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ISOLATION & RHIZOBIUM FROM SESBANIA PLANT MENT ASSESS AND ITS IMPACT ON SOME GROWTH INDICATORS | ||
| IRAQI JOURNAL OF DESERT STUDIES | ||
| Article 1, Volume 7, Issue 1, 2017, Pages 1-7 PDF (1.11 M) | ||
| DOI: 10.36531/ijds.2017.141164 | ||
| Author | ||
| Hayder Ragheb AL-shujeary | ||
| Abstract | ||
| Two trials carried out at one laboratory and، second in field to study the activity of bacteria Rhizobium under the influence of variations of soil salinity on the growth of the plant Sesbania led the results of bacterial inoculation to an increase in the rate of plant height and the rate of dry weight and the number of formed on the roots of the plant Alcspan root ganglia and increase the readiness of the elements in the soil, especially nitrogen component. Results showed the superiority of the fertilized transactions for non-vaccinated transactions F1 and F2 in the nitrogen content in plant leaves Sesbania, with 3.042 and 2.785% recorded in the order and the results show that the vaccination a major role in increasing the number of effective root nodules formed on the roots of the plant, as was the number of nodes rate effective root formed on the inoculated plants F1,33.73 radical knots. -1 Plant, while the plants that did not add to it the vaccine F2 was 21.40 knots drastic effective. Plant -1. Showed laboratory tests for salinity there is clearly down in the preparation of bacteria Alraazoubia rate the higher the levels of salinity (EC), reaching the highest rate of the number of bacteria at the EC 2.19 dS.m-1 172 bacterial colony while the lowest number of bacteria is 6 colony when the salt level ( EC) dS.m-1 40 have attributed the decline in the number of bacteria increased salt levels to the direct effect of salinity and increased NaCl concentration increasing salinity. Increased concentrations of salt in the soil to reduce the activity Rhizobium and reduce the readiness of the elements and dry weight and the number of active root nodules formed on the plant Sesbania and the concentration of nitrogen, phosphorus and iron in the leaves and seeds. | ||
| Keywords | ||
| Key Words; Sesbania; Rhizobium; salinity; Bio; fertilization | ||
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