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高温与植物耐热性关系的研究

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高温对植物造成损伤并诱导植物产生热激反应.通过适当高温热驯,植物的耐热性将得到提高.热激蛋白、植物激素、抗氧化系统、膜脂等包含在植物耐热性中.其中,热激蛋白是植物耐热性的重要因子,而膜脂中饱和脂类的增加将提高植物的耐热性和细胞膜的稳定性.脱落酸和水杨酸预处理、激活植物抗氧化系统也能提高植物的耐热性.
Study on the Relationship between High Temperature and Heat Tolerance of Plant
High temperature caused damage on plant and induced plant to generate heat shock response. The heat tolerance of plant would increase through proper acclimation at high temperature. There were heat shock proteins, phytohormones, anti-oxidative systems, membrane lipids and so on in plant with heat tolerance, in which heat shock protein was the important factor for heat tolerance of plant, and the increment of saturated lipids in membrane lipids would enhance the heat tolerance of plant and the stability of cell membrane. The pretreatments with abscisic acid and salicylic acid and the activation of anti-oxidative system in plant also could enhance the heat tolerance of plant.

PlantHigh temperatureHeat shock responseHeat tolerance

田学军

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红河学院生物系,云南蒙自,661100

植物 高温 热激反应 耐热性

2008

安徽农业科学
安徽省农业科学院

安徽农业科学

CSTPCD北大核心
影响因子:0.413
ISSN:0517-6611
年,卷(期):2008.36(1)
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