New Developments in Cottonseed Treatment from China, CIS Republics and United StatesNew Developments in Cottonseed Treatment from China, CIS Republics and United States
Mar 21, 2019

Crop Protection WCRC WCRC2

Research results from the three largest cotton producing areas of the world have demonstrated significant increases in disease control and cotton yields by utilizing new combination chemical seed treatments. In China, 16 formulations were studied at eight field trial sites in four provinces for several years. Combinations of 2-(thiocyanomethylthio) benzothiazole, a-butyl-a-(4-chlorophenyl)-1 H-1,2,4-triazole-1-propanenitrile and N-(2,6-dimethylphenyl)-N-(methoxyacetyl) alanine methyl ester significantly increased plant stand and yield compared to single and composite treatments. This combination has also demonstrated significant increases in cotton stand and survival in field trials conducted across the cotton growing area of the United States, over 4 years. In Uzbekistan, the combination of 2-(thiocyanomethylthio) benzothiazole, 1,4-dichloro-2,5-dimethyoxybenzene and O,S-dimethyl acetylphosphoramidothioate significantly increased disease control and yield compared to the standard treatment, Bromotak and Thiram. The incidence of bacterial blight caused by Xanthomonas campestris, was also significantly reduced. It is concluded from these studies that cottonseed treatments containing a broad spectrum contact fungicide in combination with systemic products with activity against Pythium, Rhizoctonia and Thielaviopsis are highly effective in establishing acceptable field populations of cotton plants.

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