Western Australia, Chemical weed control, Chemical trials, Doublegee, Doublegee control
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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.
Meadly, G R. W and Pearce, G A.
"Some chemical trials with doublegee,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 3
, Article 11.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture3/vol3/iss4/11