兜兰的叶片形态结构和生理功能的进化与适应喀斯特地区匮乏的水肥条件有关。
The leaf morphological and physiological evolution of Paphiopedilum was related to water and resource-conserving traits in the karst habitat.
叶面积指数和叶片氮素含量是决定小麦群体长势的重要生理指标，也是制定栽培管理措施的必要依据。
Wheat LAI and leaf nitrogen content are important physiological indices for determining the growth condition and necessary basis for establishing cultivation and management measure.
我们认为成花短枝及其叶片中这几种氨基酸和木质部液中氨基酸含量的变化与梅花花芽生理分化的关系值得进一步探讨。
The relationships between the amino acids in spurs or leaves with special content variation pattern and the physiological differentiation of flower buds remain to be investigated.
气孔运动机制及光合作用和蒸腾作用对环境变化响应的差异是叶片水平WUE的生理基础；
The mechanism of stoma and the differences of the correspondence of photosynthesis and transpiration to environmental changes were the physiological basis of WUE at leaf level.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
叶片的电解质外渗率(rec)的变化是茶梅低温胁迫后较为稳定的生理指标。
The relative Electric Conductivity (REC %) was regarded as the reliable physiological indication for tolerance to low temperature in leaves of c.
这些品种与其它品种比较具有耐寒性差、耐高温性好、生长速度快、叶片光合效能强和产量突出等生理特性。
Compared with other maize hybrids, they are characterized by poor low temperature resistance, good high temperature tolerance, fast growth, high photosynthetic efficiency of leaves and high yield etc.
贝达葡萄叶片对模拟酸雨引起的生理伤害较敏感，叶片对不同生理指标有不同的自我修复功能。
Bate's leaf was sensitive to simulated acid rain injures. But the leaf also do some self-restoration to some different physiology indexes.
1998年对梨园覆盖秸秆后的土壤含水量和叶片几项水分生理指标进行了测定。
Soil water contents and some leaf water physiological parameters in straw mulched and unmulched pear orchards were determined during 1997~1998.
因此，叶片干物率的高低是衡量植株生长状况和内部代谢强弱的重要生理生化指标。
Thus, the size of the dry matter rate of leaves is an important physiological biochemical index for evaluating the state of plant growth and the activity of internal metabolism.
从整株水平上加强叶片衰老的生理机制和控制技术研究，将为生产上控制衰老、减少叶片异常衰老造成的产量和品质损失提供有效的技术途径。
It is advanced that leaf senescence should be studied further and regulated more effective on level of whole plant to avoid or reduce the loss on yield and quality caused by abnormal senescence.
此结果表明，灌浆初期，叶鞘接收叶片的营养物质，具备“库”的生理作用；
It concluded that, at the early stage of grain filling, leaf sheath performed the physiological function as sink, which received nutrient substance from leaves.
对春小麦开花后的不同叶位及叶龄叶片在衰老过程中的相关生理生化指标进行了分析。
Interrelated physiological and biochemical index in the course of senescence are analysed about spring wheat's different leaf arrangement's and leaf age's leaf after blossom.
同时叶片叶绿素含量提高，光合强度增加，生理活性增强。
At the same time, chlorophyll content is raised, photosynthesis improved and physiological activity strengthened.
研究在不同程度干旱胁迫下结缕草叶片的叶绿素、脯氨酸、MDA含量的变化进行测定，研究其生理生化指标的变化，来探讨结缕草对干旱胁迫的响应。
Different degrees of drought stress in chlorophyll Zoysia, proline, MDA content changes were determined to study the physiological and biochemical changes, to explore the Zoysia to drought stress.
在不同梯度土壤干旱胁迫下，八仙花4个品种叶片的各项生理生化指标发生不同变化。
In the different gradient under drought stress, leaves of 4 varieties of Hydrangea of the different physiological and biochemical changes occur.
叶片衰老过程中伴随着一系列有序事件的发生和复杂的生理生化变化，外施植物激素或内源激素水平极大地影响叶片的衰老进程。
Series physiological and biochemical reactions are accompanied with the course of leaf senescence, and these reactions are seriously affected by endogenous and exogenous hormone level in plant.
通过不同叶片的比较还发现：锦竹叶片上不过量的黄色条纹并不会使其光合生理活动减弱；
Through the comparison between different leaves, we also discovered that the yellow stripe on leaves won't weaken photosynthetic activity;
通过不同叶片的比较还发现：锦竹叶片上不过量的黄色条纹并不会使其光合生理活动减弱；
Through the comparison between different leaves, we also discovered that the yellow stripe on leaves won't weaken photosynthetic activity;
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