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首页> 外文期刊>Indian Journal of Weed Science >Influence of Paddy Residue Management Techniques on the Bioefficacy of Herbicides for Control ofPhalaris minor in Rice-Wheat System
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Influence of Paddy Residue Management Techniques on the Bioefficacy of Herbicides for Control ofPhalaris minor in Rice-Wheat System

机译：稻麦系统中稻田残留管理技术对除草剂防效的影响

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摘要

Field experiments were conducted during 1998-99 and 1999-2000 on sandy loam soils to study the bioefficacy of isoproturon, tralkoxydim, clodinafop, fenoxaprop-p-ethyl and sulfosulfuron for the control of Phalaris minor in wheat with respect to different paddy residue management techniques (straw removal, complete burning, partial burning and incorporation). The differences in wheat grain yield were non-significant with different paddy residue management systems during 1998-99, however, during 1999-2000, significantly highest grain yield was recorded with full rice straw incorporation 8.0 t ha~(-1)) than partial burning and rest incorporation of the straw. On an average of two years, whole incorporation of rice straw increased grain yield by 2.3% over straw removal treatment. Application of isoproturon even at double the recommended dose did not control P. minor effectively and gave significantly lower grain yield as compared to tralkoxydim (0.35 kg ha~(-1)), clodinafop (0.06 kg ha~(-1)), fenoxaprop-p-ethyl (0.10 kg ha~(-1)) and sulfosulfuron (0.025 kg ha~(-1)) under all the residue management systems. Poor control of P. minor with isoproturon even at double the recommended rate may be due to the development of resistance in P. minor to this herbicide.
机译：1998-99年和1999-2000年在沙质壤土上进行了田间试验，研究了异麦草酮，traalkoxydim，clodinafop，fenoxaprop-p-ethyl和sulfosulfuron在不同稻田残留管理技术上对小麦中ala草的控制作用。 （除草，完全燃烧，部分燃烧和合并）。在1998-99年间，不同稻谷残留管理系统的小麦籽粒产量差异不显着，但在1999-2000年间，全麦秸秆掺入8.0 t ha〜（-1））的小麦籽粒产量明显高于部分稻谷。燃烧并休息并吸管。平均而言，与秸秆去除处理相比，稻草秸秆的整体掺入平均使谷物产量提高了2.3％。与三氯氧嘧啶（0.35 kg ha〜（-1）），clodinafop（0.06 kg ha〜（-1）），fenoxaprop相比，即使以推荐剂量的两倍施用异丙隆也不能有效控制次要P. minor，并且谷物产量显着降低。所有残留物管理系统下的对-对乙基（0.10 kg ha〜（-1））和磺磺隆（0.025 kg ha〜（-1））。即使使用推荐的倍数，异丙隆也不能很好地控制小生病菌，这可能是由于小生病菌对该除草剂产生了抗药性。

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