赵卫星;徐小利;刘喜存;常高正;李晓慧;梁慎;

• 1:河南农业科学院园艺研究所
• 2:新乡市农业科学院

摘要(Abstract)：

【目的】为探明不同肥水耦合方式在西瓜上的应用效果。【方法】以西瓜‘黑帝’为试材,测定分析了不同肥水耦合条件下西瓜光合特性、硝酸还原酶、过氧化物酶及产量和品质。【结果】在总灌水量和施肥量相同的条件下,不同测定时期硝酸还原酶和过氧化物酶活性随灌水次数的变化而不同,伸蔓期其活性随灌水次数的减少先上升后下降,灌水2次的处理达到最高,膨瓜期其活性随灌水次数的减少逐渐上升;随灌水次数的减少,西瓜叶片的光合速率、水分利用率和产量呈先上后下的趋势,处理T3达到最高值,且显著高于其他处理。各个处理间可溶性固形物和维生素C含量差异不显著。【结论】处理T3的肥水耦合方式可起到以水调肥的协同作用,具有一定的应用价值。

关键词(KeyWords)： 西瓜;肥水耦合;生长;产量;品质

Abstract:

Keywords:

基金项目(Foundation): 国家农业科技成果转化项目(2011GB2D000004);; 国家西甜瓜产业技术体系建设项目(CARS-26)

作者(Author): 赵卫星;徐小利;刘喜存;常高正;李晓慧;梁慎;

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