Vol. 46 (1993)

Proceedings of the New Zealand Plant Protection Conference - Volume 46

DOI: https://doi.org/10.30843/nzpp.1993.46

Published: 1993-01-08

Presidential address to the 45th Conference 1992

M.J. Willocks

xv-xv
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Secretary's annual report 1992/93

J.A. Zabkiewicz

xvi-xvi
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Comparative mortality responses of two species of mites following heat treatment

B.C. Waddell, V.M. Jones, D.B. Birtles

1-5
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The influence of components of the nectarine spray programme on Typhlodromus occidentalis (Nesbitt)

G.F. McLaren, J.A. Fraser

6-10
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Herbicide tolerance of three ground cover species with potential for use in orchards

K.C. Harrington

11-14
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Decreased sensitivity of Taphrina deformans (peach leaf curl) to copper fungicides in Hawkes Bay

L.H. Cheah, K.G. Tate, A.W. Hunt, N. De Silva

15-17
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Control of leaf curl in stonefruit with difenoconazole

G. Follas, R.D. Welsh

18-20
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Evaluation of pymetrozine to control green peach aphid on stonefruit

G. Follas

21-23
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Tolerance of clary sage, coriander and caraway to herbicides applied pre- and post-emergence

R.B. Mitchell, R.J. Abernethy

24-29
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Herbicide tolerance of and weed control in three medicinal herbs

M.J. Hartley

30-34
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Herbicide tolerance and weed control in culinary herbs

M.J. Hartley

35-39
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Conventional versus alternative pest management systems in cabbage crops

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

40-44
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Leafminer damage assessment experiments in laboratory and field with Scaptomyza flava

A.A. Seraj, P.G. Fenemore

45-48
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Herbicide tolerance of garden nasturtium (Tropaeolum majus)

K.C. Harrington, V.T. Fakava

49-52
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A systems approach to quarantine entomology: using asparagus infestation as a model

A. Carpenter, C.W. van_Epenhuijsen

53-56
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Controlled atmosphere disinfestation of fresh supersweet sweet corn for export

A. Carpenter

57-58
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Herbicides for control of creeping buttercup (Ranunculus repens) in asparagus

P. Sanders, A. Rahman

59-61
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Reducing pesticide residues on kiwifruit

P.S. Stevens, D. Steven, C. Malcolm, P.T. Holland

62-66
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Activity of oils against lightbrown apple moth (Epiphyas postvittana) larvae

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

67-70
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Mineral oil and diazinon to control armoured scale on kiwifruit

R.H. Blank, M.H. Olson, P.L. Lo

71-74
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Phytotoxicity to kiwifruit of oil sprayed after flowering

C.E. McKenna, D. Steven

75-79
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Investigating two bee-safe materials for controlling latania scale on avocados during pollination

R.H. Blank, M.H. Olson, J.B. Clark, G.S.C. Gill

80-85
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Psocid eggs on avocados mistaken for leafroller eggs

R.H. Blank, M.H. Olson, G.S.C. Gill, J.B. Clark

86-88
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Kiwifruit storage and mineral oil

P.S. Stevens, D. Steven

89-90
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An environmental yardstick for pesticides

J.A.W.A. Reus

91-96
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Effects of the insect growth regulator fenoxycarb on two lacewing species in the laboratory and field

S. Rumpf, D. Penman

97-101
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Evaluation of endothall for aquatic weed control in New Zealand

R.D.S. Wells, J.S. Clayton

102-106
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Chlorsulfuron induced nitrate accumulation in a sensitive wheat cultivar: cause and effect

M. Andrews, F. Dastgheib, A.V. Jones

107-110
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Chlorsulfuron effects on leaf extenstion, acetolactate synthase activity and branched chain amino acid content of a susceptible wheat cultivar

F. Dastghieb, J.D. Morton, M.F. Barnes, M. Andrews

111-114
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Leaching and movement of imazapyr in different soil types

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

115-119
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Resistance to chlorpyrifos in the mealybugs Pseudococcus affinis and P. longispinus in Hawkes Bay and Waikato pipfruit orchards

