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Towards Sclerotinia resistance: somatic hybridization between wild and cultivated sunflower
(Paris : International Sunflower Association, 2004)
The use of interesting characteristics from wild Helianthus species in sunflower breeding is limited by poor crossability or sterility of interspecific hybrids. Somatic hybridization by protoplast fusion is an efficient ...
Correlation of yield components and seed yield per plant in sunflower (Helianthus annuus)
(Paris : International Sunflower Association, 2004)
Studied in this paper was the interdependence of six morphophysiological sunflower traits (petiole angle, petiole length, total leaf number per plant, total leaf area per plant, plant height and head diameter) and their ...
Gene effects and combining abilities for 1000-seed mass in sunflower (Helianthus annuus)
(Paris : International Sunflower Association, 2004)
Significant differences in the mean values of 1000-seed mass were found among the sunflower (Helianthus annuus L.) genotypes studied (eight inbred lines and 15 F1 hybrids). The mean value of 1000-seed mass was 46.88 g in ...
Path coefficient analysis of some yield components of sunflower
(Paris : International Sunflower Association, 2004)
In this study we examined mutual relationships among eight biological traits of sunflower (dry matter at flowering, leaf area, stature, stem and head diameters, number of filled seeds, 1000-seed mass and hull content) and ...
Path coefficient analysis of some head and seed characteristics in sunflower
(Paris : International Sunflower Association, 2004)
The 1000-seed mass is one of the three most important yield components in sunflower. Using correlation analysis, we studied the interrelationship of several yield components (1000-seed mass, test weight, head diameter, ...
Gene actions for seed yield in sunflower (Helianthus annuus)
(Paris : International Sunflower Association, 2004)
Effects of additive and dominant genes and their interactions on the inheritance of seed yield in 10 sunflower hybrids developed by crossing five inbred lines derived from the synthetic NS-S-1 were analyzed in 2001 and ...
Effects of genotype, growing conditions, and several parameters of sunflower attractiveness for bee visitation
(Paris : International Sunflower Association, 2004)
Effects of genotype and fertilizers on the production and availability of nectar and visitation by pollinators were analyzed. We analyzed four sunflower hybrids (Velja, NS-H-45, NS-H-111 and NS-H-702) and their parental ...
Gene actions affecting sunflower resistance to Sclerotinia sclerotiorum measured by sclerotia infections of roots, stems and capitula
(Paris : International Sunflower Association, 2004)
Five sunflower inbred lines were crossed with one restorer line and F1, F2, BC1P1 and BC1P2 progenies were produced. Generation means analysis was done for all six generations, as well as the scaling test. The additive-dominance ...
Inheritance of some yield components in sunflower
(Paris : International Sunflower Association, 2004)
In order to study the mode of inheritance and gene effects for seed set, autofertility and self-fertility, half diallel crosses with five divergent sunflower inbred lines were made. The effects of additive, dominant and ...
Pollen viability and seed set percentage of NS hybrids and their parental lines
(Paris : International Sunflower Association, 2004)
This research determined the pollen viability, percentage of seed set and seed yield of four commercial sunflower hybrids (HS-H-45, HS-H-111, NS-H-702 and VELJA) and their parental components (four male-fertile lines and ...