【摘要】 由38个杂交粳稻及其12个亲本的6个产量性状和13个品质性状的典范相关分析得出：两者以稻谷重、糙米重、精米重、每穗实粒数、单株产量间相关极显著．其它性状关系小．故对产量及其余品质性状同步选择可加速育成优质高产组合．提高产量宜着力增加穗数和结实粒数，籽粒不且过大过宽过重．改良品质以糙米率、糙米长宽比、垩白率、透明度、食味最为关键，并互为正向关系，可同时改良，其中透明度、垩白率又是影响食味的主要直观性状．更多还原

【Abstract】 Canonical correlation analysis between 6 yield characters and 13 quality characters from 38 hybrid japonica rices and their 12 parents was investigated.The results showed that the correlation between these 2 groups of characters were significantly affected by the weight of paddy,weight of brown rice,wieght of poilshed rice,number of filled spikelet per panicle and yield per plant,the correlation among other characters being relatively small.So selection for high yield characters and superior quality characters can be practised simultaneously for the development of superioor and high yield hybrid rice combinations.It is advisable to improve yield potential by increasing the number of pauicle and number of filled spikelets rather than the size、width and weight of the grain.In improving rice quality,brown rice percentage,ratio of its length vs width,chalk percentage and its transparency、taste are key factors.Among them the chalk percentage and transparency affects directly the taste chararacter.更多还原