Vol. 50 (1997)

Proceedings of the New Zealand Plant Protection Conference - Volume 50

DOI: https://doi.org/10.30843/nzpp.1997.50

Published: 1997-08-01

The 50th NZ Plant Protection Conference

R.E. Falloon

xx-xx
- PDF
Underpinning New Zealand's psychic premium

B.R. Richards

1-5
- PDF
Plant protection and eco-labelling of primary products

N.J. Ball

6-10
- PDF
An overview of the organic industry in New Zealand

G. Crawshaw

11-13
- PDF
New Zealand integrated fruit production for pipfruit - charting a new course

T.A. Batchelor, J.T.S. Walker, D.W.L. Manktelow, N.M. Park, S.R. Johnson

14-19
- PDF
Plant protection: trade and the environment

D. Pimentel

20-27
- PDF
New Zealand's clean and green image

M. Gould

28-29
- PDF
New Zealand's agricultural security system

R. Ivess, E.R. Frampton

30-32
- PDF
Assessment of the dispersal of Sitona lepidus (clover root weevil) in the North Island of New Zealand

B. Willoughby, P. Addison

33-36
- PDF
Potential for biocontrol of Sitona lepidus Gyllenhal by Microctonus spp.

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

37-40
- PDF
Establishment and dispersal of Microctonus hyperodae Loan (Hymenoptera: Braconidae) in Otago and Southland

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

41-46
- PDF
Feeding by Sitona discoideus after exposure to the parasitoid Microctonus aethiopoides

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

47-50
- PDF
Evaluation of metallic green ground beetle as a predator of slugs

R.B. Chapman, A.S. Simeonidis, J.T. Smith

51-55
- PDF
Resistance of seedling white clover cultivars to redlegged earth mite Halotydeus destructor

S.L. Marshall, T.J. Ridsdill-Smith, R.A. Prestidge

56-60
- PDF
Fourth and fifth generation progress in breeding white clover for resistance to root-knot nematode

C.F. Mercer, J. van_den_Bosch

61-64
- PDF
Effect of selected Neotyphodium lolii isolates on root-knot nematode (Meloidogyne marylandi) numbers in perennial ryegrass

O.J. -P. Ball, E.C. Bernard, K.D. Gwinn

65-68
- PDF
Argentine stem weevil response to variable endophyte infection in Grasslands Greenstone ryegrass

A.J. Popay

69-72
- PDF
Seasonal earthworm densities on endophyte-infected and endophyte-free perennial ryegrass

R.A. Prestidge, S.L. Marshall, E.R. Thom

73-77
- PDF
In situ examination of white clover and perennial ryegrass roots inoculated with fungal pathogens

N.W. Waipara, M.E. Di Menna, R.A. Skipp, A.L.J. Cole

78-83
- PDF
Transmission of asparagus virus 2 in an asparagus crop

M.V. Jaspers, M.N. Pearson

84-88
- PDF
Field evaluation of sweetpotato cultivars for resistance to Sclerotinia rot

P.G. Broadhurst, S.L. Lewthwaite, C.M. Triggs

89-92
- PDF
Epidemiology of Botrytis cinerea in boysenberry (Rubus spp.)

M. Walter, K.S.H. Boyd-Wilson, J. Stanley, P. Harris-Virgin, C. Morgan, N.B. Pyke

93-100
- PDF
Spread of prune dwarf and prunus necrotic ringspot viruses in Golden Queen peach in Hawke's Bay and effect on fruit yields

P.N. Wood, K.G. Tate, D.W. Manktelow, J. Morton, A.J. Kale

101-106
- PDF
Performance of wetness sensors used in plant disease forecasting

W.R. Henshall, R.M. Beresford

107-111
- PDF
Drift from orchard spraying

P.T. Holland, J.F. Maber, W.A. May, C.P. Malcolm

112-118
- PDF
The tree-row-volume spraying system and its potential use in New Zealand

D.W.L. Manktelow, J-P. Praat

119-124
- PDF
Contact phytotoxicity of triclopyr formulations on three plant species in relation to their uptake and translocation

W.A. Forster, J.A. Zabkiewicz, R.J. Murray, S.M. Zedaker

125-128
- PDF
Cuticular uptake of glyphosate into wheat with organosilicone surfactant

Z.Q. Liu, J.A. Zabkiewicz

129-133
- PDF
Effect of organosilicone surfactants on the control of gorse by metsulfuron

R.J. Murray, R.E. Gaskin

134-138
- PDF
Effect of surfactant concentration and spray volume on retention of organosilicone sprays on wheat

R.E. Gaskin, R.J. Murray

139-142
- PDF
Biological control in the green oasis

J. Waage

143-145
- PDF
Registration of biological pesticides: a regulator's view point

W. Hughes

146-149
- PDF
Trichoderma spp. for potential biocontrol of clubroot of vegetable brassicas