J.G. Charles, J.T.S. Walker, V. White

120-125
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Field control of chlorpyrifos-resistant mealybugs (Pseudococcus affinis) in a Hawkes Bay orchard

J.T.S. Walker, V. White, J.G. Charles

126-128
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Pheromone trapping and insecticide use in canterbury apple orcards

D.M. Suckling, G.M. Burnip

129-134
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Commercial use of leafroller pheromone traps in Nelson

P.W. Shaw, V.M. Cruikshank, D.M. Suckling

135-140
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Efficacy of carbaryl, Bacillus thuringiensis and pyrethrum against lightbrown apple moth larvae on apples

D.M. Suckling, P.W. Shaw, B. Brown

141-145
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Control of codling moth with commercial preparation of granulosis virus

C.H. Wearing

146-151
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Pest and disease decision support for Hawkes Bay growers - A survey

T.M. Stewart, G.A. Norton, J.D. Mumford, P.G. Fenemore

152-161
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A decision model for miticide use in apple orchards

A.J. Hayes, J.T.S. Walker, P.W. Shaw, V. White

162-165
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Surfactant for postharvest control of diapausing twospotted spider mite Tetranychus urticae Koch on apples

P.R. Dentener, S.M. Peetz, J.H. Maindonald

166-170
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Significance of the presence of streptomycin resistant plant pathogenic and epiphytic bacteria in New Zealand

J.L. Vanneste, J. Yu

171-173
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Streptomycin resistance in Erwinia amylovora from apple and pear orchards

S.C. Gouk, K.G. Tate, C.N. Hale, R.G. Clark, M.D. Voyle

174-176
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Evaluation of a simple method for detection of fire blight (Erwinia amylovora)

S.C. Gouk, S.O. Hutchings, M.D. Voyle

177-178
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Insect antifeedants - a New Zealand perspective

G.B. Russell, G.A. Lane

179-186
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Effect of selected plants on the growth and development of leafrollers

A. Barrington, G.B. Russell, G.A. Lane

187-190
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Antifeedant and insecticidal activity of some New Zealand gymnosperms

P.J. Gerard, B.H. Rohitha, N.B. Perry, L.D. Ruf, A.K. Karl, L.M. Foster

191-193
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A bioassay to evaluate native plant extracts as slug feeding deterrents

B.I.P. Barratt, S.D. Lorimer, N.B. Perry, M. Bashi-Hammer, L.M. Foster, C.M. Ferguson

194-196
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A preliminary evaluation of some naturally occurring volatiles on codling moth eggs

B.H. Rohitha, R.M. McDonald, R.A. Hill, A.K. Karl

197-199
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Farmers evaluation of weed and invertebrate pest problems in pasture

R.F. van_Toor, R.J. Stuck

200-205
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The effect of Metarhizium anisopliae formulations, and their combination with Serratia entomophila, on grass grub larvae

T.A. Jackson, W.G. Chinn

206-209
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Evaluation of a technique for the early detection of pasture damage by grass grub, Costelytra zealandica, and porina, Wiseana sp

R.F. van_Toor, R.N. Watson, B.E. Willoughby, B.I.P. Barratt

210-214
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Susceptibility of warm-season grasses to feeding and oviposition by the Agentine stem weevil (Listronotus bonariensis)

A.C. Firth, G.M. Barker, P.J. Addison

215-218
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Argentine stem weevil damage to endophyte-infected perennial ryegrass planted in association with endophyte-free ryegrass and poa

A.J. Popay, C.J. Saunders, R.A. Mainland

219-223
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Thiodocarb seed treatment for the protection of seedling ryegrass from Argentine stem weevil larvae

P.J. Addison, G.M. Barker, A.C. Firth

224-227
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Seed treatment for the protection of seedling white clover from nematodes

G.M. Barker, P.J. Addison, R.N. Watson

228-232
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Two-year grass grub cause damage in midsummer in Canterbury

T.A. Jackson, R.J. Townsend

233-234
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Adult grass grub dispersal of Serratia entomophila

M. O'Callaghan, T.A. Jackson

235-236
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Longevity of high density Serratia entomophila cultures under refrigerated and ambient conditions

