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New Zealand Plant Protection 53 (2000)

Organics And Biocontrol

Disease management in Hawke's Bay apple orchards converting to organic production

K.G. Tate, D.W. Manktelow, J.T. Walker and H. Stiefel   pp. 1-6

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Control of brown rot (Monilinia fructicola) on organic apricots

G.F. McLaren and J.A. Fraser   pp. 7-12

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Efficacy and timing of insecticides for the control of San JosÚ scale on apple

P.W. Shaw, S.J. Bradley and J.T.S. Walker   pp. 13-17

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Biological control of clubroot on cauliflower with Trichoderma and Streptomyces spp.

L-H Cheah, S. Veerakone and G. Kent   pp. 18-21

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Assessing ground covers in a newly planted apple orchard

M.J. Hartley, A. Rahman, K.C. Harrington and T.K. James   pp. 22-27

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Effect of cultivation methods on weed seed distribution and seedling emergence

A. Rahman, T.K. James, J. Mellsop and N. Grbavac   pp. 28-33

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Use of solar energy (solarization) for weed control in greenhouse soil for ornamental crops

M. Moya and G. Furukawa   pp. 34-37

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Impact of perennial ryegrass seeding densities on weed emergence, growth and development

S.S. Seefeldt and M.L. Armstrong   pp. 38-43

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Suppression of plant parasitic nematodes in pastoral soils amended with chitin

N.L Bell, R.N. Watson and S.U. Sarathchandra   pp. 44-47

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The potential of entomopathogenic nematodes as biocontrol agents for clover root weevil (Sitona lepidus)

N.L Bell, T.A. Jackson and T.L. Nelson   pp. 48-53

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Biological control of ragwort - does sheep grazing affect ragwort flea beetle?

K. Betteridge, P.G. McGregor, D.A. Costall and P.G. Peterson   pp. 54-58

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Field evaluation of Fusarium tumidum as a bioherbicide against gorse and broom

J. Fr÷hlich, J.A. Zabkiewicz, A.F. Gianotti, J.W. Ray, A.L. Vanner, Z.Q. Liu and S. Gous   pp. 59-65

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Sex attractant for the gorse biocontrol agent Agonopterix ulicetella (Oecophoridae)

D.M. Suckling, A.R. Gibb, H. Gourlay, P. Conant, C. Hirayama, R. Leen and G. Sz÷cs   pp. 66-70

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Testing bacterial and fungal isolates for biological control of Fusarium culmorum

K.S.H. Boyd-Wilson, L.J. Magee, J.K. Hackett and M. Walter   pp. 71-77

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Crop Pests And Diseases

Implications of aphid flight patterns for pest management of potatoes

M.A.W. Stufkens, D.A.J. Teulon, D. Nicol and J.D. Fletcher   pp. 78-82

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Imported insecticide resistance in diamondback moth

D.G. Voice and R.B. Chapman   pp. 83-86

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The value of forecasting BYDV in autumn sown cereals

K. Bicknell, G. Greer and D.A.J. Teulon   pp. 87-92

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Effects of disease resistance and fungicide treatments on scald and yield in four barley cultivars

M.G. Cromey, R.C. Butler, C.A. Munro and S.E. Ebdon   pp. 93-96

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Lentil Ascochyta blight and breeding for its resistance

G. Ye, D.L. McNeil and G.D. Hill   pp. 97-102

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Control of speckled leaf blotch of wheat with fungicides

M.G. Cromey, M. Braithwaite, B.J.R. Alexander, S. Ganev and T.R. Cookson   pp. 103-108

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Two major genes confer Ascochyta blight resistance in Lens orientalis

G. Ye, D.L. McNeil and G.D. Hill   pp. 109-113

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Pathology of Fruit And Vegetables

Molecular marker assisted detection of the mycoparasite Coniothyrium minitans A69 in soil

H.J. Ridgway and A. Stewart   pp. 114-117

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Infection sites of Sclerotium cepivorum on onion roots

K.L. McLean and A. Stewart   pp. 118-121

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Development of white rot disease in onion transplants in Canterbury

J. Swaminathan, K.L. McLean and A. Stewart   pp. 122-125

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Survey of olive leaf spot in New Zealand

A.J. MacDonald, M. Walter, M.C. Trought, C.M. Frampton and G. Burnip   pp. 126-132

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Occurrence of Phomopsis castanea as an endophyte in chestnut trees

K.D.R. Wadia, D. Klinac, D.L. McNeil, A. Osmonalieva, A. Stewart and R. D. Knowles   pp. 133-137

