| 湖南水稻白翅叶蝉的研究 |
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| 引用本文： | 雷惠质,曾伯钦.湖南水稻白翅叶蝉的研究[J].植物保护学报,1982,9(2):83-87. |
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| 作者姓名： | 雷惠质 曾伯钦 |
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| 作者单位： | 湖南省农科院植保所，湖南省农科院植保所 |
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| 摘 要： | 白翅叶蝉Erythroneura subrufa(Motschulsky)成虫与若虫均以刺吸口器刺进水稻叶片组织内吸取叶汁和叶绿素,被害初期,叶片上出现零星小白点,随后出现长短不一的点状白色斑条,受害严重的稻叶上满布白色斑纹,叶绿素丧失,叶片干萎。在稻叶蝉中除一点小叶蝉被害状出现小白点外,其他叶蝉为害水稻时,并不直接破坏叶绿素,亦不呈现白色斑纹,而是直接吸食叶液,使禾苗发黄而死。因而纠正了过去认为黑尾叶蝉、白翅叶蝉为害水稻后,都会造成叶片出现白色或褐色斑纹的报道。白翅叶蝉在湖南一年发生三代,在晚稻收割后以成虫迁向麦田、杂草等场所越冬,因其寿命很长,故长期不同世代交错。白翅叶蝉除为害水稻外,在初冬与早春还为害冬小麦。近年在湖南及我国南方部分稻区有回升趋势。
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STUDIES ON THE RICH WHITE-WINGED LEAFHOPPER IN HUNAN |
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| Lei Huizhi and Zeng Baiqin.STUDIES ON THE RICH WHITE-WINGED LEAFHOPPER IN HUNAN[J].Acta Phytophylacica Sinica,1982,9(2):83-87. |
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| Authors: | Lei Huizhi and Zeng Baiqin |
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| Institution: | Hunan Academy of Agricultural Sciences and Hunan Academy of Agricultural Sciences |
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| Abstract: | The rice white-winged leafhopper,Erythroneura subrufa(Motschulsky),is an important pest of rice in south China.It also makes damage to wheat in late autumn and early spring.In recent years,the insect population has had an increasing tendency in rice growing areas of south China. This pest pierces rice leaves and suck out the leaf juice and destroysthe chlorophyl.When rice leaves are seriously injured,many white streaksappear and the chlorophyl disappear and finally leaves dry up.Exceptthe blackunispotted leafhopper,all other leafhoppers can not cause riceleaves to show the symptom of small white spots. The rice white-winged leafhopper has 3 generations per year.Afterlate rice harvested,the adults move from poddy fields to wheat fields andweeds and later hibernate there. The population dynamic of the rice white-winged leafhopper is closelyrelated to weather,farming system and cultural practices. As to the chemical control of this pest,emphasis should be placedon the control of hibernating insects in wheat fields and nurseris of early and medium rice. |
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