Vol. 49 (1996)

Proceedings of the New Zealand Plant Protection Conference - Volume 49

DOI: https://doi.org/10.30843/nzpp.1996.49

Published: 1996-08-01

Presidential address to the 48th Conference 1995

A. Rahman

xiv-xiv
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Secretary's annual report 1995/96

J.A. Zabkiewicz

xv-xv
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Effect of insecticides on immature and mature stages of Encarsia citrina, an armoured scale parasitoid

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

1-5
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Pest control on kiwifruit with an insecticidal soap

A.R. Tomkins

6-11
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Evaluation of a mineral oil for pest control on kiwifruit

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

12-16
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A potential biological control agent for greenhouse thrips

K.J. Froud, P.S. Stevens, D.R. Cowley

17-20
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Mortality responses of tydeid mite following hot water treatment

V.M. Jones, B.C. Waddell

21-26
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Control of insect pests in persimmon with spray oils

R.E. Gaskin, B.H. Rohitha, P.T. Holland

27-31
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An evaluation of sulphur for brown rot control in Central Otago stonefruit

G.F. McLaren, J.A. Fraser, D.G. Lynch

32-36
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Postharvest rots of avocados: improved chemical control by using different application methods

K.R. Everett, L. Korsten

37-40
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Comparison of suction and beating tray sampling for apple pests and their natural enemies

D.M. Suckling, G.M. Burnip, A.R. Gibb, F.J.L. Stavely, S.D. Wratten

41-47
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Comparison between emergence and egg laying in applecurling midge (Dasyneura mali)

J.T. Smith, R.B. Chapman

48-51
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Sex pheromone communication in the apple leafcurling midge (Dasyneura Mali)

M.O. Harris, S.P. Foster, K. Agee, S. Dhana

52-58
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Biological control of woolly apple aphid by Aphelinus mali in an integrated fruit production programme in Nelson

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

59-63
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Response to purified Cry IB protein in lab-wild type crosses of lightbrown apple moth

D.M. Suckling, N.P. Markwick, P.J. Wigley, C. Frater, C.N. Chilcott, J. Maindonald

64-70
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Hot water treatment of lightbrown apple moth eggs on apples and nectarines

V.M. Jones, B.C. Waddell

71-74
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Mortality response of codling moth to methyl bromide fumigation and coolstorage

B.C. Waddel, R.J. Petry

75-80
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Can buprofezin control Froggatt's apple leafhopper, Edwardsiana crataegi?

J.G. Charles

81-84
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Decision support software as a medium for technology transfer in plant protection

M.R. Laurenson, R.M. Beresford

85-89
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Infection period forecasting for improved apple black spot management in Hawke's Bay

K.G. Tate, R.M. Beresford, P.N. Wood, D.W.L. Manktelow

90-95
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Applications of the MARYBLYT computer model for identifying infection risk for fire blight of apple

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

96-100
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Temperatures under glass slides used in monitoring the seasonal release of apple black spot ascospores

W.R. Henshall, R.M. Beresford

101-105
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Slaked lime, baking soda and mineral oil for blackspot and powdery mildew control in apples

R.M. Beresford, C.H. Wearing, R.R. Marshall, P.W. Shaw, M.J. Spink, P.N. Wood

106-113
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Dispersal of seeds under isolated gorse plants and the impact of seed-feeding insects

R.L. Hill, A.H. Gourlay, W.G. Lee, J.B. Wilson

114-118
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The biological control of Russell lupin in riverbeds with endemic plant pathogens

I.C. Harvey, A.M. Seyb, A.F.J. Warren, H. van_den_Ende

119-125
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Genetic comparison of Sclerotinia sclerotiorum isolates from New Zealand and USA

M.P. Noonan, T.R. Glare, I.C. Harvey, D.C. Sands

126-131
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The effectiveness of a sulfluramid concentrate mixed with canned sardine cat-food for control of wasps