L-H. Cheah, B.B.C. Page

150-153
- PDF
Biological control of Sclerotinia minor in lettuce using Trichoderma species

E.E. Jones, A. Stewart

154-158
- PDF
Inhibition of conidium germination and mycelial growth of Botrytis cinerea by natural products

A. Antonov, A. Stewart, M. Walter

159-164
- PDF
Estimating amber disease in grass grub populations by visual assessment and DNA colony blot analysis

T.A. Jackson, R.J. Townsend, T.L. Nelson, N.K. Richards, T.R. Glare

165-168
- PDF
UV radiation and temperature affect viability of Serratia spp., potential biocontrol agents of insects

J.F. Pearson, L.M. Hunt, K.J. Mitchell

169-173
- PDF
Emerging technologies in plant protection

D. Evans

174-175
- PDF
Precision agriculture: an integration of information technologies with farming

R. Buick

176-184
- PDF
Do we need adjuvants? Mechanistic studies and implications for future developments

D. Stock

185-190
- PDF
Emerging technologies in plant protection - bioherbicides

B.A. Auld, C. McRae

191-194
- PDF
Biological control and impacts on non-target species

J.M. Cullen

195-201
- PDF
The new Environmental Risk Management Authority - Nga Kaiwhakatupato Whakararu Taiao

O.R.W. Sutherland

202-205
- PDF
Product stewardship, animal welfare and regulatory toxicology constraints on vertebrate pesticides

C.T. Eason, M. Wickstrom, N. Gregory

206-213
- PDF
Changes in plant attack over time in no-choice tests: an indicator of specificity

T.M. Withers

214-217
- PDF
Effect of orchard pesticides on Aphelinus mali, the woolly apple aphid parasitoid

S.J. Bradley, V.C. Murrell, P.W. Shaw, J.T.S Walker

218-222
- PDF
Field cage and laboratory parasitism of Nicaeana cervina by Microctonus aethiopoides

A.A. Evans, B.I.P. Barratt, R.M. Emberson

223-226
- PDF
Implications of host weevil circadian activity for parasitism by Microctonus aethiopoides (Hymenoptera: Braconidae)

K.M. Couch, A.S. Cresswell, B.I.P. Barratt, A.A. Evans

227-231
- PDF
Life table comparison between the parasitoid Thripobius semiluteus and its host greenhouse thrips

K.J. Froud, P.S. Stevens

232-235
- PDF
Host specificity of Cotesia rubecula and Cotesia plutellae, parasitoids of white butterfly and diamondback moth

P.J. Cameron, G.P. Walker

236-241
- PDF
Alternative host plants as refugia for diamondback moth and potato tuber moth

P.J. Cameron, A.M. Gatland, G.P. Walker, P.J. Wigley

242-246
- PDF
Apple leafcurling midge egg laying on different apple cultivars and orchard properties on the Waimea plains, Nelson

J.T. Smith, R.B. Chapman

247-251
- PDF
Integrated fruit production (IFP) for New Zealand pipfruit: evaluation of disease management in a pilot programme

D.W. L Manktelow, R.M. Beresford, A.J. Hodson, J.T.S. Walker, T.A. Batchelor, H.E. Stiefel, I. Horner

252-257
- PDF
Integrated fruit production for New Zealand pipfruit: evaluation of disease management in a pilot programme

J.T.S. Walker, A.J. Hodson, C.H. Wearing, S.J. Bradley, P.W. Shaw, A.R. Tomkins, G.M. Burnip, H.E. Stiefel, T.A. Batchelor

258-263
- PDF
Transfer of disease management technology to the canning peach industry in Hawke's Bay

K.G. Tate, P.N. Wood, A.J. Hodson, J. Morton

264-268
- PDF
Implementation of integrated pest management in Hawke's Bay

P.L. Lo, P.N. Wood, V.C. Murrell

277-282
- PDF
The impact of early season insecticides in an integrated fruit production programme on apple

P.W. Shaw, S.J. Bradley, J.T.S Walker

283-287
- PDF
Comparison of armoured scale spray thresholds in kiwifruit

P.S. Stevens, C.E. McKenna, R.H. Blank, A.R. Tomkins, D. Steven

288-292
- PDF
Determining armoured scale distribution within kiwifruit blocks

R.H. Blank, G.S.C. Gill, B.W. Dow

293-297
- PDF
Genetic engineering can either exacerbate or alleviate herbicide resistance

J. Gressel

298-306
- PDF
Resistance management in the 21st century: an entomologist's point of view

M.A. Caprio, D.M. Suckling

307-313
- PDF
DNA markers for disease resistance breeding in peas (Pisum sativum L.)

