Effects of Coupling Treatment of Acid and Aluminum under Soilless Culture on Water Content of Ginkgo biloba L

Qiuliang Yu, Huilan Su, Chunlan Chen and Zhongfang Li

Asian Agricultural Research, 2018, vol. 10, issue 07

Abstract: In this experiment, two-factor 7-level uniform design scheme was applied. Separate treatment of each factor was performed for single effect test. Then, it analyzed the effects of acid and aluminum stress under soilless culture on the water content of plant during the growth of Ginkgo biloba L. seedlings, so as to provide a theoretical basis for studying the connection between plant water and physiological stress. The results showed that the water content of G. biloba plants declined with the decrease of pH, but the water content of G. biloba plants declined with the increase in the concentration of aluminum treatment, indicating that the stronger the acid and aluminum stress, the lower the water content of the plants, affecting the normal absorption of water content of G. biloba plants, accordingly leading to lack of water. According to the analysis of the degree of influence on the water content, pH is the first factor influencing the growth of G. biloba plants. If pH is lower than 3.5, G. biloba plants will not growth, while pH is higher than 5.0, aluminum has no significant effect on the water content of G. biloba plants. In conclusion, the water content of G. biloba plants can be used as an essential indicator for acid and aluminum stress.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:ags:asagre:281259

DOI: 10.22004/ag.econ.281259

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