Vol. 44 (1991)

Proceedings of the New Zealand Weed and Pest Control Conference - Volume 44

DOI: https://doi.org/10.30843/nzpp.1991.44

Published: 1991-01-08

Annual report 1990-91

A.J. Popay

10-10
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Presidential address to the 43rd Conference, 1990

R.P. Pottinger

14-16
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Tolerance of several species of tree seedlings to oxyfluorfen

A.L. Vanner

17-20
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Evaluation of herbicides for the control of Pinus contorta

J.W. Ray, N.A. Davenhill

21-24
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Control of sweet brier by the aerial application of glyphosate and Silwet L77

K.O. Fallow

25-27
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Control of bracken and selectivity of radiata pine to primisulfuron

R.D. Welsh, H.M. Beetz, G.B. Follas

28-30
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Establishment of gorse spider mite as a control agent for gorse

R.L. Hill, H.M. Grindell, C.J. Winks, J.J. Sheat, L.M. Hayes

31-34
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Cholecalciferol as an alternative to sodium monofluoroacetate (1080) for poisoning possums

C.T. Eason

35-37
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The responses of German wasps, Vespula germanica, to ingestion of the microbial toxin, avermectin B1

J.J. Dymock, S.A. Forgie, P.J. Wigley

38-41
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Wasp control by poison baiting: experiemental use of hydramethylnon in canned sardine bait

E.B. Spurr

42-46
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Evaluation of mating disruption of lightbrown apple moth in Nelson

D.M. Suckling, P.W. Shaw

47-51
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Monitoring leafroller moths in Bay of plenty kiwifruit orchards

A.R. Tomkins, D. Steven, C. McKenna, N. Lees, P. Sale

52-57
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Activity of neem, nutmeg and pine oils against the lightbrown apple moth

B.H. Rohitha, R.P. Pottinger, D.R. Lauren

58-60
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High temperature disinfestation of nectarines: lightbrown apple moth larvae

D.B. Birtles, B.C. Waddell, J.H. Maindonald

61-65
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Insect control on apples with RH-5992, a novel insect growth regulator

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

66-69
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Toxicity and repellency of insecticides to oribatid mites infesting kiwifruit

A.R. Tomkins, P.J. Gerard, C. Thomson

70-74
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Relative efficacy of chemicals for dormant season control of armoured scale on kiwifruit

R.H. Blank, M.H. Olson, J.E. Waller

75-79
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Monitoring and control of pear slug (sawfly) in an organic nashi orchard

C.W. van_Epenhuijsen, H.N. de Silva

80-85
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Fungicides for control of black spot and powdery mildew in organic apple production systems

R.M. Beresford, P.A.G. Elmer, M. Spink, R.T. Alexander, M.J. Daly

86-90
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Incidence of Erwinia herbicola in New Zealand apple orchards: implications for biological control

L.P. Kearns, CN. Hale

91-94
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A simple technique for determining herbicide mobility in soils

A. Rahman, T.K. James

95-98
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Persistence of metsulfuron in different soils

A. Rahman, T.K. James, P. Martin, D.K. Fullerton

99-104
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Seasonal uptake and translocation of metsulfuron in gorse (Ulex europaeus)

J.A. Zabkiewicz, R.E. Gaskin

105-108
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A comparison between two commercial organosilicone surfactants; their effect on the uptake and translocation of glyphosate in gorse (Ulex europaeus)

R.E. Gaskin, J.A. Zabkiewicz

109-111
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The effect of spray thickening anti-drift adjuvants on flow rates through nozzles

B. Richardson, J. Ray

112-115
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Control of weeds in five herb crops

T.K. James, A. Rahman, J.A. Douglas

116-120
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Effect of cultivation on weed seed emergence

M.J. Hartley

121-124
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Density dependence of weed seed production in two field crops

M.J. Hartley

125-128
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Identification of viruses in process tomatoes using commercial ELISA kits

K.G. Tate, J.D. Fletcher, D.W. Manktelow, A.J. Kale, I.S. Brice

129-133
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Control of Stemphylium leaf spot in asparagus with difenoconazole

G.B. Follas, H.M. Beetz

134-137
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Tolerance of Calla lilies to herbicides

A. Ingle, W.T. Bussell

138-142
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An evaluation of the efficacy of fungicides to control fairy ring spot of carnation

M. Braithwaite, R.C. Close, D.J. Saville

143-146
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Evaluation of three molluscicide baits against slugs in vegetables

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

147-149
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Integrated pest management in New Zealand: limitations and models for change

M.E. Whalon, D.R. Penman

150-155
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Weed research in western Canada

W.H. van_den_Bborn

156-159
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Pesticide use: an approach to conflict resolution

D.R. Penman, J.F. Brunner

160-164
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The economic cost of Argentine stem weevil in pastures in New Zealand

R.A. Prestidge, G.M. Barker, R.P Pottinger

165-170
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Seasonal damage by Argentine stem weevil to perennial ryegrass pastures with different levels of Acremonium lolii

A.J. Popay, R.A. Mainland

171-175
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Seasonal levels of peramine and lolitrem b. in Acremonium lolii-infected perennial ryegrass

