Tropical Grasslands (1982) Volume 16, 155–156

PERSISTENCE OF JOINTVETCH (AESCHYNOMENE FALCATA) IN EXPERIMENTAL SOWINGS IN THE AUSTRALIAN SUBTROPICS

G.P.M. WILSON1, R.M. JONES2 and B.G. COOK3

1N.S.W. Department of Agriculture Research Station, Grafton, N.S.W. 2460;
2CSIRO Division of Tropical Crops and Pastures, Cunningham Laboratory, Carmody Rd., St Lucia, Qld 4067;
3Queensland Department of Primary Industries, Gympie, Qld 4570.

Abstract

A survey of 50 old field evaluation experiments in coastal northern New South Wales and southern Queensland revealed that Aeschynomene falcata cv. Bargoo had persisted in all these experiments and had usually spread from the original plots. Seed reserves of Bargoo in the topsoil at six of these sites averaged 4000 m-2 (range 1150 to 7560). These levels are high for a pasture legume that is a perennial.

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