Squash plants with papaya rinsgpot virus (PRSV) resistance
EP4757587A1Pending Publication Date: 2026-06-17SYNGENTA CROP PROTECITON AG
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- SYNGENTA CROP PROTECITON AG
- Filing Date
- 2024-08-06
- Publication Date
- 2026-06-17
AI Technical Summary
Technical Problem
Current squash varieties have limited and unstable resistance to Papaya Ringspot Virus (PRSV), leading to significant agricultural losses.
Method used
Development of novel Cucurbita pepo squash plants with increased PRSV resistance by introgressing a semi-dominant QTL allele from Cucurbita ecuadorensis, located on chromosome 10, and using molecular markers for marker-assisted breeding.
Benefits of technology
The introgressed sequence provides enhanced resistance to PRSV, improving economic and commercial efficiency in squash cultivation by reducing virus incidence and impact.
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Smart Images
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Abstract
The present invention relates to squash (Cucurbita pepo L.) plants displaying an increased resistance to papaya ringspot virus infection introgressed from C. ecuadorensis and located on chromosome 10. The present invention also relates to seeds and parts of said plants, for example fruits. The present invention further relates to methods of making and using such seeds and plants. The present invention also relates to novel genetic sequences associated with said increased resistance and to molecular markers associated with said novel genetic sequences. The invention further relates to markers and the use thereof in marker assisted breeding.
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