Plant Protection Quarterly
for information on weeds and their management

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Individual copies of these papers may be ordered from WEED INFORMATION. Price $16.50 per paper including GST. Payment may be made by credit card. Papers will be supplied by email as PDF files.

Volume 6 Number 2, 1991

Editorial

54

1990 C.A.W.S.S. 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

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