FORAGES (AlFAlFA And PAStuRE) InSECt COntROl

Transcription

1 Insect Insecticide Formulation/Acre lb ai/acre Acres/Gallon Application/Comments Restricted Interval (hours) Minimum days Application to Harvest AlFAlFA Alfalfa Weevil (Usually 1 generation per year. Observed usually only on the first cutting.) betacyfluthrin (R) Baythroid XL 1 EC carbaryl oz 1 7/8 lb DO NOT apply more than once per cutting. DO NOT apply during bloom. 7 alfalfa 7 alfalfa 14 pasture Treat when 50% or more of tips show weevil feeding before full bud stage. carbofuran Furadan 4 LFR chlorpyrifos (R) Lorsban Adv EC Chlorpyrifos 4 EC Highly toxic; use only once per cutting. Follow label directions carefully. DO NOT apply more than twice Furadan is NOT LABELED for pastures. DO NOT apply more than once per cutting. Lorsban and Chlorpyrifos are NOT LABELED for pastures. 14 days (low rate) 28 (high rate) 14 (low rate) 21 (high rate) dimethoate (R) Dimethoate 4 EC Dimethoate 2.67 EC 1 pt 1.5 pt DO NOT apply to alfalfa in the bloom period. Make 1 application per cutting. Dimethoate is NOT LABELED for pastures gammacyhalothrin (R) Proaxis 0.5 EC Declare 1.25 EC oz oz DO NOT apply more than lb ai per acre per cutting. DO NOT apply more than 0.06 lb ai per acre oz oz cutting. DO NOT apply more than 0. lb ai per acre 0 (grazing) pasture malathion Fyfanon/Malathion 5 EC 1 qt Very short residual; control for 37 days; can be ap plied by ground rig. 5 alfalfa Methomyl (R) Lannate 90SP Lannate 2.4 LV 1 lb 3 pt Highly toxic. DO NOT apply to dormant or semidormant alfalfa when temperature is below 50 degrees F permethrin (R) Permethrin 3.2 EC Ambush 2 EC Pounce 25 WP oz oz DO NOT apply more than 0.2 lb ai per acre per cutting. DO NOT apply when honeybees are actively foraging. Ambush and Pounce are NOT LABELED for pastures. 14 alfalfa phosmet Imidan 70 WP 1.33 lb 1.0 DO NOT apply to alfalfa during the bloom period. DO NOT apply more than once per cutting. Imidan is NOT LABELED for pastures. 5 days 7 alfalfa zetacypermethrin (R) alfalfa 3 nongrass pasture 86

2 Interval Application Insect Insecticide Formulation/Acre lb ai/acre Acres/Gallon Application/Comments (hours) to Harvest Blister Beetle carbaryl DO NOT apply during bloom. 7 alfalfa Sevin 4 F 14 pasture lb gammacyhalothrin (R) DO NOT apply more than lb ai per acre per Proaxis 0.5 EC oz 3350 cutting. DO NOT apply more than 0.06 lb ai per acre Declare 1.25 EC oz oz cutting. DO NOT apply more than 0. lb ai per acre oz 3350 Fall Armyworm, betacyfluthrin (R) DO NOT apply more than lb ai per acre 7 alfalfa Armyworm Baythroid XL 1EC oz per cutting. On seedling alfalfa, carbaryl DO NOT apply to alfalfa during bloom. 7 alfalfa treat for 2 larvae per Sevin 4 F 23 pt pasture square foot. On chlorantraniliprole DO NOT apply more than 0.2 lb ai per acre per crop. 4 0 established alfalfa, Prevathon 1420 oz 69 consider treatment when 1015 large larvae are found per forage square foot. Besiege/Voliam Xpress 69 oz 1421 flubendiamide DO NOT reapply within 14 days. Belt is NOT 0 Belt 4 SC 24 oz 3264 LABELED on pastures oz cutting. DO NOT apply more than 0. lb ai per acre oz 3350 methoxyfenozide Livestock can graze on treated area immediately 4 Intrepid 2 F oz 1632 after application of Intrepid. 0 (grazing) zetacypermethrin (R) No grazing restriction for grass forage or hay. 7 alfalfa oz 3245 DO NOT apply within 3 days for nongrass forage oz nongrass pasture Potato leafhopper The treatment threshold for potato leafhoppers varies with the height of the alfalfa. For alfalfa 3 inches in height, the threshold is 4 per 20 sweeps; for 6inch alfalfa, the threshold is 10 per 20 sweeps; and for inch or greater alfalfa, the threshold is 40 per 20 sweeps. Before treating, consider yield potential and the age of the alfalfa stand. betacyfluthrin (R) DO NOT apply more than lb ai per acre 7 alfalfa Baythroid XL 1EC oz per cutting. carbaryl DO NOT apply during bloom. 7 alfalfa Sevin 4 F 14 pasture lb 87 FORAGES

