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首页> 外文期刊>Crop Protection >Pyrithiobac reduces control of green foxtail (Setaria viridis) and bristly foxtail (Setaria verticillata) by propaquizafop.
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Pyrithiobac reduces control of green foxtail (Setaria viridis) and bristly foxtail (Setaria verticillata) by propaquizafop.

机译：吡硫杆菌减少了propaquizafop对绿色狐尾（ Setaria viridis ）和刚毛的狐尾（ Setaria verticillata ）的控制。

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摘要

Experiments were conducted to evaluate potential interactions between propaquizafop and pyrithiobac applied in mixture or in sequential applications on green foxtail (Setaria viridis) and bristly foxtail (Setaria verticillata). The effect of propaquizafop application rate and the effect of ammonium sulphate were also evaluated. Propaquizafop (75-150 g ai/ha) applied alone at the five- to six-leaf growth stage provided 86-99% control of green foxtail and 92-100% control of bristly foxtail. Mixtures of propaquizafop with pyrithiobac applied at the same growth stage provided lower control of green foxtail and bristly foxtail by 27-33% and 17-22%, respectively, compared with propaquizafop applied alone. Increased rates of propaquizafop in the mixtures or the addition of ammonium sulphate did not eliminate the observed reduced control of both species with the mixture of pyrithiobac. Sequential applications where pyrithiobac was applied three days or one day before the application of propaquizafop also showed lower control of both species compared with propaquizafop applied alone. However, sequential applications where pyrithiobac was applied three days or one day after the application of propaquizafop showed more effective control of both species compared with the mixture and equal control to that achieved with propaquizafop applied alone.
机译：进行了实验，以评估在绿狐尾草（Seti viridis）和刚硬的狐尾草（setaria verticillata）上混合使用或依次施用的丙草胺和吡硫硫杆菌之间的潜在相互作用。还评估了propaquizafop施用量的影响和硫酸铵的影响。在五叶至六叶生长期单独施用的丙草脲（75-150 g ai / ha）可控制86-99％的绿色狐尾和92-100％的刚毛的狐尾。与单独施用的丙草脲相比，在相同的生长阶段施用的丙草胺与吡硫噻唑的混合物分别提供了较低的绿色草尾和硬尾草控制，分别为27-33％和17-22％。混合物中propaquizafop的速率增加或添加硫酸铵并不能消除使用吡硫唑的混合物对两种物质的控制减少。与单独施用普萘卡普相比，在施用普萘卡普普之前三天或一天施用吡硫杆菌的顺序施用也显示出对两种物种的控制较低。但是，比起混合物，连续施用硫吡菌酯后三天或一天施用吡虫啉显示出对这两种物质的更有效控制，并且与单独施用丙硫磷的效果相当。

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