The Relationship Between the Waterlogging Resistance and the Genotypes and the Vigor of Root System in Sesame (Sesamum indicum L.)

doi:10.3321/j.issn:1000-7091.1993.03.015

Abstract

Abstract: Close relationship between the resistant ability of waterlogging and the genotypes and the vigor of root system were found in an induced field trial for 2 years.The wild species were strongly resistant to waterlogging.Some improved cultivars (strains) and some native varieties from low-lying land and places with high humidity also expressed high waterlogging resistance.This reflected the hereditary background of these germplasms.16 varieties such as Yuzhi No.1, Henan No.1, Yiyang Bai etc.can meet the demand of present breeding objectives.The amount of bleeding sap and the dimension of root system, used as the expression of root system vigor, arc important biological indices in evaluating the resistant ability of waterlogging in sesame, and possess significance in theoretical and practical research.

Key words: Sesame, Walcrlogging rcsislancc, Genotype, Root system vigor

Liu Jiarong, Tu Lichuan, Xu Ruqiang, Zheng Yongzhan. The Relationship Between the Waterlogging Resistance and the Genotypes and the Vigor of Root System in Sesame (Sesamum indicum L.)[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1993, 8(3): 82-86. doi: 10.3321/j.issn:1000-7091.1993.03.015.

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