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Influence of Application Timing on the Efficacy of Reduced Rate Postemergence Herbicides for Wild Oat (Avena fatua) Control in Spring Baryley (Hordeum vulgare)

机译:施药时间对春季大麦(Hordeum vulgare)野燕麦(Avena fatua)减价后除草剂功效的影响。

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摘要

Field experiments were conducted during 1992 and 1993 at Kalispell and Moccasin, MT, to determine the influence of application timing on the efficacy of reduced rate postemergence ap- plications of imazamethabenz and diclofop in spring barley. Herbicides were applied at their respec- tive 1× and 1/2× use rates at wither 1, 2, or 3 weeks after crop emergence (WAE). While excellent wild oat control was sometimes achieved with reduced rates, there was no consistent relationship between wild oat growth stage and the level of control at either site regardless of the herbicide or rate applied.
机译:在1992年和1993年期间,在蒙大拿州的Kalispell和Moccasin进行了田间试验,以确定施药时间对春季大麦中imazamethabenz和diclofop降低速率的出苗后应用功效的影响。作物出苗后1、2或3周分别以1倍和1/2倍的除草剂施用量。尽管有时以降低的比例实现了优异的野燕麦控制,但无论使用何种除草剂或施用的速率,野燕麦的生长阶段与任一地点的控制水平之间都没有一致的关系。

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