PPQ

 

Plant Protection Quarterly

 
Volume 13 Issue 3, 1998

 

Contents

 

Research reports

Effect of herbicides on seedhead production and control of serrated tussock (Nassella trichotoma (Nees) Arech.).

M.H. Campbell, L.G. Miller and H.I. Nicol.  Abstract

106

Tolerance to herbicides of ground cover species for New Zealand orchards.

K.C. Harrington and A. Rahman.  Abstract

111

Weed seedbank estimation, spatial distribution, decline and potential for predicting future weed populations.

A. Rahman, T.K. James, G. Bourdôt and N. Grbavac.  Abstract

117

Weed invasion of the tropical Mackay coast, Queensland, Australia.

George N. Batianoff and Andrew J. Franks.  Abstract

123

Mechanical defoliation as a management tool for kyllinga (Cyperus brevifolius) in irrigated pasture.

F.L.F. Henskens.  Abstract

131

Effect of abamectin on citrus rust mite Phyllocoptruta oleivora and brown citrus rust mite Tegolophus australis and the scale natural enemies Aphytis lingnanensis and Chilocorus circumdatus on oranges.

D. Smith, N.J. Smith and K.M. Smith.  Abstract

136

Effects of water stress, shading and clipping on growth and development of Asystasia gangetica.

Ismail B. Sahid and A. Shukor Juraimi.  Abstract

140

Tolerance to soil type of pink ground pearl Eumargarodes laingi Jakubski (Hemiptera: Margarodidae) on sugarcane.

B.C. Dominiak, N.G. McGill, and P.G. Allsopp.  Abstract

143

Mapping blackberry thickets in the Kosciuszko National Park using airborne video data.

Paul Frazier.  Abstract

145