Vol. 45 (1992)

Proceedings of the New Zealand Plant Protection Conference - Volume 45

DOI: https://doi.org/10.30843/nzpp.1992.45

Published: 1992-01-08

Presidential address to the 44th Conference 1991

R.P. Pottinger

14-16
- PDF
Annual report 1991/92

J.A. Zabkiewicz

16-16
- PDF
Evaluation of Silwet L-77 for postharvest disinfestation of thrip in asparagus

B.H. Rohitha, R.E. Gaskin, T. Hartley, A.K. Karl

17-20
- PDF
Envirosols as postharvest fumigants for asparagus and cutflowers

A. Carpenter, A. Stocker

21-26
- PDF
Herbicides for control of two bindweed species (Calystegia silvatica and Convolvulus arvensis) in asparagus

A. Rahman, P. Sanders

27-30
- PDF
Scouting for lepidopteran pests in commercial cabbage fields

N.G. Beck, T.J.B. Herman, P.J. Cameron

31-34
- PDF
The effect of herbicide on weed control and yield of cabbages

R.J. Abernethy, R.B. Mitchell

35-37
- PDF
Incidence of thrips and aphids as potential virus vectors in field tomatoes

P.J. Cameron, T.J.B. Herman, J.D. Fletcher

38-42
- PDF
Fungicide evaluation for control of didymella stem canker of tomatoes

L.H. Cheah, D. Stuart, D. Guddop, A.W. Hunt

43-45
- PDF
Control of leaf spots in carrots and early blight in potatoes and tomatoes with difenoconazole

G.B. Follas, H.M. Beetz

46-49
- PDF
Yield losses due to weeds in supersweet corn and dwarf beans

M.J. Hartley

50-54
- PDF
Weed emergence and crop production under different cultivation regimes

M.J. Hartley

55-59
- PDF
Floral resources for natural enemies: the effect of Phacelia tanacetifolia (Hydrophyllaceae) on within-field distribution of hoverflies (Diptera: Syrphidae)

G.L. Lovei, D. McDougall, G. Bramley, D.J. Hodgson, S.D. Wratten

60-61
- PDF
The effect of mulch on the incidence of insect pests, natural enemies and plant damage in organically grown cauliflowers

G.L. Lovei, B. Bycroft

62-63
- PDF
Destruction of unwanted asparagus crops

P. Sanders, A. Rahman

64-66
- PDF
The effects of two seed treatments on downy mildew and root rot of garden peas

I.C. Harvey, P. Lallu, T.I. Knight, R.T. Alexander

67-71
- PDF
Fungicide seed treatments for the control of Ascochyta fabae f. sp. lentis on lentils

A.C. Russell, G. Hagerty

72-74
- PDF
Disease resistance in winter wheat cultivars and effects of foliar fungicides on yield

M.G. Cromey, R. Hanson

75-78
- PDF
Adaptation of a German herbicide advisory system (HERBASYS) to New Zealand conditions

P. Gunther, T.K. James, A. Rahman, W. Pestemer

79-83
- PDF
Weed control and soil persistence studies with dimethenamid in maize

A. Rahman, T.K. James

84-88
- PDF
Chlorsulfuron effects on nitrate assimilation in a susceptible wheat cultivar

F. Dastgheib, M.F. Barnes, J.D. Morton, M. Andrews

89-92
- PDF
Tine weeding effects on cereal crops with few weeds

A.I. Popay, W. Stiefel, E. Sorenson

93-94
- PDF
Control of alternaria and melanose on citrus using chlorothalonil and cupric hydroxide

M.H. Olson, R.H. Blank, A.J. Read

95-98
- PDF
Effect of pesticides on predation of soft wax scale by the steel-blue ladybird

P.L. Lo, R.H. Blank

99-102
- PDF
Evaluation of organic pest control agents

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

103-110
- PDF
Thrips on nectarines in the spring

G.F. McLaren

111-115
- PDF
Postharvest control of diapausing two-spotted spider mite Tetranychus urticae Koch on fruit. I Comparison of insecticidal soaps and spray adjuvants

P.R. Dentener, S.M. Peetz

116-120
- PDF
Postharvest control of diapausing two-spotted spider mite Tetranychus urticae Koch on fruit. II Efficacy of Pulse on apples

S.M. Peetz, P.R. Dentener

121-125
- PDF
Measurement of sensitivity to DMI fungicides in populations of Uncinula necator

E. Shabi, R.E. Gaunt

126-128
- PDF
Field evaluation of a disease management system for peach brown rot in hawkes Bay

K.G. Tate, D.W. Manktelow

129-135
- PDF
Controlled atmospheres inhibit storage rot of cherries

D.W. Brash, L.H. Cheah, A.W. Hunt

136-137
- PDF
Changes in triforine sensitivity in populations of Monilinia fructicola from Hawkes Bay orchards

P.A.G. Elmer, M. Braithwaite, D.J. Saville

138-140
- PDF
Lemon tree borer damage on persimmon

B.H. Rohitha, T. Hartley, S.J. Franklin

141-142
- PDF
Herbicide tolerance of young nectarine trees

R.B. Mitchell, R.J. Abernethy

143-145
- PDF
Field evaluation of avermectin B1 for pest control on kiwifruit

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

146-150
- PDF
Teflubenzuron and phosalone alone and in combination for pest control on kiwifruit. I Armoured scale insects

