Vol. 47 (1994)

Proceedings of the New Zealand Plant Protection Conference - Volume 47

DOI: https://doi.org/10.30843/nzpp.1994.47

Published: 1994-01-08

Presidential address to the 46th Conference 1993

M.J. Willocks

xv-xv
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Secretary's annual report 1993/94

J.A. Zabkiewicz

xvi-xvi
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Seedling emergence in Chenopodium album and the predictive value of soil seed banks

G.W. Bourdot, G.A. Hurrell, A. Rahman, R. Abernethy, N. Grbavac

1-5
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Field persistence of some maize herbicides in two soils

A. Rahman, T.K. James

6-10
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Effect of adjuvants and stage of growth on the efficacy of three sulfonylurea herbicides on grass weeds

T.K. James, A. Rahman

11-16
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Plant pathogens on flag leaves and spikes in Canterbury wheat crops in 1993/94

M.G. Cromey, H.J. Boddington, M.A. Mace

17-21
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Propargyl - a post-emergent herbicide for selective control of wild oats and canary grasses in wheat, triticale and durum

R.D. Welsh

22-26
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Effect of grass-selective herbicides on certain pasture and weed species

R.J. Abernethy, R.B. Mitchell

27-28
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Decomposition of weed tissues in a pasture and a maize crop: implications for nutrient cycling

K.S. Nicholson, D.A. Wardle

29-33
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Cyclic oscillations between a summer-annual (C4) and a winter-annual weed grass in Waikato dairy pastures

D.A. Wardle, G.M. Barker, K.S. Nicholson, P.J. Addison

34-37
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The effect of herbicides on Lotus corniculatus establishment in dryland Central Otago

R.B. Mitchell, R.J. Abernethy

38-43
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Weed control in the establishment of limpo grass (Hemarthria altissima)

P.W. Woods, Z. Shengwen, J.N. Couchman

44-48
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Field studies of ragwort establishment

W.B. Beskow, K.C. Harrington, K. Betteridge, A.M. da S. Beskow

49-52
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Ragwort (Senecio jacobaea) control by sheep in a hill country bull beef system

K. Betteridge, D.A. Costall, S.M. Hutching, B.P. Devantier

53-57
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Resistance of Ranunculus acris crown tissue enables survival after infection by Sclerotinia sclerotiorum

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

58-61
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Evaluation of thifensulfuron for control of some pasture weeds

P. Sanders, A. Rahman

62-67
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Control of phenoxy herbicide resistant nodding thistle (Carduus nutans) in pasture

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

68-74
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Dalapon resistant individuals in a susceptible population of Chilean needle grass

M.J. Hartley

75-79
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Effect of three soil fumigants on the viability of buried seeds of Chilean needle grass (Stipa neesiana)

G.A. Hurrell, G.W. Bourdot, R.M. Hunter

80-83
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Evaluation of an automatic herbicide dispenser for rotary weed wipers

R.F. van_Toor, R.B. Mitchell, R.J. Abernethy

84-87
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Ragwort and Californian thistle - most important weeds in dairy pasture?

G.W. Bourdot, D. Saville, A. Sunckell

88-90
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Effect of applying glyphosate and clopyralid by rotary weed wiper on Californian thistle in Southland

R.F. van_Toor

91-92
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Seed germination of horehound

F. Dastgheib, R.J. Field

93-94
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The effect of seed diameter on germination rate and early growth in Californian thistle (Cirsium arvense)

S.K. Adams

95-97
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Temperature-dependent phenology of gorse spider mite

A.J. Hayes, A.H. Gourlay, R.L. Hill

98-102
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Development of Stethorus bifidus in relation to temperature: implications for regulation of gorse spider mite populations

P.G. Peterson, P.G. McGregor, B.P. Springett

103-106
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Possum control in native forests using sodium monofluroacetate (1080) in bait stations

M.D. Thomas

107-111
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Field evaluations of cholecalciferol, gliftor, and brodifacoum for the control of brushtail possums (Trichosurus vulpecula)

R.J. Henderson, C.M. Frampton, M.D. Thomas, C.T. Eason

112-116
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Tolerance of nursery seedlings of forest tree species to post-emergence herbicides

A.L. Vanner

117-120
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Evaluation of the mycoherbicide potential of fungi found on broom and gorse in New Zealand

P.R. Johnston, S.L. Parkes

121-124
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Control of aphids in tomatoes and brassicas with pymetrozine

G. Follas, S. Bland

125-127
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Border planting to enhance biological control of brassica pests by hoverflies (Diptera: Syrphidae)

