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Citric Ester Surfactants as Adjuvants with Herbicides

机译:柠檬酸酯表面活性剂作为除草剂的佐剂

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Research was conducted to evaluate structure-function relationships of citric acid esters that varied in alkyl chain number (mono-, di-, and tri-), ethylene oxide number (EO 4,7,9,25,35,52), and alkyl chain length (C8, C12/14, C16/18). Adjuvant efficacy was evaluated on two weed species for each of the four herbicides. The experimental adjuvants were applied with glyphosate and glu-fosinate on giant foxtail and common lambsquarters, imazamox on velvetleaf and common lambs-quarters, and nicosulfuron on giant foxtail and large crabgrass. Adjuvant efficacy was weed and herbicide specific. EO number and alkyl chain length and number influenced adjuvant efficacy with the effectiveness of various combinations dependent on both herbicide and weed species. EO numbers as high as 52 were shown to be effective for glyphosate, glufosinate, and imazamox.
机译:进行了研究,以评估在烷基链数(单,二和三),环氧乙烷数(EO 4,7,9,25,35,52)和烷基链长(C8,C12 / 14,C16 / 18)。对于四种除草剂中的每一种,在两种杂草物种上评估了佐剂功效。实验佐剂是在草尾和普通羊羔上使用草甘膦和谷氨酸膦,在草皮和普通羊羔上使用伊马沙莫,在草实和大型马尾草上使用烟嘧磺隆。佐剂功效是杂草和除草剂特异性的。 EO数和烷基链长和数目影响佐剂效力,取决于除草剂和杂草种类的各种组合的效力。 EO值高达52被证明对草甘膦,草铵膦和咪唑胺有效。

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