小菜蛾幼虫空间格局的地统计学分析
Geostatistical analysis on spatial patterns of Plutella xylostella larvae.
高书晶;庞保平;史丽;伊卫东
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作者单位：内蒙古农业大学农学院,呼和浩特010019
中文关键词：小菜蛾;空间格局;地统计学
英文关键词：Plutella xylostella;spatial pattern; geostatistics
中文摘要：应用地统计学方法分析了小菜蛾Plutellaxylostella (L .)幼虫空间格局 ,建立了东西和南北 2个方向上多个半变异函数曲线模型。结果表明 ,在菜花 (Brassicaolenaceavar.botrylis)和早甘蓝 (Brassisaoleracea)地中小菜蛾幼虫种群的半变异函数曲线皆为球形 ,
英文摘要：Geostatistical methods were applied to study the spatial patterns of Plutella xylostella L. larvae in the field,and semivariogram curve models were established in two directions of north-south and west-east.The results showed that the semivariogram