Now showing items 1-2 of 2
Tortricid moth pest management in Canterbury apple orchards
(Lincoln College, University of Canterbury, 1984)
Orchard practices and pest abundance were monitored at five sites over three seasons. Canterbury apple orchardists could produce high quality fruit with less than 1% damage using as few as four insecticide sprays per season. ...
A study of insect pests of brussels sprouts in Canterbury; their phenology and the resultant crop losses
(Lincoln College, University of Canterbury, 1982)
The relationships between insect pests and damage in Brussels sprouts were studied for three seasons in Canterbury. Each season the major pest species, white butterfly (Artogeia rapae L.), diamondback moth (Plutella ...