印度梨形孢及其近似种Sebacina vermifera促进番茄生长发育及磷吸收  

Piriformospora indica and its related species Sebacina vermifera promote growth and development and phosphorus nutrition in tomato

作　　者：王凤让[1] 毛克克[1] 李国钧[1] 吴铖铖[1] 张慧娟[1] 李大勇[1] 宋凤鸣[1] 

机构地区：[1]浙江大学农业与生物技术学院生物技术研究所,浙江杭州310029

出　　处：《浙江大学学报（农业与生命科学版）》2011年第1期61-68,共8页Journal of Zhejiang University:Agriculture and Life Sciences

基　　金：国家科技支撑计划子课题资助项目(2008BADA6B06);浙江省自然科学基金资助项目(Z3080065)

摘　　要：研究印度梨形孢(Piriformospora indica)及其近似种Sebacina vermifera在番茄上的定殖以及在不同磷水平下对番茄生长发育的影响.结果表明:P.indica和S.vermifera都能够在番茄根系中定殖,并能促进番茄侧根形成,促进植株生长并提高果实产量;在正常供磷和低磷条件下,P.indica和S.vermifera促进番茄对磷的吸收,增加植株内磷含量,提高植株对低磷逆境的抵抗能力.说明P.indica和S.vermifera可以作为一种植物生长促进因子和低磷土壤改良因子,具有较高的商业开发前景.The colonization of Piriformospora indica and Sebacina vermifera in roots of tomato plants was examined and their effects on growth and development of tomato plants were studied under normal and phosphorus deficit stress conditions.The results showed that both P.indica and S.vermifera could colonize the epidermal and root hair cells of tomato roots.The colonization of P.indica and S.vermifera promoted vegetable growth and fruit development and increased lateral roots of tomato plants.P.indica and S.vermifera facilitated Pi uptake and increased total Pi contents in tomato plants under normal and low Pi conditions,and improved growth performance of tomato plants under low Pi condition.It is indicated that both P.indica and S.vermifera can be developed to improve growth and development as well as Pi nutrition in crop plants.

关 键 词：内生真菌 印度梨形孢 Sebacina vermifera 生长发育 磷营养 番茄 

分 类 号：S641.2[农业科学—蔬菜学]