土壤未灭菌条件下丛枝菌根对枳实生苗生长和抗旱性的影响Effects of Arbuscular Mycorrhizal on Growth and Drought Tolerance of Trifoliate (Poncirus trifoliate) Under Non-sterilized Soil Conditions
吴强盛,夏仁学,胡利明
摘要(Abstract):
在温室盆栽土壤未灭菌条件下,以枳实生苗[Poncirus trifoliate(L.)Raf.]为试材,研究水分胁迫下丛枝菌根真菌Glomus mosseae对其生长、可溶性糖含量、水分利用效率和制造1 g干物质用水量的影响。结果表明,在正常水分和水分胁迫条件下,丛枝菌根增加或显著增加枳实生苗的生长量,显著或极显著地提高植株的水分利用效率和叶片、根系内的可溶性糖含量,菌根和水分交互影响根系可溶性糖含量,显著降低制造1 g干物质用水量,节约用水28.4%-31.1%,增强了枳实生苗的抗旱性。
关键词(KeyWords): 丛枝菌根;枳;生长;水分胁迫;抗旱性
基金项目(Foundation): 国家科技部科技促进三峡移民开发专项资助(S200110)。
作者(Author): 吴强盛,夏仁学,胡利明
DOI: 10.13925/j.cnki.gsxb.2004.04.008
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