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首页> 外文期刊>Range Management & Agroforestry >Effect of different herbicides on weed control efficiency, fodder and seed yields of berseem (Trifolium alexandrinum L.) in central India
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Effect of different herbicides on weed control efficiency, fodder and seed yields of berseem (Trifolium alexandrinum L.) in central India

机译：不同除草剂对印度中部繁殖的杂草控制效率，饲料饲料及种子产量的影响

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摘要

Berseem (Trifolium alexandrinum L.) is an important winter season forage crop, heavily infested with weeds. A multi-location trial was conducted at Jabalpur, Rahuri and Urulikanchan during 2012-15 under All India Coordinated Research Project on Forage Crops to identify the suitable herbicides for weed control in berseem. The different treatment combinations were made with pre-emergence herbicides viz., pendimethalin and oxyfluorfen and a post-emergence herbicide, imazethapyr in different proportion along with weedy check (control). Results showed that pre-emergence application of pendimethalin @ 0.4 kg a.i./ha followed by imazethapyr @ 0.1 kg a.i./ha after first cut reduces weed density and dry weight at Jabalpur. However, Oxyfluorfen followed by Imazethapyr @ 0.1 kg a.i./ha was superior in weed control efficiency at Rahuri (66.9%) and Urulikanchan (83.9%). Furthermore, this treatment also increased green fodder and seed yield by 81 and 119%, respectively over weedy check across locations. Thus, pre-emergence application of oxyfluorfen followed by imazethapyr @ 0.1 kg a.i./ha after first cut was recommended in central India for better weed control, fodder and seed yields of berseem and higher economic returns.
机译：麻州（Trifolium Alexandrinum L.）是一个重要的冬季饲料作物，用杂草进行严重感染。在Jabalpur，Rahuri和Urulikanchan在2012-15赛季的所有印度协调研究项目中进行了多次审判，在饲草作物上鉴定了大杂草控制的合适除草剂。不同的治疗组合是用出苗前除草剂viz进行的。，Pendimethalin和oxylforfen和出苗后的除草剂，咪唑普罗斯与杂草检查（对照）不同比例。结果表明，Pendimethalin @ 0.4 kg A.I./ha的出苗前施用，然后是Imazethapyr @ 0.1 kg A.i./ha在首次切割后降低了Jabalpur的杂草密度和干重。然而，Oxyfluorfen随后Imazethapyr @ 0.1 kg A.i./ha在Rahuri（66.9％）和urulikanchan（83.9％）中杂草控制效率优越。此外，这种治疗还在横跨地点的杂草检查中分别增加了绿色饲料和种子产量81％和119％。因此，氧氟氟醚的前嗜含量施用，然后是咪唑脲@ 0.1千克A.I./ha在印度中部建议进行第一切，以便更好的杂草控制，饲料和产量较高的经济回报。

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