Vol. 41 (1988)

Proceedings of the New Zealand Weed and Pest Control Conference - Volume 41

DOI: https://doi.org/10.30843/nzpp.1988.41

Published: 1988-01-08

Presidential address to the 40th Conference, 1987

T.M. Patterson

14-14
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Address by Sir David Beattie to 40th Annual Conference

D. Beattie

15-20
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Annual report 1987-88

A.J. Popay

20-20
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Residual activity of triasulfuron in several New Zealand soils

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

21-25
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Disease measure in barley crops

H.G. Whelan, R.E. Gaunt

26-29
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Control of Rhynchosporium scale of barley by seed and foliar fungicides

J.E. Sheridan, D.K. Nendick

30-33
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Effects of cereal host, insecticide and locality on the incidence of barley yellow dwarf virus in the South Island

M.W. Stufkens, J.A. Farrell

34-38
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Efficacy, persistence and movement of clethodim in two soils

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

39-43
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Effect of quizalofop on some annual and perennial grass weeds

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

44-48
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Persistence and movement of quizalofop in two soils

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

49-52
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Leaf expansion effects on post-emergence herbicide performance

R.L. Dickson, M. Andrews, R.J. Field

53-56
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Mulches for weed control in asparagus and kiwifruit

A. Ingle, W.T. Bussell

57-60
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Current status of biological control of alligator weed in New Zealand

B.A. Philip, C.J. Winks, P.W. Joynt, O.R.W. Sutherland

61-65
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Chemical control of field horsetail

C.C. Bell, A.I. Popay

66-69
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Grecian thistle phenology and control

F.C. Allen, R.A. Harrison

70-74
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Chemical control of fleabane (Pulicaria dysenterica)

C.C. Bell, A.I. Popay

75-76
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The cost of integrated pest management for cymbidium orchids

N.A. Martin, P. Workman

77-80
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Pendimethalin for early season weed control in onions in Pukekohe

J.J.C. Scheffer, R.J. Hume

81-84
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Insecticide resistance in green peach aphid from potatoes in South Auckland

P.J. Cameron, G.P. Walker

85-89
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Studies on asparagus tip rot

A. Carpenter, N. Grbavac, A. Stocker, G.J. van_der_Mespel, A. Marshall

90-95
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Essential oil yields from blighted fennel

I.C. Harvey, R. Welsh, N.G. Porter, H. Hamblin

96-98
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Bacillus thurgingiensis for control of tomato fruitworm

P.J. Cameron, G.P. Walker

99-100
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Thrips control on nerine flowers with fluvalinate

A. Carpenter, A. Stocker

101-102
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Economics of using a grooved roller for control of grass grub in Southland

R.F. van_Toor

103-107
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Subsurface application of the bacterium Serratia entomophila for control of grass grub in Canterbury

T.A. Jackson, J.F. Pearson, T.M. Broad, M. O'Callaghan, H.K. Mahanty

108-112
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The effect of potassium fertiliser, stand age and damage history on response of lucerne to Sitona discoideus larvae

S.L. Goldson, J.R. Proffitt

113-117
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Survey of Argentine stem weevil and hessian fly in prairie grass in the northern north Island

R.A. Prestidge, S.G. van_der_Zjipp

118-120
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Infection of nine white clover cultivars by Sclerotinia trifoliorum and Ditylenchus dipsaci

R.N. Watson

121-125
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Effect of myclobutanil and propiconazole on endophyte and rust fungi in ryegrass

G.C.M. Latch, M.J. Christensen

126-128
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Endophytes in Northland ecotypes of hybrid ryegrass

G.J. Piggott, H.M. Morgan, R.J. Bakker

129-131
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A simplified technique for rapid estimation of adult Argentine stem weevil populations

G.M. Barker, P.J. Addison

132-134
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Effect of the bacterium Serratia entomophila on feeding and pasture damage by grass grub larvae

T.A. Jackson

135-137
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Low temperature activity and infectivity of a parasitic nematode against porina and grass grub larvae

P.J. Wright, T.A. Jackson

138-140
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Silwet L-77: A new development in spray adjuvants

P.J.G. Stevens, R.E. Gaskin, J.A. Zabkiewicz

141-145
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Silwet M improves performance of glyphosate on gorse

J.M. Balneaves, B.J. Fredric

146-148
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Effect of Silwet L-77 on uptake and translocation of metsulfuron on gorse

J.M. Balneaves, B.J. Fredric

149-152
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Surfactant effects on activity of glyphosate and haloxyfop in pampas grass

