Comparison and analysis of the characteristics of mutant SP2008-3 and adalayd in seashore Paspalum

Abstract

Abstract: A comparison of botanical properties, of stomatal characteristics of the upper and lower leaf epidermis, and of chromosome identification and RAPD analysis between mutant SP2008-3 and Adalayd in seashore Paspalum was carried out. Stolon internode length and stem diameter were reduced by 34.77% and 11.76% in SP2008-3 compared with Adalayd and leaf length and width were increased by 22.55% and 11.11% respectively. There were no significant differences in erect stem internode length and diameter between SP2008-3 and Adalayd. In the upper leaf epidermis of SP2008-3, stomatal density was 20.58% greater, and stomatal length and width were 9.64% and 6.31% less respectivley than in Adalayd. Stomatal density in the lower leaf epidermis of SP2008-3, was 40.62% greater, and stomatal length and width were 6.73% and 5.33% less than in Adalayd. The somatic chromosome number was 2n=20 in both SP2008-3 and Adalayd. RAPD analysis showed a difference in the DNA: a 1 100 bp band was missing in SP2008-3 when the DNA was amplified by primer S369.

CLC Number:

Q944.3

CHANG Pan-pan, ZHONG Xiao-xian, LIU Zhi-wei. Comparison and analysis of the characteristics of mutant SP2008-3 and adalayd in seashore Paspalum[J]. Acta Prataculturae Sinica, 2012, 21(6): 207-212.

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