Now showing items 1-6 of 6
A policy analysis of the attempted control of bovine tuberculosis in New Zealand
(Lincoln University, 1990)
Bovine Tuberculosis (Mycobacterium bovis) is endemic in over 13% of New Zealand. Despite the concentrated efforts of government departments and regional pest boards over the last 20 years, the disease continues to spread ...
The control of stored products pests in the South Island of New Zealand : a two part study
(Lincoln College, University of Canterbury, 1979)
This study is in two parts. The first reports the results of a mail questionnaire which was sent to 180 companies storing agricultural produce in the South Island of New Zealand. Sixty-eight percent were returned and showed ...
Aspects of the biology of the grain aphid, Macrosiphum miscanthi Tak. 1921
(Lincoln College, University of Canterbury, 1970)
Wherever cereals are grown, insect pests will be found damaging the crop. A recent issue of a commercial journal stated that world production of cereals is over 566 million tons, with estimated world losses from insect ...
Insect pest resistance : technological, biological and economic dimensions
(Lincoln College, University of Canterbury, 1984)
The literature on pest control technology, biology and economics is reviewed. The problem of resistance is considered in economic terms. Pest susceptibility is defined as a resource and because of a lack of property rights, ...
Attractants for the New Zealand grass grub, Costelytra zealandica (White)
(Lincoln College, University of Canterbury, 1975)
It has been demonstrated (Osborne and Hoyt, 1970) that male grass grub beetles are strongly attracted to the phenol/formaldehyde resin Durez 12687. In preliminary work it was shown that attractant activity was associated ...
Toxicity studies of insecticides on lucerne aphids and their predators
(University of Canterbury, 1980)
The insecticides pirimicarb, fenvalerate, chlorpyrifos and demeton-S-methyl were tested against lucerne aphids Acyrthosiphon kondoiShinji and A. pisum (Harris) and against the natural enemies Austromicromus tasmaniae ...