水分胁迫

研究人员通过一个计算机模型测出了水分胁迫,该模型计算了树木获得的水分与它们需要的水分之间的对比,同时考虑了降雨、气温、土壤湿度和融雪时间等因素。

The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed , taking into account such things as rainfall , air temperature , dampness of soil , and the timing of snowmelt ．

穗期阶段水分胁迫对穗长、穗粒数整齐度影响明显，产量降幅较大；

Water stress during spike stage effects significantly the regular degree of panicle length and the grain number per ear , yield decreases greatly .

叶绿素b比a对水分胁迫反应敏感。

The response of chlorophyll B to water stress was more sensitive than that of chlorophyll A.

结实期水分胁迫对C4转基因水稻产量的影响及其生理的研究

Effect of Water Stress During Grain Filling on Grain Yield of Transgenic Rice Expressing C_4 Photosynthesis Enzymes and Its Physiological Mechanism

土壤水分胁迫对菌根接种苗N素营养生理特性的影响远大于对P素的影响；

Stress of soil moisture showed greater influence on characteristics of the nutrition physiology of N element than that of P element .

细胞相容性溶质对水分胁迫下玉米根系SOD活性的促进作用

The increasing of compatible solutes to SOD activities in maize roots under water stress

小麦苗期水分胁迫诱导差异表达cDNA的研究

Studies on the Differential Expression cDNA Induced by Water-stressed in Wheat Seedling Stage

开花之前水分胁迫使SOD、POD活性增强，开花期各处理SOD活性均达到最高值，随后开始降低，灌浆期到乳熟期急剧降低；

Under water stress condition , SOD and POD activity enhanced before flowering stage .

Ca~（2+）GA混合液对水分胁迫下棉花幼苗生长的影响

Effects of Ca 2 + & GA Mixture Solution on Cotton Seedling-growth under Water-stress

水分胁迫下植物体内游离脯氨酸的累积及ABA在其中的作用

The accumulation of free proline and the role of ABA in water-stressed plants

从而可增强玉米的耐旱性。水分胁迫下玉米叶片中存在乙烯和多胺的相互制约关系，多胺可能参与DNA和蛋白质合成的调节。

Ethylene and polyamine could condition each other in maize leaves under water stress , while polyamine could adjust the biosynthesis of DNA and protein .

水分胁迫下苹果根系H2O2的产生及Ca~（2+）的作用

The Formation of H_2O_2 in Apple Roots and the Effects of Ca ~ ( 2 + ) under water stress

在水分胁迫进程中，超氧化物歧化酶（SOD）和过氧化物酶（POD）的活性先增加后降低。

During water - stress , the activity of SOD and POD increased firstly , then decreased ;

PEG模拟水分胁迫对香椿种子萌发的生理生化指标影响

PEG Simulated Water Stress Effects on Physiological and Biochemistry Indexes of Germination of Toona sinensis Seeds

水分胁迫条件下CO2加富对枇杷叶绿素荧光及抗氧化酶的影响

Effects of CO_2 enrichment on chlorophyll fluorescence and antioxidative enzymes in loquat ( Eriobotrya japonica Lindl . ) under the condition of water-stress

结果显示，水分胁迫导致3个近等基因品系叶片净光合速率、气孔导度、蒸腾速率降低，胞间CO2浓度在轻度和中度胁迫下降低而在重度胁迫下升高；

However , intercellular CO_2 concentration ( Ci ) decreased under slight water stress and increased under severe water stress .

而对于受水分胁迫的植株，一方面低温对Pn的抑制作用不明显。

On the other hand , inhibition of Pn by superimposed chilling on water stressed plants was insignificant .

本实验研究了水杨酸（Salicylicacid，SA）处理对在7%聚乙二醇（PEG6000）水分胁迫下的玉米根系膜脂过氧化的影响。

Effect of salicylic acid on membrane lipid peroxidation of maize roots in water stress was studied .

水分胁迫对玉米幼叶质膜ATPase活性影响及其与钙调素和渗透调节的关系

Effect of Water Stress on Plasma Membrane ATPase Activity of Maize Leaves and Its Relation to Osmoregulation of CaM

水分胁迫下紫花苜蓿叶片含水量、质膜透性SOD、CAT活性变化与抗旱性关系研究

Alfalfa drought resistence : correlated with changes of relative water content , membrane permeability and activities of superoxide dismutase and catalase in different water stress

在所有水分胁迫条件下，谷胱甘肽还原酶（GR）活性均增强。重度水分胁迫下脂质过氧化作用增强，但轻度胁迫下几乎无此变化。

Lipid peroxidation was enhanced under severe water stress conditions but not under light water stress .

应用GC&ECD对水分胁迫诱导的冬小麦幼苗内源ABA变化进行了测定。

ABA changes induced by water stress in winter wheat seedling roots and leaves were studied by means of GC-ECD .

水分胁迫对冬小麦植被指数NDVI影响及其动态变化特征

Effects of water stress in different stages on winter wheat vegetation index and NDVI 's dynamic

适宜的氮水平能提高水分胁迫下叶片中酶促防御系统的活性，其中SOD活性明显高于对照。

The activity of protective enzymes SOD , POD , CAT , photosynthesis rate and biomass could be increased by suitable nitrogen level under water deficit .

采用人工控制土壤不同的含水量，研究水分胁迫对夏玉米生长和中微量元素Ca、Mg、Mn、Cu含量的影响。

Contents of mid - element and micro - element Ca , Mg , Cu and Mn in summer maize were studied by control different water of soil .

ABA和6-BA对水分胁迫下玉米幼苗碳素同化关键酶的影响

Effect of ABA and 6-BA on activity of key enzymes in carbon assimilation in Maize Seedlings under water stress

水分胁迫对棉花叶片中IAA从含量、IAA氧化酶和过氧化物酶活性的影响

Effects of Water Stress on the Content of IAA and the Activities of IAA Oxidase and Peroxidase in Cotton Leaves

在水分胁迫处理中枇杷叶片RWC明显持续下降，但受CO2浓度条件的影响不明显。

During water stress treatment , the value of RWC obviously failed , the effect of CO2 was no distinctness .

过氧化氢（H2O2）降解系统效能的下降可能是水分胁迫下叶片中发生氧化伤害的原因。

Decline in the efficacy of the H2O2 decomposing system is probably responsible for oxidative damage occurring in water stressed leaves .

AMD和CHM对水分胁迫下冬小麦幼苗ABA累积的影响

Effect of Actinomycin D and Cycloheximide on ABA Accumulation Induced by Water Stress in Winter Wheat Seedling