Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees
Abdelrahman, H., Darwesh, D. (2020). Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees. EKB Journal Management System, 4(Issue 2020), 345-360. doi: 10.21608/jenvbs.2020.50074.1113
Hany MMohammed Abdelrahman; Darwesh Ragab Darwesh. "Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees". EKB Journal Management System, 4, Issue 2020, 2020, 345-360. doi: 10.21608/jenvbs.2020.50074.1113
Abdelrahman, H., Darwesh, D. (2020). 'Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees', EKB Journal Management System, 4(Issue 2020), pp. 345-360. doi: 10.21608/jenvbs.2020.50074.1113
Abdelrahman, H., Darwesh, D. Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees. EKB Journal Management System, 2020; 4(Issue 2020): 345-360. doi: 10.21608/jenvbs.2020.50074.1113

Effect of Integrated Fertilization with Inorganic, Organic Fertilizers in Presence of Enterobacter ludwigii Local Strain on Growth, Yield and Fruit Quality of Anna Apple Trees

Environment, Biodiversity and Soil Security
Article 24, Volume 4, Issue 2020 - Serial Number 4, 2020, Page 345-360  XML PDF (1.33 MB)
Document Type: Original Article
DOI: 10.21608/jenvbs.2020.50074.1113
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Authors
Hany MMohammed Abdelrahman email orcid 1; Darwesh Ragab Darwesh2
1Agricultural Microbiology Department, Faculty of Agriculture, Benha University, Moshtohor, Qalyoubeia 13736, Egypt
2Horticulture Research Institute, Agriculture Research Center, Giza, Egypt.
Abstract
The investigation was conducted to search for novice strains of plant growth promoting rhizobacteria (PGPR) and apply them to apple trees with organic fertilizer to reduce the amount of chemical fertilizers. Twelve different bacterial isolates were isolated on Ashby’s medium from rhizosphere of healthy fruit trees. Screening process was achieved based on in vitro plant-growth-promoting features. The more potent bacterial isolate (B3) was selected for the subsequent experiments. Morphological and cultural characteristics and 16S rRNA gene partial sequence were used for identification obtained isolate. The 16S rRNA gene sequencing results revealed that the nearest bacterial species to our isolate was Enterobacter ludwigii, KJ638989.1, with about 98% matching. During 2019 and 2020 field traits were carried out to evaluate the effective role of E. ludwigii strain combined with doses of inorganic and organic fertilizers on “Anna” apple trees growth, yield and fruit quality. Data revealed that inoculation by E. ludwigii combined with compost could compensate 50% of chemical fertilizer with significant increment in growth, yield and fruit quality. Since, data showed high yield and fruits quality by using 50% mineral-NPK, compost (14 kg/tree) and E. ludwigii inoculant followed by treatment of 75% NPK, compost (7 kg/tree) and E. ludwigii inoculant. Finally, the obtained strain, E. ludwigii could be capitalized on promoting plant growth for various fruit crops since it exhibits reasonable potential characteristics.
Keywords
Apple; PGPR; Enterobacter ludwigii; Compost
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