Characterization and Pathogenicity of Soil-Borne Pathogens in Gloriosa superba : Effects of Single and Multiple-Pathogen Co-Infection on Disease Responses

Glory lily (Gloriosa superba), an ornamental climbing plant, contains the bioactive compound colchicine, attracting attention from the pharmaceutical industry. However, soil-borne pathogens have emerged as a serious threat to the cultivation of glory lily, leading to substantial economic losses in t...

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Veröffentlicht in:Plant disease. - 1997. - (2024) vom: 26. Juni
1. Verfasser: Dhanabalan, Shanmuga Priya (VerfasserIn)
Weitere Verfasser: Muthusamy, Karthikeyan, Johnson, Iruthayasamy, Kumaresan, Parthiban V, Kandasamy, Rajamani, Natesan, Senthil, Periyannan, Sambasivam
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Gloriosa superba collar rot disease complex root rot single and co-infection wilt
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520 |a Glory lily (Gloriosa superba), an ornamental climbing plant, contains the bioactive compound colchicine, attracting attention from the pharmaceutical industry. However, soil-borne pathogens have emerged as a serious threat to the cultivation of glory lily, leading to substantial economic losses in the southern parts of India. Among these, the three major pathogens are Macrophomina phaseolina, Fusarium oxysporum, and Agroathelia rolfsii, causing dry root rot (also referred to as charcoal rot), wilt, and stem rot, respectively. Here, we characterised these pathogens using morphological characteristics and phylogenetic analysis of DNA sequences related to the internal transcribed spacer (ITS) of ribosomal DNA, calmodulin (CAL) and translation elongation factor (TEF)-1α. Further, in the pathogenicity tests, the inoculation of M. phaseolina alone resulted in lesions measuring 7.54±0.01 mm on tubers and 90% seedling mortality. This severity was comparable to the simultaneous inoculation of all three pathogens, indicating the prominence of dry root rot among soil-borne diseases. This study marks the first detailed investigation of soil-borne pathogens combined infection in G. superba, contributing to the understanding of fungal disease complexity in medicinal plants 
650 4 |a Journal Article 
650 4 |a Gloriosa superba 
650 4 |a collar rot 
650 4 |a disease complex 
650 4 |a root rot 
650 4 |a single and co-infection 
650 4 |a wilt 
700 1 |a Muthusamy, Karthikeyan  |e verfasserin  |4 aut 
700 1 |a Johnson, Iruthayasamy  |e verfasserin  |4 aut 
700 1 |a Kumaresan, Parthiban V  |e verfasserin  |4 aut 
700 1 |a Kandasamy, Rajamani  |e verfasserin  |4 aut 
700 1 |a Natesan, Senthil  |e verfasserin  |4 aut 
700 1 |a Periyannan, Sambasivam  |e verfasserin  |4 aut 
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