J.F. Pearson, S.D. Young, T.A. Jackson

237-238
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Distribution of the bacterium Serratia entomophila in the soil when applied in high water volumes

M.L. Garham, R.J. Townsend, D. Baird, S.D. Young

239-241
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Eurythecta zelaea, and occasional dryland pasture pest

C.M. Ferguson, W.J. Fraser

242-244
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Effects of soil treatments on growth and root pathogen status of pasture plants

U. Sarathchandra, M.E. di Menna, R.N. Watson, G. Burch, J.A. Read

245-247
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Activities of some rhizosphere bacteria in Waikato pastoral soils

U. Sarathchandra, J.A. Read, G. Burch

248-250
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An experimental mycoherbicide utilising Sclerotinia sclerotiorum controls pasture populations of Cirsium arvense in Canterbury

G.W. Bourdot, I.C. Harvey, G.A. Hurrell, R.T. Alexander

251-256
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Pasture grasses and white clover unaffected by an inundative application of Sclerotinia sclerotiorum

G.A. Hurrell, G.W. Bourdot

257-260
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Pathogenicity of Sclerotinia sclerotiorum on common thistle species and other pasture weeds

N.W. Waipara, I.C. Harvey, G.W. Bourdot

261-264
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Sclerotium populations after inundative application of Sclerotinia sclerotiorum to Californian thistle

C. Harvey, N.W. Waipara, G.W. Bourdot

265-269
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Evaluation of a potential mycoherbicide for control of Ranunculus acris, giant buttercup

S. Hardwick, R.C. Close, R.J. Field

270-273
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Regeneration sites of Ranunculus acris are the target for Sclerotinia sclerotiorum, a potential mycoherbicide

S. Green, D.J. Saville, G.W. Bourdot, I.C. Harvey, R.J. Field, R.C. Close

274-277
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Integrated management of Californian thistle in pasture

R.B. Mitchell, R.J. Abernethy

278-281
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Herbicide tolerance of Grasslands Puna chicory

M.D. Hare, M.P. Rolston, A.G. Foote, W. Archie, G. Hagerty

282-287
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Tolerance of white clover to some phenoxy herbicides and mixtures

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

288-291
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Evaluation of thifensulfuron for control of oxeye daisy in pasture

K.S. Nicholson, T.K. James, A. Rahman

292-294
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Interference of rosette ragwort with forage plant emergence, mortality and growth

M. Ahmed, D.A. Wardle

295-296
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The fate of sodium monofluoroacetate (1080) in water, mammals and invertebrates

C.T. Eason, R. Gooneratne, G.R. Wright, R. Pierce, C.M. Frampton

297-301
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Evaluation of repellents to prevent possum browsing

D.R. Morgan, A.D. Woodhouse

302-306
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The effectiveness of sulfluramid in sardine bait for control of wasps (Hymenoptera: Vespidae)

E.B. Spurr

307-312
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A rapid screening method for selecting grass species with potential for suppressing pampas growth

J.W. Ray, B. Richardson

313-318
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Quantification of herbicide spray deposit variation following aerial application in forestry operations

B. Richardson, J. Ray, A. Vanner

319-324
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Field penetration of beneficial insects from habitat islands: hoverfly dispersal from flowering crop strips

G.L. Lovei, J.M. Hickman, D. McDougall, S.D. Wratten

325-328
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Novel crops in cereal fields: habitat refuges for arthropod natural enemies

D.J. Hodgson, G.L. Lovei

329-333
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Virulence of a Manawatu population of the hessian fly to several wheat cultivars

M.O. Harris

334-337
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The below-ground foodweb as an indicator of disturbances resulting from weed management practices in two contrasting agro-ecosystems

D.A. Wardle, G.W. Yeates, R.N. Watson, K.S. Nicholson, M. Ahmed

338-343
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Green manures - benefits for weed control?

A.I. Popay, W. Stiefel, M. Daly

344-347
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Effects on broad-leaved docks and couch of undersowing cereals with clovers

A.I. Popay, W. Stiefel, D. Graves

348-350
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