LIST OF PUBLICATIONS OF PROF. DR. GUL HASSAN REFEREED IMPACT FACTOR JOURNALS

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1 LIST OF PUBLICATIONS OF PROF. DR. GUL HASSAN REFEREED IMPACT FACTOR JOURNALS 1. Hassan, G., G. W. Mueller-Warrant and S. M.Griffith Differential sensitivity of Lolium multiflorum cultivars to fenoxaprop. Weed Sci.(USA) 50(5): Baloch, M.S., G. Hassan and I.U. Awan Weeding techniques in transplanted and direct wet-seeded rice in Pakistan. Weed Biol. and Manag. Japan 5 (4): Baloch, M.S., I.U.Awan and G.Hassan Growth and yield of rice as affected by transplanting dates and seedlings per hill under high temperature of Dera Ismail Khan, Pakistan. J. Zhejiang Univ. Sci. B. 7(7): Khan, I., G. Hassan, M.I.Khan and M.Gul Effect of wild oats (Avena fatua L.) and N levels on some agronomic traits of Spring wheat (Tricticum aestivum L.). Turk J. Agric. Forestry 31: Hassan G. and H. Khan Effect of wild oats (Avena fatua L.) density on wheat yield and its components under varying nitrogen regimes. Pak. J. Bot. 39 (7): Khan, N.U., G. Hassan and M.B. Kumbhar et al Gene action of seed traits and its oil content in upland cotton (Gossypium hirsutum L.). SABRAO J. 39 (1): Khan, I.A., G. Hassan and K.B.Marwat Interaction of wild oats (Avena fatua) with wheat (Triticum aestivum) seeded at different rates. Pak. J. Bot. 40 (3): Khan, I.A.G. Hassan,K.B.Marwat and I.Daur.2008.Efficacy of some pre- and post-emergence herbicides on yield and yield components of canola. Pak.J.Bot.40 (5): Daur, I., H. Sepetoglu, K.B.Marwat, G. Hassan and I. A.Khan Effect of different levels of nitrogen on dry matter and grain yield of faba bean (Vicia faba L.). Pak. J. Bot.40(6): Khan, N.U., G. Hassan, K.B.Marwat, M.B.Kumbhar and M.Z.Khan Legacy of cotton seed traits in upland cotton using Griffing s Combining Ability Model. Pak. J. Bot. 41(1): Khan, N.U., G. Hassan and M.B. Kumbhar et al Combining ability analysis to identify suitable parents for heterosis in seed cotton yield, its components and lint % in upland cotton. Industrial Crops and Products 29 (1): Khan, N.U. G. Hassan, K.B. Marwat, Farhatullah, M.B. Kumbhar, A. Parveen, U. Aiman, M.Z. Khan and Z.A. Soomro Diallel analysis of some quantitative traits in Gossypium hirsutum L. Pak. J. Bot.41 (6): Khan, N.U., K.B. Marwat, G. Hassan, M.B. Kumbhar, Farhatullah, Z.A. Soomro, N. Khan, A. Parveen and U. Aiman Study of fiber quality traits in upland cotton using additive dominance model. Pak.J.Bot. 41 (3): Khan, N.U., G. Hassan, K.B. Marwat, S. Batool, K. Makhdoom, I. Khan, I. A. Khan and W. Ahmad Genetic variability and heritability in upland cotton. Pak. J. Bot. 41 (4): Gul, B., K.B.Marwat, G.Hassan and M.A.Khan Impact of tillage, plant population and mulches on biological yield of maize. Pak. J. Bot. 41(5):

2 2 16. Saeed, M., K.B.Marwat, G.Hassan, A.Khan and I.A.Khan Interference of Horse purslane with maize at different densities. Pak. J. Bot. 42(1): Khan,N.U., K.B. Marwat, G. Hassan, Farhatullah, S. Batool, K. Makhdoom, W. Ahmad and H.U. Khan Genetic variation and heritability for cottonseed, fiber and oil traits in G. hirsutum L. Pak. J. Bot., 42(1): Khan, I.A., G. Hassan, K.B.Marwat, I. Daur, S.M.A.Shah,N.U.Khan, S.A.Khan and Farhatullah Interaction of wild oat with divergent wheat cultivars. Pak. J. Bot. 42 (2): Batool, S. N.U. Khan, K. Makhdoom, Z.Bibi, G. Hassan, K.B.Marwat. Farhatullah, F. Mohammad, Raziuddin 1 and I. A. Khan Heritability and genetic potential of upland cotton genotypes for morpho-yield traits. Pak. J. Bot 42(2): Khan, I. G. Hassan, M.I.Khan, N.U.Khan and K.B.Marwat Agronomic and polymorphism study of wild oats (Avena fatua L.) biotypes at DNA level. Pak. J. Bot. 42(3): Hassan,G., S.Tanveer, N.U.Khan and M.Munir Integrating cultivars with reduced herbicide rates for weed management in maize. Pak. J. Bot. 42 (3): Abbas, G., G. Hassan. M.A.Ali, M.Aslam and Z.Abbas Response of wheat to different doses of ZnSo 4 under Thal Desert Environment. Pak. J. Bot. 42 (6): Khan, N.U., H.Basal and G. Hassan Cottonseed oil and yield assessment via economic heterosis and heritability in intraspecific cotton populations. African J. Biotech. 9 (44): Khan, N.U. and G. Hassan Genetic effects on morphological and yield traits in cotton (Gossypium hirsutum L.). Spanish J. Agric. Res. 9 (2): Khan, I.A., Z.Ullah, G. Hassan, K.B.Marwat and A.Jan, S.M.Shah and S.A.Khan Impact of different mulches on weed flora and yield of maize. Pak. J. Bot. 43(3): Khan, E.A., A.G.Sagoo and G. Hassan Physiological response of autumn planted sugarcane to soil moisture depletion and planting geometry on different soils under arid conditions. Pak. J. Bot. 43(4): Khan, M.I., G. Hassan, I. Khan, K.B.Marwat and N.U. Khan Tolerance of chickpea (Cicer arietinum L.) cultivars to the major chickpea herbicides. Pak. J. Bot. 43 (5): Baloch, M. J., N. U. Khan, W. A. Jatoi, G. Hassan, A.A.Khakwani, Z. A.Soomro and N.F.Veesar Drought tolerance studies through WSSI and stomata in upland cotton. Pak. J. Bot. 43 (5): Amin, A., G. Hassan, K.Marwat et al Utilization of Parthenium hysterophorus L. as a source of nutrients for maize and sorghum. Afri. J. Biotech. (Accepted for Publication) PEER REVIEWED JOURNALS/PROCEEDINGS PUBLISHED ABROAD 1 Hassan, G., and G.W.Mueller-Warrant Differential Sensitivity of Italian ryegrass and rice cultivars to fenoxaprop. Ph.D Dissertation submitted to Oregon State Univ. Corvallis, Oregon, U.S.A. 2. Khan, N.U., H.K. Abro, G. Hassan, M.B. Kumbhar and S.H. Ghaloo Combining ability analysis for morphological and yield traits in intra-gossypium hirsutum L. crosses. SAARC J.Agric.3: Hassan, G., and H. Khan GA 3 and KNO 3 break dormancy in Curly Dock (Rumex crispus) seeds under varying temperatures. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005, Ho Chi Minh City, Vietnam, pp

