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Journal of the Department of Agriculture, Western Australia, Series 3

Keywords

Western Australia, Chemical weed control, Chemical trials, Doublegee, Doublegee control

First Page Number

44

Last Page Number

49

Abstract

There is no more troublesome weed in Western Australia than doublegee. Besides its competitive and smothering: effect on crop and pasture, the spiny fruits penetrate the hoofs of stock causing: lameness. It is a quick-growing- annual which forms seeds at an early stage of growth and rapidly develops a strong tap-root. Dormant seeds will continue to germinate for a number of years and a succession of germinations often occur in the one season. The seedlings are capable of surviving adverse conditions and making rapid recovery.

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