| 通扬地区豆野螟发生规律与测报防治技术 |
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| 引用本文： | 陈丽芳,祝树德,扬军,许美昌,陈云飞. 通扬地区豆野螟发生规律与测报防治技术[J]. 扬州大学学报(农业与生命科学版), 1991, 0(4) |
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| 作者姓名： | 陈丽芳 祝树德 扬军 许美昌 陈云飞 |
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| 作者单位： | Dept.of Plant Prot. Jiangsu Agricultural College Yangzhou 225001，Dept.of Plant Prot. Jiangsu Agricultural College Yangzhou 225001，Dept.of Plant Prot. Jiangsu Agricultural College Yangzhou 225001，南通郊区植检站，南通郊区植检站 |
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| 摘 要： | 豆野螟在江苏一年发生4～5代,主害代为第2、3代(7～8月)。低龄幼虫为害以花为主,3龄后以荚为主。第2、3代常温下历期为:卵2.5～4天,幼虫5.5～9.5天,预蛹1～2天,蛹5～16天,成虫3～14天。幼虫和蛹的发育起点温度分别为9.33℃、8.67℃,有效积温为137.48、172.22℃/天。过冷却点分别为-3～-5℃、-11～-13℃。幼虫在田间为聚集分布。防治指标花害率为20％,百花有虫10头,荚害率5％。
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| 关 键 词： | 豆野螟 发生规律 测报 防治 |
THE OCCURRENCE AND FORECASTING TECHNOLOGY OF LEGUME POD-BORE,MARCUA TESTULALIS GEYER IN NANTONG AND YANGZHOU |
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| CHEN li-fang,ZHU Shu-de,YANG Jun et al. Dept. of Plant Prot.,Jiangsu Agricultural College Yangzhou. THE OCCURRENCE AND FORECASTING TECHNOLOGY OF LEGUME POD-BORE,MARCUA TESTULALIS GEYER IN NANTONG AND YANGZHOU[J]. Journal of Yangzhou University(Agricultural and Life Science Edition), 1991, 0(4) |
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| Authors: | CHEN li-fang ZHU Shu-de YANG Jun et al. Dept. of Plant Prot. Jiangsu Agricultural College Yangzhou |
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| Affiliation: | CHEN li-fang,ZHU Shu-de,YANG Jun et al. Dept. of Plant Prot.,Jiangsu Agricultural College Yangzhou 225001 |
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| Abstract: | |
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| Keywords: | Maruca testulalis Gcycr Scasonal history Techmology or forccasting and control |
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