Cultivate new variety with salt-tolerance, drought-tolerance and disease-tolerance has to be an important subject.
培育耐盐、抗旱及抗病作物新品种已经成为作物品种改良的重要课题。
The order of the influence of water stress on dry matter accumulation was: Yedan 13> Yuyu 22> Yedan 2, while the drought-tolerance order is: Yedan 2> Yuyu 22> Yedan 13.
耐旱性弱的掖单13干物质积累受水分胁迫影响最大，耐旱性强的掖单2号受影响最小，耐旱性中等的豫玉22受影响程度居中。
Global food production is under threat as key breadbaskets in Europe, Asia and the United States suffer drought, and heatwaves outstrip the tolerance of crops.
随着欧洲、亚洲和美国的主要产粮区遭受旱灾以及让农作物不堪负荷的热浪袭击，全球粮食生产将出现危机。
The hope is that this mad-dash scramble will allow scientists to pass along the vital traits of these rugged relatives, such as drought and flood tolerance, to our vulnerable crop varieties.
希望这场疯狂冲刺式的竞争能让科学家将那些强健亲缘的重要特性，如干旱和洪水耐受力传递给我们脆弱的作物品种。
At the same time, biotech plants with traits of interest to the poor — drought and salinity tolerance, disease resistance, or enhanced nutrition — are receiving little attention.
同时，与穷人相关的特性-耐旱耐盐碱、抗病害或营养增强-的生物技术作物亦很少得到关注。
Now, this technique has been widely applied to study molecular mechanism of resistant genes, such as drought tolerance, cold endurance and disease resistance.
目前这一研究技术也已广泛应用于抗性基因如抗旱、耐低温和抗病特性的分子机理研究中。
As the farmland is limited and the population continuously increases at present, the object in plant breeding is to breed crop varieties with relatively drought tolerance.
在耕地有限，人口不断增长的今天，培育耐旱能力相对提高的植物品种已成为植物分子育种工程的目标之一。
In the past decades, considerable progress has been made in maize breeding for drought tolerance using conventional methods, but with low breeding efficiency due to various causes.
多年来，通过常规手段进行玉米抗旱育种取得了一定进展，但由于多方面原因，其育种效率没有得到进一步提高。
It has the characteristics such as high yield, drought and waterlogging tolerance, saline and alkaline bearing etc, so it is an important crop in the world.
高粱具有产量高，耐旱，耐涝及抗盐碱等不良环境的特性，是一个全球性的重要作物。
Drought is the most important abiotic factors limiting maize production. The effective approach to solve this problem is breeding and popularizing variety for drought tolerance.
干旱是影响玉米生产的最主要非生物胁迫因素，解决这一问题的有效策略是选育并推广抗旱性品种。
The root length is main parameter of root architecture with various important functions such as nutrient uptake, drought tolerance and yield.
而根的长度是根型的主要参数，对于养分的吸收，耐旱和作物的产量都有重要的作用。
It could enhance the tolerance of citrus to drought and cold, improve the soil structure and fertility, increase the quality and yield of citrus fruit, and reduce the cost of control.
能提高树体的抗旱和抗寒能力，改善土壤结构，增加土壤肥力，提高柑桔品质和产量，降低防治费用。
By analyzing the loci linked to drought tolerance, disease resistance, insect resistance and yield traits, etc, the identification and cloning of related genes is possible.
在解析与优良基因连锁的甲基化位点的基础上，分析一些重要性状如抗旱、抗病、抗虫及产量等性状，并对其基因进行定位，使鉴定和克隆相关基因成为可能。
Soluble sugar was one of material basis of drought tolerance of these species.
可溶性糖是它们耐旱的重要物质基础之一。
Drought tolerance mechanism of crops, the reaction of physiology biochemistry and the changes of ultrastructure under water stress were reviewed in this article.
综述了作物的耐旱机制、水分胁迫下的生理生化反应及超微结构变化的研究进展，并指出了今后需要进一步研究的问题。
The main characteristics of drought tolerance in plants which are of the ability of dehydration tolerance with low water potential are maintenance of turgor and protoplasmic desiccation tolerance.
而低水势忍耐脱水的植物则是以保持膨压和原生质忍耐脱水为其主要特征。
The relationship between membrane lipid peroxidation, non-enzymatic protection system and drought tolerance of sweet potato varieties was discussed.
还探讨了甘薯膜脂过氧化及非酶促保护物质与甘薯品种耐旱特性的关系。
It was concluded according to the functions of their homologous sequences that fragments MD1, MD2 and MD3 feasibility related to drought tolerance mechanism of inbred line '81565'.
根据各自序列相似同源基因的功能推测，MD 1、MD 2和MD 3三个片段可能与“81565”的耐旱机制有关。
The distributing pattern and construction of root system among maize genotypes, which had different tolerance to drought and cultivated in phaeozem were studied and compared.
以不同耐旱性玉米为试验材料，利用根箱冲洗根系的方法进行取材，研究并比较不同耐旱性玉米根系在黑土中的构型分布和动态建成。
Alfafa had strong tolerance to drought and barren soil and cover well.
紫花苜蓿较抗旱、耐贫瘠，覆盖好。
The results indicated that JM treatment could enhance drought tolerance of young apple trees.
认为JM处理在一定程度上提高了苹果幼树的抗旱性。
Loss of DST function increases stomatal closure and reduces stomatal density, consequently resulting in enhanced drought and salt tolerance in rice.
DST功能丧失之后会使气孔关闭增加和气孔密度减小，从而提高水稻的耐旱性和耐盐性。
In this paper, the current research situation is reviewed, and the forage value, salinity tolerance, drought resistance as well as wear tolerance are introduced.
的研究现状，介绍了其优良的饲用价值、抗盐性、抗旱性和耐磨损性等抗逆性特征。
The influence of water-logging on the growth and the yield is a hotspot in wet-tolerance research in drought crops.
大麦是旱作物之一，近年来，大麦品种耐湿性的鉴定研究受到多数大麦生产国的重视。
The influence of water-logging on the growth and the yield is a hotspot in wet-tolerance research in drought crops.
大麦是旱作物之一，近年来，大麦品种耐湿性的鉴定研究受到多数大麦生产国的重视。
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