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首页> 外文期刊>Indian Journal of Weed Science >Competitiveness of rice cultivars under stale seedbed in dry direct-seeded rice
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Competitiveness of rice cultivars under stale seedbed in dry direct-seeded rice

机译：旱地直播种子在过时苗床下水稻品种的竞争力

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摘要

A field experiment was conducted to study the performance of cultivar and weed management practices under stale seed bed in dry direct seeded rice. The treatment consisted of combination of two methodsof rice sowing i.e. dry seeding after stale seed bed by glyphosate 1 kg/ha and shallow tillage and two weed management treatment (weedy and two hand weeding) in main plot and four cultivars viz. ‘BPT-5204, Sarjoo -52, PRH-10’ and 'HUBR2-I' in sub-plot replicated thrice in split plot design. The results revealed that ‘Sarjoo-52 ’ was found to be more competitive than other cultivars in terms of grain yield and economics. Studies on competitive traits revealed that number of grains/panicle had highest direct positive effect whereas number of panicles/m~2 via number of grains/panicle had more indirect effect on grain yield.
机译：进行了田间试验，研究了干直播稻中陈旧种子床下品种和杂草处理方法的性能。该处理方法包括两种水稻播种方法，即在陈旧的床后以1 kg / ha的草甘膦和浅耕作干播，并在主田和四个品种上进行两种杂草处理（杂草和两只手除草）。子图设计中的子图中的“ BPT-5204，Sarjoo -52，PRH-10”和“ HUBR2-I”重复了三次。结果表明，在谷物产量和经济方面，“ Sarjoo-52”比其他品种更具竞争力。对竞争性状的研究表明，粒数/穗数对籽粒产量的直接影响最高，而粒数/ m〜2通过粒数/穗数的间接影响更大。

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