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Proceedings of the NZ Plant Protection Conference 52 (1999)

Introduction

Presidential address to the 51st NZ Plant Protection Conference on 12 August 1998

G.W. Kerse   pp. xv-xvii

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Secretary's annual report - 1998-1999

M.R. Butcher   pp. xvii-xviii

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NZPPS Research Scholarship - Joanna McQueen

  p. xviii

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Urban Weeds And Pests

Non-spray methods to control invasive weeds in urban areas

B.G. Ward, R.F. Henzell, P.T. Holland and A.G. Spiers   pp. 1-5

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Biological control of mist flower (Ageratina riparia, Asteraceae) in New Zealand

J. Fr÷hlich, S. Fowler, A. Gianotti, R. Hill, E. Killgore, L. Morin, L. Sugiyama and C. Winks   pp. 6-11

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Use of the bacterium Serratia entomophila for control of grass grub in lawns

T.A. Jackson, J.F. Pearson and R.J. Townsend   pp. 12-15

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The changing status of the German cockroach in the urban environment

W.H. Robinson   pp. 16-21

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Efficacy of insecticides for longtailed mealybug control

N.A. Martin and P.J. Workman   pp. 22-24

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1998 survey shows Camellia flower blight is widespread in New Zealand

C.H. Taylor, P.G. Long and R.E. Bradshaw   pp. 25-28

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Fusarium wilt of Canary Island date palms

L.V. Gunn and B.A. Summerell   pp. 29-31

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Sampling And Analysis

Systematic versus simple random sampling in plant protection

S.P. Worner, R. Shah and R.B. Chapman   pp. 32-35

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Sampling thrips on a Viburnum hedge

R.B. Chapman and S.P. Worner   pp. 36-39

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Use of environmental life cycle assessment to evaluate alternative agricultural production systems

S.J. Cowell   pp. 40-44

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Horticultural Pests

Developmenting a preliminary model predicting thrips movement into central Otago nectarines

A.J. Hayes, G.F. McLaren and J.A. Fraser   pp. 45-49

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A comparison between preventative and curative soil treatments for control of fungus gnats

N.A. Martin and P.J. Workman   pp. 50-55

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A procedure for comparing the efficacy of insecticides for greenhouse whitefly control

N.A. Martin and P.J. Workman   pp. 56-59

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Parasitic natural enemies of lemon tree border

Q. Wang and G.L. Shi   pp. 60-64

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Spinosad: control of lepidopterous pests in vegetable brassicas

B.M. Harris and B. MacLean   pp. 65-69

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The impact of black spot fungicides on integrated mite control in pipfruit

P.W. Shaw, S.J. Bradley and J.T.S. Walker   pp. 70-74

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Evaluation of organically-acceptable pesticides against the green peach aphid (Myzus persicae)

P.L. Lo, S.J. Bradley and V.C. Murrell   pp. 75-79

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Lure and kill as a new control tactic for leafrollers

D.M. Suckling and E.G. Brockerhoff   pp. 80-83

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Effects of floral resources on fitness of the leafroller parasitoid (Dolichogenidea tasmanica) in apples

N.A. Irvin, S.D. Wratten, R.B. Chapman and C.M. Frampton   pp. 84-88

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Factors affecting the efficacy of Bacillus thuringiensis against Cnephasia jactatana in kiwifruit

P.S. Stevens and C.E. McKenna   pp. 89-93

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Residual life of spinosad on kiwifruit - biological and chemical studies

A.R. Tomkins, P.T. Holland, C. Thomson, D.J. Wilson and C.P. Malcolm   pp. 94-97

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Forest And Environment

Susceptibility of life stages of Paropsis charybdis to Beauveria bassiana

B.S. Hastuti, T.R. Glare and R.B. Chapman   pp. 98-102

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Effects of temperature and humidity on the susceptibility of Paropsis charybdis to Beauveria bassiana

B.S. Hastuti, T.R. Glare and R.B. Chapman   pp. 103-107

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Life history and abundance of the eucalyptus leafroller (Strepsicrates macropetana)

