Primary Study on the Vigour Index of Drought Resistance as the Appraise Index in Corn Germination Stage

doi:10.3321/j.issn:1000-7091.2007.01.006

Abstract

Abstract: Vigor index of drought resistance which was used as the index in this study was put forward firstly. Drought resistance of eighteen maize varieties was conducted through adopting PEG solution simulating soil drought treatment. The results showed that: There was a significant correlation between the vigor index of drought resistance and sprout index of drought resistance. The vigor index of drought resistance could better reflect the differences among different maize seedling varieties under water stress and could be used as a filtrating method appraising drought resistance in maize germination stage.

Key words: Maize, Water stress, Germination stage, Vigor index of drought resisting, Sprout index of drought resisting

CLC Number:

S513.01

ZHANG Jian, CHI Bao-liang, HUANG Xue-fang, ZHANG Dong-mei, GUO Zhi-hua. Primary Study on the Vigour Index of Drought Resistance as the Appraise Index in Corn Germination Stage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(1): 22-25. doi: 10.3321/j.issn:1000-7091.2007.01.006.

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