1、

The significantly negative relationship between female brachypterous rate and nymphal density in Zhejiang population showed a lower tolerance to high nymphal density of Zhejiang population than that of Guangxi and Yunnan populations.

广西和云南种群较能适应高密度环境,而浙江种群的适应性较差,其雌虫短翅率与若虫密度呈显著负相关。

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2、

The Zhejiang populations show low brachypterous ratios and have a negative correlation with nymphal density, belonging to the temperate type.

迁入地的浙江各种群属温带型,其雌虫短翅率低且与密度呈显著负相关;

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3、

The Philippine populations are almost brachypterous, however, the bracheypterous ratio of BPH males raise with the increase of nymphal density.

菲律宾热带种群雌虫在不同密度下均为短翅型,而雄虫的短翅率随密度增加而上升。

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