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Investigations of the effects of some modern pesticides on certain coccinellid predators of aphids and mites in Massachusetts.
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Investigations of the effects of some modern pesticides on certain coccinellid predators of aphids and mites in Massachusetts.
Weidhaas, John August
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Abstract
Type
dissertation
Date
1959
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Degree
Doctor of Philosophy (Ph.D.)
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investigationsof00weid.pdf
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15.66 MB
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URI
https://hdl.handle.net/20.500.14394/16348
DOI
10.7275/18859619
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https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=6859&context=dissertations_1&unstamped=1
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