3 4. Hassan, G., and I. Khan Tolerance of different wild oats biotypes to different oat killers under field conditions. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005,Ho Chi Minh City, Vietnam, pp Khan, N.U., G. Hassan, K.B.Marwat and N. Khan Herbicidal effect on the weed density and grain yield of wheat under zero vs. conventional tillage regimes. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005, Ho Chi Minh City, Vietnam, pp Khan, M.A., K.B. Marwat and G. Hassan Grain yield of wheat at various seed rates under Holy thistle (Silybum marianum Gaertn.) densities. Herbologia Bosnia 6 (3): Baloch, M.S., I.U. Awan and G. Hassan Effect of establishment methods and weed management practices on some growth attributes of rice. Rice Sci. 13 (2): Khan, I.A., G. Hassan, Ihsanullah and M. N.Geverk Yield potential and allelopathic effect of some wheat cultivars on wild oats (Avena fatua). Turk. J. Field Crops 10 (1): Baloch, M.S., I.U.Awan, G. Hassan and A.A.Khakwani Effect of establishment methods and weed management practices on some growth attributes of rice. Rice Sci. 13 (2): Hassan, G., I. Khan and I.A.Khan Studies on floristic composition of chickpea weeds in District Karak, Pakistan. Iranian J. Weed Sci. 2(1): Khan, I.A. and G. Hassan Yield and yield components of wheat as affected by wild oat (Avena fatua L.) densities under irrigated conditions. Herbologia, Bosnia 7 (2): Hassan G., and H.K.Yusufzai Effect of wild oats (Avena fatua L.) density on wheat yield and its components under various nitrogen regimes. Herbologia Bosnia 7 (2): Hassan, G. and I.Khan Phytosociology of chickpea weeds in District Karak, Pakistan. Turkish J. Weed Sci. 9(1): Baloch, M.S., G. Hassan and M. Zubair Studies on plant population optimization and stand establishment techniques for increased productivity of rice. Rice Sci.China, 14 (2): Baloch, M.S., G. Hassan and M. Zubair Role of information sources, extension services and agricultural credit towards rice production in Dera Ismail Khan, Pakistan. SAARC J. Agric. 4: Khan, I. A., G. Hassan, I. Daur and B. Khattak Chemical weed control in canola. Arab J. Plant Prot. 26 (1): Khan, N.U., G. Hassan and M.B. Kumbhar et al Heterosis and Inbreeding depression and mean performance in segregating generation of upland cotton. European J. Scientific Res. 17(4): Hanif, Z.. A. Swati, I.Khan, G. Hassan, K. B. Marwat, S. Ali and M.I.Khan RAPD and SSR analysis of wild oats (Avena species) from North West Frontier Province of Pakistan. African J. Plant Sci. 2 (11):

4 4 19. Hassan, G., I. Khan and N.U. Khan Distribution of weed flora in chickpea crop in district Dera Ismail Khan, Pakistan. Herboligia 9 (2): Amin, A., M.A.Khan, G.Hassan, K.B.Marwat, H. Rashid and K.Nawab Weed control efficacy and economics of pre-emergence herbicides in maize (Zea mays L.). Asian and Australasian J. Plant Sci & Biotech. 2 (2): Hassan, G., M. A. Khan, K.B.Marwat, M. Anwar and S. Hashim Efficacy of some Forest Species Extracts on wheat and two major weeds of Arid Zone of NWFP. Japanese J. Plant Sci. 2 (2): Khan, I., G. Hassan, M.Khan and M.I. Khan Evaluation of Wild oats biotypes against different oat killers in wheat crop. Herboloiga 10(1): Khan, M.I., G. Hassan, I.Khan, M.I. Khan, M.Idrees and S.Bibi Herbicides and their doses effects on Asphodelus tenuiifolius CAV. in chickpea. Herboloiga 10(2): PEER REVIEWED JOURNALS (Non Impact Factor) PUBLISHED IN PAKISTAN 1. Hassan. G Combining ability and heterotic studies in intraspecific crosses of upland cotton (Gossypium hirsutum L.). M. Sc Hons. Agr. Thesis submitted to University of Agriculture, Faisalabad, Pakistan. 2. Hassan, G., N. H. Shah, G. Sarwar and I. U. Awan Geometrical planting studies in upland cotton under D.I.Khan conditions. Gomal Univ. J. Res. 5(1&2): Khan, M. A., M. A. Khan and G. Hassan Manifestation of heterosis and heterobeltiosis for yield and its components in a diallel cross of upland cotton. Gomal Univ. J. Res. 5(1&2): Latif, A., M. R. Khalil, G. Hassan, and G. N. Marwat Studying comparative resistance against Tryporyza spp. stem borers under D. I. Khan conditions. Gomal Univ. J. Res. 5(1&2): Khan, M. A., M. A. Khan, and G. Hassan Heterotic and heterobeltiotic studies for quality and its components in intraspecific crosses of upland cotton. Sarhad J. Agric. 2(1): Hassan, G., and M. A. Khan Heterotic and heterobeltiotic studies in intraspecific crosses of upland cotton (Gossypium hirsutum L.). Tehqique 4(2): Hassan, G., M. R. Khalil, A. Latif, and I. U. Awan Selective control of grasses and other weeds in transplanted rice. Gomal Univ. J. Res. 6(1&2): Latif, A., G. Hassan, M. Riaz, and G. N. Marwat Efficacy of granules against rice stem borers (Tryporyza spp.). Gomal Univ. J. Res.6(1&2): Khan, M. A., M. A. Khan, K. Shah, and G. Hassan Genetics of ginning and fiber characters and their graphic presentation in cotton (Gossypium hirsutum L.). Sarhad J. Agric. 3(3): Mahmood, G., S. Hassan, N. H. Shah, and G. Hassan Manifestation of heterosis in some diallel crosses of cotton. The Pak. Cottons 31(3): Mahmood. G., S. Hassan, N. H. Shah, and G. Hassan Estimation of hybrid vigour for some quality traits in an intra-hirsutum diallel cross of cotton. The Pak. Cottons 31(3): Riaz, M., A. Wadud, G. Hassan Screening of sorghum varieties for resistance to covered kernel smut. Sarhad J. Agric. 4 (2):

5 5 13. Riaz, M., A. Wadud, G. Hassan, and A. Latif Effect of different doses of herbicides on weeds in wheat. Gomal Univ. J. Res. 8 (1&2): Panialvi, A., M. S. Swati, G. Hassan, and M. J. Rehman Study of hybrid vigour for some morphological characters of spring wheat. Sarhad J. Agric. 5 (5): Panialvi, A., M. S. Swati, G. Hassan, and M. Akhtar Hybrid vigour studies in spring wheat. Sarhad J. Agric. 5 (5): Mahmood, G., G. Hassan, M. Yaqoob Genetic Studies in some intraspecific crosses of cotton (Gossypium hirsutum L). J. Pure and Appl. Sci., 8 (1): Khalil, M. R., A. Wadud, N. Khan, and G. Hassan Screening of local chickpea (Cicer arietinum L.) germplasm for resistance to Aschochyta blight. Gomal Univ. J. Res. 9 (1&2): Yaqoob, M., G. Hassan, and M. Riaz Regression and correlation analysis in cotton (Gossypium hirsutum L.). Gomal Univ. J. Res. 9 (1&2): Khalil, M. R., A. Wadud, G. Hassan, and M. Bashir Control of Powdery mildew (Erysiphe polygoni D.C) with different fungicides in Pea (Pisum sativum L.). Gomal Univ. J. Res. 9 (1&2): Shah, K., M.Ayub, and G. Hassan Graphic representation of gene action in some quantitative traits of upland cotton (Gossypium hirsutum L.). Gomal Univ. J. Res. 9(1&2): Amanullah, G. Hassan, and M. S. Swati Heterosis studies for some lodging related traits in wheat. Gomal Univ. J. Res. 10 (1): Riaz, M., N.U. Khan, M.Yunis, N.H.Shah, and G. Hassan Control of downy mildew [Pseudopernospora cubensis (Berk. & Curt) Rostow.] of melon (Cucumis melo) with different fungicides. Pak. J. Phytopath. 4(1-2): Hassan, G., G. W. Mueller-Warrant, and K.B.Marwat The Influence of Dose and Time of Application of fenoxaprop on Rice (Oryza sativa) Genotypes. Pak. J. Weed Sci. Res. 6 (1-2): Yaqoob, M., G. Mahmood, G. Hassan, N.H. Shah, and K.Shah Combining ability studies for some quality traits in cotton (Gossypium hirsutum L.). The Pak. Cottons, 37 (1): Yaqoob, M., N.H. Shah, B.Ahmad and G. Hassan Genetic variability exists in mungbean (Vigna radiata L. Wilczek). J. Pure & Applied Sci. 13 (1): Khan, N.U., G. Hassan, M.S.Swati and M.A.Khan Estimation of heterotic response for yield and yield components in a 5 x 5 diallel cross of Spring Wheat. Sarhad J. Agric. XI (4): Khan, N.U., M.S.Swati, G. Hassan, and Q.Nawaz Heterosis exhibited by some morphological traits of diallel crosses in wheat (Triticum aestivum L.). Sarhad J. Agric. XI (4): Khan, N.U., M.S.Swati, G. Hassan, and B.Ali Combining ability analysis for grain yield, flag leaf area and some other morphological characters in wheat (Triticum aestivum). Sarhad J. Agric. XI (5): Khan, N.U., G.Hassan, M.S.Swati and B.Ali Combining ability analysis for yield and yield components in spring wheat. Gomal Univ. J.Res. 15(2): Amanullah, G. Hassan and G.Hussain Effect of different nitrogen levels on the yield of two cultivars of rapeseed/mustard under D.I.Khan conditions. Sarhad J. Agric. XII (3): Amanullah, G. Hassan, G.Hussain and A.Rashid Geometrical Planting Studies in Sunflower

6 6 (Halianthus annuus L.). Sarhad J. Agric. XIII (6): Yaqoob,M., G. Hassan, G.Mahmmod and N.H.Shah.1997.Combining ability studies for some quality traits in cotton (G. hirsutum L.). J. Pure&Applied Sci.16(1): Hussain, G., Amanullah, G. Hassan and A. Rashid Response of sunflower cultivars to different nitrogen levels under D.I.Khan conditions. Sarhad J. Agric. 14 (5): Shah, R., S.Baloch, M.Z.Sulemani and G. Hassan Performance of coarse rice genotypes in the plains of D.I.Khan, Pakistan. Pak. J.Biol. Sci. 2(2): Shah, N.H., M. Jamal, G. Hassan and M. Yaqoob Effect of methods of sowing and other cultural practices on maize in Bannu. Sarhad J. Agric.15 (4): Hassan, G., G. Mahmood, N. U. Khan and A. Razzaq Combining ability and heterobeltiotic estimates in a diallel cross of cotton (Gossypium hirsutum L.). Sarhad J. Agric. 15 (6): Khan, M.A., M. Zahoor, I. Ahmad, G. Hassan, and M.S.Baloch Efficacy of different herbicides for controlling broad leaf weeds in wheat (Triticum aestivum L.). Pak. J.Biol. Sci.2(3): Hassan, G., M. Qureshi, I.U.Awan and N.H.Shah Performance of six cultivars of rice under direct wet seeded conditions. Pak. J.Biol. Sci.2(4): Khan, N.U., H. K. Abro, G. Hassan, M. B. Kumbhar and M. Khan Exploitation of heterosis can combat Cotton Leaf Curl Virus (CLCV) in cotton (Gossypium hirsutum L.). The Pak. Cottons, 43 (3&4): Khan, N.U., H. K. Abro, G. Hassan, M. B. Kumbhar and G. Mahmood Study of heterosis in upland cotton-i Quality traits. The Pak. Cottons, 43 (3&4): Hassan, G., G. Mahmood, A. Razaq, and Hayat-ullah Combining ability in inter-varietal crosses of cotton (Gossypium hirsutum L.). Sarhad J. Agric.16 (4): Ghafoor, A., S. Huda, G. Hassan, K. Waseem and M.A.Nadeem Growth response of onion (Allium cepa L.) seedlings against various durations of weed competition sown by different planting methods. Sarhad J. Agric. 16 (5): Khan, N.U., G. Hassan, H. K. Abro, M. B. Kumbhar and M. Khan Study of Heterosis in Upland cotton-ii. Morphology and yield traits. The Pak. Cottons 44 (1&2): Khan, N.U., H. K. Abro, G. Hassan, M. B. Kumbhar and A. Razzaq Leaf curl virus in American upland cotton in NWFP. Pak. J. Phytopath. 12 (2): Khan, N.U., S.U.Khan, G. Hassan and Q. Nawaz Studies on chemical weed measures in wheat (T. aestivum L.). Online Pak. J. Biol. Sci. 1 (7): Khattak, I. S., G. Hassan, I. Ahmad and M. Hassan Evaluation of some elite breeding lines of wheat under the rainfed conditions of Kohat. Sarhad J. Agric. 17 (4): Khan, N.U., G. Hassan, S.U.Khan, and Q. Nawaz Weed control studies in Gossypium hirsutum L. in D.I.Khan, NWFP. Online Pak. J. Biol. Sci. 1 (3): Khan, I.U., Z. Muhammad, G. Hassan and K.B. Marwat Efficacy of Different Herbicides for