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The role of adhering floral tissues in sclerotinia disease of kiwifruit

S. Hoyte   pp. 138-142

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Inconsistent growth promotion of cabbage and lettuce from Trichoderma isolates

N. Rabeendran, D.J. Moot, E.E. Jones and A. Stewart   pp. 143-146

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Developing tests to determine viability of Ciborinia camelliae (Kohn) sclerotia

R. F. van Toor, J.M. Pay, M.V. Jaspers and A. Stewart   pp. 147-150

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Infection processes of Ciborinia camelliae on camellia flower tissue

V. Vingnana-Singam, P.G. Long and R.E. Rowland   pp. 151-156

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Horticultural Insects

Molecular phylogenetics of leafrollers: application to DNA diagnostics

D. Gleeson, P. Holder, R. Newcomb, R. Howitt and J. Dugdale   pp. 157-162

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Insecticide resistance management of leafrollers (Lepidoptera:Tortricidae) in New Zealand

P. Lo, J.T.S. Walker and D.M. Suckling   pp. 163-167

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Developmental biology of two species of leafroller egg parasitoids

P. Stevens   pp. 168-172

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Time of leafroller infestation and effect on yield in grapes

P. Lo and V.C. Murrell   pp. 173-178

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Emergence of apple leafcurling midge (Dasineura mali) and its parasitoid (Platygaster demades)

A.R Tomkins, D.J. Wilson, C. Thomson, S. Bradley, L. Cole, P. Shaw, A. Gibb, D.M. Suckling, R. Marshall and C.H. Wearing   pp. 179-184

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Dispersal by passionvine hopper (Scolypopa australis) adults

A.R Tomkins, D.J. Wilson, C. Thomson and P. Allison   pp. 185-189

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Analysis of binomial sampling data for estimating thrips densities on ornamental plants

S.P. Worner and R.B. Chapman   pp. 190-193

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Development of thresholds for insecticidal control of New Zealand flower thrips on nectarines in spring

G.F. McLaren and J.A. Fraser   pp. 194-199

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Tydeid mites on persimmons

A.R Tomkins, D.J. Wilson, C. Thomson and P. Allison   pp. 200-204

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Armoured scale infestation of fruit of Hort16A kiwifruit

R.H Blank, G.S.C. Gill and K. Stannard   pp. 205-210

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Incidence of armoured scale insects on persimmons

A.R Tomkins, D.J. Wilson, C. Thomson and P. Allison   pp. 211-215

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Pheromone trap colour determines catch of non-target insects

G. Clare, D.M. Suckling, S.J. Bradley, J.T.S. Walker, P.W. Shaw, J.M. Daly, G.F. McLaren and C.H. Wearing   pp. 216-220

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Spray Drift And Non-Target Impacts

Growth, development and fecundity of the earthworm Aporrectodea caliginosa after exposure to two organophosphates

L.H. Booth, V.J. Heppelthwaite and K. O'Halloran   pp. 221-225

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An evaluation of Lycosa hilaris as a bioindicator of organophosphate insecticide contamination

S. Hodge and C.J. Vink   pp. 226-229

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Effect of surfactants on honey bees

R.M. Goodwin and H.M. McBrydie   pp. 230-234

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Spray deposit variability in New Zealand winegrape canopies and implications for agrichemical application practices

D.W.L. Manktelow and J-P. Praat   pp. 235-240

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The effect of canopy development and sprayer position on spray drift from a pipfruit orchard

J-P. Praat, J.F. Maber and D.W.L. Manktelow   pp. 241-247

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Spray deposition within plant canopies

B. Richardson and M. Newton   pp. 248-252

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Weed Control

Longevity of buried ragwort seed in four soils

T.K. James and A. Rahman   pp. 253-257

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Longevity of Californian thistle roots

G.W. Bourd˘t, D.M. Leathwick and G.A. Hurrell   pp. 258-261

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Weed control in sweetpotatoes

S.L. Lewthwaite and C.M. Triggs   pp. 262-268

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Weed competition in maize crop under different timings for post-emergence weed control

T.K. James, A. Rahman and J. Mellsop   pp. 269-272

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Assessment of two herbicide wiping devices

K.C. Harrington, M.Z. Hood and K.C. McKinnon   pp. 273-276

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The effect of herbicides and surfactants on turf grasses and annual poa

M.P. Finlayson and F. Dastgheib   pp. 277-283

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Herbicide gels for controlling old man's beard (Clematis vitalba) in ecologically sensitive areas

