What question did this study set out to answer?

The aim is to identify sources of resistance to Chilli leaf curl disease in chilli germplasm.

February 5, 2026Scientific ReportsOpen Access

Exploring novel resistant sources for chilli leaf curl disease in Capsicum annuum L. germplasm for genetic enhancement

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Investigation identifies resistant chilli accessions to Chilli leaf curl disease, highlighting potential for crop improvement.

The aim is to identify sources of resistance to Chilli leaf curl disease in chilli germplasm.
Screened 500 chilli accessions over four years (2021-2024).
Categorized resistance levels into highly resistant, resistant, moderately susceptible, and highly susceptible.
Validated promising resistant accessions with quantitative PCR to measure viral titres.
Identified 16 accessions highly resistant and 40 resistant in the first screening.
Maintained low disease incidence (≤ 5% PDI) in promising accessions during advanced screenings.
Quantitative PCR confirmed very low viral titres (0.1-0.3-fold) in resistant accessions.

Deepika et al. (2026) studied this question.

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