PPQ

 

Plant Protection Quarterly

 
Volume 6 Issue 4, 1991

 

Contents

 

Invited editorial

National workshop on redlegged earth mite, lucerne flea and blue oat mite.

T.J. Ridsdill-Smith.

158

National workshop on redlegged earth mite, lucerne flea and blue oat mite. Edited by T.J. Ridsdill-Smith.

Biology and ecology of redlegged earth mite, blue oat mite and lucerne flea.

T.J. Ridsdill-Smith.

159

Taxonomic background of the redlegged earth mite Halotydeus destructor (Tucker) (Acarina: Penthaleidae).

R.B. Halliday.

162

Damage caused by mites and fleas in pastures.

D.C. Hopkins and P.D. Taverner.

166

A contribution to assessing the economic impact of redlegged earth mite on agricultural production in Australia.

T.J. Ridsdill-Smith.

168

Identification of resistance to redlegged earth mite (Halotydeus destructor) in pasture legumes.

D.J. Gillespie.

170

Pathogens for the biological control of mite and Collembolan pests.

Andrew C. Rath.

172

The potential of entomopathogens for the control of mites and springtails in Australian pastures.

Peter D. Christian, David, J. Dall and John G. Oakeshott.

175

A review of the predators of redlegged earth mite, blue oat mite and lucerne flea.

P.J. Michael, M.E. Dutch and C.J. Pekin.

178

Systematics and biology of a predatory mite (Anystis sp.) introduced into Australia for biological control of redlegged earth mite.

J.C. Otto and R.B. Halliday.

181

The commercial use of predators in biological control.

Richard Llewellyn.

186

Research reports

Effect of Bordeaux mixture sprays applied after flowering on fruit finish of apricot.

W.S.Washington.

188

Purity study of imported leguminous cover crops.

Arifin Tasrif, Ismail B. Sahid, S.S. Sastroutomo and A. Latiff.

190

Retention of aphid resistance during the commercialization of lucerne (Medicago sativa L.) cv. Nova.

R.H. Holtkamp and A.D. Clift

194

Technical notes

Toxicity of neem oil against leaf miner (Liromyza trifolii Burgess) on cucumber.

K.M. Azam.

196

A comparison of hand-operated pesticide sprayers for the control of groundnut pests in India.

N.K. Awadhwal, G.V. Ranga Rao, J.A. Wightman, D. McDonald and T. Takenaga.

197