A.J. White, S.D. Wratten, N.A. Berry, U. Weigmann

128-134
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Furathiocarb seed treatment for the control of springtails on seedling brassicas

P.J. Addison, R.D. Welsh

135-138
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The potential for biological control of thrips in greenhouse capsicums using the predatory mite Amblyseius cucumeris

P.J. Workman, J.J. Dymock, N.A. Martin, I.L. Ennis

139-143
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Confirmation of a pesticide-resistant strain of Western flower thrips in New Zealand

N.A. Martin, P.J. Workman

144-148
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Quarantine host range tests on two exotic parasitoids imported for aphid control

M.W. Stufkens, J.A. Farrell

149-153
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Effect of pheromone trap position and colour on tomato fruitworm moths and bumble bees

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

154-158
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Nuclear polyhedrosis and granulosis viruses for the control of the common cutworm Agrotis segetum (Lepidoptera: Noctuidae)

T.C. Bourner, J.S. Cory

159-162
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Weed control in Calla seedlings

T.J. MacKay, K.C. Harrington

163-167
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Herbicide tolerance and weed control in meadowfoam (Limnanthes alba)

C.D. Waugh, K.C. Harrington

168-172
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Brassica napus mutants with increased chlorsulfuron resistance

A.J. Conner, D.J. Abernethy, F. Dastgheib, R.J. Field

173-177
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Evaluation of fungicides for control of ringspot on cabbage

P.G. Broadhurst

178-182
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Tolerance of medicinal plants to soil active herbicides

R.B. Mitchell, R.J. Abernethy

183-187
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Effect of different soil preparation methods and herbicides on weeds and establishment of coriander

R.B. Mitchell, R.F. van_Toor, R.J. Abernethy

188-192
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A comparison of expulsion methods for thrips and aphids from asparagus spears

C.W. van_epenhuijsen, S. Wright

193-195
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Nysius huttonii White (Heteroptera: Lygaedidae) a pest of direct drilled brassicas

C.M. Ferguson

196-197
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Erwinia herbicola Eh352 as a biological control agent of bacterial soft rot on potatoes

J.L. Vanneste, J.H. Perry, L.J. Perry-Meyer, R.J. Bedford

198-200
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A comparison between real and simulated insect defoliation of white clover seedlings and the effects of timing and degree of damage

B.I.P. Barratt, P.A. Jones

201-205
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Susceptibility of legume and Hieracium spp. seedlings to feeding by native broad-nosed weevils (Coleoptera: curculionidae)

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

206-209
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The distribution of adult Argentine stem weevils in Canterbury dryland pastures

N.D. Barlow, J.R. Proffitt, S.L. Goldson

210-214
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A preliminary investigation into the longevity and fecundity of Microctonus hyperodae, a parasitoid of Argentine stem weevil

S.L. Goldson, M.R. McNeill

215-219
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The South American origins of New Zealand Microctonus hyperodae parasitoids as indicated by morphometric analysis

C.B. Phillips, D.B. Baird, S.L. Goldson

220-226
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Effect of selected isolates of Acremonium endophytes on adult black beetle (Heteronychus arator) feeding

O.J-P. Ball, M.J. Christensen, R.A. Prestidge

227-231
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Argentine stem weevil infestations in forage grasses under irrigation in the Waikato

G.M. Barker, P.J. Addison

232-237
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The effect of Argentine stem weevil on annual ryegrass sown in February in northern New Zealand

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

238-243
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Beneficial and deleterious rhizosphere bacteria in New Zealand pastures

J.A. Brown, G. Burch, S.U. Sarathchandra

244-247
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Forest remnants: their potential as a source of natural enemies in agriculture

V. Munro, R.G. Death

248-252
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Bumblebee,(Bombus terrestris) movement in an intensive farm landscape

M.J. Schaffer, S.D. Wratten

253-256
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Phenology of whitefringed weevil (Graphognathus leucoloma) in pasture in northern New Zealand

S. Hardwick, R.A. Prestidge

257-260
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The distribution of the parasitoid Microctonus aethiopoides Loan (Hymenoptera: Braconidae) in southern South Island Sitona discoideus Gyllenhal (Coleoptera: Curculionidae) populations

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

261-265
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Temperature limitations on field effectiveness of Metarhizium anisopliae against Costelytra zealandica (White)(Coleoptera: Scarabaeidae) in Canterbury

T.R. Glare, R.J. Townsend, S.D. Young

266-270
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Mixed culture fermentation for production of bacterial cocktails

J.F. Pearson, T.A. Jackson, S.D. Young, M. O'Callaghan

271-273
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The establishment of an Argentine stem weevil parasitoid at its release sites

