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Responses of fruit quality,leaf protective enzyme systems of tomato to soil water and fertilization
Authors
朱艳丽
林兴军
+4 more
梁银丽
白彩虹
罗安荣
郝旺林
Publication date
1 January 2011
Publisher
Abstract
通过3个土壤相对含水量(W1,50%~60%;W2,70%~80%;W3,90%~100%)和3个施肥水平(F1,N0.187 g/kg+P2O50.131 g/kg;F2,N0.267g/kg+P2O50.187 g/kg;F3,N0.347 g/kg+P2O50.243 g/kg)共9个处理的盆栽试验,研究了番茄结果期果实品质、叶片保护酶及叶绿素含量的变化规律,旨在为番茄结果期合理的水肥管理提供理论依据。结果表明:在整个结果期,W1F2处理有利于提高果实品质;W2F2处理下果实中的渗透物质(游离氨基酸)保持着较高水平,且叶片保护酶活性较高,丙二醛含量低;W2F3处理的叶片叶绿素含量保持较高水平,W2F2处理番茄果实单株产量高。相关分析表明:果实品质与超氧化物歧化酶、叶绿素含量呈正相关,而与丙二醛含量呈负相关;游离氨基酸含量与过氧化物酶活性、脯氨酸含量呈显著正相关,而与丙二醛含量呈显著负相关。综合分析,番茄结果期较优的水肥组合为N0.267g/kg+P2O50.187g/kg和70%~80%的土壤相对含水量
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018