G. Timmerman-Vaughan, A.C. Russell, A. Hill, T.J. Frew, B.J. Gilpin

314-315
- PDF
Aliens at the border and cadavers in the field: a molecular technique for species identification

K.F. Armstrong, C.M. Cameron, E.R. Frampton, D.M. Suckling

316-321
- PDF
Genetic diversity of two introduced aphid species in New Zealand

D. Nicol, K.F. Armstrong, S.D. Wratten, P. Walsh, C.M. Cameron, C. Lahmann, C. Frampton

322-326
- PDF
Genetic comparison of whitefringed weevil species and populations by RAPD-PCR

S. Hardwick, K.F. Armstrong, S.D. Wratten, R.A. Prestidge

327-332
- PDF
Genetic variation between two Microctonus hyperodae populations imported for control of Argentine stem weevil

L.M. Winder, S.L. Goldson, C.L. Lenney Williams

333-337
- PDF
Genetic variation in grass grub, Costelytra zealandica, from several regions

N.K. Richards, T.R. Glare, D.C.A. Hall

338-343
- PDF
The history of plant protection in New Zealand: a survey of conference proceedings

A.J. Popay

344-354
- PDF
Typewriter to computer - fifty years of the New Zealand Plant Protection Society's publications

J.F. Pearson

357-363
- PDF
Plant protection - the scientific capability

R. Field

364-368
- PDF
Pinus radiata growth benefits from spot weed control in Kinleith forest

B. Richardson, M. Kimberley, A. Pattison

369-372
- PDF
Effect of some common weed species on Pinus radiata growth at a dry South Island site

B. Richardson, A. Vanner, J. Ray, J. Balneaves

373-376
- PDF
Field trial to assess possum preference for a new pest control paste

B. Jordan, H. Moller, G. Hickling

377-381
- PDF
The use of different types of toxic bait for sustained control of possums

R.J. Henderson, G.A. Morriss, D.R Morgan

382-390
- PDF
Less 1080 bait usage in aerial operations to control possums

D.R. Morgan, M.D. Thomas, D. Meenken, P.C. Nelson

391-396
- PDF
Use of subacute and chronic toxicants to control sodium monofluoroacetate (1080) bait shy possums

J.G. Ross, G.J. Hickling, D.R. Morgan

397-400
- PDF
Freeze-died bait for wasp control

E.B. Spurr

401-404
- PDF
Melon aphid (Aphis gossypii) resistance to pesticides

N.A. Martin, P.J. Workman

405-408
- PDF
Resistance of Planotortrix octo (greenheaded leafroller) to azinphos-methyl in Hawke's Bay

P.L. Lo, J.T.S. Walker, D.M. Suckling

409-413
- PDF
Tyeid mite control on persimmons

A. Tomkins, T. Lupton, N. Brown, D.J. Wilson, C. Thomson

414-419
- PDF
Evaluation of legumes for development of leafroller-free orchard understoreys

G.M. Burnip, D.M. Suckling

420-424
- PDF
The feasibility of hot water disinfestation of summerfruit

G.F. McLaren, J.A. Fraser, R.M. McDonald

425-430
- PDF
Mortality response of lightbrown apple moth to a controlled atmosphere cold storage treatment for apricots

D.C. Whiting, L.E. Hoy

431-435
- PDF
Energy, ultrasound, and chemical treatments for the disinfestation of fresh asparagus spears

C.W. van_Epenhuijsen, J. Koolaard, J.F. Potter

436-441
- PDF
Evaluation of a weed relative leaf area model for predicting yield loss in wheat

G.W. Bourd?t, G.A. Hurrell, D.J. Saville

442-446
- PDF
Soil sampling studies for estimation of weed seedbanks

A. Rahman, T.K. James, J.E. Waller, N. Grbavac

447-452
- PDF
The persistence and management of thistles in Australian pastures

B.M. Sindel

453-456
- PDF
Impact of broom twig miner on broom growth and florifory in Canterbury, New Zealand

J. Memmott, S.V. Fowler, P. Syrett

457-461
- PDF
Herbicides for controlling weeds in Mercury Bay weed

K.C. Harrington, T. Zhang

462-466
- PDF
Control of couch (Elytrigia repens) and mercer grass (Paspalum distichum) in maize with nicosulfuron

T.K. James, A. Rahman

467-471
- PDF
Flumetsulam for control of giant buttercup in pasture

B.M. Harris, B.M. Husband

472-476
- PDF
Flazasulfuron for control of ragwort (Senecio jacobaea) in pasture

T.K. James, A. Rahman, P. De Jong

477-481
- PDF
Conditioning of Romney sheep for ragwort (Senecio jacobaea) control

K. Betteridge, R.D. Sutherland, R.A. Fordham, K.J. Stafford, D.A. Costall

482-485
- PDF
Maintaining the health of ecosystems in the 21st century: the challenges facing plant protection sciences, industry and users

