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二代白背飞虱对粳稻的危害及其防治指标张夕林张治张谷丰张建明朱明华（江苏省通州市植保站，通州２２６３００）ＴＨＥＤＡＭＡＧＥＡＮＤＡＣＴＩＯＮＴＨＲＥＳＨＯＬＤＯＦＳＥＣＯＮＤＧＥＮＥＲＡＴＩＯＮＯＦＷＨＩＴＥ┐ＢＡＣＫＥＤＰＬＡＮＴＨＯＰＰＥＲＯＮ...
The second generation of whitebacked planthopper on japonica damage and its control index 夕 Zhang Xi Lin Zhang Zhi Zhang Gufeng Zhang Jianming Zhu Minghua (Tongzhou City, Jiangsu Province Plant Protection Station, Tongzhou 226300) THEDAMAGEANDACTIONTHRESHOLDOFSECONDGENERATIONOFWHITE┐BACKEDPLANTHOPPERON ...