Selection of Salt-tolerant Callus Variants and Analyses of their Physiological Characters in Maize

doi:10.3321/j.issn:1000-7091.2007.03.032

Abstract

Abstract: The embryogenic calli were induced from immature embryos of 9 combinations of maizes. After 5 generations culture, salt-tolerant variants were obtained through three generations of continuous selection with 200 mmol/L NaCl and 5.5 mmol/L Hyp. The results showed that the differentiation frequency of calli selected by Hyp were two times as much as that by NaCl. The contents of soluble sugar and Proline in two variants were higher than in CK. The order of osmotic potential was: the variant selected with Hyp

Key words: Maize, Selection, Salt-tolerant callus variants, Physiological characters

CLC Number:

S513

WEI Xiao-min, WANG Peng, JI Liang-yue, HU Yan-min. Selection of Salt-tolerant Callus Variants and Analyses of their Physiological Characters in Maize[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(3): 137-140. doi: 10.3321/j.issn:1000-7091.2007.03.032.

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