J.M. Williams

486-492
- PDF
Towards sustainability: an essential development for European agriculture

U. Merz

493-497
- PDF
Proposal for a pesticide risk reduction policy for New Zealand

M. Watts

498-505
- PDF
Indicators of sustainable pest management in orchard production systems

C.H. Wearing

506-513
- PDF
Measuring sustainability in agricultural systems

S.D. Wratten, M. Hofmans, S. Thomsen, P. Williams, G. Groves, C. Eason, J. Greer

514-519
- PDF
Soil quality monitoring for sustainable agriculture

M.H. Beare, K.C. Cameron, P.H. Williams, C. Doscher

520-528
- PDF
A pesticide rating system for monitoring agrichemical inputs in New Zealand horticulture

J.T.S. Walker, A.J. Hodson, T.A. Batchelor, D.W. Manktelow, A.R. Tomkins

529-534
- PDF
Presidential address to the 49th NZ Plant Protection Conference on 14 August 1996

R.E. Falloon

547-549
- PDF
Secretary's annual report - 1996/97

J.A. Zabkiewicz

549-550
- PDF
Melon aphid resistance management strategy

N.A. Martin, P.J. Cameron

551-555
- PDF

Poster Abstracts

Calcium fertilisation reduces incidence of soft rot (Erwinia carotovora) on potato tubers

P.J. Wright, C.M. Triggs

535-535
- PDF
Soil solarisation as a control method for onion white rot

K.L. McLean, A. Stewart

535-535
- PDF
Effects of streptomycin on fire blight of apples

S.C. Gouk, R.J. Boyd, S.O. Hutchings

536-536
- PDF
Inhibitory activites of essential oils against plant pathogenic bacteria

R.J. Boyd, S.C. Gouk

536-536
- PDF
Seed-borne cucumber mosaic virus in New Zealand lentil crops

J.D. Fletcher, A.C. Russell, H. Boddington, R. Butler

537-537
- PDF
Pathogenicity of two plant pathogens Phoma sp. and Verticillium dahliae on Californian thistle

N.W. Waipara, A.L.J. Cole

537-537
- PDF
Spread of gorse and broom seed by animals

N. Ledgard, D. Rossiter

538-538
- PDF
Resistance of slender winged thistle to MCPA

K.C. Harrington, N. Hewage

538-538
- PDF
Spraysafe manager: a decision support system for aerial application of herbicides in forestry

B. Richardson, W. Schou, M. Teske, J. Ray, B. Eav

539-539
- PDF
Visualisation by confocal laser scanning microscopy of stomatal infiltration of surfactant sprays into leaves

R.E. Gaskin, R.J. Murray, J.A. Zabkiewicz

539-539
- PDF
Behaviour of larvae on diets containing Bacillus thuringiensis formulations or endotoxins

M.O. Harris, F. Mafile??o, S. Dhana

540-540
- PDF
Integrated fruit production in action: profile of a Canterbury orchard

G.M. Burnip, D.M. Suckling, A.R. Gibb, W. Mottram

540-540
- PDF
Biodiversity in apple orchards: apple tree foliage and ground cover sampling

D.M. Suckling, C.H. Wearing, A.R. Gibb, G.M. Burnip, B. Attfield, K. Colhoun

541-541
- PDF
A new sampling technique for estimating the population densities of greenhouse thrips

K.J. Froud

541-541
- PDF
Plant factors that stimulate oviposition by lightbrown apple moth, Epiphyas postvittana

A.J. Howard, S.P. Foster

542-542
- PDF
Factors affecting egglaying patterns by the lightbrown apple moth, Epiphyas postvittana (Walker)

S.P. Foster, A.J. Howard

542-542
- PDF
The effect of floral feeding on a leafroller egg parasitoid

P.S. Stevens

543-543
- PDF
Phenology of three hover fly (Diptera: Syrphidae) species in Canterbury, New Zealand

N.A. Irvin, S.D. Wratten, C.M. Frampton

543-543
- PDF
Host plant resistance to hessian fly in wheat and barley

M.O. Harris, M. Sandanayake, W. Griffin, R.A. Pickering

544-544
- PDF
Alphachloralose sedation: does it have potential for Canada goose control?

J.P. Strange, G.J. Hickling

544-544
- PDF
Habitat manipulation for lucerne: a renaissance for strip-cutting?

Z. Hossain, G.M. Gurr, S.D. Wratten

545-545
- PDF
Field-scale habitat manipulation for the biological control of potato moth by Copidosoma koehleri

L.R. Baggen, G.M. Gurr

545-545
- PDF
Plant Pest Information Network (PPIN): an active information system to support plant protection research

K.L. Beal

546-546
- PDF
Profile from the past: 50 years of the New Zealand Plant Protection Society

J.F. Pearson

546-546
- PDF