N.A. Mauchline, T.M. Withers, Q. Wang and L. Davis   pp. 108-112

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Impact of the defoliator Cleopus japonicus (Coleoptera: Curculionidae) on Buddleja davidii in the laboratory

E.G. Brockerhoff, T.M. Withers, M. Kay and W. Faulds   pp. 113-118

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Overwintering behaviour of strains of gorse spider mite in New Zealand

A.J. Hayes, A.H. Gourlay and R.L. Hill   pp. 119-124

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Feasibility of using wax-blocks to measure rat and possum abundance in native forest

M.D. Thomas, J.A. Brown and R.J. Henderson   pp. 125-129

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Use of ground-level or elevated bait stations for possum control

R.J. Henderson, J.A. Brown, M.D. Thomas and R.J. McAuliffe   pp. 130-135

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Pathogens of Fruit And Vegetables

Survey of chestnut nut-rot in New Zealand

K.D.R. Wadia, D. Klinac and D.L. McNeil   pp. 136-140

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Suppression of overwintering Botrytis cinerea inoculum on grape rachii using antagonistic fungi

S.R. Fowler, M.V. Jaspers, M. Walter and A. Stewart   pp. 141-147

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Validation of an ascospore release prediction model for apple black spot (Venturia inaequalis)

R.M. Beresford   pp. 148-152

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Postharvest fruit rots of avocado are reduced by benomyl applications during flowering

K.R. Everett, P.S. Stevens and J.G.M. Cutting   pp. 153-156

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Epidemiology and control of violet root rot of carrots

L-H. Cheah and B.B.C. Page   pp. 157-161

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Role of apple leafcurling midge in the spread of fire blight

S. C. Gouk and R.J. Boyd   pp. 162-166

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Sensitivity of Venturia inaequalis and V. pirina to dodine in New Zealand

G.R. Bakker   pp. 167-170

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Changes in the efficacy of fungicidal control of onion white rot

J.L. Tyson, R.A. Fullerton and A. Stewart   pp. 171-175

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Strategies to avoid resistance development to anilopyrimidine fungicides in New Zealand

R. Beresford, H. Pak, D. Manktelow, G. Follas and G. Hagerty   pp. 176-178

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Strategies to avoid resistance development to strobilurin and related fungicides in New Zealand

R. Beresford, H. Pak, G. Brown, G. Follas and G. Hagerty   pp. 179-181

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Arable Crops

Resistance of New Zealand barley cultivars to scald, caused by Rhynchosporium secalis

M.G. Cromey, R. Hanson and K.I. Sinclair   pp. 182-186

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Forecasting barley yellow dwarf virus in autumn-sown cereals in 1998

D.A.J. Teulon, M.A.W. Stufkens, D. Nicol and S.J. Harcourt   pp. 187-191

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Apple grass aphid (Rhopalosiphum insertum) on cereals in Canterbury

D.A.J. Teulon, D. Nicol and M.A.W. Stufkens   pp. 192-198

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Laboratory assessment of damage to swede, Brassica napus rapifera, by wheat bug, Nysius huttoni

X.Z. He and Q. Wang   pp. 199-202

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Evaluation of a mechanistic model of wheat and weed growth

G.W. Bourd˘t, P.D. Jamieson and G.A. Hurrell   pp. 203-208

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Spatial variability of fathen seeds in the soil under repeat maize cropping

A. Rahman, T.K. James, N. Grbavac, J.E. Waller and J. Mellsop   pp. 209-213

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Phalaris and tall fescue seed production: Volunteer control and herbicide tolerance

K. Reddy, M.P. Rolston and W.J. Archie   pp. 214-217

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Wild oat control and tolerance of grass seed crops to fenoxaprop-P-ethyl

M.P. Rolston and W.J. Archie   pp. 218-222

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Pesticide Technology

Herbicide efficacy in relation to herbicide rate, surfactant rate and spray application volume

J.W. Ray, B. Richardson, A.L. Vanner and G. Coker   pp. 223-227

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Influence of surfactant mixtures on cuticular uptake of glyphosate into grasses

Z.Q. Liu and J.A. Zabkiewicz   pp. 228-233

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Pasture Weeds And Pests

Survival of giant buttercup seeds buried at different depths in four soils

T.K. James and A. Rahman   pp. 234-239

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Pasture tolerance to the herbicide metsulfuron-methyl