B.G. Ward and R.F. Henzell   pp. 284-288

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Herbicides for weed control in the root crops Ullucus tuberosus and Amorphophallus konjac

T.K. James and J.M. Follett   pp. 289-292

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Vertebrate Pests

Biochemical and histopathological changes induced by sodium monofluoroacetate (1080) in mallard ducks

J.M. Ataria, M. Wickstrom, D. Arthur and C.T. Eason   pp. 293-298

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Non-target and secondary poisoning risks associated with cholecalciferol

C.T. Eason, M. Wickstrom, R. Henderson, L. Milne and D. Arthur   pp. 299-304

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Feracol® paste bait for possum control - a cage trial

D.R. Morgan and A.T. Rhodes   pp. 305-309

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Comparative effects of brodifacoum on rats and possums

K.E. Littin, C.E. O'Connor and C.T. Eason   pp. 310-315

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Selectivity of Ferafeed® paste bait treated with a rodent repellent - a cage trial

D.R. Morgan and A.T. Rhodes   pp. 316-320

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Forestry

Biosecurity implications of exotic beetles attacking trees and shrubs in New Zealand

E.G. Brockerhoff and J. Bain   pp. 321-327

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Introduction and establishment of Microplitis croceipes, a larval parasitoid of heliothis, in North Island pine forests

T.J.B. Herman and M.M Davidson   pp. 328-333

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Paropsis charybdis defoliation of Eucalyptus stands in New Zealand's central North Island

B.D. Murphy and M.K. Kay   pp. 334-338

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Host range and biology of Ophelimus eucalyptii (Gahan)(Hym.: Eulophidae), a pest of New Zealand eucalypts

T.M. Withers, A. Raman and J.A. Berry   pp. 339-344

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Control Technologies And Natural Products

Uptake of glyphosate into wheat: surfactant interaction and mechanistic implications

Z.Q. Liu and J.A. Zabkiewicz   pp. 345-349

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Novel organosilicone adjuvants to reduce agrochemical spray volumes on row crops

R.E. Gaskin, G. Elliott and K.D. Steele   pp. 350-354

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Effect of adjuvants on the retention of insecticide spray on cucumber and pea foliage

R.E. Gaskin, R.J. Murray, H. Krishna and A. Carpenter   pp. 355-359

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Field control of Herpetogramma licarsisalis (Walker) in northern Northland pastures

S. Hardwick and L.T. Davis   pp. 360-364

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Mortality responses of the brownheaded and black-lyre leafrollers to controlled atmosphere and air cold storage treatments for kiwifruit

D.C. Whiting, L.E. Jamieson and P.G. Connolly   pp. 365-370

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Water-blasting avocados to remove leafroller eggs

L.E. Jamieson, D.C. Whiting, A.B. Woolf, A. White and R.M. McDonald   pp. 371-374

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Botrytis tolerance to 6-phenyl-alpha-pyrone and massoialactone

M. Walter, K.S.H. Boyd-Wilson, J.H. Perry and R.A. Hill   pp. 375-381

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Avoiding apple bud damage from autumn-applied urea for black spot (Venturia inaequalis) control

P.N. Wood and R.M Beresford   pp. 382-386

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Autumn-applied urea and other compounds to suppress Venturia inaequalis ascospore production

R.M Beresford, I.J. Horner and P.N. Wood   pp. 387-392

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Use of diallyl disulphide for the commercial control of Sclerotium cepivorum

J.L. Tyson, R.A. Fullerton, G.S. Elliott and P.J. Reynolds   pp. 393-397

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Pasture Pests

Endophyte infection influences disappearance of perennial ryegrass seed

A. Popay, S. Marshall and J. Baltus   pp. 398-405

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Ryegrass endophyte infection affects Argentine stem weevil adult behaviour and susceptibility to parasitism

P.J. Gerard   pp. 406-409

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Pest populations during the first six years in ryegrass pastures containing white or Caucasian clover

R.N. Watson, N.L Bell, F.J. Neville and L.T. Davis   pp. 410-414

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The behaviour of adult Sitona lepidus Gyllenhal (Coleoptera: Curculionidae) in response to white clover

S. Hardwick and B. Harens   pp. 415-419

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Interaction between clover root weevil and clover root type

D.A. Care, J.R. Crush, S. Hardwick, S.N. Nichols and L. Ouyang   pp. 420-424

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Progress in defining the significance of intraspecific variation to the success of the Argentine stem weevil parasitoid in New Zealand

