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首页> 外文期刊>Indian Journal of Weed Science >Performance of different herbicides on wheat grain yield and correlation between growth and yield attributes of wheat and weeds
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Performance of different herbicides on wheat grain yield and correlation between growth and yield attributes of wheat and weeds

机译：不同除草剂对小麦籽粒产量的性能及小麦和杂草生长与产量属性的相关性

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摘要

A field experiment was conducted at Siswal, Hisar, Haryana during 2016-17 and 2017-18 to study the effect of different herbicides applied alone or mixtures on weeds and yield of wheat (Triticum aestivum). Significantly higher grain yield was obtainedin weed free treatment, which was statistically similar with pinoxaden + metsulfuron and pendimethalin fb pinoxaden treatments, but significantly higher than all other treatments during both the years. Weed free, pinoxaden + metsufuron and pendimethalinfb pinoxaden treatments produced 70.9, 67.7 and 64.9; 69.4, 67.0 and 64.3% higher grain yield as compared to weedy check treatment, respectively during 2016-17 and 2017-18. Statistically similar grain yield was recorded in pyroxasulfone and pyroxasulfone+ pendimethalin treatments, it was 54.1 and 51.1; 55.3 and 52.4% higher to weedy check treatment, respectively during 2016-17 and 2017-18. Application of flumioxazin and flumioxazin + pendimethalin provided effective weed control, but grain yield was lower due to crop phytotoxicity after first irrigation in light texture soils. Significant positive correlation between grain yield, growth and yield attributes, per cent control of weeds and weed control efficiency, but negative correlation was observed between grain yield and weed dry weight, panicle length, seeds/panicle, test weight of wild oat and weed index.
机译：在2016-17和2017-18期间在Siswal，Hisar，Haryana进行了一个田间实验，研究了单独应用的不同除草剂的效果或小麦的杂草和产量的混合物（Triticum aestivum）。谷物产量明显较高，杂草免费治疗，其与Pinoxaden + Metsulfuron和Pendimethalin FB尾氧化物治疗有统计学相似，但在这两年内显着高于所有其他治疗。杂草免费，Pinoxaden + Metsufuron和Pendimethalinfb Pinoxaden治疗生产70.9,67.7和64.9;与杂草检查治疗相比，69.4,67.0和64.3％的粮食产量分别为2016-17和2017-18期间。统计学上类似的谷物产量以辉石砜和聚根辛砜+六甲醚处理，为54.1和51.1;在2016-17和2017-18期间，分别为杂草检查治疗55.3和52.4％。氟哌嗪和氟哌嗪+紫米甲胺的应用提供了有效的杂草控制，但在浅纹理土壤中首次灌溉后作物植物毒性，谷物产量降低。谷物产量，生长和产量属性的显着正相关，杂草和杂草控制效率的百分比控制，但谷物产量和杂草干重，穗长，种子/穗，野外燕麦和杂草指数的试验重量之间观察到的负相关性。

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