Study on Effects of Simulated Acid Rain on the Leakage Amount of K+,Ca2+ and Mg2+ in Leaves of Alnus formosana

FOREST RESOURCES WANAGEMENT ›› 2013›› Issue (4): 100-103.

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Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana

XU Caiyao^1,2, HUANG Guifen^1,3, WU Chengzhen^1,2, HONG Wei^1,2, LI Jian^1,2, LIN Yongming^1,2

1. Key Laboratory for Forest Ecosystem Process and Management of Fujian Province,Fuzhou,Fujian 350002,China;
2. College of Forestry,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China;
3. Longshan Town People’s Government,Nanjing County,Zhangzhou,Fujian 363600,China

Received:2013-07-01 Revised:2013-07-26 Online:2013-08-28 Published:2020-11-23

Abstract

Abstract: The effect of leakage amount of K⁺,Ca²⁺ and Mg²⁺ in leaves with different pH of simulated acid rain was investigated by spraying experiments.After a certain period of acid rain stress time,the leakage amount of K⁺,Ca²⁺ and Mg²⁺ in leaves of Alnus formosana seedlings decreased with the increasing of pH value,showing a negative correlation effect.The leakage amount of K⁺ in leaves of treatment I-V decreased by 34%,25.5%,17.4%,16.7%,11.4% compared with the control (CK);the leakage amount of Ca²⁺ in leaves of treatment I-V decreased by 36%,25%,18%,5%,3% compared with the control (CK);the leakage amount of I-V treatment of Mg2+ in leaves decreased by 58.3%,41.6%,37.5%,29.2%,22.1% compared with the control (CK).The changes of leakage amount of K⁺ and Mg²⁺ in leaves generally increased firstly and decreased afterwards with the prolonging of stress time,but the leakage amount of Ca²⁺ gradually decreased.

Key words: simulated acid rain, Alnus formosana, leakage amount

CLC Number:

S718.43

XU Caiyao, HUANG Guifen, WU Chengzhen, HONG Wei, LI Jian, LIN Yongming. Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana[J]. FOREST RESOURCES WANAGEMENT, 2013, (4): 100-103.

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Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana

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