C.B. Phillips, M.R. McNeill, R.P. Cane and S.L. Goldson   pp. 425-429

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Susceptibility of Wiseana species to diflubenzuron and implications for field applications

C.M. Ferguson   pp. 430-435

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The effect of dairy-shed effluent irrigation on the occurrence of plant pathogenic Pythium species in pasture

N.W. Waipara and S.K. Hawkins   pp. 436-440

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Regulatory Outlook

The outlook for regulatory control of agricultural compounds

W. Hughes   pp. 441-444

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Poster Abstracts

Methods for the study of sclerotial dormancy in Sclerotium cepivorum under New Zealand conditions

G.E. Harper and A. Stewart   p. 445

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Seasonal grazing by Canada geese (Branta canadensis) on South Island high-country pasture

A.D. Win and G.J. Hickling   p. 445

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Studies of cuticular diffusion of xenobiotics using laser scanning confocal microscopy

Z.Q. Liu, J.A. Zabkiewicz and R.E. Gaskin   p. 446

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Dust and 1080 residue contamination after aerial sowing of 1080 baits for possum control

L.H. Booth, G.R.G. Wright, L.E. Brown, C.D Radford and C.T. Eason   p. 446

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Trends in vertebrate pesticide contamination of wildlife

G.R.G. Wright, L.E. Brown, C.D. Radford and C.T. Eason   p. 447

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Organophosphate toxicity in wolf spiders (Lycosidae): an evaluation of sublethal responses

S. Van Erp, L.H. Booth, R. Gooneratne and K. O'Halloran   p. 447

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Incidence of the 'black goo' fungus, Phaeoacremonium chlamydosporum, in declining grapevines in New Zealand

L.M. Clearwater, A. Stewart and M.V. Jaspers   p. 448

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Morphology and density of a crop influences its weed suppression ability

W.A.P. Isaac, G.D. Hill, B.A. McKenzie and G.W. Bourd˘t   p. 448

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The development of Coniothyrium minitans as a biocontrol agent

K.M. Eade, N. Rabeendran, H. Ridgway and A. Stewart   p. 449

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Bacillus and Paenibacillus as biological control agents of Aphanomyces euteiches

S.A. Wakelin, A. Stewart, M. Jaspers and M. Walter   p. 449

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Mass releases of the parasitoid Encarsia citrina against greedy scale (Hemiberlesia rapax) on kiwifruit

C. Thomson, D. Wilson and A. Tomkins   p. 450

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Biodiversity of Trichoderma species in agricultural soils and their potential use as seed coat amendments for the biocontrol of soilborne plant pathogens

N.W. Waipara   p. 450

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Relationship between debris within grape bunches and Botrytis infection of berries

A. Seyb, R. Gaunt, M. Trought, C. Frampton, R. Balasubramaniam and M. Jaspers   p. 451

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

K.L. Beal   p. 451

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Seasonal population dynamics of the clover cyst nematode (Heterodera trifolii)

P.P. Kyi, P.G. Long, C.F. Mercer, R.A. Skipp and G.W. Yeates   p. 452

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A technique for releasing ascospores of Ciborinia camelliae on demand

C.H. Taylor and P.G. Long   p. 452

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Quantifying ascospore production by apothecia of Ciborinia camelliae

J.A. Bright and P.G. Long   p. 453

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Control of onion white rot (Sclerotium cepivorum) via drip irrigation (fungigation)

P.A. Brookbanks   p. 453

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Biodiversity of microfungi in soils, plant roots and foods: a comparison between organic and conventional agricultural ecosystems

N.W. Waipara and M. Torp   p. 454

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Incidence of onion neck rot in Canterbury

S.L.H. Viljanen-Rollinson and S.K. Halse   p. 454

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Evaluation of tank mix adjuvants and nozzles for agricultural sprays

A.J. Hewitt   p. 455

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Appendices

Presidential address to the 52nd NZ Plant Protection Conference on 11 August 1999

G.W. Kerse   pp. 457-458

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Annual report of the Secretary for the 1999-2000 year

M.R. Butcher   pp. 459-460

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NZPPS Research Scholarship - Brendan Murphy, Meredith McKay

  p. 461

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Obituary - Les 'Weedy' Matthews

  p. 462

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Obituary - Frank B. Thompson

  p. 463

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Obituary - Phil Broadhurst

  p. 464

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Commodore Hotel, Christchurch on 7-10 August 2000.

This volume was edited by S.M. Zydenbos and published by The New Zealand Plant Protection Society Inc.

Please refer to the terms of use.