E.B. Spurr, K.W. Drew, P.E.C. Read, G. Elliot

132-136
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Sub-lethal poisoning of possums with acute pesticides used in bait stations

R.J. Henderson, G.A. Morriss

137-142
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Sodium monofluoroacetate (1080) bait-shyness in a wild brushtail possum (Trichosurus vulpecula) population

S.C. Ogilvie, M.D. Thomas, H. Fitzgerald, D.R. Morgan

143-146
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Epidemiology of powdery mildew (Sphaerotheca fuliginea) of squash

L.H. Cheah, B.B.C. Page, J.K. Cox

147-151
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Evaluation of fenpiclonil as a potato seed tuber treatment for the control of R. solani and H. solani

R.D. Welsh

152-156
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Evaluation of fungicides for control of Acremonium sp. and Alternaria sp. flower spotting on calla lilies

M. Braithwaite, K.W.L. Knight, D.J. Saville, B.J.R. Alexander

157-160
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Weed control in young myoga ginger

J.M. Follet, J.A. Douglas, T.K. James

161-164
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Weed control in Perilla

M.J. Hartley

165-168
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Weed control in Licorice

M.J. Hartley

169-172
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Herbicides for Gentians

A. Ingle, G.K. Burge

173-176
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Can application technology help to manage pesticide resistance?

J-P. Praat, D. Manktelow, D.M. Suckling, J. Maber

177-182
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Interaction of organosilicone surfactant concentration and spray application factors in glyphosate efficacy

R. Gaskin, R.J. Murray, J.W. Ray

183-187
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Determination of the no observable effect level (NOEL) for four commonly used forestry herbicides on tomatoes

J.W. Ray, A.L. Vanner, B. Richardson, G. Coker

188-191
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Modelling of pesticide residues on fruit II: persimmon

P.T. Holland, C.P. Malcolm, A.D. Mowat, B.H. Rohitha, R.E Gaskin

192-197
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Persistence of acetolactate synthase inhibiting herbicides in a Canterbury soil

R.W. McDowell, F. Dastgheib, L.M. Condron

198-201
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Influence of lime on activity and persistence of tribenuron and thifensulfuron in soil

A. Rahman, T.K. James, M.J. Cornwell

202-206
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Persistence of bromacil in soils with different management histories

P. Sanders, D. Wardle, A. Rahman

207-211
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Potential pathogenicity of pasture plant root-colonising fungi to seedlings of legumes and grasses

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

212-215
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Soil moisture effects on root rot of white clover caused by Codinaea fertilis

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

216-219
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A survey of ryegrass mosaic virus and endophyte in Otago and Southland

T.E. Smales, C.M. Ferguson, P.L. Guy, J.A. Shand

220-224
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Sclerotinia sclerotiorum and mowing independently reduce Californian thistle in a sheep pasture

G.A. Hurrell, G.W. Bourd?t

225-228
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Effect of control treatments on the root reserves of Californian thistle (Cirsium arvense)

R.B. Mitchell, L.T. Davis

229-233
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Insect pests associated with white and caucasian clover in a Bay of Plenty dairy pasture

R.N. Watson, F.J. Neville, N.L. Bell

234-238
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Seedling growth of nine white clover cultivars after invasion by clover nematodes

R.N. Watson, G. Dickie, F.J. Neville, N.L. Bell

239-243
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Effects of whitefringed weevil larval feeding on ryegrass and white clover in the laboratory

S. Hardwick, R.A. Prestidge

244-248
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Evaluation of diflubenzuron for porina control in South Otago

C.M. Ferguson, G.W. Kearse, A.A. Evans

249-252
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Biological control of clover cyst nematode (Heterodera trifolli) with fungi parasitic to nematodes or their eggs

F.S. Hay, L. Bateson

253-256
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Large scale production of New Zealand strains of Beauveria and Metarhizium

