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首页> 外文会议>Annual Conferenceof the New Zealand Plant Protection Society s >Fenoxaprop for control of yellow bristle grass in pasture and its efficacy on other C4 grasses
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Fenoxaprop for control of yellow bristle grass in pasture and its efficacy on other C4 grasses

机译：FENOXAPROP用于控制牧场的黄色刷毛草及其对其他C4草的疗效

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The efficacy of the herbicide fenoxaprop for control of yellow bristle grass (Setaria pumila) in pasture was evaluated in two field trials. Additionally, glasshouse experiments investigated its phytotoxicity on seven annual and four perennial C4 grassspecies. Results of the field trials showed good control of yellow bristle grass and consequently a very high (up to 98%) reduction in seed head production. Fenoxaprop had no measurable effect on clover yield but the removal of yellow bristle grass resulted in higher production of perennial ryegrass (Lolium perenne). Fenoxaprop killed all the annual C4 species tested, viz. yellow bristle grass, summer grass (Digitaria sanguinalis), witchgrass (Panicum capillare), smooth witchgrass (Panicum dichotomiflorum), barnyard grass (Echinochloa crus-galli), broom corn millet {Panicum miliaceum) and crowfoot grass (Eleusine indica), but was less effective on the perennial C4 grass species, viz. Indian doab (Cynodon dactylon), Kikuyu grass {Cenchrus clandestinus), Mercer grass (Paspalum distichum) and paspalum (Paspalum dilatatum).
机译：在两个现场试验中评估了除草剂FENOXAPROP与黄色刷毛草（SetariaPumila）控制的疗效。此外，Glasshouse实验将在七年和四个多年生C4基层上调查其植物毒性。现场试验结果显示出对黄色刷毛草的良好控制，因此种子头部生产的较高（高达98％）减少。 FENOXAPROP对三叶草产量没有可测量的影响，但除去黄色刷毛草导致多年生黑麦草（Lolium Perenne）的生产。 FENOXAPROP杀死了测试的所有年度C4种类的C4种。黄色刷毛草，夏天草（Digitaria sanguinalis），巫术（Panicum capillare），光滑的巫婆（Panicum dichotomflorum），稗草（echinochloa crus-galli），扫帚玉米小米{panicum miliaceum）和crowfoot草（Eleusine indica），但是对多年生C4草种，viz效果较低。印度斗尾（Cynodon Dactylon），kikuyu草{cenchrus clandestinus），Mercer Grass（Pashalum distichum）和Paspalum（Paspalum Dilatatum）。

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