英语释义

1. a recurring cycle of light and dark periods of constant length also photophase sense 2

2. a recurring cycle of light and dark periods of constant length

片语

diurnal photoperiod光周期

photoperiod treatment光周期处理

Induced photoperiod诱导光周期

photoperiod pathways光周期途径

photoperiod response光周期反应

contra photoperiod反光周期

weak photoperiod弱感光

photoperiod sensitive光敏

artificial photoperiod人工光周期

英汉例句

• the sensitivity of pre- and post-flowering photoperiod responses indifferent ecotypes of chinese soybean were compared.

  比较了不同生态类型大豆品种开花前和开花后的光周期反应敏感性。

• the darkness length in photoperiod is the crucial factor determining the formation of plant flowers.

  光周期的暗期长度是决定植物成花的决定因素。

• day-length sensing is an important biological function in plants and photoperiod is one of the key ambient factor determining the time of plant flowering.

  日长感知是植物所具有的重要的生物学功能，光周期是决定植物开花时间的关键环境因子之一。

• the photoperiod induction of sugarcane parental varieties in louisiana state university, louisiana, united states in 1984 is discussed.

  本文讨论了美国路易斯安那州大学1984年甘蔗亲本品种的光周期诱导。

• the alga had the maximal growth at the photoperiod of 16l∶8d.

  塔胞藻在光照周期为16l∶8d时生长最快。

• photoperiod responses were studied for diverse type of soybean varieties in different latitude area by using simulated nature day length.

  采用模拟自然光照的动态光照处理，对不同纬度不同类型大豆品种，进行了光照特性研究。

• biological and environmental factors are the main factors that influence plant phenology, especially the latter, among which the dominating factors are air temperature, photoperiod and water.

  影响物候期变化的因子主要有生物因素和环境因素，后者对物候期影响更显着，其中气温、光照和水分是最主要的影响因子。

• the results showed that, the fertility changes of nongken 58s and other 3 lines, which were transformed from nongken 58s, were controlled by both photoperiod and temperature.

  结果表明，农垦58s及其以农垦58s为供体转育而来的其他3个不育系，在育性转换中均受到光周期与温度的共同作用。

• photoperiod could affect the nutrient uptake and utilization in maize .

  光周期可以影响玉米对养分的吸收及利用。

• the experiment shows that photoperiod was an important environmental factor affecting armyworm development, reproduction and flight.

  说明光周期是影响粘虫发育、殖和飞翔的重要环境因子之一。

• short photoperiod and high temperature were found to be the key factors in inducing reproductive diapause and emigration, and the two factors conditioned each other.

  各处理下的分析表明，短光照和升温是诱发生殖仃滞或迁飞的主导生态因子，二者并有相互制约的效应。

• the inherent characteristics of uncomplete bolting cultivars of subecotype 2 of low temperature sensitivity ecotype remained unchanged under all temperature and photoperiod treatment combinations.

  供试的低温反应敏感型生态亚型2品种，在各温光处理组合中均保持其不完全抽薹特性。

• photoperiod sensitivity was the major obstacle of using tropical and sub-tropical germplasm in temperate zone.

  光周期敏感性是热带、亚热带玉米种质在温带地区应用的主要障碍。

• temperature and photoperiod had close relations with growth of strawberry.

  温度和日长与草莓生长发育有密切的关系。

• the effects of temperature, humidity and photoperiod on the development of citrus red spider mite( panonychus citri mcgregor)were studied by means of orthogonal method in laboratory.

  本文应用正交实验设计法观察了温度、湿度和光照条件对桔全爪螨生长和发育的影响。

• quantitative analyses and dynamic simulation were undertaken on vernalization, photoperiod response, and their relationships to development progress in wheat.

  对小麦品种的春化作用、光周期反应及其与发育进程的关系进行了量化分析和动态模拟。

• as a short-day and temperature-bias plant, soybean variety is sensitive to photoperiod and temperature, which account for its narrow plant area.

  大豆是喜温的短日植物，对光周期和温度过于敏感是大豆品种适应范围狭窄的根本原因。

• co(constans) was an important gene involved in the photoperiod pathway controlling plant flowering time.

  是植物开花时间光周期调控途径中的一个重要基因。

• the synthesis of ga3 was promoted and synthesis of aba was inhibited after long photoperiod treatment, contrary to that, short photoperiod treatment raised aba content and reduced ga3 content sharply.

  长光周期处理促进了ga3的合成，抑制了aba的生成，从而抑制了休眠，而短光周期处理显着提高了aba的含量，降低了ga3的含量。

• although the tropical and subtropical zone had different germ plasm with our country「s and american」s in maize, photoperiod sensitivity had restricted its use in temperate zone.

  热带亚热带玉米种质具有我国乃至温带玉米种质不同的遗传变异，但光周期敏感性限制了在温带的利用。

• the results indicate31111s is a typical photoperiod sensitive male sterile line.

  结果表明31111s是一个典型的光周期敏感雄性不育系。

• they still expressed strong photoperiod sensitivity in some p group inbreds such as shen 137, qi 319 and 1127.

  但是一些p群自交系如沈137、齐319、1127等各项指标光周期敏感仍反应强烈。