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Herbicides by Damage
see links for for more detail on Crop Impacts and Images
Phenoxy's / Synthetic Auxin
24-D 24-D and picloram Dicamba Fluroxypyr Glyphosate & 24-D MCPA MCPA plus Picloram Triclopyr plus Picloram
Bleachers
AtrazineBromoxynil Cyanazine Diuron Fluometuron Glyphosate IsoxaflutolePrometryn Simazine
Yellowers
ChlorsulfuronImazapicImazapyr Metsulfuron
Dessicants
Glufosinate Paraquat plus diquat
Useful Links:
Cotton Pest Management Guide 2011 12 Spray Application (1.2MB) Cotton Pest Management Guide 2011 12 Weeds Section (1.8MB) includes chemical trade names and marketers Page 111 Herbicide Damage Symptoms Guide, WEEDpak PDF version for (printing and mobile devices)
MCPA plus picloram (Tordon® 242) Group I
Cotton plants were exposed to a combination of MCPA and picloram. The combination was applied at 50% and 10% of a typical field dose rate. The formulation used was Tordon® 242 Cereal Herbicide (MCPA 420 g a.i./L, present as the potassium salt plus picloram 26 g a.i./L present as the potassium salt), a Dow AgroSciences product, at 500 ml/ha and 100 ml/ha. Tordon 242 was applied preplanting and at 5, 10 and 17 nodes of cotton growth, broadcast over the crop in 100 L water/ha. All data were compared to an untreated control.
10% of typical field dose rate 100_ml_Tordon_242_preplanting.pdf 100_ml_Tordon_242_at_5_nodes.pdf 100_ml_Tordon_242_at_9_nodes.pdf 100_ml_Tordon_242_at_17_nodes.pdf
50% of typical field dose rate 210 g 13 g MCPA picloram pre-planting 210 g 13 g MCPA picloram at 5 nodes 210 g 13 g MCPA picloram at 10 nodes 210 g 13 g MCPA picloram at 17 nodes