文章基本信息

标题：Aqueous ozone in the root zone: Friend or foe?
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作者：Thomas Graham ; Ping Zhang ; Michael Dixon 等
期刊名称：Journal of Horticulture and Forestry
电子版ISSN：2006-9782
出版年度：2011
卷号：3
期号：2
页码：58-62
语种：English
出版社：Academic Journals
摘要：Aqueous ozone (O3(aq)) solutions were applied to the rockwool substrate of hydroponically cultured tomato and cucumber plants. Single applications of high concentration solutions (0, 5, 10, 15, 20 mg/L), as well as repeated application of lower concentration solutions (0, 2, 4, 6 mg/L), had no impact on leaf area and shoot dry weight accumulation. Repeated O3(aq) applications were also applied to cucumber plants inoculated with Pythium aphanidermatum. Pathogen levels were significantly reduced in all treatments containing O3(aq). The reduction in pathogen numbers did not necessarily affect plant productivity.
关键词：Pythium aphanidermatum;irrigation water reuse;oxygenation;tomato;cucumber;rockwool;hydroponics;phytotoxicity