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《Acta Agriculturae Shanghai》 1985-04
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A STUDY ON THE OCCURRENCE AND CONTROL OF SACCHAROSYDNE PROCERUS (MATSUMURA) IN SHANGHAI SUBURBS

Wang Ju-ming;Wang Jiang-hao;Gu Yian-zhen, (Plant Protection Institute, Shanghai Academy of Agricultural Sciences)  
Abstract The Green slender planthopper, Saccharosydne procerus (Matsumura), is one of the most important insect pest injured the wild rice (Zizania caduciflora). There are four generations a year in Shanghai suburbs. The second generation is mainly impact one the autumn wild rice is severely damaged. Based on our observation, the host plant of the green slender planthopper is only of the wild rice. It is overwinterings with the diapaused egg in the third degree (yellow spot stage) The diapaused eggs located in the withered leaf sheath and leaf blade and belong the midrib of the wild rice. There is a hexagonal waxy pattern on the surface of the diapaused egg which lasts about 148 days. The fluctuation of population in fields is closely related to the nutrition of the host plant and the climate. A hyme- nopterous parasites was found. It is a effective naturl enemy of the Green slender planthopper. The results of the tests in laboratory and field indicated that manageing the withered straws of wild rice and spraying 30 EC Accphote (1:1000) at 100kg of the solution per mou could get a very successful control.
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