TY  - JOUR
T1  - The Variability of the Predominant Culturable Plant Growth-Promoting Rhizobacterial Diversity in the Acidic Tea Rhizosphere Soils in the Eastern Black Sea Region
AU  - Çakmakçı, Ramazan
PY  - 2019
DA  - December
Y2  - 2019
DO  - 10.28955/alinterizbd.639020
JF  - Alinteri Journal of Agriculture Science
PB  - Adem Yavuz SÖNMEZ
WT  - DergiPark
SN  - 2564-7814
SP  - 175
EP  - 181
VL  - 34
IS  - 2
LA  - en
AB  - The purpose of thisstudy was to investigate the diversity of cultivable nitrogen fixing, phosphatesolubilising and total bacteria originated from 580 rhizospheric acidicsoils samples of tea plants grown at 62locations. Based on FAME profiles ofover 1428 rhizoplane bacteria, 63 bacterial genera were identified with a similarity index > 0.3, but 56.4% ofthe identified isolates belonged to six genera: Bacillus (37.02%), Pseudomonas (12.67%), Stenotrophomonas (5.71%), Paenibacillus (6.58%), Arthrobacter (4.35%) and Brevibacillus (3.98%). Most of the total,N2-fixing and P-solubilizingbacteria isolated were Gram positive (59.9, 58.8 and 56.3%) and Gram negativeconstituted only 40.1, 41.2 and 43.7%. Among different groups, Firmicutes, Gammaproteobacteria and Actinobacteriacomprised the largest groups contributing to about 50.3 and 46.6%, 30.8 and32.5%, and 8.3 and 9.6% of the total N2-fixing and P-solubilizing isolates, respectively. B. cereus, P. fluorescens, B. megaterium, S. maltophilia,P. putida, B. licheniformis, B.pumilus, B. subtilis and P. polymyxa were the most frequent N2-fixingand P-solubilizing species in the acidic tea rhizosohere soils. In thesestudies were evaluated to represent the dominant culturable diversity ofdiazotrophs and phosphobacteria, and thus potentially beneficial to the growthand survival of tea plants in that specific acidic ecosystem of eastern BlackSea region.
KW  - Acid tolerant strains
KW  - acidic soils
KW  - biodiversity
KW  - Camellia sinensis
KW  - FAME analysis
KW  - phosphate solubilizing bacteria
KW  - nitrogen fixing bacteria
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UR  - https://doi.org/10.28955/alinterizbd.639020
L1  - https://dergipark.org.tr/en/download/article-file/841881
ER  -