The results showed that the spatial patterns of the larvas of the pest in tobacco bed and field were aggregative, and the distribution unit of the pest was an aggregated colony.

 
  • 結果表明 ,該幼蟲(chóng)在煙草苗床和大田中均屬聚集性分布 ,分布的基本成分為個(gè)體群 ;
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