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अमूर्त
Responses of Biochemical Traits in un-or Mycorrhizal T. vogelii Hook F. Under Drought Stress at an Early Growth Phase
Esaïe TSOATA, siméon Raphaël Njock, Youmbi Emmanuel, Dieudonné Nwaga
This work was carried out on un-or mycorrhizal Tephrosia vogelii, at an early growth phase, to study responses of biochemical traits under drought stress. A completely randomized blocks design was used and the various levels of water stress were adjusted daily by moisten each pot with the amount of water loss by transpiration. The various parameters measured were: total amino acid content and proline; total soluble sugar content; total soluble proteins content and acid phosphatases specific activity. The results obtained show that, under water stress conditions, mycorhization significantly improves all the parameters studied. The improvement of water status, nutritional status and water stress tolerance by mycorhization, provided to the plant a normal functioning and better yield where water is scare. On the basis of these results, we can advise mycorrhizal biofertilizers like sure means to fight against drought and to increase agricultural yield on grounds victims of the dryness.