photoperiodism
n. [农学] 光周期现象（=photoperiodicity）；[生物] 光周期性（=photoperiodicity）
n.
暴露于阳光而产生的反应；
英英释义
Photoperiodism
Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals.
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双语例句
用作名词(n.)
For experimental purposes, scientists originally assumed that photoperiodism worked through photosynthesis.
为了进行实验，科学家们最初曾经设想，光周期现象可能是通过光合作用实现的。
权威例句
PhotoperiodismPhotoperiodism.
Photoperiodism in Woody Plants
Index - Photoperiodism in Plants (Second Edition)
Photoperiodism in humans and other primates: evidence and implications.
The pineal gland and mammalian photoperiodism
Photoperiodism, the Response of the Plant to Relative Length of Day and Night
Arabidopsis circadian clock and photoperiodism: time to think about location.
The genetic basis of photoperiodism and its evolutionary divergence among populations of the pitcher-plant mosquito, Wyeomyia smithii
Role of the pineal gland in ovine photoperiodism: regulation of seasonal breeding and negative feedback effects of estradiol upon lu...
photoperiodism (n.)
1920, from photoperiod (1920, from photo- + period) + -ism.
1. Photoperiodism The response of an organism to changes in day length.
植物对于日照长度改变所引起的反应。
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2. But there were obvious spring and strong photoperiodism tendencies among present big spike cultivars. These need to improvement.
近期育成的大穗品种多有明显的春性化、强感光性，需要加以改进。
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3. They are involved in phototropism, and in PHOTOPERIODISM , where they are thought to affect phytochrome by transferring light energy from blue to red wavelengths.
它与向光性和光周期有关，一般认为黄素通过把光能从蓝光转移到红光而影响光敏色素。
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4. Morphological and genetic analysis revealed some photoperiod-sensitive genetic characteristics in plants and confirmed the criteria of photoperiodism index.
通过形态学和遗传学研究，揭示了光周期敏感的一些遗传特性，并确定了光敏感指数的标准。
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5. A lot of recent studies demonstrated that melatonin receptor was involved in the photoperiodism.
近年来的不少研究结果表明，绵羊对光周期的感受性还受褪黑素受体的调控。
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6. The stimulus can be transferred from one plant to another by grafting, but attempts to isolate florigen have so far been unsuccessful. See photoperiodism.
该刺激物可通过嫁接从一个植株转移到另一植株，但目前还没有成功分离出成花激素。
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7. The stimulus can be transferred from one plant to another by grafting, but attempts to isolate florigen have so far been unsuccessful. See photoperiodism.
该刺激物可通过嫁接从一个植株转移到另一植株，但目前还没有成功分离出成花激素。
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8. For experimental purposes, scientists originally assumed that photoperiodism worked through photosynthesis.
为了进行实验，科学家们最初曾经设想，光周期现象可能是通过光合作用实现的。
-- 来源 -- 英汉 - 辞典例句
photoperiodism
