Now showing items 21-30 of 286
Towards integrated pest management of phythophagous insects in Tasmanian blackwood (Acacia melanoxylon) plantations in New Zealand
(Lincoln University, 1999)
Acacia melanoxylon provenance trials were assessed to investigate: (1) The degree to which insect populations influence growth and the change from juvenile to mature foliage. (2) How tree growth rates and overall performance ...
Thuringiensin toxicity to Tetranychus urticae Koch and Panonychus ulmi (Koch) (Tetranychidae) and effects on cuticle development of immature stages of T. urticae
(Lincoln University, 1993)
Thuringiensin is a novel pesticide that has been evaluated against a range of insects and spider mites. It is generally more effective against immature stages than adults of spider mites, but there is considerable variation ...
A survey of coastal and marine birds at Bako National Park and Samunsam Wildlife Sanctuary, Sarawak
(Lincoln University. Bio-Protection & Ecology Division., 2002-07)
Biological control of onion white rot using Trichoderma harzianum
(Lincoln University, 2001)
The biological control of Sclerotium cepivorum, the causal agent of onion white rot, by Trichoderma harzianum and T. virens was studied in a glasshouse trial. T. Harzianum (isolates C52 and D73) and T. virens (isolate GV4) ...
Ecological and physiological studies of Clematis vitaba L.
(Lincoln University, 1996)
Clematis vitalba L. is a deciduous perennial climber native to central Europe and southern England which has become a major invasive weed species in New Zealand native forest remnants. In forest remnants, C. vitalba tends ...
The carbon and nitrogen physiology of Achillea millefolium L. (Yarrow)
(Lincoln University, 1993)
Achillea millefolium (L.) in New Zealand has become an increasing problem on arable and horticultural land where selective control remains difficult to achieve. Patterns of carbon and nitrogen accumulation and use were ...
The development of a sequential sampling plan for management of stripe rust (Puccina striiformis West.) in winter wheat (Triticum aestivum L.)
(Lincoln College, University of Canterbury, 1985)
Stripe rust caused by Puccinia striiformis West., was studied in three seasons between 1981 and 1984, on the susceptible wheat cv. Rongotea. A sample unit of the top three leaves on a W-shaped sample pattern provided the ...
Pest management of the New Zealand flower thrips Thrips obscuratus (Crawford) (Thysanoptera: Thripidae) on stonefruit in Canterbury, New Zealand
(Lincoln College, University of Canterbury, 1988)
The New Zealand flower thrips (Thrips obscuratus (Crawford)) is an important pest of stonefruit during flowering and at harvest in New Zealand. The biology and control of this species formed the basis for this study. A ...
Spider distribution in agroecosystems in Canterbury, New Zealand
(Lincoln University, 2000)
The spider assemblage from four shelterbelts and their adjacent grazed pastures in South Island, New Zealand was suction sampled from August 1994 to July 1995 and from March 1996 to March 1997. Spider density decreased ...
Phenology and management of hemipteran pests in white clover (Trifolium repens L.) seed crops, Canterbury (New Zealand)
(Lincoln University, 1998)
New Zealand currently supplies approximately 60% of the world white clover (Trifolium repens L.) seed market, of which 99% is produced in the Canterbury growing region. However, this important cash crop may be infested by ...