What does this research mean for the field?

Colletotrichum truncatum isolates across Indian soybean ecosystems exhibit significant morpho-cultural and pathogenic variability that is not correlated with each other, despite low ITS sequence divergence. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Characterize the morpho-cultural variability, pathogenic aggressiveness, and ITS-based molecular identity of Colletotrichum truncatum isolates collected across Indian soybean ecosystems.

August 28, 2026Archives of Phytopathology and Plant Protection

Morpho-cultural variability, aggressiveness patterns, and ITS-based molecular characterisation of Colletotrichum truncatum across Indian soybean ecosystems

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Authors

SMSaloni MandloiJawaharlal Nehru Krishi Vishwa Vidyalaya LRLaxman Singh RajputCentral Arid Zone Research Institute SKSanjeev KumarIndian Institute of Soybean Research

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Implication

Pathogen characterization study reveals wide aggressiveness diversity in Colletotrichum truncatum isolates, highlighting useful strains for breeding durable anthracnose resistance in soybean.

Key Points

Characterize the morpho-cultural variability, pathogenic aggressiveness, and ITS-based molecular identity of Colletotrichum truncatum isolates collected across Indian soybean ecosystems.
Sampled 60 Colletotrichum truncatum isolates across eight soybean-growing agro-ecological zones in India.
Assessed morpho-cultural characteristics, evaluated disease severity across host genotypes, and performed multivariate correlation analyses.
Sequenced the internal transcribed spacer (ITS) region for molecular identification and phylogenetic analysis.
Isolates exhibited marked differences in morpho-cultural traits and disease severity, with host genotype significantly shaping infection outcomes.
Multivariate analyses demonstrated no significant correlation between pathogen aggressiveness and morpho-cultural characteristics.
ITS sequence analysis confirmed all isolates as Colletotrichum truncatum with low sequence divergence, while categorizing isolates into distinct aggressive, stable, and discriminative profiles.

Cite This Study

Mandloi et al. (2026) studied this question.

synapsesocial.com/papers/6a9145ead15324a1df3a9291 https://doi.org/10.1080/03235408.2026.2721486

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Implication

Pathogen characterization study reveals wide aggressiveness diversity in Colletotrichum truncatum isolates, highlighting useful strains for breeding durable anthracnose resistance in soybean.

Morpho-cultural variability, aggressiveness patterns, and ITS-based molecular characterisation of Colletotrichum truncatum across Indian soybean ecosystems

Discussion

Member takes

Implication

Key Points

Cite This Study

Morpho-cultural variability, aggressiveness patterns, and ITS-based molecular characterisation of Colletotrichum truncatum across Indian soybean ecosystems

Discussion

Member takes

Implication

Key Points

Cite This Study

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