| 生物膜与果树抗寒性 |
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| 引用本文： | 王善广,张华云,郭郢,孙秀兰,皮钰珍.生物膜与果树抗寒性[J].天津农业科学,2000,6(1):37-40. |
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| 作者姓名： | 王善广 张华云 郭郢 孙秀兰 皮钰珍 |
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| 作者单位： | 1. 国家农产品保鲜工程技术研究中心,天津,300112
2. 天津市林业果树研究所,天津,300112 |
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| 摘 要： | 由于生物膜中脂类的组分比较复杂 ,同时又有膜蛋白以及其他各种因素的影响 ,即使温度在生理温度范围以内变化 ,也能引起分相现象。这种分相影响脂膜的透性 ,从而可以解释低温冷害或低温发生的原因。膜脂脂肪酸不饱和程度越高 ,抗寒性越强。尽管降温速度影响不饱和脂肪酸的形成 ,但是品种的遗传性才是抗性的基础。利用电导值和统计运算 ,鉴定果树的抗性是可行的
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| 关 键 词： | 生物膜 分相 不饱和脂肪酸 果树 抗寒性 |
| 修稿时间： | 1999-09-13 |
Sammarize of Biomembrane and Fruit Tree Cold Resistance |
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| WANG Shan-guang,ZHANG Hua-yun,GUO Ying,SUN Xiu-lan,PI Yu-zhen.Sammarize of Biomembrane and Fruit Tree Cold Resistance[J].Tianjin Agricultural Sciences,2000,6(1):37-40. |
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| Authors: | WANG Shan-guang ZHANG Hua-yun GUO Ying SUN Xiu-lan PI Yu-zhen |
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| Abstract: | Biomembrane can be splited phase though within physiological temperature.Because these are complicated lipides and membrane protein in the biomembrane.Low temperature injure can be explained that split phase influence the membrane saturate.Hardiness fruit tree has much more unsaturated fetty acid.Though lower the temperature speed can influence the formation of unsaturated fetty acid.The genotype of variety is the crucial to cold resistance.It is possible that fruit plant cold resistance can be identified according to the percentage of eletrolyte leakage. |
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| Keywords: | bioemembrane split phase unsaturated fetty acid fruit plants cold resistance |
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