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1 ﻣﺠﻠﻪ ١٣٨٦ ﭘﺎﺋﻴﺰ ٣ ﺟﻠﺪ ﻧﻬﻢ ﺑﺮ Sesamum indicum L Effect of different levels of plant density and nitrogen fertilizer on grain and its yeild components and some quality traits in two sesame Sesamum indicum L cultivars ۲ ۱ ﻴ ۱۳۸۶ ﺑﺎﺑﺎﻳﻲ ﺑﺮ ۲۳۷-۲۴۵ :۳ ۹ ﻲ ﻳ ﻲ Sesamum indicum L ﻛﻨﺠﺪ ﺰ ۱۳۸۱ ﻲ ﺑﻮﺗـﻪ ۴۱/۶ ۳۳/۰ ۲۰/۸ ۱۶/۶ ﻓﺮﻋﻲ - ﻓﺮﻋﻲ Sesamum indicum L ۱۲۰ ۶۰ ﺻﻔﺮ ١٤- ﻓﺮﻋﻲ ﺗﺎ ۱۴- ﻴ ﻣﺘﻘﺎﺑﻞ ۶۰ r= -086** ﻧﻪ ﻫﻤﺒﺴﺘﮕﻲ ﻣﻨﻔﻲ ﻛﻪ ﻲ ۲۱۶۴ ﻨﻔﻲ r= -031 ۴۱/۶ * ﻧﻴﺰ ﻫﻤﺒﺴﺘﮕﻲ ﻣﺜﺒـﺖ ﭘ ﻴﻴ r= 023 ١٤- ﺑﻴﺸﺘﺮ ﻧﻴ ﻛﺸﺖ : ١٣٨٦/٢/٢٢ : 237-١ -٢

2 ﻣﺠﻠﻪ ٣ ﭘﺎﺋﻴﺰ ١٣٨٦ ﺟﻠﺪ ﻧﻬﻢ ﻣﻘﺪﻣﻪ Kamel et al, 1983 ﻣﻨﺎﻃﻖ ۲ ﺗـﺎ ۱۲ ﻣــﺜﻼ ۱۳۶۶ ۱۵۰ ﻫﻤﻴﻦ ﻣﻄﺎﻟﻌﻪ ۱۳۷۸ ۱۵ ۶۰ ﺳـﺎﻧﺘﻲ ﻏـﻦ ﻛﻨﺠـﺪ ۲۵ ﺑﻮﺗــﻪ ﺳـﻴﻦ ۱۴- al, ۳۶ ۶۰ ۳۰ ۲۰۰ ﺗـﺎ Adebisi ﺿـﻤﻦ ۱۲۰ ۶۰ ﻧﻴ et al, 1995 Chungarol ۳۵ ۶۰ ﻣﺨﺘﻠـﻒ 238 ۳۵ ۴۱ Balasubramaniyan ﺑــﺎﻻﺗﺮﻳﻦ ﻋﻤﻠ Dilip et al, 1991 Bennet et al, 1996 ۳۳ ﺑـﻪ ۸ ۳۳/۳ Sinharoy Ramakrishnan et al, 1996 ۶۰ ۱۰ ﺳـﺎﻧﺘﻲﻣﺘـﺮ ۳۳/۳ ۲۲/۲ ۱۶/۶ Sing et al, 1992 Bakhshandeh and Rahnema, 2006 et ۹۰ et al, 1990 ۳۷/۵ ۱۰ ﺳــﺎﻧﺘﻲﻣﺘــﺮ ﺑــﻪ ۱۶۶۶۶۷ ۹۰ ۹۰ ۶۰ ﺷـﺖ ﺻـﺎﻟﺤﻲ et al, 2005 ﻣﻄﺎﻟﻌــﻪ ﺮﺑـﻊ ۱۳۸۴ ﻣﻄﻠﺒﻲ ﺣﺴﻴﻨﻲ ۱۳۷۵ ۱۳۸۴ ۱۰ ﺗﺎ ۲۵ ﻛﺸﺖ ۷۵ ۶۰ ۵۰ ﺳﺎﻧﺘﻲ ﺑﺎﺷـﺪ Bennet et al, 1996 ۱۳۷۶ 1991 ﭘﺎﻳﻴﻦ ۵۲ ﺣﺎﺻــﻞ ﺷــﺪ ۲۵۰ ﻛﻨﺠﺪ ﻣﻌﻤﻮﻻ ﺑﻪ ۱۵ ﺗﺎ ۵۲ ﺑﻮﺗﻪ ﻛﻨﺠﺪ ﺗﻐﻴﻴ ـﺮ ﻣ ـﻲ ۵۰

3 ۱۳۸۱ Phyllody ﻦ ﺗﺤﻘﻴــﻖ Fusarium oxysprum F sp Sesame ﻋﻠﻒ ۵۲ ۱۶۰۹ ﺳـﺎﻧﺘﻲ ۲۵ ﻫـﺎ ﺑـﻪ ﺳـﻪ ﺑﻮﺗﻪ ﻫﺎ ﭘﺨﺶ ﺷﺪ ﻫـﺎ ﻮﻛﺴــﻠﻪ ﻣﻄﻠﺒـﻲ ۱۳۷۶-۲/۵ ﻫــﺎ ﺷﺪﻧﺪ ﺑﻪ ١٤ ﺷﻴﻤﻴﺎﻳﻲ ﻓﺴﻔﺮ ﻣﻴﻠﻲ ﻴﺪﻳﺘﻪ ﺑﺎﻓﺖ ﻛﻴﻠﻮ ۱۲۰ ﮔﺮﻓﺘــﻪ ﺷــﺪﻧﺪ ۱۳۸۰ ﺳﺎﻧﺘﻲﻣ ۴۰ ٦ ۴۰ ۱۲ ۵۰ ۶ ۵۰ ﻳ ۱ ﻴ -۱ Table 1 Soil physico-chemical properties of experimental site Organic matter % N % P mg/kg ph Texture Soil order ﻫﺎ ﺗﻨﻚ ﺷﺪﻧﺪ ۱۳۶۴ ﻫﺎﺷﻤﻲﺗﻨﻜﺎﺑﻨﻲ MSTATc ﭼﻨــﺪ ﺷــﺎﺧﻪ ﻧﺴــﺒﺘﺎ ﺷﺪﻧﺪ ۱۳۷۳ ﺣﺴــﻴﻨﻲ - ۱۲ ۳۵ ۴۱/۶ ۳۳/۰ ۲۰/۸ ۱۶/۶ ﺳﻄﺢ ۶۰ ﺻﻔﺮ ﺑﻪ ﻣﺴﺎﺣﺖ ﺳﻪ ﻣﺘﺮ ﺳﻪ ﻲ ۷ ۷۵ ﺳــﺎﻧﺘﻲ ۲۰ ۳۰ ۴۶ Clayloam Ramjerd fine mixed, mesic, Typic Calcixperpts 239 ﺳﺎﻧﺘﻲ ۱/۵

