Determination of economic injury levels and economic threshodls of viruliferous cereal aphids on a winter and a spring wheat / [mikrofilem]

Thesis (PhD) - Purdue University, 1987

Bibliographische Detailangaben
1. Verfasser:	432490 Brahim, Noureddine
Format:
Schlagworte:	Agriculture Wheat Winter wheat Cereal products

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