7 controlling weeds in wheat crop.1. Response of agronomic and morphological traits in wheat variety Ghaznavi-98. Scientific Khyber 14(1): Khakwani, A.A., H. K.Ahmad, G.Hassan, M.A.Khan and F.U.Khan Evaluating economics of intercropping sunflower in spring planted sugarcane at different geometrical patters and NPK levels. Pak. J. Biol. Sci. 3 (3 Suppl.): Khakwani, A.A., H. K.Ahmad, G.Hassan, and F.U.Khan Studies on sugarcane-sunflower intercropping system at different geometrical patterns and NPK levels during autumn planting. Pak. J. Biol. Sci. 4 (10.): Marwat, K. B., G. Hassan, M.N.Khan and M. Zuber Effect of weed interference on yield and yield components of transplanted tomatoes (Lycopersicon esculentum Mill.). Pak. J. Weed Sci. Res.8 (1-2): Hashim, S., K. B.Marwat, and G. Hassan Response of wheat varieties to substituted urea herbicides. Pak. J. Weed Sci. Res.8(1-2): Khan, I., G. Hassan, and S. Hashim Efficacy of different herbicides for controlling weeds in wheat Crop. II. Weed Dynamics and herbicides. Pak. J. Weed Sci. Res. 8 (1-2): Marwat, K.B., S. Hashim, and G. Hassan Response of onions (Allium cepa L.) cultivars to weed management treatments. Pak. J. Weed Sci. Res.8 (1-2): Safiullah, S., G. Hassan, Q. A. Sahibzada and F. Khan Genotypic performance of rice in Pakhal plains of Mansehra. Sarhad J. Agric. 18 (1): Ahmad, R.D., A.J.Malik, M.A.Chang, G. Hassan and M. Subhan Heterosis studies for yield and yield components in various crosses of cotton (Gossypium hirsutum L). Asian J. Plant Sci. 1 (4): Khan, M.A., G. Hassan, W.A.Shah and M.Z.Afridi Duration effect of weed competition on the yield and yield components of wheat. Sarhad J. Agric. 18 (3): Khan, M.A.,K.B.Marwat, G.Hassan and N. Khan Impact of weed management on maize (Zea mays) planted at night. Pak. J. Weed Sci. Res.8 (1-2): Marwat, M.I., H.K.Ahmad, K.B.Marwat and G. Hassan Integrated weed management in wheat. I. Dry weed biomass, absolute growth rate and grain yield. Pak. J. Weed Sci. Res.8 (1-2): Hassan, G., Q.N.Khan, N.U.Khan and S. Khan Studies on herbicidal efficacy and spectrum of different herbicides in transplanted rice. Pak. J. Weed Sci. Res. 8 (1-2): Khan, N.U., G. Hassan, S. Khan, Q. Nawaz and A.A.Khakwani Weed management through increased planting density in transplanted rice. Pak. J. Weed Sci. Res. 8(1-2): Khan, M.A., K.B.Marwat, G. Hassan and G.A.Shah Effect of different weed free periods on the growth and yield of wheat. Pak. J.Agric. Agric.Engg. Vet. Sci. 18 (1-2): Khan, I.A., G. Hassan, N.Khan and M.A.Khan Efficacy of post-emergence herbicides for controlling weeds in canola. Asian J. Plant Sci. 2(3): Khan, N., G. Hassan, M.A. Khan and I. Khan Efficacy of different herbicides for controlling weeds in 7

8 8 wheat crop at different times of application-i. Asian J. Plant Sci. 2(3): Khan, N., G. Hassan, K.B.Marwat and M..A. Khan Efficacy of different herbicides for controlling weeds in wheat crop at different times of application-ii. Asian J. Plant Sci. 2(3): Hayat, K., I.U.Awan and G. Hassan Effect of different application times of herbicides on yield and yield components of rice in direct wet seeded rice culture. Online J. Biol. Sci. 3(1): Ahmad, R.D., A.J.Malik, A.A.Chang, G. Hassan, M. Subhan and M.U.Khan Comparison of combining ability of yield components of plain land and ridges pattern of plantation in Gossypium hirsutum L. Pak. J. Appl. Sci. 3 (6): Hassan, G., B. Faiz, K.B.Marwat and M.Khan Effects of planting methods and tank mixed herbicides on controlling grassy and braodleaf weeds and their effect on wheat cv. Fakhre-Sarhad. Pak. J.Weed Sci. Res. 9(1-2): Marwat, M.I., H. K. Ahmad, K.B.Marwat and G. Hassan Influence of varieties, row spacing and weed management on different traits of wheat. Pak. J.Weed Sci. Res. 9(1-2): Marwat, M.I., H. K. Ahmad, K.B.Marwat and G. Hassan Integrated weed management in wheat-ii. Tillers m -2, productive tillers m -2, spikelets spike -1, grains spike -1, 1000 grain weight and grain yield. Pak J. Weed Sci. Res.9(1-2): Hayat, K., I. U. Awan and G. Hassan Impact of seeding dates an varieties on weed infestation, yield and yield components of rice (Oryza sativa L.) under direct wet seeded culture. Pak J. Weed Sci. Res.9(1-2): Khan, M.H., G. Hassan, K. B.Marwat and N. H. Shah Effect of different herbicides on controlling weeds and their effect on yield and yield components of edible pea (Pisum sativum L.). Pak J. Weed Sci. Res.9(1-2): Hashim, S., K. B. Marwat and G. Hassan Chemical weed control efficiency in potato (Solanum tuberosum L.) under agro-climatic conditions of Peshawar, Pakistan. Pak J. Weed Sci. Res.9(1-2): Shah, N.H., G. Hassan, I. A. Khan and A. Azim Management of grassy and broadleaf weeds in potato in the hills of Hazara, Pakistan. Pak. J. Weed Sci. Res.9(1-2): Marwat, K.B., S. Hashim and G. Hassan Production of onion bulb yield under weed pressure in onion/rice cropping pattern of lower Swat valley, N-W Pakistan. Pak J. Weed Sci. Res.9(1-2): Hassan, G., N.U.Khan, S.Khan and H.Khan Efficacy of herbicides on weed density and grain yield of no till wheat. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Hassan, G., N.U. Khan and Q.N.Khan Effect of transplanting date on the yield and yield components of different rice cultivars under high temperatures of D.I.Khan. Scientific Khyber, 16(2): Khan, M.H., G. Hassan, N. Khan, and M. A.Khan Efficacy of different herbicides for controlling broadleaf weeds in wheat. Asian J. Plant Sci. 2 (3): Khan, I.A., G. Hassan and Ihsanullah Efficacy of pre-emergence herbicides on the yield and yield

