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Article: Genetic analysis of seed-oil concentration across generations and environments in sunflower. (Crop Breeding, Genetics & Cytology).
- Article from:
- Crop Science
- Article date:
- January 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 Crop Science Society of America. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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SEED-OIL CONCENTRATION (achene-oil concentration) is a major consideration in sunflower breeding because it is one of the two components of oil yield. The genetic basis of seed-oil concentration has been described to a limited degree. Seed-oil concentration has relatively high broad sense heritability (0.6-0.7) and high narrow sense heritability (0.5-0.6) on a single plant basis (Martinez et al., 1979; Fick, 1975). Some research has been done to study gene action involved in the expression of the traits. Highly significant additive, dominant, and epistatic effects were determined for seed-oil concentration in two [F.sub.2] populations and their reciprocal backcrosses ...
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