Enhancement of Plant Growth and Yield of Wheat (Triticum aestivum L.) under Drought Conditions Using Plant-growth-promoting Bacteria

dc.contributor.authorOmara, Alaa El-Deinen_US
dc.contributor.authorElbagory, Mohssenen_US
dc.date.accessioned2019-12-06T09:18:30Z
dc.date.available2019-12-06T09:18:30Z
dc.date.issued2018-09
dc.description.abstractTo reduce negative effects of drought on plants, the use of plant growth- promoting rhizobacteria (PGPR) is an effective way to investigate that. The aim of the present study was to assess the bacterial characteristics Bacillus subtilis, Bacillus cereus, Pseudomonas koreensis, Pseudomonas fluroscence, and Enterobacter cloacae as growth, IAA production, phosphate solubilization, seed germination under different concentrations of polyethylene glycol (PEG 6000), and their efficacy of single or dual inoculation with two superior strains in lyzimeter experiment for improving growth and yield of sensitive variety of wheat (Triticum aestivum L.) cv. Sids 1 under different stress irrigation water 100, 70 and 35% of field capacity. Among the tested strains only 2 strains B. subtilis and P. koreensis showed a stable growth even in the maximum 40% PEG concentration. Also, P. koreensis produced the highest amount of IAA (1.84 µg ml-1), and solubilise maximum amount of P (1.59 µg ml-1), and improved seed germination at 30% PEG concentration. On the other hand, in gnotobiotic sand system experiment, PGPR increase growth dynamics as well as proline content and root colonisation of wheat plants over uninoculated control under drought-stressed conditions. In lyzimeter experiment, single and dual inoculation treatments showed a significant increase of physiological and biochemical parameters of the plant under different drought stress treatments. Also, maximum increase 29.08 % in ascorbate peroxidase and 27.38% in catalase activities due to dual inoculation treatments T12 (Inoculation with B. subtilis + P. koreensis and irrigated at field capacity 35%), with respect to the corresponding unstressed control T10 (Inoculation with B. subtilis + P. koreensis and irrigated at field capacity 100%). Also, significant increase in grain yield, straw yield, biological yield and harvest index were observed under different drought stress. These results may be related to increase uptake of water and nutrients in wheat plant and reflected in better plant growth and yield.en_US
dc.identifier.affiliationsDepartment of Agricultural Microbiology, Soil, Water and Environment Research Institute, Agricultural Research Center (ARC), Giza, Egypt.en_US
dc.identifier.affiliationsDepartment of Agricultural Microbiology, Soil, Water and Environment Research Institute, Agricultural Research Center (ARC), Giza, Egypt and Department of Biology, Faculty of Science and Arts, King Khalid University, Mohail Assir, KSA.en_US
dc.identifier.citationOmara Alaa El-Dein, Elbagory Mohssen. Enhancement of Plant Growth and Yield of Wheat (Triticum aestivum L.) under Drought Conditions Using Plant-growth-promoting Bacteria. Annual Research & Review in Biology. 2018 Sep; 28(6): 1-18en_US
dc.identifier.issn2347-565X
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/187925
dc.languageenen_US
dc.publisherScience Domain Internationalen_US
dc.relation.issuenumber6en_US
dc.relation.volume28en_US
dc.source.urihttps://doi.org/10.9734/ARRB/2018/44181en_US
dc.subjectPlant growth-promoting rhizobacteriaen_US
dc.subjectpolyethylene glycolen_US
dc.subjectfield capacityen_US
dc.subjectwheaten_US
dc.subjectyielden_US
dc.titleEnhancement of Plant Growth and Yield of Wheat (Triticum aestivum L.) under Drought Conditions Using Plant-growth-promoting Bacteriaen_US
dc.typeJournal Articleen_US
Files
Original bundle
Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
arrb2018v28n6p1b.pdf
Size:
621.32 KB
Format:
Adobe Portable Document Format