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Journal of the Department of Agriculture, Western Australia, Series 4

Authors

S C. Chambers

Keywords

Wheat, Gaeumannomyces graminis, Rotations, Trifolium subterraneum, Oats, Ley farming, Western Australia

First Page Number

299

Last Page Number

302

Abstract

The role of oats in relation to root diseases of wheat was examined at four of the State Wheat Research Stations.

Several recognised pathogenic organisms were isolated in the course of the investigation, the most important being Ophiobolus graminis, which is the cause of "take-all."

Results suggest that one year under oats after clover ley is sufficient to reduce the incidence of take-all, except when seasonal conditions are extremely favourable to the disease.

In areas where take-all is a problem, wheat planted after a first crop of oats can sometimes give a higher yield than a first crop of wheat.

In this experiment, wheat as a first crop only gave the highest yield when the incidence of take-all was negligible.

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