| 上海地区棉蚜生活型的分化及其对为害的影响 |
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| 引用本文： | 顾启明.上海地区棉蚜生活型的分化及其对为害的影响[J].上海交通大学学报(农业科学版),1993(2). |
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| 作者姓名： | 顾启明 |
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| 作者单位： | 上海农学院园林环境科学系 上海 |
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| 摘 要： | 本文研究结果表明,本地棉蚜除在木槿等植物上产卵越冬外,还能在大棚内,甚至在露地某些植物上以孤雌胎生方式繁殖为害,并成为第二年的早期虫源。研究中还对性蚜分化的原因提出了新的看法:即性蚜分化的主要原因是寄主种类,其次才是温度和光照周期的改变,性分化主要发生在冬寄主上。
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| 关 键 词： | 棉蚜 生活型 性分化 |
THE DIFFERENTIATION OF THE LIFE FORM OF COTTON APHIDS AND INFLUENCE OF INJURY IN SHANGHAI |
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| Gu Qiming.THE DIFFERENTIATION OF THE LIFE FORM OF COTTON APHIDS AND INFLUENCE OF INJURY IN SHANGHAI[J].Journal of Shanghai Jiaotong University (Agricultural Science),1993(2). |
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| Authors: | Gu Qiming |
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| Abstract: | The results of this paper showed that cotton aphids could only oviposit and overwinter, but also do their parthenogentic reproduction to injure the winter crop in greenhouse or even in the open fields. They are the initial sourcc of aphids next year. The study also suggested some new ideas about differentiation of sexuale. The main reason is the kinds of winter hosts, and secondly, it is the change of light intensity and temperature. So the differentiation of sexuales occures mainly on the winter host plants. |
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| Keywords: | Cotton aphids Life style Sexual differentiation |
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