T.L. Nelson, A. Low, T.R. Glare

257-261
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Predicting Canterbury grass grub outbreaks: the role of temperature

N.D. Barlow, T.A. Jackson, R.J. Townsend

262-265
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Sitona lepidus Gyllenhal newly established in New Zealand: assessment of distribution in the North Island

G.M. Barker, P.J. Addison, A.C. Firth, B.I.P. Barratt

266-269
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Phenology of Listronotus bonariensis (Kuschel) (Coleoptera: Curculinonidae) in Otago

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

270-274
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Pasture and lucerne pests as virus vectors

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

275-279
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Circadian pattern of oviposition in the parasitoids Microctonus aethiopoides Loan and M. hyperodae Loan (Hymenoptera: Braconidae), in relation to host activity

S.M. Armstrong, B.I.P. Barratt, A.A. Evans

280-284
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Fecundity of wild and laboratory reared ecotypes of Microctonus hyperodae Loan (Hymenoptera: Braconidae)

C.B. Phillips, G.M. Barker, R.L. Roberts, M.R. McNeill, S.L. Goldson

285-290
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Spatial distribution of weed seedbank in maize cropping fields

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

291-295
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Presence, development, yield effects and control of late season diseases of wheat in Canterbury in 1995/96

M.A. Mace, M.G. Cromey

296-299
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Economics of herbicide use in cereal crops - influence of spring rainfall

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

300-303
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Lambda-cyhalothrin: an insecticide for hemipteran pest control in white clover seed crops

N. Schroeder, D.B. Baird, E.A. Upritchard, A. Simeonidis

304-308
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The activity and diversity of ground arthropods in an agroforestry system

R.K. Peng, S.L. Sutton

309-313
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Poster Abstracts

Soil-borne fungi unlikely primary cause of wilt in Boronia megastigma oil crops

R.E. Falloon, P.G. Broadhurst, H.M. Nott

314-314
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Storage rots of carrot and their control

L.H. Cheah, D.W. Brash, A.P. Marshall

314-314
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Camellia flower blight (Ciborinia camelliae Kohn) - a new disease of camellia in New Zealand

T.M. Stewart, H. Neilson

315-315
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Population dynamics on apple blossoms of three biological control agents of fire blight sprayed alone and in combination

Darienne Voyle, Janet Yu, Joel L. Vanneste

315-315
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Inhibition by Erwinia herbicola Eh252 of bacterial soft rot due to Erwinia on carrot slices in compost

Deirdre A. Cornish, Joel L. Vanneste

316-316
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Saprophytic suppression of Botrytis cinerea sporulation on kiwifruit leaf tissue

M.A Walter, P.A.G. Elmer, K.S.H. Boyd-Wilson, J. Perry, I. Kohl

316-316
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Does inoculation of hybrid berry flowers (Rubus spp.) with Botrytis cinerea cause berry rot?

K.S.H. Boyd-Wilson, M. Walter, J. Perry

317-317
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The activity of hydrolases in liquid cultures of silverleaf (Chondrostereum purpureum)

R. Van_Hekezen, E.A. Slade, J.T. Christeller

317-317
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Plant parasitic nematodes in New Zealand cereals

Karen Knight

318-318
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The control of aphids in potatoes with pymetrozine

G. Follas

318-318
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Parameters affecting catch of lightbrown apple moth in pheromone-treated orchards

D.M. Suckling, G. Karg

319-319
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Behavioural responses of Lepidoptera larvae to endotoxins and a commercial formulation of Bacillus thuringiensis

M.O. Harris, F. Mafileo, S. Dhana

319-319
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Stimuli influencing host-finding behaviour of apple leafcurling midge (Dasineura mali) females

L.D. Galanihe, M.O. Harris

320-320
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Stimuli influencing the movement and settling of newly eclosed Epiphyas postvittana larvae

M.O. Harris, R. Bate, S. Dhana

320-320
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