Genotypic differences in bicarbonate‐induced iron chlorosis in sunflower
作者： E. Alcántara , F.J. Romera , M.D. de la Guardia
DOI: 10.1080/01904168809363785
关键词: Response Variability 、 Sunflower 、 Nutrient solution 、 Chemical composition 、 Chlorosis 、 Botany 、 Chlorophyll 、 Helianthus annuus 、 Biology 、 Horticulture 、 Bicarbonate
摘要: Abstract Six sunflower (Helianthus annuus L.) lines were grown in nutrient solution to characterize their sensitivity bicarbonate‐induced Fe chlorosis. Sensitivity was evaluated by chlorosis score and growth reduction relative the control without added bicarbonate. Chlorosis inversely correlated chlorophyll concentrations uppermost leaves. This technique seems valuable for determining genotypic differences Fe‐induced sunflower. Bicarbonate treatment resulted an increase Ca, Mg, K Mn a decrease P In roots, bicarbonate concentrations. Some of effects on these elemental compositions related degree
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