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首页> 外文期刊>Genetic Resources and Crop Evolution >Genetic variability, character association and diversity studies on wild apricot (Prunus armeniacaL.) genotypes in Himachal Pradesh, India
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Genetic variability, character association and diversity studies on wild apricot (Prunus armeniacaL.) genotypes in Himachal Pradesh, India

机译：野生杏（Prunus asceniacal，Crunus Armeniacal，Creatiacal.）基因型遗传变异，性格协会和多样性研究

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摘要

Variability studies on 92 wild apricot (Prunus armeniacaL.) genotypes growing in Himachal Pradesh, India were carried out during 2015-2017. The aim was to determine genetic relatedness amongst the genotypes and to identify characters influencing yield for effective genetic improvement in apricot. All the genotypes exhibited a great deal of variation for most of the characters studied and fell into two broad clusters further divided into 11 sub-clusters. Higher genotypic and phenotypic coefficient of variation was observed for sugar-acid ratio, stone weight, pulp to stone ratio, titratable acidity, reducing sugar and trunk girth. High heritability with high genetic gain was recorded in trunk girth, reducing sugars, titratable acidity and stone weight. High heritability with moderate genetic gain was recorded for yield, non-reducing sugars, total sugars and fruit weight. Several characters namely reducing sugars, trunk girth, TSS, fruit weight, stone breadth, non-reducing sugars, leaf area, stone weight, stone length and sugar/acid ratio had direct positive effect on fruit yield suggesting their use as selection indices for affecting genetic improvement in apricot.
机译：在2015 - 2017年，在喜马偕尔邦的92个野生杏（Prunus armeniacal，Prunus armeniacal。）基因型的变异研究。目的是确定基因型中的遗传相关性，并鉴定影响杏子中有效遗传改善的特征。所有基因型都表现出大多数所研究的角色变化，并落入两个宽簇，进一步分为11个子簇。对于糖酸比，石材重量，纸浆至石比比，可滴定酸度，还原糖和躯干周长，观察到更高的基因型和表型变异系数。在躯干周长，减少糖，可滴定的酸度和石材重量中记录了高遗传增益的高遗传性。记录了适度遗传增益的高遗传性，用于产率，非还原糖，总糖和果实重量。几个人物即减少糖，躯干周长，TSS，果子重，石块，非还原糖，叶面积，石材重量，石材长度和糖/酸比对水果产量有直接的积极作用，表明它们用作影响的选择指数杏子的遗传改善。

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