Proceedings of the NZ Weed and Pest Control Conference 42 (1989)

TopIntroduction
pdf Presidential address to the 41st Annual Conference
M.J. Hartley, pp. 13-14

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pdf NZ Weed and Pest Control Research Scholarship - Katrina McCallum
p. 14

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pdf Annual report 1988-89
A.J. Popay, p. 14

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TopKeynote Address
pdf Resource allocations for future weed control activities
J.H. Combellack, pp. 15-31

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TopPesticide Symposium
pdf The role of government research in achieving safe pest management
S.L. Goldson and R.P. Pottinger, pp. 32-34

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TopPasture Weeds
pdf Pasture tolerance to spring applications of the herbicide thiameturon-methyl
A. Rahman and P. Martin, pp. 35-38

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pdf Distribution and cross-tolerance of MCPA-tolerant nodding thistle
K.C. Harrington, pp. 39-42

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pdf Biological and economic effects of surfactant addition to MCPA for giant buttercup (Ranunculus acris) control
G.W. Bourdot, G.A. Hurrell and D.J. Saville, pp. 43-47

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pdf Establishment and seasonality of two ragwort feeding insects at Hanmer
H.M. Harman and P. Syrett, pp. 48-51

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pdf Introduction of the crown weevil (Trichosirocalus horridus) as an additional biocontrol agent against nodding thistle
C.T. Jessep, pp. 52-54

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TopPasture and Crop Pests
pdf Insecticidal control of arnyworm outbreaks on flood damaged pasture
R.H. Blank, N.R. Wrenn and P.L. Lo, pp. 55-59

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pdf Evaluation of mob stocking for control of grass grub
R.F. van Toor, C.M. Ferguson and b.I.P. Barratt, pp. 60-62

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pdf Screening of grass grub populations and soil types for their influence on pathogenicity of the bacterium Serratia entomophila
T.A. Jackson, H. Macnab and M.L. Garnham, pp. 63-66

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pdf The effect of trypsin inhibitors on grass grub (Costelytra zealandica (White)) larval growth and trypsin activity
J.J. Dymock, W.A. Laing, J.T. Christeller and B.D. Shaw, pp. 67-70

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pdf Diflubenzuron for porina control in otago
C.M. Ferguson, P.A. Jones and B.I.P. Barratt, pp. 71-72

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pdf The effects of lolitrem B on Argentine stem weevil larvae
J.J. Dymock, R.A. Prestidge and D.D. Rowan, pp. 73-75

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pdf The toxicities of chlorpyrifos and fenitrothion to Microctonus aethiopoides and Sitona discoideus
M.R. McNeill and R.B. Chapman, pp. 76-80

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pdf The efficiency of sampling for aphid predators from lucerne
D.M. Leathwick and D.R. Penman, pp. 81-85

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pdf Laboratory studies of Trifolium uniflorum root consumption by grass grub (Costelytra zealandica)
J.J. Dymock and V.A. Hunt, pp. 86-87

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pdf Silene vulgaris: a new grass grub resistant plant
O.R.W. Sutherland, J.J. Dymock, G.A. Lane and G.B. Russell, pp. 88-90

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TopPesticide Performance and Activity
pdf Biological activity of DPX-L5300 in some New Zealand soils
T.K. James, A. Rahman and J. Mortimer, pp. 91-94

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pdf Clethodim - a post emergence herbicide for selective annual and perennial grass weed control in broadleaf crops
G.W. Kerse, D.L. Ballard and A.M. Cliffe, pp. 95-99

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pdf Broadleaf weed herbicide effects on wild oat: implications for tank mixing herbicides
Mitchell andrews, Alex V. Jones and Morag E. Andrews, pp. 100-104

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pdf The susceptibility of environmentally stressed Avena spp. to sequential applications of gibberellic acid and post emergence herbicides
Ross L. Dickson, Roger J. Field and mitchell Andrews, pp. 105-109

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pdf Effect of simulated rainfall and adjuvants on the activity of some grass herbicides
A. Rahman and T.K. James, pp. 110-113

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pdf Cyproconazole - a new DMI fungicide
G.W. Kerse and D.L. Ballard, pp. 114-118

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pdf Annual grass weed control with haloxyfop, a selective post emergence herbicide
P.J. Dryden, pp. 119-120

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TopForest, Scrub and Shelter
pdf Field evalution of Pinus radiata tolerance to triclopyr
G.W. Saville, pp. 121-123

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pdf Cost effective herbicides for Yorkshire fog (Holcus lanatus) control
J.W. Ray, N.A. Davenhill and A.L. Vanner, pp. 124-127

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pdf The effect of surfactants on the uptake and translocation of glyphosate in Yorkshire fog
R.E. Gaskin and J.A. Zabkiewicz, pp. 128-131

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pdf Evaluation of techniques to measure aerial spray deposition
B. Richardson, J. Ray and A. Vanner, pp. 132-136

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pdf The introduction of gorse spider mite, Tetranychus lintearius, for biological control of gorse
R.L. Hill, A.H. Gourlay and P.J. Wigley, pp. 137-139

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pdf Susceptibility of eucalyptus tortoise beetle (Paropsis charybdis) to Bacillus thuringiensis var. San Diego
T.A. Jackson and G.A. Poinar, pp. 140-142

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pdf Optimum rates of oxyfluorfen for different poplar and willow clones
A.N. Gilchrist, pp. 143-145

