稻褐飞虱生物型鉴定

APPRAISAL OF BIOTYPES OF THE BROWN PLANTHOPPER, Nilaparvata lugens (stal)

本文采用苗期群体抗性鉴定和抗生性鉴定法,鉴定了四川省秀山县稻褐飞虱的生物型。结果表明,秀山县稻褐飞虱属生物型I。

The seedling bulk test and the antibiosis test have been used to examine the biotypes of the brown planthopper. The seedling bulk test is a popular method. Amount of honey dew is considered as a reliable index. The two methods combine and support each other. The results show that the Brown Planthopper, Nilaparvata lugens (stal), belongs to biotype Ⅰ in Xioushan county.