Vol. 35 (1982)

Proceedings of the New Zealand Weed and Pest Control Conference - Volume 35

DOI: https://doi.org/10.30843/nzpp.1982.35

Published: 1982-08-01

Annual report 1981-82

M.J. Hartley

4-4
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Presidential address to the 34th Conference 1981

G.C. Atkinson

14-14
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Summary of the opening address to the 34th Conference

D. Kidd, MP for Marlborough

15-15
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Oriental fruit moth in New Zealand

R.T. Baker

17-21
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Integrated control of apple pests in N.Z. 18 Introduction and establishment of the organo-phosphate resistant predatory mite T. pyri in Waikato

C.H. Wearing, C.A. Proffitt

22-26
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Grass grub adults defoliate tamarillos in Northland

R.H. Blank, M.H. Olson

27-31
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Spray programmes for pest and disease control in tamarillos

P.T. Holland, D.W. McFarlane, T.K. McGhie

32-35
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Mealybug control in grapes

R.W. Prince, P.W. Fisher

36-38
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Control of black currant leaf spot

W.T. McLaughlan, D. Litchfield

39-43
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Control of powdery mildew in grapes

R.W. Prince, P.W. Fisher

44-47
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Control of Botrytis cinerea in grapes

P.W. Fisher, R.W. Prince

48-52
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Kiwifruit seedling tolerance to soil applied herbicides

G.J. Wilson

53-57
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Weed control in newly transplanted blueberries

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

58-61
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Weed control in black currants

F.A. Meeklah, R.B. Mitchell

62-66
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Herbicides for establishing grape cuttings

D.J. Swain

67-69
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Yarrow: rhizome control by cultivation

G.W. Bourdot

70-74
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Clover defoliation before spraying with 2,4-D and its effect on clover recovery

D.K. Edmonds, P. Sanders, A.I. Popay

75-78
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Chemical control of perennial nettle

A.I. Popay, D.K. Edmonds, P. Sanders

79-81
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Effects of grass grub density on production of tall fescue, cocksfoot and ryegrass sown with white clover

R. East, M.S. Koller, B.E. Willoughby

82-85
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The effect of cultivation on disease incidence in grass grub populations

A.J. Miln

86-89
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The potential of one high rate application of synthetic pyrethroids for control of adult grass grub

M.S. Venning, D.R. Lauren, R.F. Henzell

90-93
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A comparison of lindane broadcast and drilled spring for grass grub beetle control

D.R. Lauren, R.F. Henzell, N.R. Wrenn

94-97
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An investigation into the possibility of using lindane for grass grub control on dairy farms.

N.A. Thomson, J.F. Lagan

98-102
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Progress with the use of nematodes and bacteria for the control of grass grub

T.A. Jackson, T.E.T. Trought

103-106
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Chemical control of striped chafer and porina in improved tussock grassland

B.I.P. Barratt, K.M. Stewart

107-109
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Field evaluation of baits for porina control

Alan Carpenter

110-112
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Cricket damage on the Kaipara clay flats, Ruawai in 1982

R.H. Blank, D.S. Bell, C.R. Page, M.H. Olson

113-118
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An association of Lolium endophyte with ryegrass resistance to Argentine stem weevil

R.A. Prestidge, G.M. Barker

119-122
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Parasites and predators of lucerne aphids at Flock House, Bulls

L.H. Bates, A.J. Miln

123-126
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Fungicide seed treatments improve lucerne establishment

R.E. Falloon, R.A. Skipp

127-129
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Gorse control with sheep and goats

J.E. Radcliffe

130-134
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Control of young gorse plants by grazing

M.H. Hartley

135-137
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Control of seedlings by low rates of herbicides

M.J. Hartley, A.I. Popay

138-140
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Response of mature gorse to different esters of 2,4,5-T and fenoprop and picloram

John M. Balneaves

141-144
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2,4,5-T uptake by gorse - dependence on foliar development and herbicide formulation

J.A. Zabkiewicz, R.E. Gaskin

145-148
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Gorse control by stump treatment

M.J. Hartley, A.I. Popay

149-151
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Seasonal germination and establishment of gorse

G.W. Ivens

152-156
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A multiple spray regime for broom control in forestry operations

John M. Balneaves

157-161
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Movement of hexazinone spots applied to hill slopes

K.C. Harrington, M.P. Rolston, G.W. Ivens

162-165
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Chemical control of blackberry in northland

P.W. Shannon, J.M. Leslie

166-168
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3, 6-DCPA and 3, 6-DCPA mistures for selective brushwood control in radiata pine