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TopFruit Crops I
pdf Investigating the impact of protectant fungicides on integrated mite control. i.A. modelling perspective
A.J. Hayes, J.T.S. Walker, P.W. Shaw and C.H. Wearing, pp. 146-151

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pdf Investigating the impact of protectant fungicides on integrated mite control. II. results of three field experiments
J.T.S. Walker, C.H. Wearing, P.W. Shaw, J.G. Charles and A.J. Hayes, pp. 152-158

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pdf Frequency of infection periods for Venturia inaequalis in New Zealand and implications for fungicide use
R.M. Beresford, M.J. Salinger, P.E. Bruce and P.J. Brook, pp. 159-164

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pdf Use of forecast and monitored weather information for timing apple black spot fungicide applications in Canterbury
D.W. Manktelow, R.M. Beresford, M.J. Salinger, P.E. Bruce and R.E. Gaunt, pp. 165-169

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pdf Fungicide evaluation for control of blossom blight of nectarines
R.S. Gawith and K.G. Tate, pp. 170-173

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pdf Control of post-harvest ripening decays of nectarines with fungicide treatments
K.G. Tate, R.S. Gawith, L.H. Cheah and A.W. Hunt, pp. 174-177

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pdf Control of powdery mildew of grapes with plant extracts
G. Herger, I. Harvey, T. Jenkins and R. Alexander, pp. 178-181

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TopFruit Crops II
pdf The incidence of three Diaspid scales on kiwifruit in New Zealand
J.A. Berry, C.F. Morales, M.G. Hill, B.J. Lofroth and D.J. Allan, pp. 182-186

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pdf Toxicity of lime sulphur to armoured scale
R.H. Blank and M.H. Olson, pp. 187-190

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pdf Lime sulphur for armoured scale and lichen control on kiwifruit
R.H. Blank and M.H. Olson, pp. 191-194

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pdf Pesticides for use close to and during harvest of persimmons
R.A. Prestidge, P.T. Holland, A.D. Clarke and C.P. Malcolm, pp. 195-199

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pdf Significance of and monitoring for alien fruit flies (Tephritidae)
J.M. Cowley and E.R. Frampton, pp. 200-203

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pdf Procedures for fruit fly (Tephritidae) eradication in New Zealand
B.P. Stephenson, pp. 204-208

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pdf The effect of weed removal on growth of young apricot trees
R.B. Mitchell and R.J. Abernethy, pp. 209-212

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TopCereals
pdf The effects of fallow and herbicide on wheat production in Canterbury
R.T. Alexander and J.H.B. Butler, pp. 213-216

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pdf Disease effects on radiation interception in barley crops
H.G. Whelan and R.E. Gaunt, pp. 217-220

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pdf Control of scald and net blotch of barley with DMI fungicides
J. Edmund Sheridan and david K. Nendick, pp. 221-224

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pdf Effect of nitrate concentrations and additional amino acids on the susceptibility of wheat to chlorsulfuron
Farhad Dastgheib, Mitchell Andrews and Roger J. Field, pp. 225-228

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TopVegetable Crops
pdf Status of introduced larval parasitoids of tomato fruitworm
G.P. Walker and P.J. Cameron, pp. 229-232

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pdf Aphid control with RH7988
T.J.B. Herman and R.B. Chapman, pp. 233-237

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pdf Garden weevil life cycle and insecticides for its control in asparagus
R.A. Prestidge and B. Willoughby, pp. 238-242

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pdf Fungicidal control of Stemphylium leaf spot of asparagus
K.G. Tate, L.H. Cheah, A.W. Hunt and H. Dick, pp. 243-246

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pdf Powdery mildew of peas; possible causes of recent epidemics and prospects for control
R.E. Falloon, A.F. McErlich and R.E. Scott, pp. 247-250

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pdf Response of potatoes, onions and tomatoes to herbicides used for brushweed control
P.G. Lobb, pp. 251-253

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pdf Control of powdery mildew (Erysiphe pisi) with penconazole
G.B. Follas and R.D. Welsh, pp. 254-255

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pdf Alternative insecticides for control of lepidoptera on cabbages
P.J. Cameron, pp. 256-258

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TopOrnamentals
pdf Control of black vine weevil (Otiorhynchus sulcatus (F.)) larvae with parasitic nematodes and fungal pathogens
B.I.P. Barratt, C.M. Ferguson, T.A. Jackson, pp. 259-261

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pdf Carbaryl for control of black vine weevil (Otiorhynchus sulcatus (F.)) on rhododendrons
B.I.P. Barratt, D.R. Lauren, C.M. Snelling and C.M. Ferguson, pp. 262-265

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pdf Evaluation of fungicides for control of fairy ringspot disease in carnations
M. Braithwaite, R.C. Close and D.J. Saville, pp. 266-268

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TopBeneficial Insects
pdf Evaluation of acaricides for control of Melittiphus alvearius mite in export bee packages
R.F. van Toor, pp. 269-273

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pdf Melittobia spp. as parasitoids of bumble and lucerne leafcutting bees and their control in New Zealand
R.P. Macfarlane and B.J. Donovan, pp. 274-277

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TopPesticide Resistance Report
pdf The New Zealand Committee on Pesticide resistance 1989 Summary
R.W. Prince, M.S. Moore and C.H. Wearing, pp. 278-292

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Material from these papers was presented at the Annual Conference held at Taranaki Country Lodge, New Plymouth on 8-10 August 1989.

Edited by A.J. Popay.
Published by The New Zealand Weed and Pest Control Society Inc.

Please refer to the terms of use.