4 ﻣﺠﻠﻪ ۲ ﻫﺎ ﻣﻲ ۱۳۸۴ ﻣﻄﻠﺒﻲ ﻫـﺎ ﺗـﺎ ۱۴-۴۱/۶ ﺣﺴــﻴﻨﻲ ۱۳۷۵ Ramakrishnan et al, 1996 ﻣـﻲﺑﺎﺷــﺪ ﺑﺎﺷــﺪ ۲ ۴/۰ ۱۲۰ ﻛﺸﺖ ﻧﺘـﺎﻳﺞ ۴۱/۶ ۲۰/۸ ۱۶/۶ ۲ ﺑﺎﻻﺗﺮﻳﻦ ٣٣ ﻧﻴ ﻧﻴــﺰ ﻛــﺎﻫﺶ ﻣــﻲﻳﺎﺑــﺪ ﻧﻬﺎﻳــﺖ Adebisi et al, 2005 ﺷﺎﺧﻪ ۴۱/۶ ۱۳۷۶ ۱۳۸۴ et al, 1983 Kamel ﺳـﺎﻛﻲﺣﺴــﻴﻨﻲ ۲ ﺑﺎ ﻳﺶ ﻳ ۶۰ ﺑﻪ ۱۲۰ ﺑﺎ ﭘــ 240 Singl ۱۴- ﺗﻐﻴﻴﺮ ﻣﻌﻨﻲ ۱۶/۶ ۶۰ ۱۳۷۵ Bennet et al, 1996 et al, 1996 ﺑﻴﻦ ﺑﻮﺗﻪ ۱۶/۶ ۱۳۸۴ Dillip et al, 1991 ۱۳۷۶ ﻧ ﻛﻨﺠﺪ ﺷﺎﻳﺪ ﺑﻬﺘﺮ ﺑﺎﺷﺪ ﻛﻨﺠﺪ ﻧﻴ ﻫـﺎ ۱۳۸۰ ۱۳۷۹ ١٤- ﺟﻠﺪ ﻧﻬﻢ ۱۲۰ ﮔﻲ ﻛﻪ ﺑﺎ ﻧﺘﺎﻳﺞ ﭘ ٣ ﭘﺎﺋﻴﺰ ١٣٨٦

5 ﺑﺮ -۲ Table 2 Effect of levels of plant density and nitrogen fertilizer on grain yield, yield components and some quality traits in two sesame cultivars Days to maturity Treatment Capsuls per plant ﻋﻤﻠﻜﺮ 1000-grain weight g 1182a 1185a 1191a 1195a Plant density plant m2 769a 37a 1084c 736a 36ab 1447b 583b 36ab 1700b 527b 35b 2001a c 1187b 1207a Nitrogen fertilizer kg ha-1 403c 36a 700b 36a 860a 37a Local Zarghan 1209a 1168a 638b 678a Harvest index % Grain yield kg/ha 1382b 1594ab 1698a Oil content % Protein content % 336a 259a 264a 261a 538a 551a 569a 543a 230b 239ab 246ab 257a 250a 257a 257a 561a 552a 538a 232b 243ab 253a 247a 263a 556a 544a 242a 244a Cultivar 35a 37a 1542a 1573a %۵ ﻣﻴﺎﻧﮕﻴﻦﻫﺎ Means, in each column and treatment, followed by similar letters are not significantly different at 5% probability level- using Duncan's Multiple Range Test ۶۰ ۳۳ ﺎﺑـﻞ ﻲ ۱۳۷۶ ﻧﺘـﺎﻳﺞ ﺳـﺎﻳﺮ ۱۳۷۶ ۲ ﺟ ﻣﺘﻘﺎﺑـﻞ ۲۱۶۴ ﻛﺎﻫﺶ ﺑ ـﻪ ١٤- ﻣﻼﺣﻈﻪ ﺑــﺮ ۴۱/۶ ۳ ۶۰ ۱۳۷۹ Gosh and Patra, 1993 ﻴـــ ـ ۱۳۸۴ ﻣﺤﻘﻘـــ ـﻴﻦ ﺷــﺎﺧﺺ ﻳ ﻫﺎ ﻣﻌﻨﻲ Weise, 2000 Adebisi et al, 2005 ﻳﺎﺑﺪ ﻫـ 241 ۲

6 ١٣٨٦ ﭘﺎﺋﻴﺰ ٣ ﺟﻠﺪ ﻧﻬﻢ ﻣﺠﻠﻪ -۳ Table 3 Interaction of plant density nitrogen fertilizer cultivar on grain yield of two sesame cultivars ﮔ ﻴ Plants density Plant m2 ﻛﻴﻠﻮﮔ Nitrogen kg ha k 1318fj 1200jk 870jk 979jk 1309fk Cultivar 166 Local Zarghan 208 Local Zarghan 1104ijk 1272gk 1477ei 1488di 1629bh 1714ag 330 Local Zarghan 1507ci 1513bi 1519bi 1912ae 1957ac 1912ae 416 Local Zarghan 1995abc 2164a 1981abc 1968ad 1892ae 2002ab %۵ ﻦ ﺗﻴ ﻣﻴﺎﻧﮕﻴﻦﻫﺎ Means, in each column and treatment, followed by similar letters are not significantly different at 5% probability level- using Duncan's Multiple Range Test -۴ Table 4 Correlation coefficients between yield and its components and some quality traits in sesame ﺷﺎﺧﺺ Grain yield 006ns -013 ns -031* 023 ns 018 s Capsuls per plant 1000-grain weight Harvest index Oil content Grain protein Capsuls per plant 1000-grain weight -014 ns -003 ns -016 ns 010 ns 019 ns 015 ns -015 ns ۴ Weise, ۱۳۷۹ ١٤- -086** * ** ﺑﻪ ﺗﺮﺗﻴﺐ ﺑـﻪ ﻧﻈـﺮ ﻣـﻲ ۲ ۱۳۸۴ 2000 r= -086** ﺑﻴﺸــﺘﺮﻳﻦ ﻫﻤﺒﺴــﺘﮕﻲ ۱۳۷۶ ۱۳۷۹ Bennet et al, 1996; Oil content 009ns -003 %۱ %۵ * and ** Significant at 5% and 1% probability levels, respectively ۱۲۰ Harvest index Sinharoy et al, 1990 ﻴـ ﻧﻴــﺰ ﻴ ۴۱/۶ 242

7 ﻛﻤـﻲ ١٤- ﺑﻴﺸﺘﺮ ﻳﺎﺷﺪ ﻛﻨﺠـﺪ ﻛـﻪ ۲۱۶۴ ۴۱۶ ﺑـﻪ ١٤-۳ ﻛﺸﺖ ۴۱/۶ ۶۰ ﺑﺎ References ۱۳۷۹ ﻧﺎﻣـ Sesamum indicum L ﺻﻔﺤﻪ ۸۳ ﻣﺠﻠـﻪ ۱۳۸۴ ﺻﻔﺤﻪ ۲۱۰ ﺘ ۱۳۷۵ ﺻﻔﺤﻪ ۲۳ ﻣﺠﻠـﻪ ۱۳۷۳ ﺣﺴﻴﻨﻲ ﺻﻔﺤﻪ ۷۲ ١٤- ﺻﻔﺤﻪ ۳۶ ۱۲۹-۱۳۶ :۲۶ ﺟﻠﺪ ﻳﻲ ﺻﻔﺤﻪ ۶۶۴ ﻧﻪ ﺻﻔﺤﻪ ۱۸ ۱۳۶۶ ۱۳۷۶ ۹۷-۱۱۴ :١١ ﺟﻠﺪ ﺳﺎﻛﻲ ﻳﺎﻓﺘﻪ ۱۳۷۸ ﻣﻄﻠﺒﻲ ۱۳۶۴ ﻫﺎﺷﻤﻲ ۱۳۸۰ ﻣﻄﻠﺒﻲ Adebisi, M A, M O Ajala, D K Ojo, and A W Salau 2005 Influence of population density and season on seed yield and its components in Nigerian sesame genotypes J Tropical Agric 43: Balasubramaniyan, P, P Gnanamurthy, and V Dharmaligam 1995 Response of irrigated sesame varieties to planting design and nitrogen Sesame and Safflower Newseletter 101: Bennet, M R, K Thaigalingam, and D F Beech 1996 Effect of nitrogen application on growth, leaf nitrogen content, seed yield and seed components of sesame Sesame and Safflower Newsletter 11: Dilip, M A, Jumdar, and S Roy 1991 Response of summer sesame to irrigation, row spacing and plant population Ind J Agron 37: Chungarol, S R, D A Chavana, U V Alse, and G V Yeaonkar 1991 Effect of plant density and variety on yield of sesame Indian J Agron 37:

