气温与日长对早籼稻植株及其种子的影响

来源 :华中农业大学学报 | 被引量 : 0次 | 上传用户:yogonet
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在武汉地区春播和分期夏播早籼稻,发现在6月23日至7月12日四期夏播的较其春播的生殖生长期稍长,营养生长期稍短,全生期天数缩短20%左右;种子粒重增大;种子的营养成分和食用品质都有所改善。这些变化反映了温、光对早籼稻植株及其种子的生态功能。在双季稻区选用合适的早籼品种作双晚栽培,并用秋收种子作种用是可行的。
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