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首页> 外文期刊>Indian Journal of Weed Science >Control of herbicide resistant Phalaris minor by pyroxasulfone in wheat
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Control of herbicide resistant Phalaris minor by pyroxasulfone in wheat

机译：用聚辛砜在小麦中控制除草剂的耐药抗性

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Evolution of multiple herbicide resistance in Phalaris minor in wheat has resulted from the repeated use of herbicides with a similar mode of action which could threaten the sustainability of the rice-wheat cropping system in North-West India. In thiscontext, field studies were conducted at Research Farm, Department of Agronomy, Punjab Agricultural University, Ludhiana during 2011-12, 2012-13 and 2013-14 in randomized block design replicated four times and at fanner's field during 2016-17 and 2017-18 with the objective to evaluate the efficacy of herbicide with alternative mechanism of action for the control of resistant P. minor in wheat. The treatments included pyroxasulfone 85, 102, 127.5 g/ha, pendimethalin 750 g/ha as pre-emergence (PE), sulfosulfuron 25 g/ha, clodinafop 60 g/ha as post-emergence (PoE) and unsprayed control. However, the treatments during 2013-14 included pyroxasulfone 85, 102, 127.5 g/ha, pendimethalin 750 g/ha and unsprayed control with pendimethalin 1125 g/ha as PE at farmers' field instead of pendimethalin 750 g/ha. The results indicated that pyroxasulfone at 127.5 g/ha recorded effective control of P. minor and its biomass and gave the highest wheat grain yield (4.87, 4.80 and 5.43 t/ha) during 2011-12, 2012-13 and 2013-14, respectively. At farmer's field-, pyroxasulfone 127.5 g/ha has been found effective against the resistant populations of Phalaris with 5.37 and 5.42 t/ha grain yield. The current study demonstrated that PE application of pyroxasulfone at 127.5 g/ ha would be a suitable option for the control of resistant populations of Phalaris in wheat in Punjab.
机译：在小麦中，在小麦中轻微除草剂抗性的进化是由重复使用除草剂，其具有类似的行动模式，这可能会威胁到印度西北部的米饭种植系统的可持续性。在此，在2011-12,2012-13和2013-14期间在卢迪亚纳，距离随机块设计中的卢迪亚纳研究农场，在2016 - 12年和2017年和2017年的粉丝现场进行了研究生18目的是评价除草剂的疗效，以替代的作用机制，用于控制小麦的抗性P.Minor。该处理包括聚碳丁砜85,102,127.5g / ha，Pendimethalin 750 g / ha作为出苗前（pe），磺核糖磺隆25g / ha，Clodinafop 60 g / ha作为出苗后（poe）和未喷雾的对照。然而，在2013-14期间的治疗包括聚辛砜85,102,127.5g / ha，Pendimethalin 750g / ha，与Pendimethalin 1125 g / ha的未喷雾对照作为在农民领域的PE，而不是Pendimethalin 750 g / ha。结果表明，127.5克/公顷的聚辛砜记录了对次要的次要药物及其生物质的有效控制，并在2011-12,2012-13和2013-14期间给出了最高的小麦籽粒产量（4.87,4.80和5.43 T / HA），分别。在农民的田间 - ，已经发现含有5.37和5.42 T / HA籽粒产量的耐抗鸬鹚的抗性群体。 The current study demonstrated that PE application of pyroxasulfone at 127.5 g/ ha would be a suitable option for the control of resistant populations of Phalaris in wheat in Punjab.

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