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作 者:于晓波 梁建秋 吴海英 张明荣 Yu Xiaobo;Liang Jianqiu;Wu Haiying;Zhang Mingrong(Nanchong Insitute of Agriculture Science,Nanchong 63700,Sichuan,China)
出 处:《大豆科技》2021年第3期10-14,共5页Soybean Science & Technology
基 金:财政部和农业农村部:国家现代农业产业技术体系资助;国家现代农业产业技术体系四川省豆类杂粮创新团队(SCCXTD-2020-21);农业部川渝薯类与大豆科学观测实验站支持资助。
摘 要:为研究黄色粘虫板对玉米间作大豆模式下大豆虫害防控效果,分析不同挂放时间和高度下各类虫害对大豆茎秆、叶片和籽粒的危害程度,为间作大豆虫害绿色防控提供依据。结果表明:苗期挂放粘虫板能显著降低豆秆黑潜蝇的危害率,且防控效果随着挂放时间的推迟而下降,分层挂放的效果优于同一高度;苗期挂放粘虫板后盛花期大豆受损叶片面积比例(4.02%~4.63%)显著低于分枝期挂放(4.81%~7.29%),但与CK的差异未达显著水平,不同挂放方式间也无显著差异;盛花期蚜虫防控效果表现为苗期挂放显著高于分枝期挂放,但盛荚期不同时间挂放无显著差异;苗期分层挂放粘虫板防控害虫可使大豆产量提高10.03%~13.20%。可见,黄色粘虫板能够有效防控间作大豆的豆秆黑潜蝇和蚜虫,且分层挂放的防控效果较好,但对食叶和蛀荚害虫则无显著影响,苗期挂放黄色粘虫板可显著提高间作大豆产量。In order to study the control effect of yellow sticky traps in intercropping soybean,the damage degree of various pests on soybean stems,leaves and seeds were investigated with different hanging time and height.The results showed that damage rate of Liriomyza sativae decreased significantly when yellow sticky traps were hanged at seedling stage,and the control effect decreased with the delay of hanging time,while the control effect of different height of yellow sticky traps was better than that of the same height.At the blooming stage,the percentage of damaged leaf area(4.02%-4.63%)hanged at seedling stage was significantly lower than that of branching stage(4.81%-7.29%),but there was no significant difference with CK.There was no difference of different hanging time.At the blooming stage,the control effect of aphids hanged at seedling stage was significantly higher than that of branching stage,but there was no significant difference at podding stage.Yellow sticky traps can effectively control Liriomyza sativae and aphid in intercropping soybean,and the control effect of layering at seedling stage was better than other treatment.But it has no significant effect on leaf-eating pests and pod borer.
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