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CGA248757 as a Cotton Harvest Aid

D. W. Stair, J. Tom Cothren and Ray Smith


The voluntary removal of arsenic acid from the commercial market has stimulated interest in new cotton (Gossypium hirsutum) defoliant/dessicant harvest-aids. CGA248757 ([[2-chloro-4-fluoro-5[(tetrahydro-3-oxo-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazin-1-ylidene)amino]-phenyl]thio]-acetic acid methyl ester) is a low use rate post-emergent contact herbicide which inhibits protoporphyrinigen IX oxidase. Accumulation of protoporphyrins leads to radical production and cell damage. CGA248757 has low soil mobility and very short soil half-life.

Reprinted from Proceedings of the 1998 Beltwide Cotton Conferences pg. 1413
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998