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《Protection Forest Science and Technology》 2000-S1
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STUDIES ON THE NODULATION,NITROGEN FIXATION AND ECTOMYCORRHIZAE OF CASUARINA SPECIES UNDER WATER STRESS

YE Gong-fu~1 XU Yao-chang~2 LI Zhi-zhen~1 HUANG Fu-rong~2 LIN Jie~1 YAO Qing-duan~2 LONG Xue-wu~1 XU Jun-sen~1 (1.Fujian Academy of Forestry,Fuzhou 350012,Fujian,China; 2.Forestry Bureau of Zhangzhou City of Fujian Province)  
Based on the condition controlling soil water potential in the green house,the experiments were carried out within-nodulation and nitrogen fixation of Casuarina seedlings,and the effect of 2 kinds of ectomycorrhizal fungi on growth and water relation was studied under water stress.The results showed that nodulated situation,nitrogenase activity and the quantity of nitrogen fixation fall as water po- tential decrease.Inoculating ectomycorrhizal fungi is beneficial to improve the growth of seedlings,pro- mote the absorption of the content of phosphorus and the composition of the content of chlorophyl,in- crease the transpiration ratc and photosynthesis rate of Casuarina species.
【Fund】: 国家“九五”攻关专题(编号:96-007-03-6)
【CateGory Index】: S792.93
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