نتایج جستجو برای: additive gene action relatively high narrow
تعداد نتایج: 3683703 فیلتر نتایج به سال:
A field research was undertaken at the site of Mampong campus University Education, Winneba, Ghana to evaluate parents and progenies seven maize varieties. The main objective study identify high-yielding landraces hybrids heritability yield-related traits using diallel analysis. varieties (parents) used were: Aburopa, Aburonenkatie, Aburohoma, Kamaazie red, yellow, light red Obaatampa. These we...
The diallel mating design is an important tool used by plant breeding programs to obtain information on trait inheritance. Knowledge of gene action, heritability and genetic advance from selection is a prerequisite for starting a breeding program for developing varieties of maize. Five maize S7 lines and their F2 progenies were studied in a 5 × 5 half-diallel crossing design to evaluate the gen...
Abstract The objective of this work was to assess the genetic control tolerance thermoinhibition in lettuce (Lactuca sativa) seeds. Seeds F1, F2, and F2:3 generations derived from cross between cultivars Everglades (tolerant thermoinhibition) Verônica (sensitive were used, besides seeds parents. Seed germination tests conducted a completely randomized design, with four replicates each parent, e...
Six rice cultivars were crossed in half diallel design to evaluate their GCA and SCA in 2005. In the following year, parents and their progenies were grown in a randomized complete block design with three replications, and 10 traits were measured. The analysis of variance showed significant differences (p≤0.01) between cultivars. Furthermore, general combining ability (GCA) and specific combini...
The genetics of’ salinity tolerance in rice was studied by visual scoring in parents F1 F2 and backcross generations of six crosses. Segregation analysis indicated partial dominance for salinity tolerance. Estimation of genetic parameters under epistatic model indicated the importance of additive effects in the inheritance of salinity tolerance. Highly significant additive type of gene action i...
Studying the genetic structure of crops, including wheat, has always been one of the research priorities to increase the efficiency of breeding methods. In order to genetic analysis of some agronomic traits of bread wheat using generation mean analysis (GMA), all produced generations along with relevant parents of the two populations (Marvdasht × Rasoul and Marvdasht × Shahpasand) were evaluate...
A study was carried out to assess the combining ability of ten CMS lines with four testers using line x tester method. Biometrical observations were taken for days 50% flowering, plant height, head diameter, maturity, volume weight, hundred seed yield /plant, oil content and yield/plant. Specific combing variance greater than general all characters which indicated that non-additive gene a...
Height has been used for more than a century as a model by which to understand quantitative genetic variation in humans. We report that the entire genome appears to contribute to its additive genetic variance. We used genotypes and phenotypes of 11,214 sibling pairs from three countries to partition additive genetic variance across the genome. Using genome scans to estimate the proportion of th...
A study was conducted to determine the types of gene action different yield-related traits in tomato and combining ability four advanced lines. The heterotic response hybrids also assessed. Analysis variance (ANOVA) revealed significant differences (P ≤ 0.05) among all traits. General (GCA) specific (SCA) for chosen were computed using Griffing’s approach diallel. Combining additive non-additiv...
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