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首页> 外文期刊>Indian Journal of Weed Science >Role of submergence tolerant rice cultivar and herbicides in managing invasive alien weeds
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Role of submergence tolerant rice cultivar and herbicides in managing invasive alien weeds

机译：淹水水稻品种和除草剂在管理入侵外星杂草中的作用

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摘要

The present investigation was conducted to evolve a suitable weed management practice for invasive alien weeds in transplanted rice at Annamalai University Experimental Farm, Annamalainagar, during samba seasons of consecutive years (2015 and 2016). The experiments were laid out in a split plot design with the conventional rice and submergence tolerant rice varieties compared in main plot. Weed management practices, viz. unweeded control, twice hand weeding (at 30 and 45 DAT), butachlor 1.5 kg/ha, bensulfuron-methyl 0.06 + pretilachlor 0.6 kg/ha and oxadiargyl 0.07 kg/ha were compared in sub treatments. The results indicated that submergence tolerance as a biological or genetic trait in crops helped suppressing invasive alien weeds like Leptochloa chinensis and Marsilea quadrifolia, offering biotic resistance to invasion by alien weeds and when integrated with weed control measures. Hence, weed control in submergence tolerant rice with the application of bensulfuron-methyl 0.06 + pretilachlor 0.6 kg/ha could be suggested as an efficient weed control programme for monsoon transplanted rice crop.
机译：在连续几年的Samba Seasons（2015年和2016年）期间，对本们在Annamalai大学实验农场进行移植稻的入侵稻米的侵袭性外来杂草的适当杂草管理实践。在主图中与常规水稻和潜水耐受水稻品种的分裂绘图设计中的实验中布局。杂草管理实践，viz。无需对照，两次手中杂草（30和45 DAT），Butachlor 1.5 kg / ha，在子处理中比较了0.6kg / ha和20.7kg / ha 0.6kg / ha和oxadiargyl 0.07kg / ha。结果表明，淹没作为作物中生物或遗传性状的潜水耐受有助于抑制浸血外来杂草，如Leptochloa Chinensis和Marsilea Quadrifolia，为外国杂草和杂草控制措施整合时提供生物抵抗。因此，潜水耐受水稻的杂草控制耐用于氟磺砜 - 甲基0.06 +预甲醚0.6kg /公顷，可以作为季风移植稻作物的有效杂草控制程序。

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