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Research Project:
GENETIC ENHANCEMENT AND MANAGEMENT OF WARM-SEASON GRASS SPECIES FOR FORAGE AND ALTERNATIVE USES
Location:
Crop Genetics and Breeding Research
Project Number: 6602-21410-004-00
Project Type:
Appropriated
Start Date: Sep 18, 2002
End Date: Sep 17, 2007
Objective:
Develop and evaluate more efficient plant breeding methods, methods for utilizing exotic germplasm, methods for manipulating apomicis, and novel approaches for identifying and utilizing disease resistance. Identify and incorporate forage quality components into cultivars and management systems. Develop germplasm and optimal management for Cynodon and Pennisetum species which maximize accumulation of biomass. Develop and apply fundamental knowledge essential to the improvement of plants.
Approach:
Desirable qualitative and quantitative gene combinations for biomass, quality, disease resistance, etc., will be identified in plant introductions; landraces; primary, secondary and tertiary gene pools; and inter- and intra-specific hybrids and then transferred to and evaluated in improved germplasm and cultivars. Genetic and molecular techniques will be tested for manipulating and transferring genes controlling apomixis in Pennisetum and lignin in Cynodon. Innovative modifications of present plant breeding techniques will be evaluated for increasing yield and quality of warm-season grasses. Laboratory IVDMD, and NIR determinations will be used to identify forage quality components which will be evaluated in improved germplasm and cultivars in grazing and feeding experiments. A new dynamic multiline concept for developing rust resistant cultivars will be developed and tested. Management systems will be developed for incorporating Cynodon and Pennisetum into cropping systems for CRP lands and buffer strips.
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