9 9 components of canola. Asian J. Plant Sci. 2(3): Khan, I., G. Hassan, M. A.Khan and M. I. Khan Efficacy of some new herbicidal molecules on weed density and yield and yield components of wheat. Pak. J. Weed Sci. Res. 9(3&4): Khan, M. I., G. Hassan, I. A. Khan and I. Khan Studies on post-emergent chemical weed control in wheat (Triticum aestivum L.). Pak. J. Weed Sci. Res. 9(3&4): Hassan, G., N. U.Khan and H.Khan Effect of zero tillage and herbicides on the weed density and yield of chickpea under rice-based conditions of D.I.Khan.Pak. J. Weed Sci. Res. 9(3&4): Hassan, G., H.Khan, K.B.Marwat and M.A.Khan Studies on weed seed dynamics in soil seed bank of rice-based cropping system of Pakistan. Pak. J. Weed Sci. Res. 9(3&4): Khan,U.Q., M. A. Chang, A.J. Malik and G. Hassan Study of heterosis in some agronomic traits of upland cotton. Sarhad J. Agric. 19 (3): Baloch, M.S., I.U.Awan, G. Hassan, H.U.Khan and K. Abdullah Rice stem borer s moth (Tryporyza spp. Lepidoptera:Pyralidae) resting bahaviour in relation to time of nursery seeding and seedlings per hill. Asian J. Plant Sci. 3(1): Baloch, M.S.,I.U.Awan, G. Hassan, M.A.Khan and M. Z. Sulemani Quantitative Assessment of some input variables relating to rice production in Dera Ismail Khan, Pak. Pak. J. Agron. 3 (1): Khan, M. A., K.B.Marwat and G. Hassan Allelopathic potential of some multi-purpose tree species (PPTS) on wheat and some of its associated weeds. Intl. J. Biol. Biotech. 1(3): Mann, R. A., M. Ashraf and G. Hassan Wheat establishment method with zero-tillage for integrated weed management. Pak. J. Weed Sci. Res. 10(1&2): Marwat, K.B., I.A.Khan, G. Hassan, and N. U.Khan Efficacy of different pre- and post emergence herbicides for controlling weeds in chickpea. Pak. J. Weed Sci. Res. 10(1&2): Shah, N.H., G. Hassan, S.U.Rahman, N. Ahmad and F. Subhan Weed management in wheat on farmers fields of DASP command area. Pak. J. Weed Sci. Res. 10(1-2): Awan, I.U., K. Hayat, G. Hassan, M. Kazmi and N. Hussain Effect of seeding rates and herbicides on weed dynamics and paddy yield of direct wet seeded rice. Pak. J. Weed Sci. Res. 10(3-4): Hassan, G., M. Saeed and H. Khan Dormancy studies in some major weeds of rice-based cropping system of Pakistan. Pak. J. Weed Sci. Res. 10(3-4): Khan, M. I., G. Hassan, I. A. Khan and I. Khan Studies on chemical weed control in wheat (Triticum aestivum L.).Pak.J. Weed Sci. Res. 10 (3-4): Khan, I., G. Hassan, M. A.Khan and M. I. Khan Efficacy of some new herbicides on both grassy and broadleaf weeds in wheat-ii. Pak.J. Weed Sci. Res. 10(1-2) Hassan, G. I. Khan, H. Khan and M. Munir Effect of different herbicides on weed density and some agronomic traits of wheat. Pak. J. Weed Sci. Res. 11 (1-2): Khan, M., N. H. Shah, G. Hassan, Habibullah and N. Ahmad An approach to find effective and

10 economical strategy for controlling weeds in wheat in NWFP. Pak. J. Weed Sci. Res.11 (1-2): Hassan, G., Z. Hanif, Mehboob-ul-Latif, M. I.Khan and S. Ali Tolerance of Avena fatua and Phalaris minor to some graminicides. Pak. J. Weed Sci. Res. 11 (1-2): Khan, M.A., K.B. Marwat and G. Hassan Wheat yield components reduction due to seed rate and holy thistle (Silybum marianum Gaertn.) density. Pak. J. Weed Sci. Res. 11(3-4): Khan, M.A., K.B. Marwat, G. Hassan and Z. Hussain Bioherbicidal effects of tree extracts on seed germination and growth of crops and weeds. Pak. J. Weed Sci. Res. 11(3-4): Hassan, G., H. Khan, I. Khan and M. G. Rabbani Quantification of tolerance of different wild oats (Avena fatua L.) biotypes to clodinafop-propargyl and fenoxaprop-p-ethyl. Pak. J. Weed Sci. Res. 11(3-4): Bibi, S., K.B. Marwat, G. Hassan and B. A. Khan Integrated weed management through herbicides and different seed rates in wheat-i. Pak. J. Weed Sci. Res. 11(3-4): Bibi, S., K.B. Marwat, G. Hassan and B. A. Khan Integrated weed management through herbicides and seeding densities in wheat-ii. Pak. J. Weed Sci. Res. 11(3-4): Ahmad, R. A. J. Malik, G.Hassan and M. Subhan Estimation of combining ability for seed cotton yield and its components in intra-varietal crosses of cotton. Gomal Univ. J. Res. 21: Ahmad, R. A. J. Malik, G.Hassan and M.Umar Genetic architecture of some quantitative traits of cotton. Gomal Univ. J. Res. 21: Khan, I. G. Hassan, M. Idrees and M. I. Khan Survey of some weeds from district Karak, Pakistan. Pak. J. Pl. Sci. 11 (1): Ahmad, S., A. Ali, S. Bibi, K.B.Marwat, and G. Hassan Ethnobotanical study of some medicinal plants of Ouch district Lower Dir, Pakistan. Pak. J. Pl. Sci. 12 (3): Shah, N. H. and G. Hassan Effect of seed size and depth of sowing on two cultivars of wheat. Gomal Univ. J. Res. 22 (1): Hassan, G., N.U.Khan and M. Munir Efficacy of herbicides on weed density and grain yield of no till wheat. Intl. J. Biol. Biotech. 3(1): Hassan, G., I. Khan and A. Rauf Survey of divergent weed flora of chickpea in District Karak, NWFP. Sarhad J. Agric. 22 (3): Khan, I.A. and G. Hassan Effect of wild oats (Avena fatua) densities and proportions on yield and yield components of wheat. Pak. J. Weed Sci. Res. 12 (1-2): Shahid, M., B. Ahmad, R.A.Khattak, G. Hassan and H. Khan Response of wheat and its weeds to different allelopathic plant water extracts. Pak. J. Weed Sci. Res. 12 (1-2): Khan, I.A., G. Hassan, K.B.Marwat and M. Khan Interspecific Competition of Tall and Dwarf Wheat Cultivars with Wild Oats (Avena fatua L.). Pak. J. Weed Sci. Res. 12 (3): Shah, R.U., G. Hassan, A. Rehman and I. Ahmed Ethnobotanical Studies of the Flora of District Musakhel and Barkhan in Balochistan, Pakistan. Pak. J. Weed Sci. Res. 12 (3):