8 ١٣٨٦ ﭘﺎﺋﻴﺰ ٣ ﺟﻠﺪ ﻧﻬﻢ ﻣﺠﻠﻪ Gosh, D C, and K Patra 1993 Effect of plant density and fertility levels on growth and yield of sesame in dry season of Indian subtropics Indian Agriculturalist 32: Kamel, M S, R Sabana, and M N Abu-hugaza 1983 Population arrangements and fertility effect on yield of seed of irrigated sesame Zeits Chirift Faracker and Pflan Zehbav 156: Metwally, M A, N S El-Yazal, and F N Mahrous 1984 Effect of irrigation and nitrogen fertilizer on sesame Egyptian J Soil Sci 42: Patra, A K, D C Gosh, Mishira, S K Tripathy, M K Nanda, and S C Mahapatra 1996 Growth models and path coefficient analysis of sesame in dry season Field Crops Abst 4910: 976 Rahnma, A, and A Bakhshandeh 2006 Determination of optimum row spacing and plant density for unibranched sesame in Khuzestan province J Agric Sci Technol 8:25-33 Ramakrishnan, A N, A Sundram, and K Apparoo 1996 Influence of fertilization on yield and yield components of sesame Field Crops Abst 495: 452 Singh, S B, Y S Chauhan, and G S Verma 1992 Effect of row spacing and nitrogen level on yield of sunflower Carthamus tinctorius L in salt-effected soil Ind J Agron 37: Sinharoy, A R C, A Samul, M N Ahsam, and B Roy 1990 Effect of different sources and levels of nitrogen on yield attributes and seed yield of sesame varities Environ Ecol 8: Weise, E A 2000 Oilseed crops Blackwell Sci, Ltd, Oxford, UK, pp

9 Effect of different levels of plant density and nitrogen fertilizer on grain yield and its components and some quality traits in two sesame Sesamum indicum L cultivars Bahrani, M J1, and G H Babaei2 ABSTRACT Bahrani, M J, and G H Babaei 2007 Effect of different levels of plant density and nitrogen fertilizer on grain yield and its components and some quality traits in two sesame Sesamum indicum L cultivars Iranian Journal of Crop Sciences 93: A field experiment was conducted to evaluate the effect of different levels of plant density and nitrogen fertilizer N on grain yield and