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贵州省稻飞虱天敌种群调查 被引量:2

INVESTIGATION ON POPULATION OF NATURAL ENEMY OF RICE PLANTHOPPER IN GUIZHOU
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摘要 通过1992~1993年在我省12个县14个点对稻飞虱天敌种群调查及作者多年对稻田捕食性天敌研究,初步鉴定出天敌122种,隶属于30科。天敌数量总是随着水稻的生长,稻飞虱的增加而增加,在稻田里起着长期捅食飞虱的作用。 The natural enemies of rice planthopper have been preliminarily identified and divided into 122species of 30 families through the investigation conducted in 14 sites of 12 counties in Guizhouprovince form 1992 to 1993,and the datum of the author's long study on the predacious enemyig the paddy field has also been used.The natural enemy quantity is inereasing along with therice growth and with the rice planthopper increase,and plays the role of restraining the planthopper to a certain degree in the paddy field.
出处 《贵州农业科学》 CAS 1995年第1期35-39,共5页 Guizhou Agricultural Sciences
关键词 稻飞虱 天敌 种群 捕食 贵州 natural enemy of rice planthopper population predacity
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