Volume 11 Number 3, 1996

Herbicides or poisons? Seminar

Toxicology of plants. Neil D. Hallam.

90

Residues and risks. Professor J.G. McLean.

94

Assuring health and environmental safety of herbicides. Marion J. Sheers.

96

Regulatory perspectives of agricultural chemicals. Dr. Brian Priestly.

97

Herbicides or poisons? Jason Alexandra.

98

Community attitudes to agrochemicals. Graeme O'Neill.

101

Review

The Biology of Australian Weeds. 28. Cytisus scoparius (L.) Link subsp. scoparius. J.R. Hosking, J.M.B. Smith and A.W. Sheppard.

102

Research reports

Competition between red sprangletop (Leptochloa chinensis) and rice (Oryza sativa) under different nitrogen levels. Hamdan Pane and Mashhor Mansor.

109

Recent developments in weed control research in wheat V.N. Saraswat and J.S. Mishra.

114

Activity of a hydramethylnon-based bait against the citrus ant pests, Iridomyrmex rufoniger gp. spp. and I. purpureus. David G. James, Mark M. Stevens, Karen O’Malley and Renay Heffer.

122

Tree sprays and root pruning fail to control rain induced cracking of sweet cherries. W. Koffmann, N.L. Wade, and H. Nicol.

126

Book reviews

131