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Funded Project |
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Funding Program:
IPM Partnership Grants |
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Project Title:
Cover Cropping Strategies for Management of Hairy Galinsoga and Corn Chamomile |
Project Directors (PDs):
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Lead State: NY Lead Organization: Cornell University |
| Undesignated Funding: $30,000 |
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Start Date: Apr-01-2006 End Date: Mar-31-2007 |
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Pests Involved: hairy galinsoga, corn chamomile, weeds |
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Site/Commodity: buckwheat, sorghum-sudangrass, oats, peas, soybeans |
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Area of Emphasis: cover crops |
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Summary:
Both hairy galinsoga (Galinsoga ciliata) and corn chamomile (Anthemis arvensis) have been identified as particularly problematic species for vegetable growers, reducing yield and quality in a variety of crops. Crop rotation strategies involving use of short-duration cover crops may be helpful in managing these pests while reducing dependence on herbicides and building soil health. Successful management of these species would also benefit from improved understanding of their biology and ecology.
Objectives: The objectives of this research are to (i) evaluate the potential for summer smother crops following early harvested vegetables to prevent galinsoga seed production, (ii) evaluate the potential for residues from these crops to reduce the emergence and growth of corn chamomile and increase the rate of seed decay of both species, and (iii) obtain basic information on the population dynamics of these species in order to better target weed management practices. In the summer of 2006 and 2007, buckwheat, sorghum-sudangrass, oats, peas, and forage soybean, will be established following early harvested vegetable crops in fields with known infestations of galinsoga and corn chamomile. The effects of each cover crop and its residue on weed mortality, growth, seed production, and seed fate will be assessed. For corn chamomile, information on the timing of flower head and seed production for individuals emerging at different times (e.g. fall vs spring), will be obtained through a detailed observational study. Results from these experiments, in conjunction with on-going work using other weed management strategies, should be helpful for reducing yield losses and weed management expenses associated with these species, while reducing agrichemical runoff and maintaining and improving soil health. Proposal |
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