Vol. 48 (1995)

Proceedings of the New Zealand Plant Protection Conference - Volume 48

DOI: https://doi.org/10.30843/nzpp.1995.48

Published: 1995-01-08

Presidential address to the 47th Conference 1994

A. Rahman

xv-xvi
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Secretary's annual report 1994/95

J.A. Zabkiewicz

xvi-xvi
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Spatial patterns and spread of herbicide resistance

B.D. Maxwell, R.M. Davidson, W.E. Malchow

1-6
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Sensitivity of apple black spot to fenarimol, flusilazol, myclobutanil, penconazole and dodine in New Zealand

G.R. Bakker, M.R. Butcher, R.E. Gaunt

7-11
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Cross resistance and fitness of isolates of Venturia inaequalis to DMI fungicides

Srijumpa NA, R.E. Gaunt

12-16
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Reduced sensitivity to DMI fungicides in Monilinia fructicola and the efficacy of dMI fungicides for blossom blight control

M. Braithwaite, P.A.G. Elmer, D.J. Saville, K.S.H. Boyd-Wilson, H.G. Whelan

17-21
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Botrytis storage rot of kiwifruit: efficacy of pre-harvest sprays in orchards with dicarboximide-resistant botrytis populations

M.A. Manning and.H.A. Pak

22-26
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Resistance of botrytis to fungicides in Hawkes Bay vineyards

H. Pak, P. Wood

27-30
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Greenhouse whitefly (Trialeurodes vaporariorum (Westwood), Hemiptera: aleyrodidae) resistance to buprofezin

P.J. Workman, N.A. Martin

31-34
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Status of resistance to fenvalerate in tomato fruitworm, Helicoverpa armigera

P.J. Cameron, G.P. Walker, T.J.B. Herman

35-39
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Resistance of Planotortrix octo to organophosphate insecticides in Dumbarton, central Otago

C.H. Wearing

40-45
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Mating disruption for management of organophosphate resistance in the greenheaded leafroller Planotortrix octo

C.H. Wearing

46-51
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Mating disruption reduces the risk of resistance development to transgenic apple orchards: simulations of the lightbrown apple moth

M.A. Caprio, D.M. Suckling

52-58
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Effect of laboratory selection for endosulfan resistance in the coffee berry borer

L.O. Brun, D.M. Suckling

59-63
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Assessment of azinphos-methyl resistance in apple leafcurling midge from New Zealand apple orchards

R.B. Chapman, A.M. Evans

64-67
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Establishment of several ground covers in an orchard

K.C. Harrington

68-71
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Evaluation of five apple cultivars for their resistance to black spot and powdery mildew in three regions of New Zealand

C.H. Wearing, P.W. Shaw, J.T.S. Walker, R.R. Marshall, V. White

72-77
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Evaluation of an ascospore monitoring method for Venturia inaequalis to improve apple black spot fungicide management

D.W.L. Manktelow, R.M. Beresford

78-82
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Copper and slaked lime for the control of black spot and powdery mildew in apples

R.M. Beresford, J.T.S. Walker, M.J. Spink, R.R. Marshall, V. White

83-88
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Methods for disease assessment in apples, including growth stages, leaf emergence, black spot and powdery mildew

R.M. Beresford, D.W.L. Manktelow

89-94
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External contamination of kiwifruit by Botrytis cinerea: an important source of inoculum for fruit infection

P.A.G. Elmer, R.E. Gaunt, K.S.H. Boyd-Wilson, N.B. Pyke, M. Fermaud

95-100
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Development of an improved spray timing system for process peach in Hawke's Bay

K.G. Tate, P.N. Wood, D.W. Manktelow

101-106
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Monitoring pests of peaches in Hawke's bay to reduce insecticide applications

P.L. Lo, V.F. Bohm, J.T.S. Walker, D.W. Manktelow

107-110
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A recommended spray programme for leafroller and codling moth control in central Otago apple orchards

C.H. Wearing

111-116
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A survey of apple leafcurling midge (Dasyneura mali) in the Nelson district

J.T. Smith, R.B. Chapman

117-120
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Effects of leaf damage by apple leafcurling midge (Dasyneura mali) on photosynthesis of apple leaves

