Plant Soil Environ., 2018, 64(6):283-289 | DOI: 10.17221/126/2018-PSE

Mycorrhiza-induced changes in root growth and nutrient absorption of tea plantsOriginal Paper

Ya-Dong SHAO1, De-Jian ZHANG1, Xian-Chun HU1, Qiang-Sheng WU*,1,2,3, Chang-Jun JIANG*,2, Ting-Jun XIA4, Xiu-Bing GAO5, Kamil KUČA3
1 College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, P.R. China
2 State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, Anhui, P.R. China
3 Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czech Republic
4 Hubei Ecology Polytechnic College, Wuhan, Hubei, P.R. China
5 Tea Research Institute, Guizhou Province Academy of Agricultural Science, Guiyang,

Tea plants grown in acidic soils are strongly dependent on arbuscular mycorrhizas, whereas it is not clear whether soil arbuscular mycorrhizal fungi (AMF) improve plant growth, root development, and nutrient absorption in tea plants. A potted study was conducted to determine the effects of Claroideoglomus etunicatum, Diversispora spurca, D. versiformis and a mixture of the three AMF species on plant growth, root morphology, root-hair growth, and leaf nutrient status in Camellia sinensis cv. Fuding Dabaicha in Jingzhou, China. After 12 weeks of AMF inoculation, root mycorrhizal colonization ranged from 15.12% to 40.23%. AMF inoculation heavily increased plant height, shoot and root biomass, and total leaf area, whilst the increased effect was ranked as C. etunicatum > D. spurca > mixed-AMF > D. versiformis in the decreasing order. Mycorrhizal inoculation also considerably increased total root length and volume, whereas obviously inhibited root-hair length and number, in company with an increment in root-hair diameter. Leaf N, P, K, Ca, Mg, Zn, and Mn contents were significantly higher in AMF-inoculated plants than in non-AMF-inoculated plants, regardless of AMF species. It concludes that AMF inoculation had positive effects on plant growth performance, root morphology, and leaf nutrient levels in cv. Fuding Dabaicha seedlings, whilst C. etunicatum performed the best effects.

Keywords: root hair; soil microorganism; symbiotic fungi; white tea

Published: June 30, 2018  Show citation

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SHAO Y, ZHANG D, HU X, WU Q, JIANG C, XIA T, et al.. Mycorrhiza-induced changes in root growth and nutrient absorption of tea plants. Plant Soil Environ.. 2018;64(6):283-289. doi: 10.17221/126/2018-PSE.
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