Study on the Identification of the Drought Resistance of Elytrigia repens and E. intermedia at Seedling Stage

doi:10.3321/j.issn:1000-7091.2007.03.013

Abstract

Abstract: Seventeen germplasm and materials of E. repens (L) Nevski and E. intermedia (Host) Nevski from 9 different countries were chosen for the identification of the drought resistance with soil drought stress methods at sunlight greenhouse. Drought resistances of 17 germplasm and materials at seedling stage have been all evaluated through the analysis of physiological and biochemical parameters of relative water content, cell membrane permeability, free proline content and malondaildehyde content in the leaves of these plants. The results showed that 17 germplasm and materials were classified into 3 groups, strong drought resistance, moderate drought resistance and weak drought resistance, according to the variation rates of the related parameters.

Key words: E. repens (L) Nevski, E. intermediaa (Host) Nevski, Seedling stage, Drought resistance, Identification

CLC Number:

ZHANG Guo-fang, MENG Lin, MAO Pei-chun. Study on the Identification of the Drought Resistance of Elytrigia repens and E. intermedia at Seedling Stage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(3): 54-59. doi: 10.3321/j.issn:1000-7091.2007.03.013.

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