亚热带植物科学2016，Vol.45Issue(3)：216-220,5.DOI:10.3969/j.issn.1009-7791.2016.03.004
丛枝菌根真菌、磷和生长素对枳侧根形成的调控效应
Regulative Effects of Arbuscular Mycorrhizal Fungus, P and Auxin on the Lateral Root Formation of Poncirus trifoliata
摘要
Abstract
To explore the influence of arbuscular mycorrhizal fungus (AMF), P level and auxin on plant lateral root (LR) formation, AMF strain (Rhizophagus irregularis BGC JX04B) was inoculated to Poncirus trifoliata seedlings at two P levels, which was applied with IBA, TIBA and water as control, and the regulative effects of AMF, P level and auxin on LR formation of trifoliate orange were investigated. The results showed that AMF did not significantly affect the plant biomass and LR number, but significantly decreased the 1st order LR length. P level did not significantly affect the plant biomass, LR number and length. TIBA significantly decreased the plant biomass, LR number and length, while IBA did not significantly influence these parameters. AMF and auxin showed significant interaction on the primary root length, and AMF, P level and auxin showed significant interaction on the 2nd and 3rd order LR number. These data suggested that auxin signaling pathway could be involved in the regulation of AMF and P level on LR formation, and the auxin transportation should be the key factor in LR formation of trifoliate orange.关键词
丛枝菌根真菌/磷水平/生长素/侧根形成/枳Key words
AMF/P level/auxin/lateral root formation/Poncirus trifoliata分类
农业科技引用本文复制引用
许朋阳,陈伟立,朱红惠,李娟,陈杰忠,姚青..丛枝菌根真菌、磷和生长素对枳侧根形成的调控效应[J].亚热带植物科学,2016,45(3):216-220,5.基金项目
国家自然科学(31270448)；广东省高等学校人才引进专项(粤财教[2013]246号) （31270448）