3 Insect Insecticide Formulation/Acre lb ai/acre Acres/Gallon Application/Comments Restricted Interval (hours) Minimum days Application to Harvest AlFAlFA Potato leafhopper (cont.) Grasshopper The treatment threshold for potato leafhoppers varies with the height of the alfalfa. For alfalfa 3 inches in height, the threshold is 4 per 20 sweeps; for 6inch alfalfa, the threshold is 10 per 20 sweeps; and for inch or greater alfalfa, the threshold is 40 per 20 sweeps. Before treating, consider yield potential and the age of the alfalfa stand. Besiege/Voliam Xpress chlorpyrifos (R) Lorsban Adv EC Chlorpyrifos 4 EC dimethoate (R) Dimethoate 4 EC Dimethoate 2.67 EC permethrin (R) Permethrin 3.2 EC Ambush 2 EC Pounce 25 WP zetacypermethrin (R) betacyfluthrin (R) Baythroid XL 1EC chlorantraniliprole Prevathon 0.43 SC Besiege/Voliam Xpress zetacypermethrin (R) 58 oz 0.51 pt pt pt oz oz oz oz oz oz 820 oz 610 oz oz oz oz oz /lb DO NOT apply more than once per cutting. Lorsban and Chlorpyrifos are NOT labeled for pastures. DO NOT apply to alfalfa in the bloom period. Make 1 application per cutting. Dimethoate is NOT LABELED for pastures. cutting. DO NOT apply more than 0. lb ai per acre DO NOT apply more than 0.2 lb ai per acre per cutting. DO NOT apply when honeybees are actively foraging. Ambush and Pounce are NOT LABELED for pastures. DO NOT apply more than lb ai per acre per cutting forage 24 7 (0.5 pint rate) 14 (1.0 pint rate) 21 (2.0 pint rate) alfalfa 7 alfalfa 3 nongrass pasture 7 alfalfa DO NOT apply more than 0.2 lb ai per acre per year. 4 0 hay cutting. DO NOT apply more than 0. lb ai per acre No grazing restriction for grass forage or hay. DO NOT apply within 3 days for nongrass forage forage 7 alfalfa 3 nongrass pasture

4 Interval Application to Insect Insecticide Formulation/Acre lb/ai/acre Acres/Gallon Applications/Comments (hours) Harvest PAStuRE Fall Armyworm, betacyfluthrin (R) DO NOT apply more than lb ai per acre Armyworm Baythroid XL 1EC oz per cutting. 0 hay Control is usually carbaryl Sevin does not kill armyworms quickly. Allow needed when 3 or lb days for control to become effective. Must remove more worms per Sevin XLR Plus 23 pt cattle. DO NOT apply to alfalfa during bloom. square foot are found. chlorantraniliprole DO NOT apply more than 0.2 lb ai per acre per crop. 4 Prevathon 0.43 SC 1013 oz (ee) recommendation rate for Prevathon. 0 hay Coragen 1.67 SC oz DO NOT apply more than 9 fl oz per acre per cutting. 24 Besiege/Voliam Xpress 69 oz 1421 cyfluthrin (R) DO NOT apply more than lb ai per 5day Tombstone 2 EC oz 67.0 interval. 0 hay oz cutting. DO NOT apply more than 0.09 lb ai per acre oz 3350 methoxyfenozide Livestock can graze on treated area immediately 4 Intrepid 2 F oz 1632 after application of Intrepid. spinosad No grazing restriction (spray should dry before cattle 4 3 hay Blackhawk oz /lb graze in treated areas). Entrust is OMRI listed for Tracer 4 SC 12 oz 6 organic production. Entrust 80 S oz 25/lb Entrust 2 SC 24 oz 3264 zetacypermethrin (R) No grazing restriction for grass forage or hay oz 3245 DO NOT apply within 3 days for nongrass forage. 3 nongrass pasture oz 3245 Grasshopper 22% diflubenzuron (R) Dimilin 2L 2 oz 64 Unforgiven 2 oz 64 Apply when grasshoppers are small (1/2 inch). Once grasshoppers reach 4th instar nymphs, survival increases. Allow at least 1 day after treatment before cutting hay. DO NOT exceed a total of 2 fl oz Dimilin 2L or Unforgiven per acre per cutting DO NOT exceed a total of 6 fl oz Dimilin 2L or Unforgiven per acre per year. 1 betacyfluthrin (R) Baythroid XL 1EC oz FORAGES DO NOT apply more than lb ai per 5day interval. 0 hay

5 Interval Application to Insect Insecticide Formulation/Acre lb/ai/acre Acres/Gallon Applications/Comments (hours) Harvest PAStuRE Grasshopper chlorantraniliprole DO NOT apply more than 0.2 lb ai per acre per crop. 4 (cont.) Prevathon 0.43 SC 816 oz 816 2(ee) recommendation rate for Prevathon. 0 hay DO NOT apply more than 9 fl oz per acre per cutting. 24 Besiege/Voliam Xpress 69 oz 1421 cyfluthrin (R) DO NOT apply more than lb ai per 5day Tombstone 2 EC oz interval. 0 hay oz cutting. DO NOT apply more than 0.09 lb ai per acre oz 3350 zetacypermethrin (R) No grazing restriction for grass forage or hay oz 3245 DO NOT apply within 3 days for nongrass forage. 3 nongrass pasture oz 3245 Red Imported Fire Ant hydramethylnon (Amdro Pro) 25 Tbsp/mound lb/a Moundtomound treatment rate. Broadcast rate. hydramethylnon + methoprene (Extinguish Plus) 35 Tbsp/mound lb/a Apply All FIRE Ant BAItS when ants are active and soil temperature is above 60 degrees F. DO NOT treat if rain is anticipated within 6 hours. DO NOT cut and bale hay treated with Amdro Pro or Extinguish Plus until 7 days after application. pyriproxyfen (Esteem) 24 Tbsp/mound 1.52 lb/a DO NOT harvest hay within 24 hours of treatment with Esteem. 1 hay SMethoprene (Extinguish) 35 Tbsp/mound lb/a Moundtomound treatment rate. Broadcast rate. 4 0 hay 90