【摘要】 本试验研究与估算了辣（甜）椒10个亲本配制的11个杂种F₂数量性状的广义遗传力,遗传相关及遗传进度的遗传参数。广义遗传力的高低顺序是:单果重>果实纵径>果肉厚>果实横径>单株产量>株幅>株高>始收期>始花期>单株结果数。单株产量同单果重之间的rg、rp,又同单株结果数之间的rg、rp均达到极显著正相关水平,表明可以通过这类性状的表型选择达到提高单株产量的目的。始收期与始花期之间的rg、rp都是极显著正相关,可以通过花期的表型选择达到熟性选择的目的。更多还原

【Abstract】 In this experiment, the heritability of and the correlation between ten quantitative characters in F₂ generation of pepper from 11 crosses between 10 parent varieties were investigated, and parameters of genetic gains were evaluated. The results are as follows: （1） The rank of these characters in order of their heritability level is weight per fruit, longitudinal dimeter of fruit thinknese of fruit flesh, transverse diameter of fruit, yield per plant, width of plant, height of plant, the date of first harvest, initial blossom stage, number of fruits per plant. （2） The RG and RP between yield per plant and weight per fruit and between yield per plant and the number of fruits per plant all reached a very significant positive level, indicating that selection could be made on phenotypes of these characters to increase the yield per plant. （3） The RG and RP between the date of first harvest and initial blossom stage all reached a very significant positive level, indicating that phenotypic selection could be made for adequate initial blossom stage to obtain desira- ble maturation date.更多还原