11 114. Hassan, G., S. Tanveer and M. Munir Studies on GA 3 and KNO 3 in two Biotypes of Asphodelus tenuifolius Cav. Collected from Karak and Mianwali, Pakistan. Pak. J. Weed Sci. Res. 12 (3): Khan, I., G. Hassan and M. I. Khan Tolerance of wild oats biotypes to different oat killers and their impact on some agronomic and physiological traits of wheat. Pak. J. Weed Sci. Res. 12 (4): Hassan, G., I. Khan and M.R. Khalil Efficacy of different herbicides for controlling noxious weed in chickpea in District Karak. Pak. J. Weed Sci. Res. 12 (4): Khan, I., G. Hassan, M. I. Khan and N.H.Shah Germination of Asphodelus tenuifolius biotypes as influenced by temperature, dormancy breaking chemicals and their concentrations. Pak. J. Weed Sci. Res. 12 (4): Shah, N.H., Inamullah, G. Hassan and F.U.Khan Role of Intensive management of wheat in NWFP, Pakistan. Asian J. Plant Sci. 5 (2): Noshin, Iqbal, M.M., M.B.Kumbhar, G. Hassan, and R.Ahmad Combining ability analysis for yield and its components in brown mustard. Sarhad J. Agric. 23 (3): Hassan, G. and I. Khan Post emergence herbicidal control of Asphodelus tenuifolius in desi chickpea, Cicer arietinum L. at Lakki Marwat, Pakistan. Pak. J. Weed Sci. Res. 13 (1-2): Hassan, G. and I. Khan Appraisal of different wild oats (Avena fatua L.) biotypes collected from Pakistan from their growth and development. Pak. J. Weed Sci. Res. 13(1-2): Abdullah, G. Hassan, I. A. Khan and M. Munir Effect of Planting Methods and Herbicides on Yield and Yield Components of Maize. Pak. J. Weed Sci. Res. 13(1-2): Mann, R.A., S. Ahmad, G. Hassan and M.S.Baloch Weed management in direct seeded rice crop. Pak. J. Weed Sci. Res. 13 (3-4): Khan, I., G. Hassan, M.I.Khan Growth analysis of different biotypes of wild oats collected across North West Frontier Province-Pakistan. Sarhad J. Agric. 24 (1): Khan, I. G. Hassan and M.I.Khan Effect of interaction between different herbicides and oat genotypes on grain yield and yield components of wheat. Sarhad J. Agric. 24 (1): Khan, M.I., G. Hassan and I. Khan Effect of herbicide doses on fresh and dry biomass of different biotypes of Asphodelus tenuifolius at various growth stages. Sarhad J. Agric. 24 (1): Khan, I.A., G.Hassan, I. Daur and Abdullah Competition of wild oats (Avena fatua) with different wheat cultivars. Sarhad J. Agric. 24 (1): Hassan, G. I. Khan, S. Bibi and N.H.Shah To investigate the efficacy of different herbicides alone or in mixture for controlling weeds in wheat-1. Pak. J. Plant Sci. 14(1): Hassan, G., I.Khan, M.A.Khan, N.H.Shah, M.Khan and M.Liaaqatullah Weed flora of chickpea in District Lakki Marwat, NWFP. Sarhad J. Agric. 26(1): Abbas, G., G. Hassan, M. Aslam, I.Hussain, U. Saeed, Z. Abbas and K.Ullah Cotton response to multiple application of growth inhibitor (mepiquat chloride). Pak. J. Agric. Sci.. 47(3):

12 131. Khalil, M.F., G. Hassan, Z. Hussain, N.H. Shah and M.M. Khan Effect of individual and tank mixed herbicides on yield of wheat crop. Pak. J. Weed Sci. Res. 16(1): Khan, M.I., G. Hassan and I.Khan Herbicides and their doses effects on wild onion (Asphodelus tenuifolius Cav.) in chickpea. Pak. J. Weed Sci. Res. 16(3): Khan, M.I., G. Hassan, I. Khan and K.B.Marwat Testing of herbicides at various doses on the growth stages of wild onion grown in pots. Sarhad J. Agric. 27 (1): Ali, H., S. Ahmad, G. Hassan, A. Amin and M. Naeem Efficacy of different botanicals against red pumpkin Beetle (Aulacophora foveicollis) in bitter gourd (Momordica charantia L.). Pak. J. Weed Sci. Res. 17 (1): Ali, H., S. Ahmad, G. Hassan, A. Amin, Z. Hussain and M. Naeem Bioefficacy of different plant extracts against melon fruit fly in bitter gourd. Pak. J. Weed Sci. Res. 17 (2): BOOKS CONTRIBUTED/EDITED 1. Mueller-Warrant, G. W. and G. Hassan Varietal response to fenoxaprop in Italian Ryegrass. Pages 2-4 in Youngberg, H. W., and J. Burcham (ed.). Seed Production Research at Oregon State University, Corvallis Oregon, U. S. A. 2. Hassan, G. and K. B. Marwat Integrated Weed Management in Agricultural crops. Proc. National Workshop on Technologies for Sustainable Agriculture, Sep.24-26, 2001 NIAB, Faisalabad, Pakistan, pp (ISBN ). 3. Hassan G. and K.B.Marwat Editor First International Weed Science Conference Abstracts held at NWFP Agricultural University Peshawar Oct , Hassan G. and K.B.Marwat et al Editor 6 th National International Weed Science Conference Abstracts held at NWFP Agricultural University Peshawar, March 28-30, Hassan G. and K.B.Marwat et al Editor Second International Weed Science Conference held at the University of Arid Agriculture, Rawalpindi March, Hassan, G. et al Editor 8 th National Weed Science Conference, held at GCU, Lahore June 20-22, Edited Hassan, G. et al Editor 22nd Asian Pacific Weed Science Conference, held at GCU, Lahore March 20-22, PAPERS PRESENTED IN INTERNATIONAL CONFERENCES 1. Hassan, G. and G. W. Mueller-Warrant Tolerance of Italian Ryegrass to fenoxaprop Research Progress Report Western Society of Weed Sci. pp Hassan, G. and G. W. Mueller-Warrant Tolerance of Italian Ryegrass cultivars to fenoxaprop applied at different growth stages Research Progress Report Western Soc. Weed Sci. pp Hassan, G., G. W. Mueller-Warrant and S. M.Griffith Fenoxaprop tolerance among Italian yegrass cultivars is due in part to differences in ACCase. Proc Western Soc. Weed Sci., Annual Meetings, Salt Lake City, Utah, USA 45: Khan, N., S.Khan and G. Hassan Performance of fine rice germplasm under diffusive high temperatures of D.I.Khan conditions. In R. Anwar, J. Takahashi, M.S.Bhatti and S. Masood (eds.). Proc. Sustainable Utilization of Genetic Resources for Agricultural Production. Joint PGRI, PARC Islamabad and JICA Aftercare Technical Cooperation Project, Dec , NARC, Islamabad, pp Marwat, K. B. and G. Hassan Weeds study in onion/rice cropping pattern of the lower Swat Valley, N.W-Pakistan. Proc. Asian-Pacific Weed Sci. Soc. Annual Meetings, Manila, Philippines. 6. Hassan, G. and H.Khan GA 3 and KNO 3 break dormancy in wild oats (Avena fatua L.) seeds under varying temperature regimes. XVTH Inter. Plant Prot. Congress, Beijing, China May 11-16, 2004 (Abstract) 7. Hassan, G. and H. Khan Dormancy studies in seeds of some major weeds of rice-based cropping system of Pakistan. XVTH Inter. Plant Prot. Congress, Beijing, China May 11-16, 2004 (Abstract). 12

