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.
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
.
DOI: 10.13305/j.cnki.jts.2012.05.013
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