当前位置: 首页 > 文章 > 玉米田桃蛀螟越冬幼虫空间分布型的研究 山东农业大学学报(自然科学版) 2004,35 (4) 65-68
Position: Home > Articles > STUDIES ON THE SPATIAL DISTRIBUTION PATTERN OF OVERWINTERING LARVAE OF DICHOCROCIS NCTIFERALIS GUENEE IN THE CORN FIELD Journal of Shandong Agricultural University(Natural Science Edition) 2004,35 (4) 65-68

玉米田桃蛀螟越冬幼虫空间分布型的研究

作  者:
周洪旭;乔晓明;孙立宁;顾颂东;郑伯平;赵春生
单  位:
莱阳农学院植保系;莱阳市农业局;莱阳市种子公司
关键词:
桃蛀螟;空间分布型;聚集度指标;玉米田
摘  要:
应用聚集度指标检验、线形回归方程检验和比较频次法 ,研究探讨了桃蛀螟越冬幼虫的空间分布型。结果表明 ,该害虫在玉米田呈聚集型的负二项分布 ,这种聚集主要由环境因素引起。在回归分析检验中 ,3种回归模型的拟合效果良好 ,尤以Talor(1 96 1 )幂法则最优。
译  名:
STUDIES ON THE SPATIAL DISTRIBUTION PATTERN OF OVERWINTERING LARVAE OF DICHOCROCIS NCTIFERALIS GUENEE IN THE CORN FIELD
作  者:
ZHOU Hong-xu1, QIAO Xiao-ming2, SUN Li-ningj,GU Song-dong1,ZHENG Bai-ping1,ZHAO Chun-sheng3(1.Dept. of Plant protection, LAC, Laiyang, 265200, China; 2.Laiyang Agricultural Bureau,Laiyang 265200, China;3. Laiyang Seed Company, Laiyang 265200, China)
关键词:
Dichocrocis punctiferalis Guenee, spatial distribution pattern, aggregation indices,corn field
摘  要:
The spatial distribution pattern of overwintering larvae of Dichocrocis punctiferalis Guenee was examined by the aggregation indices, liner regression analysis and methods of comparative frequency. The results showed that its spatial distribution pattern fitted a negative binomial distribution and belonged to the aggregated distribution. The aggregation was caused by the environmental factors. Among the regression analysis, the liner related degree of Talor regression model was the optimum while the other two models also fitted well.

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