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The research aims to develop a standardized method for rapidly assessing rice resistance to rice ragged stunt virus (RRSV).

March 2, 2026Plant StressOpen Access

A method for rapid assessment of rice resistance to rice ragged stunt virus

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A method evaluates rice resistance to rice ragged stunt virus in germplasm, suggesting improved screening efficiency.

The research aims to develop a standardized method for rapidly assessing rice resistance to rice ragged stunt virus (RRSV).
Established a 14-day indoor assay integrating seedling medium culture and RRSV inoculation via brown planthoppers.
Generated a highly virulent brown planthopper colony with a 74.44% acquisition rate.
Developed a 0-6 scoring framework to classify rice accessions based on height reduction and number of severely stunted plants.
Validated findings through molecular detection techniques like RT-PCR and field trials.
Enabled high-throughput screening of 105 rice accessions.
Classified accessions into four resistance levels: resistant, moderately resistant, moderately susceptible, and susceptible.
Demonstrated strong consistency between laboratory evaluations and field validation outcomes.

Li et al. (2026) studied this question.

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