its components and some quality traits in two sesame Sesamum indicum L cultivars-using split-split plot arrangement in randomized complete block design with three replications at Agricultural Research Station of Kushkak, College of Agriculture, Shiraz University in 2002 cropping season The treatments included: plant density 166, 208, 330 and 416 plants m-2 assigned to main plots, nitrogen fertilizer N 0, 60, and 120 kg ha-1 and cultivars CV Local Zarghan and were randomized in subplot and sub-sub plots, respectively Both plant density and N fertilizer had significant effect on days to maturity, capsule number per plant, 1000-grain weight, grain yield, harvest index, oil and protein contents Grain yield of cultivars increased with increased N rate, but CVs had different response to N levels There was a significant interaction between N plant densities CV on grain yield, and the highest grain yield 2161 kg ha-1 was produced by in 416 plants m-2 and 60 kg N ha-1, which was not significantly different from local Zarghan, at this plant density Grain yield had negative and significant correlation r= -031* with harvest index and positive correlation r= 023 with 1000-grain weight and oil content Grain oil content had negative and significant correlation r= -086** with grain protein content In summary, two sesame cultivars had no significant yield differences, but it local Zarghan, was more responsive to N application Of course is harvested later relative to local Zarghan and therefore, it is recommended early maturity local Zarghan be sown where there are early autumn rain and cold with less N fertilizer application Keywords: Capsule number per plant, 1000-grain weight, Grain yield, Harvest index, Oil content, Protein content Received: May Professor, Shiraz University, Shiraz, Iran Corresponding author 2- Former MSc, Student, College of Agriculture, Shiraz University, Shiraz, Iran 245