LABORATORY STUDIES ON THE EFFICACY OF NUCLEAR POLYHEDROSIS-VIRUS AGAINST HELIOTHIS-ARMIGERA (HBN) ON SOME COTTON CULTIVARS

被引：2

作者：

DHANDAPANI, N

JAYARAJ, S

RABINDRA, RJ

机构：

[1] Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore

来源：

ANZEIGER FUR SCHADLINGSKUNDE PFLANZENSCHUTZ UMWELTSCHUTZ | 1993年 / 66卷 / 05期

关键词：

D O I：

10.1007/BF01906819

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Mortality of Heliothis armigera (Hbn.) larvae due to nuclear polyhedrosis virus (NPV) was significantly higher on Gossypium barbadense (cv. DCH 32) than on G. hirsutum (cv. LRA 5166) and G. arboreum (cv. K 10). A positive correlation existed between leaf area consumed and NPV mortality of the larvae. Among the three dosages of NPV tested, 2.16 x 10(8) polyhedral occlusion bodies (POB)/ml as ultra low volume application caused the maximum larval mortality. Probit analysis of time mortality responses showed that the LT50 was lower on G. barbadense than on other two species tested.

引用

页码：96 / 100

页数：5

共 14 条

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