胁迫因子

长期以来，人们普遍认为NaCl对植物不仅是一个胁迫因子，而且也是造成植物盐害的主要因素。

For a long time , people generally think that NaCl is not only a stress factor , but also an important factor to produce salt-injury to plants .

酸性红壤在我国南方广泛分布，其酸性是限制大多数作物生长的一个主要环境胁迫因子，主要原因是低pH条件下土壤中Al的溶解所导致的毒性。

Acidic soils are widely distributed in South China , and their acidity is the major environmental stress factor limiting the growth of most crops . It is well known that soil Al solubilized at low pH is a main toxic factor for plant growth .

表明UV-B辐射是影响长鞭红景天种子发芽的重要胁迫因子之一，同时也表明三样地种源的长鞭红景天种子存在一定是的差异性。

It showed that UV-B radiation is an important stress factor which affected Rhodiola Fastigiata seeds ' germination , at the same time , there are some differences among seeds from three plots .

与其他环境胁迫因子相似，病毒侵染导致寄主植物症状的产生是由许多基因表达调控因子和信号通路交互作用的结果，而miRNAs在此过程中的机理尚未完全清楚。

Similar to other environmental stress factors , disease symptoms caused by virus infection are the results of many gene expression regulation factors and signaling pathways interaction , and the mechanism of miRNAs in this process is not clear .

本文通过对植物PCD的一般特征、环境胁迫因子及诱导PCD信号传递途径、生物学意义和存在问题等进行了综述，为在逆境条件下深入研究植物细胞程序性死亡提供参考。

The paper summarized the general characteristics , environment stress factors and its transduction pathway in inducting PCD signal , biological significance and existing problems of PCD of plant , it could provide references to further study PCD of plant in adversity conditions .

脂转移蛋白（LTP）是普遍存在于动物、植物和微生物细胞质中的一类蛋白质，担负着细胞内脂质转运的功能，该基因的表达受干旱、盐和低温等环境胁迫因子的诱导。

Lipid transfer protein ( LTP ) lies widely in cytoplasm of animal , plant and microorganism and takes on lipid transport function . CP and LTP are both induced by many abiotic stresses , such as drought , salt , low temperature etc.

棉花的生长发育过程受到环境中多种生物和非生物胁迫因子的影响，造成棉花产量大幅度降低。

Cotton growth and yield are also affected by various abiotic and biotic factors .

土壤盐渍化是世界范围内影响作物产量的主要非生物胁迫因子之一，也是农作物减产的主要原因之一。

Secondary salinization of soil is an important abiotic factor limiting the crop yields worldwide .

城市绿化冷季型草种越夏的主要胁迫因子及栽培技术研究

The major stress factors for low temperature grasses in city greening and their cultivation techniques

高温炎热是气候过渡区冷季型草坪草夏季生长主要的胁迫因子。

High temperature is the major factor limiting growth of cool-season turf grass in transitional zones .

高温（≥40℃）是其生活史过程中常见的胁迫因子之一。

High temperature (≥ 40 ℃) is the commonest stress factor during growth and development of C.

胁迫因子对杜氏藻生长和色素积累的影响研究进展

Progress in the study of effects of stress factors on the growth and pigment accumulation in Dunaliella

在几年的城市绿化实践中，探明了城市生态环境下冷季型草坪越夏难的主要胁迫因子是高温和干旱。

The main stress factors caused the hard over-summering of cold season lawn was high temperature and drought .

而在日益复杂的环境背景下，单一性的研究一种胁迫因子是不够的。

The research on single stress environmental factor is no longer enough with the more complicated climate changing background .

目前，臭氧浓度及紫外光辐射强度作为植物重要的胁迫因子被越来越广泛的应用到农业相关的实验研究中。

As important plant stress factors , ozone concentration and ultraviolet radiation intensity have been widely used in research .

土壤盐碱化是威胁农业发展和生态环境建设的主要环境胁迫因子，对世界粮食生产安全构成严重威胁。

Soil salinization is an important restraint factor for agriculture development and threatens the safety of grain production of the world .

饥饿是一种主要的环境胁迫因子，会对水产动物的生理生态产生广泛影响.本文探讨了饥饿对黄鳝消化器官主要消化酶活性的影响规律。

Starvation is a major environmental stress , which has a broad effect on the physiology and ecology of aquatic animals .

干旱、极端温度和盐害等非生物胁迫因子是制约林木生长的重要因素。

Abiotic stresses such as drought , extreme temperature and salt injury are important factors limiting the growth of forest trees .

低温是限制植物生长发育和地理分布最重要的非生物胁迫因子之一。

Low temperature is one of the most important abiotic factors limiting the growth , development and geographical distribution of plants .

研究表明，其它一些因子也参与了开花调控，比如蔗糖和非生物胁迫因子。

Studies have shown that other factors are also involved in flowering regulation , such as sucrose and abiotic stress factors .

本文回顾和简述了近二十年来这两种环境胁迫因子对植物影响的研究概况。

A brief of the studies in the last two decades concerned with the effects of the two stress factors on plants are presented .

并对湖区11个县的土地生态安全进行评价，划定安全等级，分析了影响区域土地生态安全的主要胁迫因子，为该区土地生态安全建设提供借鉴和指导。

Furthermore , in order to guide improving the land ecological security situation , the major destructive factors in land ecological security were analyzed .

干旱是限制作物产量提升的一个重要胁迫因子，而农田系统氮肥的过量施用则是生态系统的一个重要污染源。

Drought is an important factor that restrict the yield improvement of crops and the over application of nitrogen has caused serious eco-system pollution .

但低温、干旱、盐碱以及病虫害等生物和非生物胁迫因子都是限制棉花生长发育和纤维产量的重要因素。

However , cotton growth and yield are limited by biotic or abiotic stress , such as hypothermia , drought , salinity , pests and diseases .

在非生物环境胁迫因子中，盐胁迫是造成农作物减产的主要因素之一。

Soil salinity , one of the major abiotic stresses that can be able to reduce agricultural productivity , affects large terrestrial areas of the world .

采用溶液培养方法，以镉、铅作为胁迫因子，研究了不同镉、铅浓度对小白菜根系生理生态的影响。

The physiological and ecological effects on root system of Brassica chinensis grown in hydroponic culture under the stresses at different concentration of Cd and Pb were studied .

两江流域水质的主要胁迫因子均与社会经济活动有关，但尚未超出流域内环境容量容许范围，总体水质仍能满足功能区要求。

Some major stress factors on water quality are concerned to activity of society and economy , but these stresses are still in the range of environment content .

一些外界胁迫因子（干旱、紫外线和病原菌）能够促进植物开花，这是植物逃避逆境的一种适应机制。

Some external stress factors ( drought , UV and pathogens ) are able to promote flowering , which is a kind of adaptive mechanisms to avoid stress for plants .

随着全球气温变暖，在炎热的夏季，强光和高温是限制梨树光合和生长的主要环境胁迫因子。而光温双重胁迫对植物光合作用的影响机理目前仍不十分清晰。

With the globe warming , strong light and high temperature severely restrict growth and photosynthesis of pear trees in summer , but less is known about their combined effects on photosynthesis .

盐害是影响植物生长发育的主要非生物胁迫因子之一，陆地表面具有丰富的盐碱土和次生盐碱土。

Salt injury was one of the main abiotic stress factors which impacted the plant growth and development . There were plenty of saline soil and secondary saline soil on land surface .