湘西北晚籼稻开花期耐冷性鉴定初报

作物学报 ›› 1986, Vol. 12 ›› Issue (02): 139-142.

湘西北晚籼稻开花期耐冷性鉴定初报

李达模;于新民;王洪春

中国科学院长沙农业现代化研究所; 中国科学院上海植物生理研究所

收稿日期:1983-09-05 修回日期:1900-01-01 出版日期:1986-05-12 网络出版日期:1986-05-12

PRELIMINARY REPORT ON APPRAISAL OF COLD TOLERANCE AT FLOWERING STAGE OF LATE RICE IN THE NORTH-WEST HUNAN

Li Tamo,Yu Xinming,Wang Hongchum

Changsha Institute of Agriculture Modernization;Academia Sinica;Wang Hongchum

Received:1983-09-05 Revised:1900-01-01 Published:1986-05-12 Published online:1986-05-12

摘要/Abstract

摘要：

用6个晚籼稻品种或品系,于开花期在人工气候室内用冷温18/15℃(昼温/夜温)处理1、3、5天,测定了相对结实受害率、开花率、开药率和干胚膜脂肪酸不饱和指数(IUFA)。相对结实受害率低者,其耐冷性则强。晚籼稻不同品种(品系)冷温下的开药率与相对结实受害率成负相关,r=-0.558。这两个指标,应用于水稻品种生态适应性和耐冷性育种研究较有实用价值。

李达模;于新民;王洪春. 湘西北晚籼稻开花期耐冷性鉴定初报[J]. 作物学报, 1986, 12(02): 139-142.

Li Tamo;Yu Xinming;Wang Hongchum

. PRELIMINARY REPORT ON APPRAISAL OF COLD TOLERANCE AT FLOWERING STAGE OF LATE RICE IN THE NORTH-WEST HUNAN[J]. Acta Agron Sin, 1986, 12(02): 139-142.

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