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Tewfike,, T., Abo-Aly, H. (2000). BIOFERTILIZATION INFLUENCE OF TOMATO SEEDS AND SEEDLINGS BY NON-SYMBIOTIC N2-FIXERS ON TOMATO PLANT GROWTH AND FUSARIUM DISEASE SEVERITY. Journal of Agricultural Chemistry and Biotechnology, 25(11), 7107-7120. doi: 10.21608/jacb.2000.260221
T. A. Tewfike,; H. E. Abo-Aly. "BIOFERTILIZATION INFLUENCE OF TOMATO SEEDS AND SEEDLINGS BY NON-SYMBIOTIC N2-FIXERS ON TOMATO PLANT GROWTH AND FUSARIUM DISEASE SEVERITY". Journal of Agricultural Chemistry and Biotechnology, 25, 11, 2000, 7107-7120. doi: 10.21608/jacb.2000.260221
Tewfike,, T., Abo-Aly, H. (2000). 'BIOFERTILIZATION INFLUENCE OF TOMATO SEEDS AND SEEDLINGS BY NON-SYMBIOTIC N2-FIXERS ON TOMATO PLANT GROWTH AND FUSARIUM DISEASE SEVERITY', Journal of Agricultural Chemistry and Biotechnology, 25(11), pp. 7107-7120. doi: 10.21608/jacb.2000.260221
Tewfike,, T., Abo-Aly, H. BIOFERTILIZATION INFLUENCE OF TOMATO SEEDS AND SEEDLINGS BY NON-SYMBIOTIC N2-FIXERS ON TOMATO PLANT GROWTH AND FUSARIUM DISEASE SEVERITY. Journal of Agricultural Chemistry and Biotechnology, 2000; 25(11): 7107-7120. doi: 10.21608/jacb.2000.260221

BIOFERTILIZATION INFLUENCE OF TOMATO SEEDS AND SEEDLINGS BY NON-SYMBIOTIC N2-FIXERS ON TOMATO PLANT GROWTH AND FUSARIUM DISEASE SEVERITY

Article 1, Volume 25, Issue 11, November 2000, Page 7107-7120  XML PDF (766.07 K)
Document Type: Original Article
DOI: 10.21608/jacb.2000.260221
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Authors
T. A. Tewfike,; H. E. Abo-Aly
Agric. Botany Dept. (Agric. Microbiology), Fac. of Agric. Moshtohor, Benha Branch, Zagazig Univ. Egypt.
Abstract
Tomato seeds and seedlings were inoculated by using non-symbiotic N2-fixers Azospirillum brasilense and Azotobacter chroococcum to investigate the biofertilization influence on dehydrogenase activity, plant growth-promoting bacterial population, total nitrogen, phosphorus and potassium in soil. Fruits physical characteristics and percentage of total phenoles and indoles in fruits were also determined. Moreover, disease incidence of damping-off, in the presence of Fusarium oxysporum pathogen in the presence of biofertilizers were evaluated.
Obtained data showed that, inoculation of seedlings (seeds+ seeding roots) gave the highest values of dehydrogenase activity, azospirilla and azotobacters proliferation, fruits quality and reduction of disease incidence.
Also, results revealed that mixed inoculation of non-symbiotic N2-fixers increased all tested parameters and reduced disease incidence than single inoculation of either seed inoculation or seedling inoculation by diazotrophs.
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