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首页> 外文期刊>Indian Journal of Weed Science >Weed management with pre- and post-emergence herbicides in blackgram
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Weed management with pre- and post-emergence herbicides in blackgram

机译：杂草管理在黑色格子中具有前后除草剂

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A field experiment was conducted during rainy seasons of 2014 and 2015 at College of Agriculture, Gwalior (M.P.) to study the effect of herbicides in blackgram. The experiment was laid out with 12 treatments, viz. imazethapyr with four application rates 70 and 80 g/ha as pre-emergence (PE) and 70 and 80 g/ha as post-emergence (PoE); imazethapyr + imazamox (RM) 70 and 80 g/ha as PE, and 70 and 80 g/ ha as PoE, pendimethalin 1000 g/ha as PE, pendimethalin + imazethapyr (RM) 1000 g/ha PE, two hand weedings at 20 and 40 DAS (weed free) and weedy check in a randomized block design. Two hand weeding at 20 and 40 DAS were found to be very efficient in controlling the dominant grassy weeds and gave maximum seed yield (924 kg/ha) fb ready mix herbicides i.e.imazethapyr + imazamox 80 g/ha as PoE (905 kg/ha) and pendimethalin + imazethapyr 1000 g/ha as PE (879 kg/ha). Net returns and B:C ratio were the highest for the application of pendimethalin + imazethapyr (1000 g/ha PE) (3.32) fb application of imazethapyr + imazamox (80 g/ha PoE) (3.11).
机译：在2014年和2015年在农业学院，Gwalior（M.P.）的雨季进行了一个田间实验，研究了除草剂在黑色的疗效。该实验用12种治疗，viz奠定。 Imazethapyr用四个应用率70和80g / ha作为出苗前（PE）和70和80克/公顷，作为出苗后（PoE）; Imazethapyr + Imazamox（RM）70和80g / ha作为pe，70和80g / ha作为poe，pendimethalin 1000 g / ha作为pe，pendimethalin +咪唑普（Rm）1000 g / ha pe，两只手除草在20 40 DAS（杂草免费）和杂草检查随机块设计。在20和40 das的两只手中被发现是非常有效的控制主导的草草杂草，并获得最大的种子产量（924 kg / ha）fb准备混合除草剂Ieimazethapyr +咪唑80g / ha作为poe（905kg / ha ）和Pendimethalin +咪唑吡喃酰·1000 g / ha是pe（879 kg / ha）。净返回和B：C的比例是丙二甲醇蛋白+咪唑苄醇（1000g / ha PE）（3.32）Fb施用咪唑哌啶+咪唑嗪（80g / ha poe）（3.11）的施用最高。

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