Effectiveness of the bacterial biofertilizer (Azotobacter), Gibberellic ac-id and kinetin solution in metabolic some the physiological processes of Psidium guajva L. seedlings
Keywords:Guava, Azotobacter, Gibberellic acid and Kinetn
The experiment was carried out in the College of Agriculture - University of Karbala at the beginning of September of the year 2022 according to a randomized complete block design to study the effect of the bacterial biofertilizer Azotobacter and a solution of gibberellic acid (0, 150 and 300 mg. L-1), and kinetin (0, 25 and 50 mg. L-1) in changes of metabolic some physiological processes of Psidium guajava L. seedlings. The results showed that the single effect of the Azotobacter was superior in all studied characteristics, except for the relative moisture content compared to the control treatment, as for the gibberellic acid solution, the concentration (300 mg.L-1) was superior by giving it the highest significant increase in all studied traits except for the relative moisture content compared control treatment, while the treatment of seeds with chitin solution excelled, and the concentration (50 mg.L-1) recorded the highest significant difference in all studied traits except for the characteristic of the degree of stability of cell membranes.
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