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

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

Manylion Llyfryddiaeth
Prif Awdur: 432490 Brahim, Noureddine
Fformat:
Pynciau:
Agriculture
Wheat
Winter wheat
Cereal products

Eitemau Tebyg