作物学报 ›› 1994, Vol. 20 ›› Issue (04): 401-410.
• 研究论文 • 上一篇 下一篇
程延年
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Cheng Yan-nian
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摘要： 根据14年田间试验观测资料，分析了温度、日照时数与冬小麦穗分化出现日期的关系，研究了不同穗分化时期的模式及其对穗粒数和产量的影响。研究表明，春季稳定通过0℃的日期、返青到二棱末期日照时数之和及单棱期到二棱末期温度决定穗分化过程的长短；返青到二棱末期天数长，单棱期到二棱期温度低，有利穗分化过程的延长和增
关键词: 冬小麦，穗分化，出现日期，温度，日照时数，模式
Abstract: 14yeas (1971-1984) data of field tests were analyzed to study the relationship between temperature and sunshine hours and the occurrence of various phase of spike differentiation of winter wheat in Beijing area, models for the various phase were established, and their effects on the number of grains
Key words: Winter wheat, Spike differentiation, Date of occurrence, Temperature, Sunshine hours, Model
程延年. 北京地区冬小麦穗分化时期出现日期的研究[J]. 作物学报, 1994, 20(04): 401-410.
Cheng Yan-nian. Studies on the Dates of Various Phases of Spike Differentiation of Winter Wheat in Beijing Area[J]. Acta Agron Sin, 1994, 20(04): 401-410.
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