Now showing items 1-2 of 2
Comparative studies on the toxicity of selected Acaricides to susceptible and resistant strains of Tetranychus urticae Koch (Acarina : Tetranychidae)
(Lincoln College, University of Canterbury, 1966)
Although scientific knowledge on insect resistance to chemicals has advanced spectacularly during the last few years it is not possible to apply directly these findings to resistance within the order Acarina. Not only are ...
Studies of the toxicity and phytotoxicity of two soil applied granulated systemic insecticides
(Lincoln College, University of Canterbury, 1965)
Control of aphids on agricultural crops can be obtained by various cultural practices, but insecticides figure prominently in most programmes aimed at obtaining economic control of aphid species which are persistent virus ...