O.J-P. Ball, R.A. Prestidge, J.M. Sprosen, D.R. Lauren

176-180
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The effects of the endophytic fungus, Acremonium starii on feeding and oviposition of the Argentine stem weevil

N.L. Bell, R.A. Prestidge

181-184
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Comparative pathogenicty of Beauvaria bassiana isolates to adult Argentine stem weevil in the laboratory

H.H. Goh, G.M. Barker, P.J. Addison, S.N. Lyons, A.C. Firth

185-188
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Glasshouse evaluations of seed treatments for protection of ryegrass seedlings from insect pests

G.M. Barker, P.J. Addison, l.N. Robertson

189-194
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A novel bait formulation for slug and snail control

G.M. Barker, R.P. Pottinger, J.M. Lloyd, P.J. Addison, A.C. Firth, A.P. Stewart

195-200
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Bacterial control of the sheep blow fly

M.L. Garnham, J.F. Pearson, T.A. Jackson

201-204
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Screening of plants and plant extracts for repellency to Tinea dubiella, a major New Zealand wool pest

P.J. Gerard, L.D. Ruf

205-208
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Pathogenicity of Beauvaria, metarhizium, Paecilomyces and Fusarium isolates against early instar grass grub (Costelytra zealandica) larvae

H.H. Goh, B. Willoughby, R.A. Prestidge, S.N. Lyons

209-211
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Grass grub damage in irrigated and dryland pastures near Carew, mid Canterbury

T.A. Jackson, R.J. Townsend

212-213
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Comparative pathogenicity to Argentine stem weevil of Beauveria bassiana from various hosts

G.M. Barker, H.H. Goh, S.N. Lyons, P.J. Addison

214-215
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Development of disease management systems (DMS) for Hawkes Bay pip and stone fruit production

D.W.L. Manktelow, K.G. Tate

216-219
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Survey of fungicide resistance in Monilinia fructicola in New Zealand

M. Braithwatie, P.A.G. Elmer, S. Ganev

220-224
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Survival of Monilinia fructicola resistant to MBC and dicarboximide fungicides on twig cankers and mummified fruits

N. Sanoamuang, R.E. Gaunt

225-228
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Inheritance of resistance to MBC and dicarboximide fungicides in isolates of Monilinia fructicola

N. Sanoamuang, R.E. Gaunt, A.G. Fautrier

229-231
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Post-harvest rots of avocados and their control

W.F.T. Hartill, P.R. Sale, D. Sawden

232-236
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A comparison of buprofezin and deltamethrin/oil for control of greenhouse whitefly on tamarillo

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

237-241
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Mating disruption of curant clearwing, Synanthedon tipuliformis

W.P. Thomas, G.M. Burnip

242-247
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Effect of fluvalinate on the development and survival of two-spotted spider mite

J.M. Holland, R.B. Chapman

248-251
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Use of discriminating concentration for monitoring propargite resistance in two-spotted spider mite

K.H. Kabir, R.B. Chapman, D.R. Penman

252-256
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Estimating selection for endosulfan resistance in coffee berry borer in New Caledonia

L.O. Brun, D.M. Suckling

257-259
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Greedy scale and the fungus Fusarium stilboides

A.M. Ferguson, J.D. Fletcher

260-261
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Control of blossom blight in stonefruit with difenoconazole

G. Follas, H.M. Beetz

262-264
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Preliminary observations of diseases on persimmon (Diospyros kaki) and their potential effect on fruit quality

H.H. Goh, S.N. Lyons, A.W. Mowat

265-267
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A system to accurately apply fine powders

A.M. Ferguson, M.J. King

268-269
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Evidence for the heritability of mCPA-resistance in giant buttercup (Ranunculus acris)

G.W. Bourdot, G.A. Hurrell

270-274
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Application time influences the development of herbicide resistance in giant buttercup (Ranunculus acris)

D.M. Leathwick, G.W. Bourdot

275-279
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Why nodding thistle receptacle weevil destroys so little nodding thistle seed in canterbury

D. Kelly, R. Wood

280-283
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Residual allelopathic effects of pasture grasses and legumes on nodding thistle seedling emergence and growth

D.A. Wardle, K.S. Nicholson, M. Ahmed

284-287
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Increasing temperatures may enhance emergence and seedling growth of nodding thistle, summer grass and spiny emex

M. Ahmed, d.A. Wardle

288-291
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Distribution and establishment of two biological control agents for ragwort in New Zealand

P. Syrett, J.M. Grindell, L.M. hayes, c.J. Winks

292-295
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Weed seed occurrence in cocksfoot seedlots

J.S. Rowarth, M.P. Rolston, A.A. Johnson

296-299
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Herbicide evaluation in China aster grown for seed

L. Phetpradap, J.G. Hampton

300-303
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The effect of propiconazole on leaf spot infection and seed yield of velvet grass

M.S. Tolentino, J.G. Hampton

304-306
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Net blotch of barley

J.E. Sheridan

307-309
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Evaluation of lamdacyhalothrin for control of greasy cutworm in seedling maize

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

310-311
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