Effects of Bamboo Vinegar Cold-Resistant Agents on Cold Tolerance of Tea Plant

HUANG Wei-feng; SHANG Han-wu; GAO Yong-sheng; HU Jian-guang; YU Qiu-zhu; WANG Dao-ze

doi:10.13305/j.cnki.jts.2012.05.013

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Journal of Tea Science ›› 2012, Vol. 32 ›› Issue (5) : 432-440. DOI: 10.13305/j.cnki.jts.2012.05.013

Effects of Bamboo Vinegar Cold-Resistant Agents on Cold Tolerance of Tea Plant

HUANG Wei-feng^1,2, SHANG Han-wu^1,2, GAO Yong-sheng^1,2*, HU Jian-guang³, YU Qiu-zhu³, WANG Dao-ze⁴

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Abstract

Based on the bamboo vinegar, different cold-resistance agents of tea plants were formulated. Through simulating the natural air cooling, the biochemical and physiological indexes related to the ability of cold-resistance were determined after spraying six kinds of cold-resistance agents on three tea cultivars (Wuniuzao, Anji white tea and Longjing 43). The results showed a remarkable correlation between the change of the electric conductivity, soluble protein content, proline content and the cold-resistance in three tea cultivars. Furthermore, the physiological indexes of tea plants in lab and field trial were measured. Formulation B2 could obviously increase the cold-resistance of the tea plants, and maintain the yield of tea plant under cold stress. The results revealed that bamboo vinegar cold-resistant agents could enhance the cold-resistance of tea plant in some extent, reduce the freezing injury of tea plant, and prevent the tea from the reduction of yield caused by spring cold.

Key words

bamboo vinegar / cold-resistance / physiological indexes / tea plant

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HUANG Wei-feng, SHANG Han-wu, GAO Yong-sheng, HU Jian-guang, YU Qiu-zhu, WANG Dao-ze. Effects of Bamboo Vinegar Cold-Resistant Agents on Cold Tolerance of Tea Plant[J]. Journal of Tea Science. 2012, 32(5): 432-440 https://doi.org/10.13305/j.cnki.jts.2012.05.013

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