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

Article Title

Seed dormancy in annual ryegrass

Keywords

Lolium rigidum, Seed dormancy

First Page Number

193

Last Page Number

194

Abstract

Annual ryegrasses are valuable pasture plants in Western Australia, but they are also often a major crop weed problem compared with other annual grasses such as barley, silver and brome grasses.

Crops are often choked with annual ryegrass despite the most thorough pre-seeding cultivation.

Reasons for the different behaviour of annual grasses after cultivation are associated with dormant seeds, and the effects of temperature and light on the rate and speed of germination. These factors are being investigatinvestigated in a laboratory and field research study being conducted.

Erratum

Found in previous article. Grape guards prove their worth Department of Agriculture, Western Australia Vol 14 No 2 Page 189

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