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Pre-emergence herbicides (Broad spectrum (fluometuron (cotoran,…
Pre-emergence herbicides
Broad spectrum
fluometuron (cotoran, substituted urea)
Broadleaves control: Palmer amaranth, sicklepod, hemp sesbania, velvetleaf, prickly sida, morningglory
Grassy weeds control: barnyardgrass, fall panicum, broadleaf signalgrass, crabgrass
Labelled crops: Cotton
Symptoms: Safe only to cotton
PS II symptom, interveinal chlorosis with injury begin in leaf margin
metribuzine (metribuzine, Triazine)
Broadleaves control: Palmer amaranth, sicklepod, hemp sesbania, velvetleaf, prickly sida, morningglory
Grassy weed control: barnyardgrass, johnsongrass seedlings, crabgrass
Symptoms: Safe to cotton, corn, sorghum, soybean
PS II symptom, interveinal chlorosis with injury begin in leaf margin
Corn and sorghum stunting and stand issues
Labelled crops: soybean
diuron (Direx, Substituted urea)
Broadleaves control: Palmer amaranth, sicklepod, hemp sesbania, velvetleaf, prickly sida, morningglory
Grassy weed control: barnyardgrass, johnsongrass seedlings, crabgrass
Symptoms: Safe only to cotton, corn, sorghum
PS II symptom, interveinal chlorosis with injury begin in leaf margin
Labelled crops: cotton, corn, grain sorghum
Group 2
chloransulam-methyl (Firstrate,Sulfonanilide)
Symptoms: Safe on soybean, stand issues with sorghum and corn
Fail to control: hemp sesbania, sicklepod, morningglory, prickly sida and all the grasses
Control: Broad leaf weeds (Palmer amaranth and velvetleaf)
Labeled crops: Soybean
chlorimuron (classic, Sulfpnylurea)
Controls: large crabgrass, fall panicum, barnyardgrass, Palmer amaranth, morningglory, prickly sida, velvetleaf
Fail to control: hemp sesbania, sicklepod, seedling johnsongrass, broadleaf signalgrass
Labeled crops: Soybean and Peanut
Symptoms: Burned sunflower, purple pigmentation on sorghum and corn
Only broadleaves control
flumioxazin (valor, N-phenylphthalimide
Group 3,13 and 15
Group 15
S-metolachlor (Dual, chloroacetamide)
Recommended crop: soybean, sunflower, peanut, sweet potato, cotton, sorghum
Grasses control: barnyardgrass, johnsongrass seedlings, crabgrass, broadleaf signalgrass, fall panicum
Broadleaves weed control : Palmer amaranth
Symptoms: Safe to soybean, peanut, cotton, corn
Stand issues with sorghum
Dead rice and squash
Week on velvetleaf, morningglory, prickly sida
Pyroxasulfone (Zidua, Isoxazoline)
Symproms: Safe to soybean, cotton, corn
Dead morningglory, prickly sida
Recommended crop: soybean, cotton, corn
Broadleaf weed control : Palmer amaranth, morningglory, prickly sida, velvetleaf
Grasses control: barnyardgrass, johnsongrass seedlings, crabgrass, broadleaf signalgrass, fall panicum
Group 3
pendimethalin (Prowl, Dinitroaniline)
Recommended crops: soybean, sunflower, sugarcane, peanut, rice,sweet potato, cotton, corn, sorghum
Symptoms: Safe to soybean, sunflower, sugarcane, peanut, rice, sweet potato, cotton, corn, sorghum
Club root in sorghum
Good velvetleaf control
Grasses control: barnyardgrass, johnsongrass seedlings, crabgrass, broadleaf signalgrass, fall panicum
Broadleaves control: velvetleaf, Palmer amaranth, morningglory
Group 13
Clomazone (command, Isoxazolidinone)
Symptoms: Safe to cotton, corn, cowpea, soybean, rice, squash
Bleaching symptom on lower leaves
Labelled crops: soybean, squash, rice (PRE), sweet potato (POST)
Grassy weed control: barnyardgrass
Broadleaves control: velvetleaf