CAJ | 학술논문

　　玉米是对低温逆境较为敏感的重要禾谷类作物。早春低温冷害是我国北方春玉米区的主要自然灾害之一，已成为影响玉米产量水平提高的重要因素。从膜脂过氧化、光合作用、外源激素以及脯氨酸、可溶性蛋白质含量等方面阐述玉米耐寒性生理生化机理研究进展，简述近年来对玉米耐寒性QTL定位和分子信号转导以及基因克隆转化方面的研究概况，对玉米耐寒性研究方面存在的问题及今后的研究方向进行探讨。
　　옥미시대저온역경교위민감적중요화곡류작물。조춘저온냉해시아국북방춘옥미구적주요자연재해지일，이성위영향옥미산량수평제고적중요인소。종막지과양화、광합작용、외원격소이급포안산、가용성단백질함량등방면천술옥미내한성생리생화궤리연구진전，간술근년래대옥미내한성QTL정위화분자신호전도이급기인극륭전화방면적연구개황，대옥미내한성연구방면존재적문제급금후적연구방향진행탐토。
As an important cereal crop, maize is sensitive to chilling stress. Early spring chilling damage is one of the main natural disasters in northern spring maize region. It has become an important factor that elevated maize yield level in this region. The research progress on physio-biochemistry of chilling tolerance in maize was summa-rized from the aspects of membrane lipid peroxidation, photosynthesis, exogenous hormones, proline and soluble pro-tein content. Current advance in QTL analysis, molecular signal conduction, gene clone and transform for chilling tolerance in the recent years were reviewed. The problems and perspectives of maize chilling tolerance were also provided.