Assessment of Rhizobial and Phosphobacteria biofertilizer to overcome the moisture stress in the Vigna mungo
2015
A, Bharathi (Department of Microbiology, Dhanalakshmi Srinivasan College of Arts and Science for Women Perambalur-621212, Tamilnadu, India) | M, Buvaneswri (Department of Microbiology, Dhanalakshmi Srinivasan College of Arts and Science for Women Perambalur-621212, Tamilnadu, India)
This study was undertaken to evaluate the property of Rhizobium and Phosphobacterial biofertilizer in inducing tolerance towards moisture stress. With this objective, the study was conceived by taking up pot culture studies using a mixed culture of biofertilizers (Rhizobium of pulses), phosphobacteria and silicate solubilizing bacteria. The crop plant taken for this study was Blackgram. The plant Blackgram overcomes the moisture stress by the presence of disaccharide sugar trehalose in the rhizobial cells. The other important factor was the nutrient potassium which is dissolved by silicate solubilizing culture releasing more of potassium in the soil. The increase in potassium content is directly proportional to moisture stress. Both of these enhanced the longevity of plants for few days.
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