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El-Howeity, M., Abdel-Gawad, S. (2017). RESPONSE OF SOYBEAN PLANTS TO INOCULATION WITH RHIZOBIA AND CYANOBACTERIA. Menoufia Journal of Soil Science, 2(2), 135-144. doi: 10.21608/mjss.2017.176042
M. A. El-Howeity; Sh. A. Abdel-Gawad. "RESPONSE OF SOYBEAN PLANTS TO INOCULATION WITH RHIZOBIA AND CYANOBACTERIA". Menoufia Journal of Soil Science, 2, 2, 2017, 135-144. doi: 10.21608/mjss.2017.176042
El-Howeity, M., Abdel-Gawad, S. (2017). 'RESPONSE OF SOYBEAN PLANTS TO INOCULATION WITH RHIZOBIA AND CYANOBACTERIA', Menoufia Journal of Soil Science, 2(2), pp. 135-144. doi: 10.21608/mjss.2017.176042
El-Howeity, M., Abdel-Gawad, S. RESPONSE OF SOYBEAN PLANTS TO INOCULATION WITH RHIZOBIA AND CYANOBACTERIA. Menoufia Journal of Soil Science, 2017; 2(2): 135-144. doi: 10.21608/mjss.2017.176042

RESPONSE OF SOYBEAN PLANTS TO INOCULATION WITH RHIZOBIA AND CYANOBACTERIA

Article 4, Volume 2, Issue 2, March and April 2017, Page 135-144  XML PDF (580.13 K)
Document Type: original papers
DOI: 10.21608/mjss.2017.176042
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Authors
M. A. El-Howeity1; Sh. A. Abdel-Gawad2
1Environmental Studies& Research Institute (ESRI), Sadat City University, Egypt.
2Soils, Water and Environ. Res. Institute, Agric. Res., Center, Giza, Egypt.
Abstract
Field experiments were carried out on a clayey alluvial soil to evaluate the effect of (Bradyrhizobium japonicum (B.j), ,Nostoc muscorum, Anabaena oryzae, B.j. +Nostc, B.j.+Anabaena, and B.j.+Nostc+Anabaena  , on soybean (Glycine max L.) vegetative growth, root nodulation status , yield and its components. Also, microbial activity in soybean rhizosphere soil and technology characters of seeds (protein, oil, and carbohydrate content) were determined.  Results indicated that, inoculation with Brady rhizobium or cyanobacteria improved plant growth parameters, i.e., plant height, number of branches, number and dry weight of pods above the control (60kgN) . However, co-inoculation of Brady rhizobium with the two cyanobacteria significantly enhanced those parameters, where they scored significant increases in number and dry weight of root nodules, as well as nitrogenase activity of the root system, as compared with the single inoculation with Brady rhizobium alone or the control. The mixed inoculation improved dehydrogenase activity in the rhizosphere soil, as well as the seed content of oil, protein and carbohydrate were achieved. Also, the highest yield and its components were also recorded with the mixed inoculation.
Keywords
Glycine max; N2-Fixation; Brady rhizobium Nostoc; Anabaena; plant growth parameters
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