COMPARATIVE ANALYSIS OF FLAVONOIDS IN XANTHOMONAS AXONOPODIUS L. AFFECTED CITRUS VARIETIES OF PUNJAB, PAKISTAN

Khadija Gilani, Rehana Badar, Nazia Kanwal, Asma ahmed, Samina Khurshid, Muqadas Asghar

Abstract


The current study examined the correlation between the prevalence of Xanthomonas axonopodis L. and flavonoid content in the leaves and pulp of various citrus cultivars (both healthy and Xac-infected) across different regions of Pakistan. The study considered environmental factors such as temperature (°C), relative humidity (%), total precipitation (mm), and wind speed (km/h). Flavonoid levels were quantified using liquid chromatography-mass spectrometry. Statistical analysis revealed the presence of 12 different flavonoids in the citrus cultivars. The concentrations of these flavonoids were found to be lower in Xac-infected plants compared to healthy ones. Additionally, the amounts of each flavonoid varied under different climatic conditions. The findings of this study could be utilized to promote the commercialization of citrus varieties that are either resistant to Xac infection or possess high flavonoid content.

Keywords


Xanthomonas axonopodis pv. citri, Citrus canker, Rutaceae, Citrus, Flavonoids

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DOI: https://doi.org/10.33866/phytopathol.036.01.1060

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Pakistan Journal of Phytopathology
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