13 8. Khan, I., G. Hassan, M.I.Khan, I.A.Khan and M.Gul Efficacy of some new herbicidal molecules on both grassy and broadleaf weeds in wheat. XVTH Inter. Plant Prot. Congress, Beijing, China May 11-16, 2004 (Abstract). 9. Khan, M.I., G. Hassan, I.A.Khan, I. Khan and M.Gul Study on post-emergent chemical weed control in wheat (Triticum aestivum L.). XVTH Inter. Plant Prot. Congress, Beijing, China May 11-16, 2004 (Abstract). 8. Hassan, G., H.Khan, K.B.Mawat and M.A.Khan Dormancy breaking of wild oats seeds under varying temperatures, GA 3 and KNO 3 levels. 4 th International Weed Science Congress, Durban, South Africa June 20-24, Khan, M. A., G. Hassan and K.B.Marwat Allelopathic potential of some multi-purpose tree species (mpts) on wheat and some of its associated weeds. Presented in 4 th International Weed Science Congress, Durban, South Africa, June 20-24, Khan, I., G. Hassan, I.A.Khan and M.I.Khan Efficacy of some new herbicidal molecules on weeds and yield components of wheat. 4 th International Weed Science Congress, Durban, South Africa, June 20-24, Khan, N.U., S. Khan and G. Hassan Herbicide effect on weed flora and grain yield of zero vs. conventional tillage wheat. 4 th International Weed Science Congress, Durban, South Africa, June 23-26, Marwat, K.B., M.I.Marwat and G.Hassan Effect of row spacing and herbicides on wheat. Presented in 4 th International Weed Science Congress, Durban, South Africa from June 23-26, Khan, N.U., H.K.Abro, G. Hassan, M.B.Kumbhar and M.R.Khalil Cotton leaf curl virus resistance and its incidence in intra-hirsutum hybrids. Accepted for presentation in V Congress of Plant Protection, Ziatibor, Serbia, November 2004 (Abstract). 14. Khan, I., G. Hassan, M. A.Khan and M. I. Khan Efficacy of some new herbicides on both grassy and broadleaf weeds in wheat-ii at Peshawar, Pakistan. 9 th Weed Sci. Congress in Wagga Wagga, Australia March 16-19, (Abstract) 15. Hassan, G., and G.W. Mueller-Warrant Response of rice genotypes to rate and time of application of fenoxaprop. Proc. First Intl. Seminar on Rice. Rice Research Institute, Kala Shah Kaku, Lahore, Oct. 2-3, 2005, pp Khakwani, A.A., M. Zuber, Nasiruudin, G. Hassan and I.U.Awan Transplanting dates, a serious limiting factor in rice productivity in NWFP. First Intl. Seminar on Rice. Rice Research Institute, Kala Shah Kaku, Lahore, Oct. 2-3, 2005, pp Hassan, G., and H. Khan GA 3 and KNO 3 break dormancy in Curly Dock (Rumex crispus) seeds under varying temperatures. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005, Ho Chi Minh City, Vietnam, pp Hassan, G., and I. Khan Tolerance of different wild oats biotypes to different oat killers under field conditions. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005, Ho Chi Minh City, Vietnam, pp Khan, N.U., G. Hassan, K.B.Marwat and N. Khan Herbicidal effect on the weed density and grain yield of wheat under zero vs. conventional tillage regimes. Proc. 20 th Asian-Pacific Weed Sci. Soc. Conf November 2005, Ho Chi Minh City, Vietnam, pp

14 M.A. Khan, K.B. Marwat, H. Khan and G. Hassan Impact of herbicides on some agronomic and chemical characteristics of flue-cured Virginia (FCV) tobacco. 23 th Asian Pacific Weed Science Conference, November 9-11, 2005, HCM, Vietnam. 21. Khan, I. G.Hassan and M.I.Khan Tolerance of different wild oats biotypes to different oat killers and their impact on some morphological and physiological parameters of wheat. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Shahid, M., B. Ahmad, R. A. Khattak, G.Hassan and H. Khan Response of wheat and its weeds to different allelopathic plant water extracts. Second Intl. Weed Sci. Conf. University of Arid Agric. Rawalpindi March 20-22, Khan, M.I., G. Hassan and I. Khan Diagnostic study of Broomerape (Orobanche sp.) in District Lakki Marwat, NWFP. Second Intl. Weed Sci. Conf. University of Arid Agric. Rawalpindi March 20-22, Khan, I. A. G.Hassan and M. Khan Interspecific competition of tall and dwarf wheat cultivars with wild oats (Avena fatua L.). Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Khan, N., G. Hassan, N.U.Khan and S.U.Khan Allelopathic effect of some herbaceous and woody species on wheat and its worst weeds. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Khan, I. A. and G.Hassan Effect of wild oats densities and proportions on yield and yield components of wheat. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Hassan, G., S. Bibi, N.U.Khan and I.Khan To investigate the efficacy of different herbicides alone or in mixtures for controlling weeds in wheat crop. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Khan, I., G.Hassan and M.I.Khan Distribution and control of Broomrape in district Karak. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Yaqoob, M. and G. Hassan Study of chickpea weed flora in different soil types and cropping patterns in NWFP. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Khan, M.A., K.B.Marwat, G. Hassan and S. Hashim Allelopathy: problems and opportunities a review. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Hassan, G. and I.Khan Efficacy of different herbicides for controlling noxious weeds in District Karak. Second Intl. Weed Sci. Conf. University of Arid Agric. Rawalpindi March 20-22, Hassan G., I. Khan, A. Amin and Haroon-ur-Rashid Efficacy of pre and post emergent herbicides to control worst weeds Lathyrus aphaca and L. sativus in Cicer arietinum in Dera Ismail Khan. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Hassan, G. and S. Tanveer Dormancy breaking studies by GA 3 and KNO 3 in two biotypes of Asphodelus tenuifolius collected from the NWFP and Punjab-Pakistan. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22,2006.

