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Genetic variability, Associations, and Path Analysis among Most Economic Traits in Red Sorrel (Hibiscus sabdariffa L.)

机译:红酢浆草(Hibiscus sabdariffa L.)大多数经济性状的遗传变异性、关联和路径分析

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摘要

Nature and amount of genetic variability, associations, and path coefficients were studied in the six traits of 45 genotypes of red sorrel. All the traits showed high heritability except medium for branches/plant (73-94), calyx yield (67.54 ), and low for seed yield (i.e., 41.85), the highest being for days to flowers 50 (98.12 ) and lowest for seed yield/plot (41.85). Seed yield/plot was significantly and positively correlated with plant height but negatively correlated with days to flower 50.Fresh calyx yield is positively correlated with days to flower 50 followed by plant height, and branches/plant exhibited same trends at both genotypic and phenotypic level. However, only plant height and fresh calyx yield made the highest amount of direct and indirect contribution to seed yield I plot. Therefore, plant height and beta-carotene serve as better selection criteria to improve red sorrel crop.
机译:研究了45种红酢浆草6个基因型的遗传变异性、关联性和路径系数的性质和数量。除枝/株遗传力中等(73-94)、花萼产量(67.54%)和种子产量低(即41.85%)外,遗传力均较高,最高为开花天数(98.12%),种子产量/地块最低(41.85%)。种子产量/地块与株高呈显著正相关,与开花天数呈负相关,为50%。花萼鲜产量与开花天数呈正相关,50%其次是株高,枝条/植株在基因型和表型水平上均表现出相同的趋势。然而,只有株高和鲜花萼产量对种子产量I样地的直接和间接贡献最大。因此,株高和β-胡萝卜素是改良红酢浆草作物的较好选择标准。

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