Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 2 of 2 for “"aphicide"”.
-
The relationship of time of year, geographic location, insecticide exposure and the genotype of red and green morphs of the tobacco aphid, myzus nicotianae Blackman, in Virginia
… Tobacco Insect Spray), the most commonly used aphicide on flue-cured tobacco in Virginia. Slight resistance was present in both red and green aphid populations from several counties. Studies were also conducted to determine if males were present in tobacco aphid populations in Virginia. Cool …
-
Studies of the toxicity and phytotoxicity of two soil applied granulated systemic insecticides
… has been the development of granulated systemic aphicides. The aim of this thesis was to investigate the properties of two of these granulated insecticides, namely Isolan, a carbamate and phorate, an organophosphate. In particular an attempt was made to assess the persistence and phytotoxicity of …