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It affects tuberization, leaf senescence, and dormancy. 它影响块茎形成、叶子衰老和休眠。
Leaf senescence, the last phase during leaf development, is closely related to the damage caused by activated oxygen. 叶片衰老是叶片生长发育进程中的最后阶段,与活性氧伤害有着密切的关系。
After the leaf senescence, chloroplasts became round and grana lamellae changed into disarray arrangement and blurring. 衰老后叶肉细胞叶绿体由长椭圆形趋于圆形，基粒片层逐渐变得杂乱至模糊不清。
Leaf senescence is the significant physiological reflection of the whole plant and is affected by roots,stem,reproductive organs and other leaves. 叶片衰老是整个植株生理特性的敏感表现，受根系、茎、生殖器官和其他叶片等器官的影响。
At all stage of flag leaves senescence, we can find the activity of C_4 pathway enzymes:PEPCase,PPDK,NADP-ME,NADP-MDH. We surmise that there are C_4 path-way in hybrid rices. 本实验亦证明在剑叶全展后的各时期均能测定到C_4途径关键酶:PEPCase、PPDK、NADP-ME和NADP-MDH的活性,推测在供试材料中可能存在有C_4途径。
Abstract leaf senescence is the significant physiological reflection of the whole plant and is affected by roots, stem, reproductive organs and other leaves. 摘要叶片衰老是整个植株生理特性的敏感表现，受根系、茎、生殖器官和其他叶片等器官的影响。
The presence of leaf senescence is a result of metabolism disadjustment in active oxygen and free radicals inside the body. 叶片这些衰老的表现是体内活性氧、自由基代谢失调累积的结果。
MDA content of Shan 229 is the least.It means Shan 229 has the weakest membrane lipid peroxidation and the slowest leaf senescence. 整个灌浆期间陕229的丙二醛含量最少，膜质过氧化程度最低，叶片衰老程度最慢。
The metabolizing course of reactive oxygen species in rice leaves and regulatory countermeasures of delaying leaf senescence were introduced in the paper. 介绍了水稻叶片中活性氧的代谢过程及目前延缓叶片衰老的调控手段。
Effect of N application rates on leaf senescence and its mechanism in maize was studied by methods of field experiment, plant analysis and electron microscopy examination. 采用田间试验、植株分析及电镜检测方法研究了氮肥用量对玉米叶片衰老的影响及其机制。
Lu D Z, Pan Y C, Ma Y F, Lin Z D, Bao W Q, Jin Y M, You S P.Physiological and biochemical studies on leaf senescence at heading and grain formation stage in hybrid rice. 陆定志;潘裕才;马跃芳;林宗达;鲍为群;金逸民;游树鹏.;杂交水稻抽穗结实期间叶片衰老的生理生化研究
Under condition of field cultivation, winter wheat Yumai 49 were sprayed with GA3、NBT、6-BA、TIBA、PP333 to study their effect on process of flag leaf senescence and yield constituents. 摘要研究了叶面喷施GA3、NBT、6-BA、TIBA、PP333对小麦旗叶衰老过程中若干生理指标的影响，分析了它们对成产要素的不同作用。结果表明；
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. 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。
The relationship between leaf senescence and the activities of protective enzymes was studied through comparion of a xanthan rice mutant HuangyuB with its wild type parent LongtefuB. 摘要以野生型龙特甫B为对照，研究了其黄叶突变体黄玉B剑叶衰老与抗氧化酶活性的关系。
Morpholoical observation and the analysis of leaf cytokinin content and chlorophyll content showed that the chimeric gene was expressed in some transgrnic plants and the leaf senescence was delayed. 通过叶片细胞分裂素含量和叶绿素含量的测定以及形态观察,表明抑制衰老的嵌合基因在部分转基因水稻中表达，叶片衰老得到延迟。
He P,Jin J Y.Effect of N and K nutrition on changes of endogenous hormone and metabolism of active oxygen during leaf senescence in spring maize[J].Plant Nutr.Fert.Sci.,1999,5(4):289-296. [9]何萍;金继运.;氮钾营养对春玉米叶片衰老过程中激素变化与活性氧代谢的影响[J]
The changes of polyamines during peanut leaf senescence of two different senescent type peanut varieties were studied. 在大田条件下以两个不同衰老型花生品种为材料，研究了叶片衰老过程中多胺的变化。
He P , Osaki M, Takebe M and Shinano T. 2002: Changes of photosynthetic characteristics in relation to leaf senescence in two maize hybrids with different senescent appearance. 刘晓燕，金继运，何萍，高伟。李文娟。氯化钾对玉米木质素代谢的影响及其与茎腐病抗性的关系。
The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
It affects tuberization, leaf senescence, and dormancy 它影响块茎形成、叶子衰老和休眠。