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首页> 外文期刊>Science and Culture >Screening of Phosphate Solubilising Bacteria Isolated from Tea Soil of Brahmaputra Valley Showing Antagonism Against Fomes lamoensis and Ustulina zonata
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Screening of Phosphate Solubilising Bacteria Isolated from Tea Soil of Brahmaputra Valley Showing Antagonism Against Fomes lamoensis and Ustulina zonata

机译：雅鲁藏布江茶园土壤中解磷细菌的拮抗作用

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A total of 12 phosphate solubilising bacteria were isolated from top soil sample of 17 tea gardens of three different tea growing regions of Brahmaputra valley. The soil samples were collected from rehabilitated, non- rehabilitated , and virgin sections from each 15 tea gardens and from other two tea gardens, soils were taken from disease infested and Non-Infested areas. All the isolated phosphate solubilising bacteria, showed marked clearing zone and were evaluated for their antagonistic activities against two primary root disease causing pathogen of tea , Fomes lamoensis(Causing Brown root rot) and Ustulina zonata (Causing Charcoal stump rot). Against Ustulina zonata MM/PH/KMP , MM/PH/BST MM/ PH/DLJB-1, MM/PH/DLJB-2 and MM/PH/TY and Against Fomes lamoensis MM/PH/KMP , MM/PH/BST MM/PH/DLJB-1 and MM/PH/DLJB-2 showed more than 35% inhibition. Among them two strains MM/PH/KMP and MM/PH/BST were found to inhibit the pathogens more than 55% under study in invitro condition. Physiological study was also conducted for the two most potential antagonist, to see the effect of different pH,carbon and nitrogen sources .
机译：从Brahmaputra山谷三个不同茶种植区的17个茶园的表层土壤样品中，总共分离出12种磷酸盐增溶细菌。从每个15个茶园和其他两个茶园的恢复原状，未恢复原状和原始切片中收集土壤样品，从病虫害和非病虫害地区采集土壤。所有分离出的磷酸盐增溶细菌均显示出明显的清除区，并评估了它们对引起茶的病原体Fomos lamoensis（引起褐根腐烂）和Ustulina zonata（引起木炭腐烂）两种病原菌的拮抗活性。对抗松毛线虫MM / PH / KMP，MM / PH / BST MM / PH / DLJB-1，MM / PH / DLJB-2和MM / PH / TY以及对抗Lamoensis Fomms lamoensis MM / PH / KMP，MM / PH / BST MM / PH / DLJB-1和MM / PH / DLJB-2显示超过35％的抑制作用。在体外条件下的研究中，发现其中的两种菌株MM / PH / KMP和MM / PH / BST抑制病原体超过55％。还对这两种最有潜力的拮抗剂进行了生理研究，以观察不同pH，碳和氮源的影响。

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