Research on screening indices of low-potassium tolerance genotypes in banana[J]. Guangdong Agricultural Sciences, 2015, 42(4): 117-122.
    Citation: Research on screening indices of low-potassium tolerance genotypes in banana[J]. Guangdong Agricultural Sciences, 2015, 42(4): 117-122.

    Research on screening indices of low-potassium tolerance genotypes in banana

    • The suitable screening indices of low -potassium tolerance genotypes in banana were studied bydeterming genotypic differences in dry matter and associated traits at the seedling stage in sand culture andpotassium-deficient sandy soi (95.2 mg/kg) cwtrue. Correlation analysis showed that the shoot relative dry weight,shoot K absorption amount and shoot K utilization index were highly significantly correlated with shoot absolute dryweight under the K-deficient media. The shoot relative dry weight, shoot absolute dry weight and shoot K utilizationindex were significantly correlated with the field yield in a potassium-deficient sandy soi. These results suggestedthat it would be an effective method to use the shoot relative dry weight, shoot dry weight, shoot K absorptionamount and shoot K utilization index in banana hydroponic sand culture experiment with The suitable screening indices of low -potassium tolerance genotypes in banana were studied bydeterming genotypic differences in dry matter and associated traits at the seedling stage in sand culture andpotassium-deficient sandy soi (95.2 mg/kg) cwtrue. Correlation analysis showed that the shoot relative dry weight,shoot K absorption amount and shoot K utilization index were highly significantly correlated with shoot absolute dryweight under the K-deficient media. The shoot relative dry weight, shoot absolute dry weight and shoot K utilizationindex were significantly correlated with the field yield in a potassium-deficient sandy soi. These results suggestedthat it would be an effective method to use the shoot relative dry weight, shoot dry weight, shoot K absorptionamount and shoot K utilization index in banana hydroponic sand culture experiment with different potassiumtreatments as selection indicators.The suitable screening indices of low -potassium tolerance genotypes in banana were studied bydeterming genotypic differences in dry matter and associated traits at the seedling stage in sand culture.potassium-deficient sandy soi (95.2 mg/kg) cwtrue. Correlation analysis showed that the shoot relative dry weight,shoot K absorption amount and shoot K utilization index were highly significantly correlated with shoot absolute dryweight under the K-deficient media. The shoot relative dry weight, shoot absolute dry weight and shoot K utilizationindex were significantly correlated with the field yield in a potassium-deficient sandy soi. These results suggestedthat it would be an effective method to use the shoot relative dry weight, shoot dry weight, shoot K absorptionamount and shoot K utilization index in banana hydroponic sand culture experiment with different potassiumtreatments as selection indicators.different potassium treatments as selection indicators.
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