文献类型：期刊文献

英文题名：Effect of inoculation with arbuscular mycorrhizal fungi on growth of Catalpa bungei

作者：Meng, Panpan[1] Chen, Wei[1] Feng, Huan[1] Zhang, Shouxia[1] Wang, Junhui[2] Ma, Wenjun[2] Yang, Guijuan[2] Wang, Chunyan[1]

第一作者：Meng, Panpan

通信作者：Wang, CY[1]

机构：[1]Northwest A&F Univ, Coll Forestry, Yangling 712100, Shaanxi, Peoples R China;[2]Chinese Acad Forestry, State Key Lab Tree Genet & Breeding, Res Inst Forestry, Key Lab Tree Breeding & Cultivat State Forestry A, Beijing 100091, Peoples R China

年份：2022

卷号：52

外文期刊名：NEW ZEALAND JOURNAL OF FORESTRY SCIENCE

收录：;EI(收录号：20221511948650);Scopus(收录号：2-s2.0-85127762250);WOS:【SCI-EXPANDED(收录号:WOS:000761505500001)】；

基金：This research was supported by the National Key R&D Program of China (2017YFD0600604).

语种：英文

外文关键词：Rhizophagus intraradices; seedling production; transplant survival; growth performance; soil micro-aggregates

摘要：Background: Catalpa bungei is a well-known, valuable, ornamental, high-quality timber tree traditionally cultivated in China because of its excellent quality, decay resistance, wide applicability, and attractive form. The aim of this study was to evaluate the effects of inoculation with arbuscular mycorrhizal fungus (AMF) on the transplant survival rate and growth of C. bungei seedlings under greenhouse conditions. Methods: Two treatments were applied in a completely randomised experimental design: inoculation with Rhizophagus intraradices, and, as a control, soil without inoculum. Results: Four months after inoculation, AMF had colonised 76.05% of plant roots and significantly improved plant growth. With the establishment of the symbiotic relationship, AMF inoculation significantly improved the seedling transplant survival rate by 20%, promoted major growth traits (plant height, basal diameter, leaf area, and specific leaf area), accelerated biomass accumulation (roots, stems, and leaves), and changed the biomass allocation patterns. In addition, compared with non-inoculated treatments, inoculation with AMF increased photosynthetic parameters and chlorophyll contents, elevated major root morphological parameters, changed the proportion of particle sizes of soil micro-aggregates, and promoted the accumulation of nutrients in roots and leaves. Conclusions: The effects on transplant survival, growth and development were more pronounced in C. bungei seedlings inoculated with R. intraradices. Mycorrhizal seedlings of C. bungei can therefore be widely applied in plant transplantation and production practices.