Effect of heat stress on the MDA, proline and soluble sugar content in leaf lettuce seedlings

Yingyan  Han; Shuangxi  Fan; Qiao  Zhang; Yanan  Wang

doi:10.4236/as.2013.45B021

Yingyan Han, Shuangxi Fan^*, Qiao Zhang, Yanan Wang

Abstract: High temperature stress on different varieties of lettuce seedlings in MDA, proline and soluble sugar content were studied. The results were as follows : With the stress temperature, varieties of leaf lettuce seedlings in the MDA, proline and soluble sugar content gradually increased; Different varieties had the most significant difference in 38/33℃(d/n). The increase of heat-resistant varieties on proline and soluble sugar content was quick and high, while its increase in MDA content was slow and small.

Keywords: Leaf Lettuce; High Temperature; MDA; Praline; Soluble Sugar

Cite this paper: Han, Y.Y., Fan, S.X., Zhang, Q. and Wang, Y. N.(2013) Effect of heat stress on the MDA, proline and soluble sugar content in leaf lettuce seedlings. Agricultural Sciences, 4, 112-115. doi: 10.4236/as.2013.45B021.

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