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以前人特别是丁颖五级分类法为基础，运用形态指数法、同工酶分析、光温生态试验、亲和力测定等综合分析法，探讨亚洲栽培稻系统分类中的若干重要的、有争议的问题，提出一些新观点及修改意见：（１）以形态学、生化学、生态学和亲和力综合分析结果为依据，把亚洲栽培稻分为籼粳两亚种是合理的；（２）把早中季稻群和晚季稻群改为钝感光稻群和感光稻群，既反映本质，又更具实用性；（３）深水稻应与水、陆稻具同等的分类地位。
Based on the previous five-class taxonomy of Dingying and Dingying, a comprehensive analysis method such as morphological index method, isozymes analysis, light and temperature ecological test, and affinity assay was used to explore some important and controversial (1) Based on the results of morphological, biochemical, ecological and affinity analysis, it is reasonable to divide Asian cultivated rice into indica and japonica subspecies. (2) Mid-season and late-season rice groups were changed to light-sensitive rice and light-sensitive rice groups, both reflect the nature, but also more practical; (3) Deep-water rice should be water and land with the same classification status.