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结实期环境温度对稻米糊化温度的影响
朱碧岩1, 吴永常1, 杨宝平1
西北农业大学 农学系
摘要:
对8个水稻品种的多点、多播期和人工气候箱模拟试验结果表明,影响稻米糊化温度的主要气候因子是环境温度;日辐射的影响主要是通过改变环境温度而间接起作用的;其他气候因子有一定的影响,但不显著,且品种间反应不一致;抽穗后20d内环境温度对稻米糊化温度的影响较大,抽穗前10d和抽穗20d后的影响较小。
关键词:  水稻,糊化温度,环境温度,影响效果
DOI:
分类号:S511.101
基金项目:
Effect of EnvironmentalTemperaturein Fruit Bearing Stage Upon the Temperature of Rice Glatinization
Zhu Biyan Wu Yongchang Yang Baoping
Abstract:
The multiple locations ,multiple sowing dates and psychrometric room for 8 rice varieties were experimented.The results showed that the effect of clmatic factor on rice glatinization was the principal environmental temperature,and that solar radiation had a direct effect upon rice glatinization only through changing environmental temperature,and that other climatic factors also had some effects upon rice glatinization but the reactions among rice varities were different.The effect of environmental temperature 20 days after heading upon rice glatinization was great,but that 10 days beforeheading and 20 days after heading upon rice glatinization was small.
Key words:  rice,rice glatinization temperature ,environmental temperature,affecting effect