干旱和高温对植物光合作用的影响机制研究进展.pdf

, 2006, 26( 3): 0641— 0648 Acta Bot . Boreal .-Occident .Sin. : 1000-4025(2006) 03-0641-08 * 云建英,杨甲定 ,赵哈林 ( , 730000) 　: ()。 ,。 : ;;; : Q945. 78　　　: A Research Progress in the Mechanism for Drought and High Temperature to Affect Plant Photosynthesis * - , - , - YUN Jian ying YAN G Jia ding HAO Ha lin ( Department of Ecology and Agriculture, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China) Abstract: Drought (water deficit) and high temperature are two major constraint factors in the growing season in the desert area of Northern China The paper mainly summarizes research advances about the. mechanisms for drought and high temperature to affect plant photosynthesis at the physiological level as well as conduct some analysis of related researches in the future. Key words drought high temperature environmental stress photosynthesis: ; ; ; 　　, [ 3] 。, [1] , , 。 。 , , 。 200～ 400 mm,2 000 mm , ;()(5～ 8) , ,30℃, 。 40℃,, [2] , 、, () ,,() 。 ,、 ,、 : 2005