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The Persistence of Trifluralin Resistance in Green Foxtail (Setaria viridis) Populations

机译:绿狐尾(Setaria viridis)种群中对氟乐灵的耐药性持续存在

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摘要

In the summer or 1995, green foxtail seed samples were collected from 17 fields in southwestern Manitoba where trifluralin resistance was first identified in 1988. Since 1988, six of these fields had not been treated with dinitroaniline herbicides (DNAHs), four had been treated once, and seven had been treated two or more times. The proportions of resistant (R) and susceptible (S) seeds in each sample were determined using a petri-dish seed bioassay. Among the samples collected from fields that had not been treated between 1988 and 1995, two contained >99/100 R seeds.
机译:在夏天或1995年,从马尼托巴省西南部的17个田地中采集了绿色的狐尾种子样品,1988年首次发现了对三氟拉林的抗性。自1988年以来,这些田地中有6个未使用二硝基苯胺除草剂(DNAHs)处理,其中4个曾处理过一次,并且有七个已经治疗两次或更多次。使用培养皿种子生物测定法确定每个样品中抗性(R)和易感性(S)种子的比例。在从1988年至1995年未经处理的田地中收集的样品中,有两个包含> 99/100 R种子。

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