What is it about?
The efficacy of the methanol extract of pomegranate peels was evaluated for controlling the growth of Fusarium sambucinum in vitro and development of dry rot on potato tubers both in curative and preventive applications. The methanol extract exhibited 75.5% inhibition on mycelial growth of F. sambucinum and a complete inhibition on spore germination of the pathogen at the concentration of 20 mg/ml. Minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) of the extract were determined to be 20 and 120 mg/ml, respectively. Twenty four individual phenolic compounds were identified and quantified in the extract using HPLC analysis. The methanol extract of peels caused a significant reduction in dry rot development on potato tubers inoculated with F. sambucinum in curative and preventive applications.
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Why is it important?
The methanol extract of pomegranate peels could be applied as alternative natural products to synthetic fungicides in the biocontrol of dry rot on potato tubers.
Perspectives
In the recent years, the attention has been focused on the natural substances for biological control of plant pathogens such as agro-industrial wastes. Pomegranate peel is considered as a good example for this type of agro-industrial by-products. The peel constitutes about 50% of the total fruit weight. However, the fruit peel contains considerable amounts of phenolic compounds and flavonoids. These compounds possess significant antioxidant, antibacterial and antifungal activities.
Elsherbiny A. Elsherbiny
Mansoura University
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This page is a summary of: Efficiency of pomegranate (Punica granatum L.) peels extract as a high potential natural tool towards Fusarium dry rot on potato tubers, Postharvest Biology and Technology, January 2016, Elsevier,
DOI: 10.1016/j.postharvbio.2015.09.019.
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