| 王植杏;王华弟;陈桂华;诸葛梓;童彩文.筛豆龟蝽发生规律及防治研究[J].植物保护,1996,22(3):7-9. |
| 筛豆龟蝽发生规律及防治研究 |
| Occurrence and Control of Megacopta cribraria (Fabricius) on Soybean |
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| DOI： |
| 中文关键词: 筛豆龟蝽,发生规律,防治 |
| 英文关键词:Megacopta cribraria, occurrence, control |
| 基金项目: |
| 王植杏;王华弟;陈桂华;诸葛梓;童彩文 |
| 浙江省植保总站 杭州 310004;浙江省金华市植保站 |
| 摘要点击次数: 652 |
| 全文下载次数: 688 |
| 中文摘要: |
| 筛豆龟蝽是浙江大豆上的主要害虫，年发生３代，６月中旬、８月中旬、９月下旬为主害期。春、夏大豆虫口密度分别在６～８２头／穴和５～６０头／穴时，大豆产量损失率为２．５９％～５０．８６％、０．５５％～３０．０６％。防治宜于若虫２～３龄高峰期，防治指标春大豆为８头／穴，夏大豆１１头／穴，药剂以敌杀死为佳 |
| 英文摘要: |
| Megacopta cribraria (Fabricius) was a main pest on soybean in Zhejiang Province It occurred three generations each year and the peak period of occurrence was in middle June, middle August and later September The yield loss rate of spring and summer crops of soybean varied from 2 59% to 50 55% and 0 55% to 30 06% when the pest density reached from 6 to 82 and 5 to 60 per bunch, respectively Megacopta cribraria at the second and third instar could be controled by deltamethrin when pest density reached 8 larvae per bunch on spring crop of soybean, and 11 per bunch on summer crop of soybean respectively |
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