tailieunhanh - Impact of pink pigmented facultative methylotroph and pgrs on water status, photosynthesis, proline and NR activity in tomato under drought

The study indicated that the PPFM and PGRs could be effectively improving drought tolerance capacity of tomato crop under drought. Among the PGRs and different concentrations of PPFM used, PPFM (2%) was found to superior in improving RWC, photosynthetic rate, SPAD value and proline content. The anti oxidant enzyme, catalase activity was enhanced by PPFM (2%) and salicylic acid (100 ppm) treatments which has the ability to protect the plant under abiotic stress by nullifying oxidative damage. Foliar spray of salicylic acid (100 ppm) was found effective in improving the NR activity followed by 2 per cent PPFM. The soluble protein content was maintained by brassinolide followed by PPFM (2%) under drought. |

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