15 Hassan, G. and S. Bibi Studies on dormancy breaking by GA 3 and KNO 3 in two biotypes of Asphodelus tenuifolius runs and chemical effect. Second Intl. Weed Sci. Con. University of Arid Agric. Rawalpindi March 20-22, Hassan, G., and I. Khan Diagnostic Study of Noxious Weeds In Chickpea Crop in District Dera Ismail Khan, NWFP during Weeds Across Borders. Conf. held at Hermosillo, Sonora Mexico May 25-28, 2006 (Abstract). 36. Khan, M.I., G. Hassan, S. Bibi and I.Khan Germination of Asphodelus tenuifolius biotypes as influenced by temperature, dormancy breaking chemicals and their concentrations. Proc. Weeds Across Borders. Conf. held at Hermosillo, Sonora Mexico May 25-28, 2006 (Abstract). 37. Khan, I. and G. Hassan Asphodelus tenufolius- A Predominant Invasive Weed of chickpea In District Lakki Marwat, Pakistan. Proc. Weeds Across Borders. Conf. held at Hermosillo, Sonora, Mexico May 25-28, 2006 (Abstract). 38. Hassan, G., I. A.Khan and S.Bibi Wheat-Wild Oats Interactions at varying densities and proportions. Conf. held at Hermosillo, Sonora, Mexico May 25-28, 2006 (Abstract). 39. Khan, I. G. Hassan and M.I.Khan Tolerance of different wild oats biotypes to different oat killers and their impact on some morphological and physiological parameters of wheat. Proc.Young Researchers Conf. on Applied Sci June Darul Ehsan, Malaysia, pp Khan, G.Hassan, S. Bibi and I.Khan Germination of Asphodelus tenuifolius Biotypes as Influenced by temperature and Dormancy Breaking Chemicals. 17th Iranian Plant Prot. Congress Tehran, Iran 2-5 September, Hassan, G., I. A.Khan and N.U.Khan The Efficacy of Pre and Post Emergence Herbicides in the Control of Lathyrus aphaca and L. sativus in Cicer arietinum in Dera Ismail Khan, Pakistan. 17th Iranian Plant Prot. Congress Tehran, Iran 2-5 September, Khan, I.A. and G. Hassan Effect of wild oat (Avena fatua ) population and nitrogen levels on some agronomic and physiological traits of wheat. 17th Iranian Plant Prot. Congress Tehran, Iran 2-5 September, Hassan, G. and I. A.Khan Effect of wild oats (Avena fatua) densities on yield and yield components of wheat under irrigated conditions of Peshawar. Intl. Conf. on Agric., Food and Biol. Engg. and Post Harvest/Production Tech. Khon Kaen, Thailand, Jan., Hassan, G., M.A.Khan and K.B. Marwat Efficacy of some multipurpose tree species (MPTS) extracts on wheat and some of its weeds. 4 th Asia Pacific Chemical Ecology Conf. Sep , Tskuba, Japan. 45. Khan, I., Hassan, G. and M.I.Khan and M. Gul Effect of different allelopathic extracts on weeds and wheat crop. 4 th Asia Pacific Chemical Ecology Conf. Sep , Tskuba, Japan. 46. Khan, G. Hassan and M.I.Khan Effect of different allopathic extracts on weeds and wheat. Proc.21 st Asian Pacific weed science society, 2-6 October 2007, Colombo- Sri Lanka pp Shahid, M., B. Ahmad, R.A.Khattak and G. Hassan Integrated effects of alleopahty and synthetic herbicides on wheat and its weeds in Peshawar. Proc. 21 st Asian Pacific Weed Science Society, 2-6 October 2007, Colombo- Sri Lanka pp PAPERS PRESENTED IN NATIONAL CONFERENCES

16 16 1. Hassan, G., N.U. Khan and Q. Nawaz Efficacy of pre and post emergence herbicides in upland cotton (Gossypium hirsutum L.) under D.I.Khan conditions. First Conf. Crop Protection Assoc. of Pak., held at Peshawar from April, 1996 (Abstract). 2. Khan, N.U., H. K. Abro, M. B. Kumbhar and G. Hassan Response of upland cotton genotypes to Leaf curl virus (CLCV). 3rd National Conf. of Plant Path., Pak. Phypath. Soc., Islamabad, October 1-3, Khan, N., S.Khan and G. Hassan Performance of fine rice germplasm under diffusive high temperatures of D.I.Khan conditions. In R. Anwar, J. Takahashi, M.S.Bhatti and S. Masood (eds.). Sustainable Utilization of Genetic Resources for Agricultural Production. Joint PGRI, PARC Islamabad and JICA Aftercare Technical Cooperation Project, February, Hassan, G., N.U.Khan, S.Khan and H.Khan Efficacy of herbicides on weed density and grain yield of no till wheat. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Hassan, G., N.U.Khan, and H.Khan Effect of zero tillage and herbicides on the weed density and yield of chickpea. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Hassan, G., H. Khan, K.B.Marwat and M. Azim Khan Studies on weed seed dynamics in soil seed bank of rice-based cropping system of Pakistan. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Khan, M. I.,, G. Hassan, I. A. Khan and I. Khan Studies on post-emergent chemical weed control in wheat (Triticum aestivum L.). Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Khan, I., G. Hassan, M. I. Khan and M. A.Khan Efficacy of some new herbicidal molecules on weeds and yield and yield components of wheat. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Khan, I.A., K.B.Marwat, G. Hassan and N.U.Khan Efficacy of different pre-emergence and post-emergence herbicides for controlling weeds in chickpea. Paper presented in First Inter. Weed Sci. Conf. held at NWFP Agricultural Univ., Pesh. Oct , Shah, N.H. and G. Hassan Role of intensive management of wheat in poverty alleviation of NWFP, Pakistan. Paper Presented in Intern. Conf. on Sustainable Agricultural Dev. & Productivity sponsored by Agro-Asia 2003, held at Lahore on Oct. 7-8, Shah, N. H., Nasiruddin and G. Hassan Weed management in wheat on farmers fields of DASP command area. Paper Presented in Fist Intern. Weed Sci. Conf. held at NWFP Agricultural University Peshawar on October 23-26, Khan,N. U., H.K. Abro, M.B. Kumbhar and G. Hassan Performance and CLCV incidence in F 1 and 2 cotton hybrids and its relation with other segregating generations. 1 st National Conference on agricultural and Animal Sciences at Sindh Agriculture University Tando Jam, November, 2004 Abstract). 13. Hassan, G., I. Khan and H. Khan Effect of different herbicides on weed density and different parameters of wheat crop. Paper Presented in 6 th National Weed Sci. Conf. held at NWFP Agricultural University Peshawar on March 28-30, 2005.