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CGA-362622 Antagonizes Annual Grass Control with Clethodim

机译：CGA-362622用克来定定拮抗年度草防治

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Field and greenhouse experiments were conducted to evaluate clethodim, CGA-362622, mixtures thereof, and sequential treatments for control of broadleaf signalgrass, fall panicum, goose-grass, and large crabgrass. In greenhouse experiments, clethodim alone provided 93 and 100% control of three- to four-leaf goosegrass at the low (105 g ai/ha) and high (140 g/ha) rates, respectively, whereas CGA-362622 did not control grasses in greenhouse or field experiments. Control of six- to eight-leaf goosegrass in the greenhouse with clethodim was 75% for the low rate and 89% for the high rate. Control of goosegrass in greenhouse studies was reduced at least 43 percentage points with CGA-362622 and clethodim at the high rate in mixture compared with control provided by clethodim at the high rate alone. When CGA-362622 and clethodim were applied in mixture in field studies, the effectiveness of the graminicide was decreased from > 97 to < 57% control for all annual grasses. Antagonism of clethodim activity was greater than that of the tank mixture when clethodim was applied 1 d after CGA-362622 on large crabgrass, goosegrass, and fall panicum. Clethodim applied 7 d before or after CGA-362622 controlled the four grass species as well as did clethodim applied alone. When CGA-362622 was applied to goosegrass alone, fresh weight accumulation stopped for a period of 4 d compared with untreated plants. Normal growth resumed after 4 d.
机译：进行了田间和温室试验，以评价杀虫菊酯，CGA-362622，其混合物以及用于控制阔叶信号草，秋天恐慌，鹅草和大马草的序贯处理方法。在温室实验中，单独的杀虫菊酯可分别以低（105 g ai / ha）和高（140 g / ha）的比例提供93％和100％的三叶至四叶醋栗的防治效果，而CGA-362622却不能防治草在温室或野外实验中。使用克雷替定控制温室中六叶至八叶醋栗的低比例控制为75％，高比例控制为89％。与仅以高剂量的杀虫菊酯提供的对照相比，以高比率混合使用CGA-362622和克雷索定，在温室研究中对鹅草的控制降低了至少43个百分点。当在田间研究中将CGA-362622和克雷索定混合使用时，对所有一年生禾草的杀草效果从97％降低到57％。 CGA-362622施用1 d后，对大型马尾草，猕猴桃和秋天的恐慌而言，克雷替定的拮抗作用大于储罐混合物的拮抗作用。在CGA-362622控制四个草种之前或之后的7 d施用了杀草定，单独施用杀草定也是如此。当将CGA-362622单独施用于鹅肝时，与未经处理的植物相比，鲜重积聚停止了4天。 4天后恢复正常生长。

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