盐碱胁迫对果树的危害及其分子机理研究进展

摘要：盐碱胁迫是影响果树生长发育最严重的限制因子之一。果树受盐碱胁迫后根系生长受阻、叶片变小、发育迟缓，造成植株矮化、早衰甚至死亡。从细胞膜透性、POD、SOD等生理特性方面分析了果树对盐碱复合胁迫的响应机制，多角度分析了果树抗盐碱的分子机理。

关键词：果树;盐碱胁迫;生理特性;分子机理

中图分类号：S156.4              文献标志码：A              文章编号：1001-1463（2022）03-0001-05

doi：10.3969/j.issn.1001-1463.2022.03.001

Research Progress on Response Mechanism of Fruit Trees Under Saline

Alkali Stress

HAO Lanlan 1，2， LI Xiaolan 1，2， WANG Hong 1，2

（1. Institute of Fruit and Floriculture Research， Gansu Academy of Agricultural Sciences， Lanzhou Gansu 730070， China; 2. College of Horticulture， Gansu Agricultural University， Lanzhou Gansu 730070， China）

Abstract：Salt-alkali stress is one of the most serious limiting factors affecting the growth and development of fruit trees. The root growth of fruit trees under salt-alkali stress was blocked， leaves became smaller， growth retarded， resulting in plant dwarfing， premature senility and even death. In this paper， the response mechanism of plants to salt-alkali combined stress was analyzed from the aspects of osmotic regulation， cell membrane permeability、 POD、 SOD、 etc. And the molecular mechanism of salt-alkali resistance of fruit trees was summarized from various angles.

Key words：Fruit tree;Salt and alkali stress;Physiological characteristic;Molecular mechanism

果树是重要的经济树种，中国是世界上水果种植面积和产量均居首位的国家，果树产业产值居种植业的第3位[1 ]。（剩余9024字）