P.A. Allison, J.S. Meekings, A.R. Tomkins, D.J. Wilson

121-124
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Monitoring Graphania mutans (Noctuidae) in apple orchards

G.M. Burnip, D.M. Suckling, P.W. Shaw, V. White, J.T.S. Walker

125-129
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The timing of lepidopteran damage to kiwifruit

P.S. Stevens, C.E. McKenna, D. Steven

130-134
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A new Bacillus thuringiensis product for use on kiwifruit

C.E. McKenna, P.S. Stevens, D. Steven

135-138
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Effect of tebufenozide on, Encarsia citrina, an armoured scale parasitoid

A.R. Tomkins, C. Thomson, D.J. Wilson

139-142
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Laboratory screening of novel compounds against greenhouse thrips Heliothrips haemorrhoidalis

R.H. Blank, G.S.C. Gill

143-148
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Activity of insecticides against apple leafcurling midge (Dasyneura mali) and woolly apple aphid (Eriosma lanigerum)

A.R. Tomkins

149-151
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Simulations predict pheromone release rates for codling moth dispensers

S.J. Bradley, D.M. Suckling, A.L. Knight

152-154
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Postharvest biocontrol of Penicillium rot of lemons with industrial yeasts

L.H. Cheah, T.B. Tran

155-157
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A bioassay to measure in the laboratory the inhibition of fire blight by different biological control agents and their derivatives

J.L. Vanneste, G.E. Harper, J.H. Perry, F.J. Ede

158-160
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Development, yield effects, and control of Didymella exitialis on wheat in Canterbury in 1994/95

M.G. Cromey, M.A. Mace

161-164
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The incidence of Hessian fly and other pests in New Zealand wheat crops

T.M. Withers, M.O. Harris, L.K. Davis

165-169
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The impact of two insecticides on hemipteran pests and beneficial arthropods in a white clover seed crop

N. Schroeder, R.B. Chapman

170-174
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Evaluation of two methods for enumerating the soil weed seedbank

A. Rahman, T.K. James, N. Grbavac, J. Mellsop

175-180
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Optimising conditions for weed seed emergence from soil trays in a glasshouse

M.J. Hartley, A. Rahman

181-185
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Chemical weed control in chickpeas

F. Dastgheib, J.N. Plew, G.D. Hill

186-188
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The effect of topping and repeat grazings on Californian thistle and pasture production

R.B. Mitchell, R.J. Abernethy

189-193
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Invertebrate pests of pasture as potential plant virus vectors

T.E. Smales, C.M. Ferguson, P.L. Guy

194-198
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Plant-parasitic nematodes associated with perennial ryegrass and tall fescue with and without Acremonium endophyte

R.N. Watson, D.E. Hume, N.L. Bell, F.J. Neville

199-203
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Alternative approaches to protection of white clover from nematode attack

R.N. Watson, F.J. Neville

204-207
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Effects of chitin amendment on plant growth, microbial populations and nematodes in soil

J.A. Brown, F.J. Neville, S.U. Sarathchandra, R.N. Watson, N.R. Cox

208-212
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Yield response of legume seedlings to simulated insect cotyledon damage and nutrient availability

C.M. Ferguson, J.A. Shand, A.A. Evans

213-218
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Circadian patterns of oviposition and feeding in Listronotus bonariensis (Kuschel) (Coleoptera: Curculionidae) in the laboratory

B.I.P. Barratt, A.A. Evans, C.M. Ferguson

219-223
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Acremonium lolii, ergovaline and peramine production in endophyte-infected perennial ryegrass

O.J-P. Ball, G.A. Lane, R.A. Prestidge

224-228
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Resistance to Argentine stem weevil in perennial ryegrass infected with endophytes producing different alkaloids

A.J. Popay, R.T. Wyatt

229-236
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The fungi Beauveria spp. cause epizootics in grass grub populations in Waikato

R.J. Townsend, T.R. Glare, B.E. Willoughby

237-241
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Effect of a ryegrass diet supplemented with pollen on Listronotus bonariensis (Kuschel) (Coleoptera: Curculionidae) fecundity, feeding and survival

A.A. Evans, B.I.P. Barratt

242-244
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Chemotactic movement of rhizoplane bacteria towards root exudates of white clover and ryegrass

