Mycorrhizal diversity of stevia (Stevia rebaudiana Bertoni) rhizosphere in Tawangmangu, Indonesia

International Conference on Climate Change: Challenges and Opportunity on Environment Degradation Researches

地球科学;生态环境科学

Astuti, D.Y.^1,2 ; Parjanto^1 ; Cahyani, V.R.^1

Graduate School, Sebelas Maret University, Jl Ir Sutami 36A, Kentingan, Surakarta Central Java

57126, Indonesia^1

Directorate General of Plantations, Ministry of Agriculture, Republic of Indonesia, Jl. Harsono RM 3 (building C) Ragunan, South Jakarta

12550, Indonesia^2

关键词: Ecosystem functions;    Mutualistic symbiosis;    Mycorrhizal fungus;    P availabilities;    Plant productivity;    Plant roots;    Soil types;    Stevia rebaudiana bertoni;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/129/1/012007/pdf
DOI  :  10.1088/1755-1315/129/1/012007

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Mycorrhizal fungi is a group of soil fungi with mutualistic symbiosis between fungi and plant roots. The diversity on mycorrhiza contributes the maintenance of plant biodiversity, ecosystem function, and plant productivity. Climate change may affects the distribution and diversity of mycorrhizal fungi, and thus the study on mycorrhizal diversity is important to develop the information about mycorrhizal function and utilization. The present study investigated mycorrhizal diversity in the rhizosphere of stevia at four locations in different altitudes and soil types. The samples taken from Tlogodlingo (Andisols 1), Kalisoro (Andisols 2), Nglurah (Alfisols 1) and Ledoksari (Alfisols 2) in Tawangmangu, Karanganyar, Central Java, Indonesia. The result showed that Glomus sp. and Acaulospora sp. were the common genus found at all locations, whereas Gigaspora sp. was the only species found in the acidic Alfisol soil. Statistical analysis indicated that altitude, soil pH, and P availability significantly positively correlated with mycorrhizal spore density. The increase of altitude, soil pH and P availability, also increase the mycorrhizal spore density. Mycorrhizal infectivity negatively correlated with C/N ratio.