T.K. James, A. Rahman and M.J. Cornwell   pp. 240-244

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Effect of summer irrigation on population dynamics and reproductive status of adult Sitona lepidus in the Waikato

B. Willoughby and S. Hardwick   pp. 245-249

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Preliminary investigation into impact of Sitona lepidus adults on white clover seed production

P.J. Gerard, T. Eden and W. Tozer   pp. 250-253

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Preliminary evidence for a female sex pheromone in porina (Wiseana copularis)

R.A. Allan, A. Jimenez-Perez and Q. Wang   pp. 254-258

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The effects of Neotyphodium endophytes in tall fescue on pasture mealy bug (Balanococcus poae)

C. Pennell and O.J.-P. Ball   pp. 259-263

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The production of loline alkaloids in artificial and natural grass/endophyte associations

O.J.-P Ball and B.A. Tapper   pp. 264-269

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Poster Abstracts

Soil solarization: a cultural practice to reduce viability of sclerotia of Sclerotinia sclerotiorum in New Zealand soils

J. Swaminathan, K.L. McLean, J.M. Pay and A. Stewart   p. 270

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Phytotoxicity of culture filtrates of Phoma wasabiae to wasabi

P.G. Broadhurst   p. 270

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Fungicide, adjuvant and lime for control of clubroot of brassicas

L.H. Cheah and B.B.C. Page   p. 271

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Weeds are important sources of potyvirus infection in buttercup squash crops

J.D. Fletcher and T.J.B. Herman   p. 271

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Survey methods for Eutypa and associated wood rotting fungi of grapevines

P. Jones, R.E. Bradshaw and P.G. Long   p. 272

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Confocal microscopy of fungal hyphae in plant tissue

V. Vignana Singham and P.G. Long   p. 272

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Variety and environment affect pepper spot infection on apple

S.J. Gurnsey and P.G. Long   p. 273

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Screening for resistance to camellia flower blight

C.H. Taylor and P.G. Long   p. 273

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Ovulinia petal blight on azalea and rhododendron in New Zealand

B.J.R. Alexander, S. Ganev, M. Braithwaite and J.C. Hurrell   p. 274

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The effect of non-spore forming fungi (Mycelia sterilia) on germination and growth of common leguminous and gramineacous pasture plants

N.W. Waipara, M.E. di Menna, A.L.J. Cole and R.A. Skipp   p. 274

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Field parasitism of the weed biological control agent Rhinocyllus conicus by the introduced braconid, Microctonus aethiopoides

C.M. Ferguson, B.I.P. Barratt and A.S. Cresswell   p. 275

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Wiseana species flight patterns in Otago and Southland

C.M. Ferguson, R.A.S. Logan and B.I.P. Barratt   p. 275

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Possible mediation of wound-induced resistance by endophytes of perennial ryegrass

T.L. Bultman and M.R. McNeill   p. 276

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The effect of buckwheat on abundance of the leafroller parasitoid Dolichogenidea tasmanica in a Blenheim vineyard

L. Berndt and P. Hassan   p. 276

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Evaluation of different coloured sticky traps for monitoring Kelly's citrus thrips (Pezothrips kellyanus)

K.J. Froud   p. 277

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Host finding behaviour of Aphelinus mali, a parasite of the woolly apple aphid

M. Sandanayaka and M.O. Harris   p. 277

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Use of sex pheromones in fruit pest biocontrol

D.M. Suckling, A.R. Gibb, G.M. Burnip, S.M. Pawson and N. DeLury   p. 278

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Establishment of forestry and tree pests in New Zealand

T.M. Withers and M. Kay   p. 278

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Effect of metsulfuron on the viability of ragwort and nodding thistle seeds

T.K. James, A. Rahman, M.J. Cornwell   p. 279

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Plant Pest Information Network (PPIN): an active information system to support your research

K.L. Beal   p. 279

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Auckland Airport Centra, Auckland on 9-12 August 1999.

This volume was edited by M. O'Callaghan and published by The New Zealand Plant Protection Society Inc.

Please refer to the terms of use.