Integration and Potential Application Ability of Culturable Functional Microorganism in Oil Tea Camellia
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Integration and Potential Application Ability of Culturable Functional Microorganism in Oil Tea Camellia Caixia Liu1,2,3 • Longsheng Chen1,2 • Zhilong He1,2 • Zhen Zhang1,2 • Yanming Xu1,2 • Zhigang Li1,2 • Yinghe Peng1,2 • Nan Deng1 • Yongzhong Chen1,2
Received: 8 April 2020 / Accepted: 18 August 2020 Ó Association of Microbiologists of India 2020
Abstract Oil tea Camellia is a major woody oil plant, which has a positive influence on alleviating the contradiction between supply and demand of edible oil in China. Microbial fertilizer for Oil tea Camellia is urgently needed in current production, and it is of great significance to improve the yield and quality. Culturable functional microorganisms are the basis of research and development for microbial fertilizer. In this study, culturable microorganisms which had abilities of antagonism, growth promotion, phosphorus solubility, nitrogen fixation and drought resistance, were integrated from oil tea literature. And the strains potential application ability were evaluated in terms of functionality, safety and adaptability, culture characteristics, suitable conditions and colonization or infection ability of strains. The results showed that the strains with strongest antagonistic ability were Bacillus amyloliquefaciens D2WM and Bacillus subtilis Y13. Beauveria bassiana BbTK-01 and Metarhizium anisopliae FJMa201101 had the strongest insect resistant ability. Glomus versiforme and Glomus intraradices can promote oil tea fastest growth. Phosphorus dissolving ability of
Caixia Liu and Longsheng Chen have contributed equally to this work. & Nan Deng [email protected] & Yongzhong Chen [email protected] 1
Hunan Academy of Forestry, Changsha 410004, China
2
National Engineering Research Center for Oil-tea Camellia, Changsha 410004, China
3
Central South University of Forestry and Technology, Changsha 410004, China
Bacillus aryabhattai NC285 and Burkholderia cepacia 6-Y-09 were strongest. The strains with strongest Nitrogen fixing ability were Azomonas N7-3 and Sphingobium B7-7, and the strains with strongest improving drought resistance ability were Glomus versiforme and Glomus intraradices. Comprehensive evaluation of strains showed that Bacillus subtilis Y13 and Azomonas N7-3 had a good applied potential ability. This study would save time-consuming of isolate, purify and identify repetitively for the researchers of functional bacteria of oil tea Camellia. Meanwhile it provides a research basis for selecting targeted strains and constructing the combination of functional strains, therefore provides data support for fertilizer efficiency. Keywords Oil tea Camellia Culturable microorganism Application ability
Introduction Oil tea Camellia is a kind of plant with high oil content in Theaceae, and it is one of the most important woody oil tree in China [1, 2]. Oil tea is evergreen all the year round, which can conserve the water, beautify the environment and improve carbon sink. More importantly, it has high economic value which is an effectiv
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