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Evaluation of quality and growth of roselle (Hibiscus sabdariffa L.) as affected by bio-fertilizers

文献类型: 外文期刊

作者: Al-Sayed, Hassan M. 1 ; Hegab, Sabry A. 1 ; Youssef, Mohamed A. 1 ; Khalafalla, Mostafa Y. 1 ; Almaroai, Yaser A 1 ;

作者机构: 1.Al Azhar Univ, Fac Agr, Dept Soils & Water, Assiut, Egypt

2.Umm Al Qura Univ, Fac Appl Sci, Dept Biol, Mecca, Saudi Arabia

3.Umm Al Qura Univ, Fac Appl Sci, Res Labs Ctr, Mecca, Saudi Arabia

4.Chinese Acad Trop Agr Sci, Haikou Expt Stn, Haikou, Hainan, Peoples R China

5.Assiut Univ, Fac Agr, Dept Soils & Water, Assiut 71526, Egypt

关键词: Azospirillum; Azotobacter; nitrogen; Roselle

期刊名称:JOURNAL OF PLANT NUTRITION ( 影响因子:1.707; 五年影响因子:1.645 )

ISSN: 0190-4167

年卷期: 2020 年 43 卷 7 期

页码:

收录情况: SCI

摘要: Roselle (Hibiscus sabdariffa L.) plant is a valuable medicinal crop in arid and semi-arid regions. The use of microbes as bio-fertilizers in enhancing crop production is more favorable than chemical fertilizers due to food safety. A pot experiment was conducted to explore the effect of Azotobacter chroococcum and Azospirillum brasiliense as a bio-fertilizer on the growth, yield, and quietly of roselle plants. Roselle seeds were mixed with the tested bio-fertilizer and cultivated on plastic pots filled with a sandy clay loam soil. The bio-fertilization significantly (p < 0.05) increased the growth, nutrients uptake, yield, and quality of roselle plants compared to the untreated plants. The inoculation of roselle plants with the bio-fertilizer increased the total chlorophyll, carotenoid, total anthocyanin (TAC), and total flavonel (TF) by 16.45, 26.10, 8.44, and 14.27%, respectively, above the control. The bio-fertilization increased the soil available nitrogen by 14.33% above the control, and increased the uptake of N, P, and K by 18.8, 17.81, and 12.75%. The bio-fertilization not only increased the quality of roselle plants but also increased the fresh and dry weights of sepals yield by 5.89 and 3.55%, respectively.

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