Die Russiese koringluis, Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae) : voorkoms, skadelikheid en ekonomiese drumpelwaardes vir chemiese bestryding in die Oos-Vrystaat
Date
1986
Authors
Du Toit, F
Journal Title
Journal ISSN
Volume Title
Publisher
Stellenbosch : Stellenbosch University
Abstract
Description
Proefskrif (Ph.D. Agric.) -- Universiteit van Stellenbosch, 1986.
Full text to be digitised and attached to bibliographic record.
Full text to be digitised and attached to bibliographic record.
Keywords
Russian wheat aphid, Wheat -- Diseases and pests -- South Africa -- Free State, Eastern, Dissertations -- Agriculture