Morpho-cultural, pathological and molecular variability in Phloeospora maculans causing leaf spot of mulberry (Morus species) in India.
ISSR
Leaf spot
Morus species
Phloeospora maculans
Polymerase chain reaction
Variability
Journal
Molecular biology reports
ISSN: 1573-4978
Titre abrégé: Mol Biol Rep
Pays: Netherlands
ID NLM: 0403234
Informations de publication
Date de publication:
Oct 2023
Oct 2023
Historique:
received:
15
11
2022
accepted:
13
07
2023
medline:
26
9
2023
pubmed:
18
8
2023
entrez:
17
8
2023
Statut:
ppublish
Résumé
Leaf spot disease (LSD) of mulberry caused by Phloeospora maculans is a major threat to the silk industry of Jammu and Kashmir, India, therefore, it was necessary to study the population structure of the pathogen for successful management of the disease. To understand the diversity in the Phloeospora maculans, a combination of conventional (morphological, cultural and pathological) and molecular (ISSR markers) approaches were employed to discern the variability in 27 isolates collected from Srinagar, Bandipora, and Baramulla districts of Jammu and Kashmir, India. The studies revealed a high level of variability in the pathogen. Based on the morpho-cultural and pathological studies, the pathogen isolates were grouped into different categories based on colony growth, texture, margin and colour besides changes in colour of medium, incubation period, leaf area infected, etc.A high level of polymorphism was observed in different isolates of P. maculans using ISSR markers, which indicated that these markers are suitable for studying the genetic diversity in this pathogen. All the isolates (27) of P. maculans were clustered into two groups or populations as indicated by mean delta K value. Analysis of molecular variance revealed the low genetic variation among the populations (1.08%) and a high level of genetic variation within the populations (98.91%). F A high level of diversity based on morphological, cultural, pathological and molecular levels was observed in Phloeospora maculans collected from various districts of Kashmir valley, which indicates that the study of population structure is necessary for successful management of the disease.
Sections du résumé
BACKGROUND
BACKGROUND
Leaf spot disease (LSD) of mulberry caused by Phloeospora maculans is a major threat to the silk industry of Jammu and Kashmir, India, therefore, it was necessary to study the population structure of the pathogen for successful management of the disease.
METHODS AND RESULTS
RESULTS
To understand the diversity in the Phloeospora maculans, a combination of conventional (morphological, cultural and pathological) and molecular (ISSR markers) approaches were employed to discern the variability in 27 isolates collected from Srinagar, Bandipora, and Baramulla districts of Jammu and Kashmir, India. The studies revealed a high level of variability in the pathogen. Based on the morpho-cultural and pathological studies, the pathogen isolates were grouped into different categories based on colony growth, texture, margin and colour besides changes in colour of medium, incubation period, leaf area infected, etc.A high level of polymorphism was observed in different isolates of P. maculans using ISSR markers, which indicated that these markers are suitable for studying the genetic diversity in this pathogen. All the isolates (27) of P. maculans were clustered into two groups or populations as indicated by mean delta K value. Analysis of molecular variance revealed the low genetic variation among the populations (1.08%) and a high level of genetic variation within the populations (98.91%). F
CONCLUSION
CONCLUSIONS
A high level of diversity based on morphological, cultural, pathological and molecular levels was observed in Phloeospora maculans collected from various districts of Kashmir valley, which indicates that the study of population structure is necessary for successful management of the disease.
Identifiants
pubmed: 37592179
doi: 10.1007/s11033-023-08677-x
pii: 10.1007/s11033-023-08677-x
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
8337-8348Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Nature B.V.
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