Effect of cold acclimation and ABA on cold hardiness resistance, contents of proline in tea plants was studied. The results showed that through cold acclimation and ABA treatment, the cold hardiness of tea plants was changed greatly during the process of acclimation to deacclimation, showing a trend from low to high then to low again. And ascertain 7℃and 9℃are the crucial temperature to finish acclimation or start declimation respectively.On the other hand, it can be concluded that the rising degree of cold hardiness resistance was lower during artificial
or ABA treatment than that of natural cold acclimation. At the same time, changes of Proline content weren’t regular,the relationship between proline content and cold hardiness resistance was insignificant. It implied that changes of proline content during cold acclimation were an integrative response in tea plant.
YANG Ya-jun
,
ZHEN Lei-ying
,
WANG Xin-chao
. Effect of Cold Acclimation and ABA on Cold Hardiness, Contents of Proline in Tea Plants[J]. Journal of Tea Science, 2004
, 24(3)
: 177
-182
.
DOI: 10.13305/j.cnki.jts.2004.03.006
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