Leafhopper Treatment Levels for: Thompson seedless grapes used for raisins or wine
Preliminary results of field studies on economic treatment levels for control of grape leafhoppers indicate that many growers in the San Joaquin Valley use insecticides unnecessarily because they lack accurate knowledge of insect population levels. Thompson Seedless grapes also appear to be more tol...
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| Hlavní autoři: | , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
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University of California Agriculture and Natural Resources
1965-04-01
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| Edice: | California Agriculture |
| On-line přístup: | http://calag.ucanr.edu/archive/?article=ca.v019n04p4 |
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