首页> 中文期刊> 《辽宁农业科学》 >几种除草剂对绿豆田杂草的防治效果及绿豆病害影响的研究

几种除草剂对绿豆田杂草的防治效果及绿豆病害影响的研究

         

摘要

Mung bean (Vigna radiata)is an important grain,vegetables and medicinal crops,nutritional and medicinal value are both high.It plays an important role in the adjustment of planting structure and optimiza-tion of planting pattern.In this study,10 herbicide combinations were applied for controlling weeds in the mung bean field,the effect was compared among 10 different combinations in order to discover the suitable weed-controlling method for Liaoning province.The results showed that No.4 combination (fomesafen and high -flurbiprofen diclofop),No.5 combination (sethoxydim and fomesafen)and No.10 combination (quiza-lofop and fomesafen)had the best controlling effect,percentage of controlling effects were 92.3%,95.5%and 93.5%,respectively.Among these,No.10 combination showed highest hectare yield of 1326.9 kg.In addition,No.1 combination (metolachlor and fomesafen),No.5 combination (sethoxydim and fomesafen) and No.1 1 combination (quizalofop and fluoroglycofen)also played a role in controlling diseases in mung bean field.No.1 1 combination showed best effect,and the disease scores of Cercospora leaf spot and bacterial blight of mung bean were only 3.2 and 4.2,respectively.In this study,we analyzed the effects of 10 different herbicide combinations on the weed-controlling,yield per hectare and disease controlling in the field of mung bean in order to provide technical guidline for weed-controlling in Liaoning province.%绿豆(Vigna radiata)是重要的粮食、蔬菜和药用作物,营养价值和药用价值均很高,在农业种植结构调整和种植模式的优化中具有重要的作用。研究通过10种除草剂组合防除绿豆田杂草,比较不同组合间杂草防除效果的差异,筛选出适用于辽宁地区的杂草防除方法。结果表明,除草效果最好的是4号组合(氟磺胺草醚高效氟吡甲禾草灵苗后喷雾),5号组合(拿捕净氟磺胺草醚苗后喷雾)和10号组合(精喹禾灵、氟磺胺草醚苗后喷雾),防治效果分别为92.3%、95.5%和93.5%,其中产量最高的是10号组合,产量为1326.9 kg /hm2。此外,1号组合(异丙甲草胺氟磺胺草醚播后苗前喷雾)、5号组合(拿捕净氟磺胺草醚苗后喷雾)和11号组合(精喹禾灵、乙羧氟草醚苗后喷雾)还能有效对绿豆田间病害起到一定的防治作用,其中 11号组合的防治效果最好,绿豆尾孢菌叶斑病和细菌性疫病的发病级别分别仅为3.2和4.2。研究通过分析10种不同除草剂组合对绿豆田间杂草的防治效果,对绿豆产量的影响以及田间常见病害的发病情况的影响,为辽宁地区绿豆田间草害的综合防治提供技术指导。

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