PPQ

 

Plant Protection Quarterly

 
Volume 6 Issue 2, 1991

 

Contents

 

Editorial

54

1990 CAWSS Oration

Weed control in pastures - are we winning?

M.H. Campbell.

55

Research reports

Insecticidal control of mango planthopper Colgaroides acuminata (Walker) - (Hemiptera: Flatidae) in North Queensland.

J.D. Brown.

64

Development of Australian passionfruit hybrids to improve quality and disease tolerance.

R.D. Fitzell, C.M. Peak, D. Peasley and G. Cox.

65

Host range studies with the Lantana mealybug (Phenacoccus parvus Morrison).

J.T. Swarbrick and J.F. Donaldson.

68

Some factors affecting the germination of achenes of Onopordum illyricum L.

M.H. Campbell, W.J. Nielsen and H.I. Nicol.

70

Preliminary observations on the seed dynamics of broom (Cytisus scoparius) at Barrington Tops, New South Wales.

J.M.B. Smith and R.L. Harlen.

73

An evaluation of chemical and physical treatments to prevent Fuller’s rose weevil oviposition on citrus fruit.

David G. James.

79

Distribution of skeleton weed (Chondrilla juncea L) biotypes in Victoria.

Rosamond C. H. Shepherd.

82