光周期的暗期长度是决定植物成花的决定因素。
The darkness length in photoperiod is the crucial factor determining the formation of plant flowers.
但是，两组光周期被打乱的老龄雄鼠的死亡率则高多了。
But the number of deaths in the two groups whose day-and-night cycles had been tampered with was far higher.
研究最彻底的是不同的光周期对高生长停止，萌芽和进入休眠的时间的效应。
Best studied are the effects of differing photoperiods on The Times of height growth cessation, bud formation and dormancy onset.
虽然同一个居群长期受到相同光周期诱导，但是种群不是有单一相近的开花期，存在着开花光周期反应不同的基因型。
It was observed that there were different genotypes for genetic flexibility in flowering photoperiodic response, although the populations had always been subjected to the same photoperiodic induction.
人们认为这种梯度变异可能是降水量，温度也许还有光周期等地理趋势造成的结果。
The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
光周期可以影响玉米对养分的吸收及利用。
Photoperiod could affect the nutrient uptake and utilization in maize.
光周期对幼虫滞育的影响不大。
Photoperiod brings for the little effect on the diapause of larvae.
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。
Photoperiod sensitivity was the major obstacle of using tropical and sub-tropical germplasm in temperate zone.
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 photoperiod induction of sugarcane parental varieties in Louisiana State University, Louisiana, United States in 1984 is discussed.
这种反应属于典型的光周期现象，而不是由温度的替代作用、光合时间的改变或前期短日后效应引起的。
The respose was not caused by the effects of temperature, photosynthetic duration or pre-flowering photoperiodic after-effect but was typical photoperiodism.
光周期对家蝇幼虫滞育的影响不大。
Photoperiod produces little influence on the diapause of housefly larvae.
秋季贮藏蛋白质的积累可能与光周期、温度、水分和氮素的供应量直接相关。
The vegetative storage protein accumulation in fall may be directly related to the photoperiod, accommodation of n, temperature and water.
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。
Quantitative analyses and dynamic simulation were undertaken on vernalization, photoperiod response, and their relationships to development progress in wheat.
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。
The experiment shows that photoperiod was an important environmental factor affecting armyworm development, reproduction and flight.
是植物开花时间光周期调控途径中的一个重要基因。
Co (constans) was an important gene involved in the photoperiod pathway controlling plant flowering time.
结果表明31111s是一个典型的光周期敏感雄性不育系。
The results indicate31111S is a typical photoperiod sensitive male sterile line.
本文介绍了光强、光质和光周期三个因子对一品红生长的影响。
Light strong, light quality and light cycle are presented in this pape, which three factors effectuate the growth of poinsettia.
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。
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.
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，而短光周期处理显著提高了ABA的含量，降低了GA3的含量。
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.
研究表明，不育系的温度敏感期和光周期敏感期是一致的，即在小麦穗分化的药隔至花粉粒单核期。
The results showed that the stage of photo-sensitivity and thermo-sensitivity was coincident from anther chamber formation to mononucleate.
本文通过遮光实验旨在研究高粱品种2421的光周期性。
This paper showed that sorghum 2421 is a very photosensitive variety for day length by covering light treament.
在相同区域中，不同生存微环境的近缘种类的有性生殖的光周期反应有所不同。
Photoperiodic responses of SR are distinct in closely related species inhabiting overlapping but different micro habitats.
水稻是一种短日照植物，光敏色素参与了光周期调控的水稻开花。
Phytochromes mediate the photoperiodic control of flowering in rice (Oryza sativa), a short-day plant.
在冬型小麦的春化过程中有短日光周期效应。
The effect of short-day photoperiod is evident in the vernalization process on the ecotype of winter wheat varieties.
对滞育诱导强度、光周期和温度三个因素的研究表明，温度是影响棉铃虫解除滞育的主要因素。 滞育蛹在高温下可以解除滞育，但时间较长。
The results showed that the temperature but not the photoperiod and inducement intensity of diapause, was a main factor affecting termination of diapause.
对光周期反应敏感的亚热带自交系CML312表现异常，基本营养生长期指标在自交系内及其F1内变异较大；
The performance of the basic vegetative stage in the CML312 line with sensitivity to photoperiod is abnormal with higher CV within the line and F1.
对光周期反应敏感的亚热带自交系CML312表现异常，基本营养生长期指标在自交系内及其F1内变异较大；
The performance of the basic vegetative stage in the CML312 line with sensitivity to photoperiod is abnormal with higher CV within the line and F1.
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