R.E. Gaskin, B. Murray

153-155
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Herbicides for pampas control

N.A. Davenhill

156-159
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Control of wilding confiers by applying herbicides to cut stumps

L.R. Crozier, T.R. Zych, N.J. Ledgard

160-163
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Simazine rates and mixtures for poplar and willow cuttings

A.N. Gilchrist

164-168
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Effect of water volume on metsulfuron applied to gorse

A.L. Vanner, J.W. Ray

169-170
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Effects of metsulfuron methyl and Silwet l-77 on the control of young gorse

J.M. Balneaves

171-172
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Response of Robinia pseudoacacia to three herbicides

J.M. Balneaves, O. Krijgsman

173-174
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Predicting European red mite egg hatch on apricots. 1. A degree-day model

M.G. Hill, G.F. McLaren

175-178
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Predicting European red mite egg hatch on apricots. 2. The use of historical temperature data

M.G. Hill, G.F. McLaren

179-182
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Use of a computer model for recommending miticide spray timing against european red mite on apples

A.J. Hayes, G.F. McLaren, J.T.S. Walker

183-188
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Monitoring azocyclotin and propargite resistance in European red mite

M.H. Bowie, R.B. Chapman, J.T.S. Walker

189-192
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Evaluation of fungicide programmes compatible with integrated control of European red mite

J.T.S. Walker, G.T. Baynon, P.W. Shaw, d. Cassidy

193-197
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Effect of hexythiazox on the development of two-spotted mite

R.B. Chapman, D.R. Penman

198-201
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Using Phytoseiulus to control two-spotted mites in strawberries

J.G. Charles

202-206
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Wind dispersal of nodding thistle seeds and pappi

D. Kelly, H. Cameron, J. Alex

207-209
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Emergence of nodding thistle seedlings in pasture at two sites in the Waikato

P. Martin, A. Rahman

210-213
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Influence of sheep grazing on the survival and fate of nodding thistle rosettes

P. Martin, A. Rahman

214-218
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Resistance of nodding thistle to MCPA in hawkes Bay

K.C. Harrington, A.I. Popay, A.G. Robertson, H.G. McPherson

219-222
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Spot treatment of ragwort and nodding thistle with DPX-L5300

P. Martin, A. Thompson, A. Rahman

223-225
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The flowering behaviour of barley grass

A.I. Popay, F.C. Allen

226-230
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Differential tolerance of MCPA among giant buttercup (Ranunculus acris) biotypes in Takaka, Golden Bay

G.W. Bourdot, G.A. Hurrell

231-234
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A comparison of granular herbicides for chilean needle grass (Stipa neesiana) control

G.A. Hurrell, G.W. Bourdot

235-237
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Winter inspection of kiwifruit orchards for scale

R.H. Blank, M.H. Olson

238-242
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Laboratory evaluations of insect growth regulators against lightbrown apple moth

R.A. McGhie, A.R. Tomkins

243-248
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Serratia entomophila for control of grass grub in strawberries

M. O'Callaghan, T.A. Jackson

249-252
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Weed control in newly planted autumn-cropping raspberries

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

253-257
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Weed control improves the growth and yield of young fruit trees

M.J. Hartley

258-261
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Thrips control on stonefruit at harvest with fluvalinate

D.A.J. Teulon, D.R. Penman

262-266
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Effect of ergosterol biosynthesis inhibitor fungicides during blossoming on leaf curl in nectarines

L.H. Cheah, K.G. Tate, A.W. Hunt, R.S. Gawith

267-270
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Dicarboximide resistance and disease control in brown rot of stonefruit

P.A.G. Elmer, R.E. Gaunt

271-274
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A review of paclobutrazol use on New Zealand stonefruit crops

W.F. Leonard, G.B. Brown, G.W. Harris

275-279
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Effect of paclobutrazol on kiwifruit and avocado

B.F. Evans, W.F. Leonard, D.R. Grimshaw

280-285
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Thrips as potential vectors of brown rot of stonefruit in New Zealand

E.C. Ellis, D.R. Penman, R.E. Gaunt

286-287
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The New Zealand Committee on Pesticide resistance 1988 Summary

G.S. Elliott, M.S. Moore, C.H. Wearing

288-292
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Blightgame - a computer aid for teaching plant disease management

T.M. Stewart

293-295
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The Weed-a-metre

N.A. Davenhill, P. Hall

296-297
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An extraction method for sampling small insect from vegetation

D.A.J. Teulon, D.R. Penman

298-300
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A new multifunctional spray adjuvant

R. McLean

301-302
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