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作 者 ：李豪喆;崔雄范;崔明子;林振武;汤玉玮

期 刊 ：作物学报 1988年 14卷 02期 页码：163-166

关键词：水稻品种；演变；硝酸还原酶；品种性状；

Keywords:Rice Variety, Evolution, Nitrate reductase, Varietal characteristic,

摘 要 ：对北方粳稻栽培品种演变过程中品种性状和硝酸还原酶活力变化的研究表明:1)品种性状在演变过程中有了明显的变化,即从大穗高秆向多穗矮秆的方向变化;2)品种抗倒耐肥性变化的总趋势是由弱到强,其硝酸还原酶活力从高到低的变化。这就是说过去老品种大穗高秆,不抗倒不耐肥,硝酸还原酶活力高,而目前推广品种多穗矮秆,抗倒耐肥,硝

Abstract:The present study on 17 rice cultivars,which were cultivated in Northern China from early of this century to today,indicated that:1).The characters of cultivars had been changed obviously in the successionof rice,showing a tendancy from big-ear and tall-stalk to multiple-earsand short-stalk.2).The g

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