COMPARATIVE INJURIOUSNESS OF BUSSEOLA-FUSCA (LEPIDOPTERA, NOCTUIDAE) AND CHILO-PARTELLUS (LEPIDOPTERA, PYRALIDAE) ON GRAIN-SORGHUM

被引：31

作者：

VANDENBERG, J ^{[1
]}

VANRENSBURG, JBJ ^{[1
]}

PRINGLE, KL ^{[1
]}

机构：

[1] UNIV STELLENBOSCH,DEPT ENTOMOL & NEMATOL,STELLENBOSCH 7600,SOUTH AFRICA

来源：

BULLETIN OF ENTOMOLOGICAL RESEARCH | 1991年 / 81卷 / 02期

关键词：

D O I：

10.1017/S0007485300051191

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The comparative influence of Busseola fusca (Fuller) and Chilo partellus (Swinhoe), both as separate and mixed populations, on growth and yield of grain sorghum was investigated in a field experiment, using an artificial infestation in cages. C. partellus was more injurious than B. fusca as indicated by whorl damage, stalk injury and yield loss. In the case of mixed populations, dispersion of larvae and damage were independent of B. fusca numbers. A regression equation, Logit Y = 0.24 + 2.06 logit x, relating visible plant damage to yield loss was determined. Control strategies in the case of mixed stem borer populations should be directed against C. partellus.

引用

页码：137 / 142

页数：6

共 14 条

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