Comparisons of Phytoseiid Predator Population in Sprayed and Unsprayed Apple Orchards in Cache Valley, Utah
A comparative study of phytoseiid populations was made of two well- cultivated and regularly sprayed apple orchards with two unsprayed orchards in Cache Valley, northern Utah. Two phytoseiid species, Typhlodromus mcgregori Chant and T. occidentalis Nesbitt were observed on the apple leaves, under th...
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| Format: | Others |
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DigitalCommons@USU
1968
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| Online Access: | https://digitalcommons.usu.edu/etd/2953 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=3967&context=etd |