| Project: COL00710 |
Department: Horticulture & Landscape Architecture |
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PIs: Davidson, RD |
| Title: Improved potato yield and quality through disease suppression and optimum certified seed potato production techniques |
| Begin Date: 07/01/2007 |
Term Date: 06/30/2012
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Most recent project status:
Revised
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| Objectives: 1) To develop a better understanding of various potato diseases under Colorado conditions and to develop and implement disease suppression control strategies through a best management practices approach. 2) To improve certified seed potato production techniques and certification detection methods to control diseases and improve yield and quality of certified seed stocks produced in Colorado. 3) To support the development of potato cultivars for Colorado by evaluation of new germplasm for specific disease reactions to several pathogens. |
| Approach: 1) Chemical control agents, cultural practices, soil amendments, crop rotation and cultivar resistance will be evaluated. Season long foliar fungicide programs for control of early blight will be conducted annually. Other chemistries will be evaluated against a variety of pathogens/disease complexes including: powdery scab, pink rot, Rhizoctonia, silver scurf, Fusarium spp., Erwinia spp., and early blight tuber decay. 2) Projects, both small plot and grower controlled large plot designs, will be utilized to examine various production techniques related to certified seed production with the express purpose of managing and eliminating, if possible, certain disease issues. Diseases include potato leafroll virus, PVY, PVX, PVS, blackleg and bacterial ring rot. Improved yields and quality of certified seed produced in Colorado is the ultimate goal. 3) Disease evaluations for the new germplasm developed by the Cultivar Development Program will continue. Advanced selections will be screened both in the field and in the greenhouse for resistance and symptom expression with the ultimate goal of providing needed information to the growers via cultivar management profiles. |
| Keywords: potato, potato diseases, cultivar development |
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