Baghazadeh Daryaii, L., Samsampour, D., Bagheri, A., Sohrabipour, J. (2023). Role of Bacterial Endophytes Associated with Seaweed Species in Nourishing Mexican Lime Seedlings in South of Iran. , 25(5), 1059-1071. doi: 10.22034/jast.25.5.1059
L. Baghazadeh Daryaii; D. Samsampour; A. Bagheri; J. Sohrabipour. "Role of Bacterial Endophytes Associated with Seaweed Species in Nourishing Mexican Lime Seedlings in South of Iran". , 25, 5, 2023, 1059-1071. doi: 10.22034/jast.25.5.1059
Baghazadeh Daryaii, L., Samsampour, D., Bagheri, A., Sohrabipour, J. (2023). 'Role of Bacterial Endophytes Associated with Seaweed Species in Nourishing Mexican Lime Seedlings in South of Iran', , 25(5), pp. 1059-1071. doi: 10.22034/jast.25.5.1059
Baghazadeh Daryaii, L., Samsampour, D., Bagheri, A., Sohrabipour, J. Role of Bacterial Endophytes Associated with Seaweed Species in Nourishing Mexican Lime Seedlings in South of Iran. , 2023; 25(5): 1059-1071. doi: 10.22034/jast.25.5.1059

Role of Bacterial Endophytes Associated with Seaweed Species in Nourishing Mexican Lime Seedlings in South of Iran

Journal of Agricultural Science and Technology
Article 4, Volume 25, Issue 5, 2023, Pages 1059-1071    PDF (4.41 M)
Document Type: Original Research
DOI: 10.22034/jast.25.5.1059
Authors
L. Baghazadeh Daryaii1; D. Samsampour* 2; A. Bagheri3; J. Sohrabipour4
1Horticultural Science, Biotechnology and Molecular Genetic in Horticultural Products, University of Hormozgan, Bandar Abbas, Islamic Republic of Iran.
2Department of Horticultural Science, Agriculture and Natural Resources College, University of Hormozgan, Bandar Abbas, Islamic Republic of Iran.
3Plant Protection Research Department, Hormozgan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Islamic Republic of Iran.
4Department of Natural Resources Research, AREEO, Bandar Abbas, Islamic Republic of Iran.
Abstract
Bacterial endophytes associated with algae represent a rich source of bioactive metabolites and biostimulants that can be used practically in agriculture as biofertilizer. We carried out a series of experiments to study the diversity of bacterial endophytes associated with seaweed species of the Persian Gulf (PG) and Oman Sea (OS) and their capability in nourishing Mexican lime seedlings. We collected samples of brown, red, and green seaweed species (62 samples of brown, 79 of red and 49 of green) from intertidal zones of PG and OS in southern coastlines of Iran. The isolated bacteria were identified molecularly, morphologically and physiologically. Among 12 bacterial genera identified, the genus Bacillus had the highest frequency (51.51%). In addition to identification, results showed that all bacterial endophytes isolates were negative oxidase, most isolates (81.25 ­%) were positive catalase and could produce HCN, and all isolates produced IAA, from 0.897 μg mL-­1 in Empedobacter falsenii to 0.085 μg mL-1 in Bacillus zhangzhouensis. Most isolates (96.77%) were able to grow on medium incorporated with different NaCl concentrations. Results of inoculation showed that lime seedlings colonized by B. aquimaris (MT278260), B. megaterium (MN626631) and B. zhangzhouensis (MN611359) had more growth and intended morphological characteristics than those lacking endophytes.
Keywords
Endophytic bacteria; HCN test; IAA test; Microbial biofertilizer
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