Year: 2013 | Month: June | volume 6 | Issue 2
Screening of Endophytic Bacterial Isolates of Tea (Camellia sinensis L.) Roots for their Multiple Plant Growth Promoting Activities
Abstract: A total of eighteen endophytic bacterial isolates from tea roots were screened for their multiple plant growth promoting activities including indole acetic acid production (IAA) production, phosphate solubilization, ammonia production and siderophore production. All the isolates subjected for characterization were IAA producers Production of IAA was found to be remarkable in ER7 (10.45 µg/ml), ER14 (11.80 µg/ml), ER15 (11.40 µg/ml) and ER17 (16.22µg/ml). Among the isolates, seven were siderophore producers, five were phosphate solubilizers and twelve were found to be ammonia producers. Proper implementation of these plant growth promoting endophytic bacteria will open a new area in organic tea cultivation.
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