G.R. Rutherford

169-172
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Stripe rust of wheat: symptoms, epidemiology and host range in New Zealand

I.C. Harvey, R.M. Beresford

173-176
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Breeding and selection of stripe rust resistant cultivars

G.M. Wright, F.R. Sanderson

177-180
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Control of wheat diseases in Canterbury

B.L. McCloy

181-185
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Fungicide treatment for stripe rust control in Canterbury

P. McCullough

186-190
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Seed treatment and foliar-applied fungicides for control of stripe rust in Southland

W.H. Risk, R.M. Beresford

191-195
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Propiconazole - A new systemic fungicide for disease control in cereals

T.M. Patterson

196-198
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Diclobutrazol for stripe rust control in wheat

D.J.I. Jacobson

199-203
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Fungicide treatment for stripe rust control in Southland and South Otago

P. McCullough

204-207
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Seed treatment and foliar spray control strategies for disease control in winter wheat cv. Kopara

K.C. Chan, R.E. Gaunt

208-211
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The formulation of a strategy for the control of stripe rust in wheat

J. Hedley, B.L. McCloy

212-214
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Control of annual and perennial weeds in maize established by conventional and conservation tillage practices

M.L. Yortt

215-218
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Weed control for sorghum with minimum tillage

G.J. Piggott

219-221
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Herbicide extenders: a new concept of weed control

B. Capper

222-225
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An evaluation of diclofop-methyl plus surfactant for wild oat control in wheat

W.T. McLaughlan

226-229
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The tolerance of some bread wheats, duram wheats and triticales to herbicides used for wild oat control

W.J.P. Mitchel

230-232
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Yellow gromwell control with herbicides in wheat

G.W. Bourdot, J.H.B. Butler, G.A. Hurrell

233-236
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New seed treatments and foliar sprays for control of spot blotch of barley

J.E. Sheridan, M.V. Dawson, N. Grbavac

237-241
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Control of crown rust in oats in the manawatu

P.A. Burnett, J.W.P. Mitchel

242-244
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CDA of fungicides for control of crown rust of oats

J.E. Sheridan, H.V. Dawson

245-247
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Influence of cultivation, sowing date and the life cycle of Argentine Stem weevil relative to seedling survival in maize

G.M. Barker, R.P. Pottinger, P.J. Addison

248-251
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The effect of droplet density and spray mix volume on control of blue-green lucerne aphid

N.R. Wrenn, R.A. Skinner

252-255
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Ragwort control using a rope wick applicator

W. Makepeace, A. Thompson

256-260
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PP100 an alternative formulation of diquat for control of submerged aquatic weeds

J.S. Clayton, C.C. Tanner

261-264
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Testing of systemic fungicides against Phytophthora cactorum

P.C. Long

265-268
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Prochloraz - a new spectrum fungicide

D.L. Ballard, W.T. McLaughlan

269-273
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Sethoxydim - a new post-emergence selective grass herbicide

R.W. Naish, I. Iwataki, M. Ishikawa

274-278
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Fluazifop-butyl for selective control of many grass weds in broadleaf crops

T.M. Stewart, D.J.I. Jacobson, K.D. Kilsby

279-283
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The planning of experiments

J.H. Maindonald

284-288
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Some aspects of the analysis and presentation of data from comparative trials

N.R. Cox

289-293
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Ranking and selecting: what to do if your ANOVA rejects the null hypothesis

H.P. Edwards

294-297
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Weed control in peanuts in Northland

G.J. Piggot, E.N. Honore, H.M. Morgan

298-300
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Control of weeds in edible chicory

B. Burney, J.T.K. Poll, A. Rahman

301-303
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Early season weed control in onions

J.J.C. Scheffer, G.J. Wilson

304-307
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Rationalization of spray programme for control of insect pests in Brussels sprouts

T.A. Jackson

308-311
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Didymella stem canker of tomatoes and its control

J.J. Soteros, L.H. Cheah

312-314
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The effect of weed interference in fodder beet yields

R.J. Field, Chong Woon Sum

315-318
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Weed control in sugar beet

A. Rahman, T.K. James, D.J. Bond, M.H. Gray

319-323
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Control of beet yellows disease vector Myzus persicae and the resultant effects on yield in Canterbury beet crops

S.L. Goldson, J.F. Pearson

324-327
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The effect of herbicides used on asparagus on the growth rate of the earthworm Allolobophora caliginosa

N.A. Martin

328-331
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Biology of potato mirid and Australian crop mirid on asparagus

R.J. Townsend, R.N. Watson

332-337
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Grass weed control in asparagus - preliminary results

A. Rahman, P. Sanders

338-339
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