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Funded Project |
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Funding Program:
Regional IPM Competitive Grants - Northeastern |
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Project Title:
Integrated Crop Rotation and Plant Resistance in Onion Pest Management (1996-1997) |
Project Directors (PDs):
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Lead State: NY Lead Organization: Cornell University |
| Research Funding: $30,000 |
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Start Date: Aug-01-1996 End Date: Jul-31-1997 |
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Pests Involved: onion maggots, botrytis leaf blight |
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Site/Commodity: onions |
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Area of Emphasis: cultural controls, plant resistance, crop rotation |
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Summary:
Botrytis leaf blight (BLB) is a major disease of onions. Resistant and susceptible onions will be planted in controlled field experiments with full and reduced fungicide protection to determine the potential for leaf blight control with resistant varieties. Additional experiments in commercial fields previously rotated out of onions will determine the rate and extent of re-colonization of these fields by onion maggot, as well as their level of Lorsban resistance. Finally, a long-term study evaluating the benefits of Sudex rotation in a commercial onion field will be initiated.
Objectives: * Determine if Botrytis leaf blight can be controlled on resistant onion types with reduced fungicide application rate or frequency. * Determine the duration of the benefit of rotation for onion maggot management, and the effect of rotation on Lorsban resistance development. * Evaluate effectiveness of rotation for soil-borne pest population reduction and onion yield improvement. A related project was funded in 1997. |
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