What does this research mean for the field?

Five rice genotypes exhibit high resistance to brown spot caused by Cochliobolus miyabeanus, with additional genotypes showing varying levels of resistance. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to evaluate rice genotypes for resistance to the brown spot disease caused by Cochliobolus miyabeanus.

February 23, 2026The Indian Journal of Agricultural SciencesOpen Access

Screening of rice (Oryza sativa) germplasm for resistance to brown spot caused by Cochliobolus miyabeanus

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Authors

SKSANJEEV KUMARBihar Agricultural University RKRAKESH KUMARICAR Research Complex for NEH Region CAChandra Shekhar AzadDr. Yashwant Singh Parmar University of Horticulture and Forestry

Discussion

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Implication

Evaluation identifies resistant rice genotypes to brown spot in eastern India, suggesting breeding potential.

Key Points

The aim is to evaluate rice genotypes for resistance to the brown spot disease caused by Cochliobolus miyabeanus.
Field evaluation of 267 rice genotypes under natural disease conditions during 2021 and 2022.
Assessment of disease severity using the IRRI Standard Disease Rating Scale (2002).
Categorization of genotypes based on resistance levels.
Considerable variation among genotypes regarding disease response was observed.
Five genotypes exhibited high resistance to brown spot.
17 genotypes were classified as resistant and 20 as moderately resistant.
Remaining entries were either susceptible or highly susceptible.

Cite This Study

KUMAR et al. (2025) studied this question.

synapsesocial.com/papers/699bee1c1c6c6bad5397fcd4 https://doi.org/10.56093/ijas.v95i12.157346

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Screening of rice (Oryza sativa) germplasm for resistance to brown spot caused by Cochliobolus miyabeanus

Discussion

Member takes

Implication

Key Points

Cite This Study

Screening of rice (Oryza sativa) germplasm for resistance to brown spot caused by Cochliobolus miyabeanus

Discussion

Member takes

Implication

Key Points

Cite This Study

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