S.U. Sarathchandra, J.A. Brown

245-246
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Short term effects of intensive grazing on Listronotus bonariensis and some other epigeal invertebrates in a dairy pasture

G.M. Barker, P.J. Addison

247-249
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Effect of wounding followed by intensive grazing on Californian thistle control

R.F. van_Toor

250-251
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Response of different nodding thistle (Carduus nutans) populations to herbicides

T.K. James, A. Rahman, P. Sanders, A. Cliffe

252-255
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Evaluation of brodifacoum baits for maintenance control of possums in small forest reserves

M.D. Thomas, C.M. Frampton, K.W. Briden, K.G. Hunt

256-259
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The effect of the plant Myriophyllum triphyllum and temperature on the degradation of sodium monofluoroacetate (1080) in an aquatic ecosystem

S.C. Ogilvie, L.H. Bowen, C.T. Eason

260-263
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Safety testing of a nuclear polyhedrosis virus for use against gypsy moth, Lymantria dispar, in New Zealand

T.R. Glare, E.M. Newby, T.L. Nelson

264-269
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The potential geographical distribution of alligator weed (Alternanthera philoxeroides) and a biological control agent, Agasicles hygrophila, in New Zealand

C.A. Stewart, M.H. Julien, S.P. Worner

270-275
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Seed bank accumulation of broom (Cytisus scoparius) in South Island

R.B. Allen, P.A. Williams, W.G. Lee

276-280
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Comparative effectiveness of permethrin in controlling keratinophagous insects

P.J. Gerard, L.D. Ruf

281-282
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Achieving specific spot sizes for weed control in forestry

G. Coker, B. Richardson, K. Steele

283-284
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The efficacy of Bacillus thuringiensis and lufenuron against lepidopteran pests in brassicas

G. Follas

285-288
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Bacillus thuringiensis for integrated pest management in processing tomatoes

P.J. Cameron, G.P. Walker, T.J.B. Herman, J.D. Fletcher

289-293
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The influence of a fly attractant on hybrid carrot pollination

A. Evans, M. Schaffer, S.D. Wratten, C. Frampton, C. France

294-296
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The role of predation in carrot rust fly (Psila rosae) egg loss

N.A. Berry, S.D. Wratten, C. Frampton

297-301
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Effects of insecticides on the abundance of arthropod predators in carrots in canterbury, New Zealand

W. Sivasubramaniam, S.D. Wratten

302-307
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Pathogenicity and control using composts of Aphanomyces euteiches pea root rot

M. Walter, C.M.A. Frampton, P.A.G. Elmer, R.A. Hill

308-313
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Evaluation of a new slug bait incorporating thiodicarb

C.M. Ferguson, A.C. Firth, R.T. Wyatt

314-317
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Implementation of controlled atmosphere disinfestation of export asparagus

A. Carpenter

318-321
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Control of nutgrass (Cyperus rotundus) in asparagus

P. Sanders, A. Rahman

322-326
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Herbicide tolerance of transplanted dalmatian sage and oregano

R.B. Mitchell, R.J. Abernethy, J.A. McGimpsey

327-330
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Weed control in cabbages with aziprotryne, clethodim and their combination

F. Dastgheib

331-332
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Mulches and fatty acid herbicides for the control of fishtail oxalis

A. Ingle, S. Wright, A.I. Popay

333-334
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Herbicide tolerance of Viola cornuta

K.C. Harrington, L.R. Chioco

335-336
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Biological control of fusarium storage rot of squash with yeasts

L.H. Cheah, A.P. Marshall

337-339
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Screening of plant extracts for control of powdery mildew in squash

L.H. Cheah, J.K. Cox

340-342
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Release and establishment of Aphidius sonchi, a parasitoid of the sowthistle aphid in New Zealand

M.W. Stufkens, J.A. Farrell

343-344
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Introduction of Cotesia rubecula, a parasitoid of white butterfly

P.J. Cameron, G.P. Walker, M.A. Keller

345-347
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Effect of nitrogen and boron on weed control in brassicas

R.F. van_Toor

348-350
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Seasonal activity, host range and distribution of Sclerotium rolfsii in New Zealand

P.G. Broadhurst

351-353
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Development of a quantitative bioassay to study the interaction between biological control agents and soft rot Erwinia

J.L. Vanneste, D.A. Cornish

354-356
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