S.L. Goldson, G.M. Barker, B.I.P. Barratt

274-276
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Evaluation of two strains of Bacillus thuringiensis var. kustaki against early instar grass grub (Costelytra zealandica) larvae

B. Willoughby, R.A. Prestidge, C. Seay, J. Gray

277-278
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Factors affecting the distribution of Listronotus bonariensis (Kuschel) (Coleoptera: Curculionidae) in Otago and Southland

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

279-281
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Argentine stem weevil and leafminer damage in forage grasses in Waikato hill country

G.M. Barker

282-283
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Relative susceptibility to feeding by Argentine stem weevil among warm-season weed grasses

G.M. Barker, A.C. Firth

284-286
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Screening a range of white clover and two red clover lines for relative tolerance to clover flea

B.M. Cooper

287-288
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Field evaluation of fungicides for control of peach leaf curl (Taphrina deformans)

K.G. Tate, P.N. Wood

289-293
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Preliminary survey of Citrus Tristeza virus in New Zealand

T.E. Dawson, P.A. Mooney

294-298
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Effect of high CO₂and temperature on botrytis storage rot and quality of kiwifruit

L.H. Cheah, D.E. Irving, A.W. Hunt

299-303
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Relationship between armoured scale infestations on kiwifruit leaves and fruit

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

304-309
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An insect growth regulator for controlling leafrollers on kiwifruit

P.S. Stevens, D. Steven

310-313
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The effects of hydrogen cyanamide and mineral oil on kiwifruit performance

A.C. Richardson, T.E. Dawson, R.E. Hampton, R.H. Blank

314-319
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Use of mulches and herbicides in an apple orchard

M.J. Hartley, A. Rahman

320-324
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The combined use of two biological control agents, Pseudomonas fluorescens A506 and Erwinia herbicola Eh352, as a new strategy to control fire blight

J.L. Vanneste, J. Yu, P.J. Wright

325-328
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A commercial mite monitoring service for nelson apple orchardists

P.W. Shaw, P. Harris-Virgin, A.J. Hayes

329-332
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Resistance in Froggatt's apple leafhopper Edwardsiana crataegi douglas to azinphos-methyl

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

333-336
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A new insect growth regulator, CGA 59205, with promising activity against scale insects

A.R. Tomkins, G. Follas, C. Thomson, d.J. Wilson

337-340
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Lufenuron - an insect growth inhibitor for the control of leafrollers in apples and kiwifruit

G. Follas, R. Welsh, S. Bland, T.M. Patterson

341-345
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A survey of apple leafcurling midge (Dasyneura mali) management in Waikato orchards

A.R. Tomkins, D.J. Wilson, S.O. Hutchings, S. June

346-349
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Pollination of cherimoya in New Zealand

P.A. Anderson, A.C. Richardson

350-352
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Endophytes of apple and kiwifruit

P.R. Johnston

353-355
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Incidence of Botrytis cinerea and colonisation of necrotic leaf tissue in kiwifruit canopies

S.M. Hoyte, L.J. Perry-Meyer, R.A. Hill

356-358
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An acoustic technique for recording lemon tree borer activity in the laboratory

B.H. Rohitha, P.R. Calvert, R.A. Hill

359-361
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Screening of industrial yeasts for biocontrol of botrytis storage rot in kiwifruit

L.H. Cheah, A.W. Hunt

362-363
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The effectiveness of tebufenozide for control of five commodity insect pests

P.J. Gerard, L.D. Ruf

364-367
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Evaluation of barley straw as an inhibitor of water net (Hydrodictyon reticulatum) growth

R.D.S. Wells, J. Hall, I. Hawes

368-372
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The efficacy of copper-triethanolamine complex on water net (Hydrodictyon reticulatum)

R.D.S. Wells

373-378
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The effectiveness of cyromazine for the control of midge larvae in oxidation sewage ponds

G. Follas, t.M. Patterson

379-381
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ACU pesticide data base

W. Hughes

382-386
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Effect of an organosilicone surfactant on spray drop adhesion and retention by pea (Pisum sativum) leaf surfaces

W.A. Forster, J.A. Zabkiewicz

387-391
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Surfactant effects on the uptake of different herbicides by gorse

F. Dastgheib, R.J. Field, H. Searle

392-396
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Pesticide use reduction - logical decision making

L.J. Penrose, W.G. Thwaite, C.C. Bower

397-400
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Measurement of atrazine residues in soil and groundwater

T.K. James, D.R. Lauren, A. Rahman

401-405
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