A.R. Tomkins

151-155
- PDF
Teflubenzuron and phosalone alone and in combination for pest control on kiwifruit. II Caterpillars, secondary pests and contaminants

A.R. Tomkins

156-161
- PDF
Thrip control with fluvalinate on kiwifruit

A.R. Tomkins, D.J. Wilson

162-166
- PDF
Ovicidal activity of oils against lightbrown apple moth (Epiphyas postvittana) on kiwifruit leaves

A.R. Tomkins, C. Thomson

167-170
- PDF
Oil sprays and kiwifruit storage

P.S. Stevens, D. Steven

171-173
- PDF
A residual bioassay tehcnique to investigate scale crawler settlement on kiwifruit

R.H. Blank, P.L. Lo, G.S.C. Gill, M.H. Olson

174-179
- PDF
Sclerotinia infection in two kiwifruit orchards in the Bay of Plenty

H.H. Goh, S.N. Lyons

180-183
- PDF
Survival and viability of sclerotia of Sclerotinia selerotiorum in two kiwifruit orchards in the Bay of Plenty

H.H. Goh, S.N. Lyons

184-187
- PDF
Field observations of Sclerotinia sclerotiorum: apothecial development and sclerotial production

S.M. Hoyte, R.J. Bedford, S.C. Gouk

188-192
- PDF
Potential for biological control of botrytis stem-end rot of kiwifruit with Trichoderma spp

L.H. Cheah, R. Hill, A.W. Hunt

193-196
- PDF
The effects of diflubenzuron on lucerne flea

P.J. Addison, A.C. Firth, A. Cliffe

197-200
- PDF
The effect of the endophytic fungus Acremonium lolii on adult black beetle (Heteronychus arator) feeding

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

201-204
- PDF
Variation in the critical photoperiod for diapause induction in Microctonus hyperodae, a parasitoid of Argentine stem weevil

S.L. Goldson, M.R. McNeill

205-209
- PDF
The effect of cool storage on the survival of the Argentine stem weevil parasitoid, Microctonus hyperodae loan

S.L. Goldson M.R. McNeill, J.R. Proffitt, D.B. Baird

210-214
- PDF
Oversown white clover seed and seedling loss from insects and fungal pathogens

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

215-219
- PDF
Grass grub (Costelytra zealandica) populations under Pinus radiata agroforestry

B.E. Willoughby, M.F. Hawke, R.A. Prestidge

220-222
- PDF
White clover (Trifolium repens) resistance to 2, 4-D

A.I. Popay, A. Ingle

223-225
- PDF
Control of docks and buttercups with thifensulfuron in pasture

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

226-230
- PDF
Weed control in urban environments in New Zealand

A.I. Popay, G. Hoskins, R. Lewthwaite

231-234
- PDF
Influence of some factors on performance of the fatty acid herbicide 'Greenscape'

T.K. James, A. Rahman

235-238
- PDF
Insecticidal properties of the terpenoids polygodial, 9-deoxymuzigadial and azadirachtin

P.J. Gerard, L.D. Ruf, N.B. Perry, L.B. Foster

239-242
- PDF
A survey of European (Vespula spp.) and paper wasp (Polistes spp.) injuries in urban Auckland

J.J. Dymock, S.A. Forgie

243-246
- PDF
Organosilicone surfactants help rainfastness of glyphosate on gorse and broom

J.M. Balneaves

247-250
- PDF
Gorse on the Chatham Islands: seed formation, arthropod associates and control

R.P. Macfarlane, J.M. Grindell, J.S. Dugdale

251-255
- PDF
Pendimethalin: a herbicide with potential for use in forest nurseries

A.L. Vanner

256-258
- PDF
Rates of terbuthylazine and its mixtures with terbumeton for weed control in poplar and willow nurseries

A.N. Gilchrist

259-261
- PDF
Seven-year growth response of radiata pine to herbaceous weed control

J. Balneaves, D. Henley

262-263
- PDF
Ryania and pearslug control on nashi

C.H. Wearing

264-268
- PDF
Mortality responses of Nysius huttoni to dry-heat disinfection treatment for apples

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

269-273
- PDF
Evaluation of Silwet L-77 as an adjuvant for sprays to control apple pests and diseases

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

274-278
- PDF
Daily performance of orchard pheromone traps

D.M. Suckling, B. Brown

279-284
- PDF
A survey of weed control practices in New Zealand pipfruit orchards

K.C. Harrington, S.B. Berry, R.E.H. Sims

285-288
- PDF
Sensitivity of Venturia inaequalis (black spot) on apples to DMI fungicides in New Zealand

H.G. Whelan, M.R. Butcher, R.E. Gaunt

289-294
- PDF
Interactions between an antagonist, Erwinia herbicola and E. amylovora and potential for biological control of fireblight

S.V. Thomson, S.C. Gouk

295-300
- PDF
The effect of rain on the development of Erwinia amylovora and E. herbicola populations on apple flowers

S.V. Thomson, S.C. Gouk

301-303
- PDF
Measurement of sex pheromone in orchard air using electroantennogram apparatus

G. Karg, D.M. Suckling, E.R. Rumbo

304-306
- PDF