Rice planthoppers is a kind of major rice pests at Hezhou City.In last decade, its large-occurring frequencies of main harm generation and hypo-harm generation have an aggravating tendency.
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- 摘要稻飞虱是贺州市水稻重要害虫之一,近十年来主害代大发生频率及次害代发生频率均有加重的趋势。