photoperiodism的意思

photoperiodism

英式音标[,foto'pɪriə,dɪzəm]
美式英标[fəʊtəʊ'pɪərɪədɪz(ə)m]

基本解释

n. [农学] 光周期现象（=photoperiodicity）；[生物] 光周期性（=photoperiodicity）

英文词源

photoperiodism (n.): 1920, from photoperiod (1920, from photo- + period) + -ism.

实用例句

1. 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.

2. What is the adaptive significance of photoperiodism during evolution?: 在演化过程中生物或植物以光周期适应(环境)之意义为何?

3. But there were obvious spring and strong photoperiodism 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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