Oviposition behaviour of spotted bollworm, Earias vittella Fab. on some cotton genotypes

Sharma, H C and Agarwal, R A (1983) Oviposition behaviour of spotted bollworm, Earias vittella Fab. on some cotton genotypes. International Journal of Tropical Insect Science, 4 (4). pp. 373-376. ISSN 0191-9040

[img] PDF - Published Version
Restricted to ICRISAT users only

Download (122kB) | Request a copy

Abstract

The oviposition behaviour of spotted bollworm, Earias vittella Fab. was studied on 23 cotton genotypes under field and laboratory conditions. There were substantial differences in the number of eggs laid on different genotypes. More eggs were deposited on the bolls compared to leaves and squares. The relative oviposition preference differed under the field and laboratory conditions in the case of some genotypes. Leaf hairiness was significantly and positively correlated with number of eggs laid both under field and laboratory conditions. The effect of oviposition on varietal susceptibility appeared to be modified through other factors, such as gossypol and tannins. However, oviposition non-preference was one of the important resistance mechanisms in some cotton genotypes.

Item Type: Article
Divisions: UNSPECIFIED
CRPS: UNSPECIFIED
Uncontrolled Keywords: Oviposition behaviour; Spotted bollworm; Cotton bolls; Squares; Host plant resistance
Subjects: Others > Genetics and Genomics
Depositing User: Mr B K Murthy
Date Deposited: 18 Sep 2015 04:41
Last Modified: 18 Sep 2015 04:41
URI: http://oar.icrisat.org/id/eprint/8960
Official URL: http://dx.doi.org/10.1017/S1742758400002411
Projects: UNSPECIFIED
Funders: UNSPECIFIED
Acknowledgement: UNSPECIFIED
Links:

Actions (login required)

View Item View Item