指作物受日照长短所控制的现象
光周期反应 （photoperiodic reaction）是指在具有生光周期的情况下，生物体对明暗周期的反应而言。在通过光周期刺激花芽分化诱导反应中，对连续的暗期的长短发生反应。
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科技词典字母P545页 ... photoperiodregime光周期状况 photoperiodresponse光周期反应 photoperiodsensitivity光照敏感性 ...
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光周期反应敏感性 Photoperiod response sensitivity
·2,447,543篇论文数据，部分数据来源于NoteExpress
第二光周期反应属一对主效隐性基因控制。
The second photoperiodic reaction is controlled by a recessive gene.
它们对日长也无严格要求，其光周期反应不具有长日植物的性质。
They are insensitive to temperature in growing process and no response to low temperature in early phase of growth. These cultivars are insensitive to day-length toc.
作者认为，大豆开花前后的光周期反应都与某些特定基因的表达有关。
It was proposed that both pre-and post-flowering photoperiodic responses in soybeans were related to the expression of certain genes.
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