| 摘要 |
Described herein is a method for defoliating a crop plant to aid in harvesting the crop which comprises applying to the plant an effective amount of a composition comprising one or more of a 1,2,4-triazol-1-ylpropanoic acid or derivative thereof having the formula: in admixture, with one or more adjuvant with an agriculturally suitable carrier, where X, Y, and R-R5 are described. The method is particularly effective at low use rates as an aid for harvesting cotton. Especially effective is that compound wherein X is fluoro, Y is chloro, R is methyl, R1 is difluoromethyl, R2 is hydrogen, R3 is chloro, R4 is hydrogen, and R5 is ethyl; the compound of which is carfentrazone ethyl, and the adjuvant is a crop oil concentrate.
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