富氢水岩棉培对樱桃番茄耐盐性及产量品质的影响

摘要/Abstract

摘要： 本研究以樱桃番茄为试验材料,采用富氢水(Hydrogen-rich water,HRW)灌根的方法,分析HRW处理对硝酸钙[Ca(NO₃)₂]高盐胁迫条件下樱桃番茄耐盐性及生长情况的影响。结果表明,HRW处理明显降低了叶片丙二醛(MDA)含量,显著提高了叶片和根部的超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、过氧化物酶(POD)、脯氨酸(Pro)和抗坏血酸过氧化物酶(APX)的含量,说明Ca(NO₃)₂高盐胁迫下,HRW处理可明显降低植株体内MDA含量,维持细胞膜的稳定性,并通过提高SOD、CAT、POD等抗氧化酶活性来减缓高盐对细胞膜结构和功能的破坏,提高其耐盐能力,从而使樱桃番茄的产量和品质也得到明显提高。由此可见,HRW处理可有效缓解樱桃番茄无土栽培Ca(NO₃)₂次生盐渍化问题。

关键词: 樱桃番茄, 富氢水, 高盐胁迫, 抗氧化酶活性, 产量, 品质

李湘妮, 张晶, 刘诗华, 伍倩慧, 王怡玫, 司雨, 单既亮. 富氢水岩棉培对樱桃番茄耐盐性及产量品质的影响[J]. 农业科技通讯, 2022, 0(12): 154-157.

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