Genetic diversity in natural populations of Greenbug, Schizaphis graminum (Rondani) /

Insects often develop new virulent biotypes. It is estimated that 50% of recognized insect biotypes on agricultural crops are of the family Aphididae. Development of biotypes in greenbug, Schizaphis graminum (Rondani), is well documented. Characterizing the extent and distribution of genetic vari...

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Bibliographic Details

Main Author:	Jensen, Andrea Barham
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 2001.
Subjects:	Major entomology.
Online Access:	http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=725921631&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD