Full Text
(39 K)

Biological Control of Aphids

Don Steinkraus


The fungus, Neozygites fresenii, is a valuable natural enemy of the cotton aphid, Aphis gossypii. This fungus has caused epizootics each year since 1988 throughout cotton growing areas in the mid-South and Southeast. In many cases the fungus reduces high aphid populations to below economic thresholds. The fungus has a complex life cycle precisely coordinated with periods of high relative humidity. Aerial spores in cotton fields are important in the rapid transmission of the fungus throughout a field. Regular scouting of cotton fields and accurate diagnosis of the fungus can lead to less reliance on chemicals for aphid control.

Reprinted from Proceedings of the 1996 Beltwide Cotton Conferences pp. 108 - 111
©National Cotton Council, Memphis TN

[Main TOC] | [TOC] | [TOC by Section] | [Search] | [Help]
Previous Page [Previous] [Next] Next Page
Document last modified Sunday, Dec 6 1998