Weed information

Plant Protection Quarterly

Volume 7 Issue 1, 1992

Contents

Editorial

The science of weed control.

Jens C. Streibig.

Research reports

Seasonal abundance and distribution of Fuller’s rose weevil, Asynonychus cervinus (Boheman) (Coleoptera: Curculionidae) in Sunraysia citrus groves.

D.G. Madge, K. Clarke, G.A. Buchanan and B. Wilkins.

Comparative efficacy of trunk treatments for control of Fuller’s rose weevil, Asynonychus cervinus (Boheman) (Coleoptera: Curculionidae), on citrus.

R.D. Magarey, K. Clarke, D.G. Madge and G.A. Buchanan.

Control of redlegged earth mite Halotydeus destructor on bare earth.

David G. James and Karen J. O’Malley.

The significance of selection of infection model and climatic parameters on the operation and benefits of a primary apple scab warning service.

L.J. Penrose.

Insecticidal management of lucerne leafroller, Merophyas divulsana (Walker), (Lepidoptera: Tortricidae) on lucerne in Queensland.

R.J. Lloyd, B.A. Franzmann and P.D. Rossiter.

Manner of use of ethoprophos granules against the Childers canegrub Antitrogus parvulus Britton (Coleoptera: Scarabaeidae).

P.G. Allsopp, N.G. McGill and R.M. Bull.

Efficacy of fungicides for control of Phoma black stem and Pseudopeziza leaf spot, and the effects on herbage and seed production, in annual Medicago polymorpha var. brevispina.

Martin J. Barbetti.

Phytotoxicity of some organophosphate insecticides to onions and carrots during germination and emergence.

P.J. Sinclair, R.J. Neeson and P.A. Williams.

Comparison of application methods for chemical weed control in rice.

R.A. Raju and K. Anand Reddy.

Suitability of a new cultivar of perennial ryegrass as a host for the Argentine stem weevil (Listronotus bonariensis (Kuschel)).

S.C. Valentine, G. Caon, D.C. Hopkins, P.G. Allen and B.D. Bartsch.

Review

Mycorrhizal symbioses and plant health.

John F. Brown.

Technical notes

Effects of repeated application of pesticides on soil fungi in a Malaysian soil.

Ismail Sahid and Hasnah Mamat.