DOUBLE HAPLOID PROCESS FOR SUNFLOWER PLANTS

DE602020057637T2Active Publication Date: 2025-08-27MAS SEEDS +1
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Patent Information

Application Number
DE602020057637
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-12-13
Filing Date
2020-12-11
Publication Date
2025-08-27
Estimated Expiration
2040-12-11

AI Technical Summary

Technical Problem

Existing haploidization techniques for sunflowers are cumbersome, complex, and yield unsatisfactory results, lacking efficiency and reliability in producing defect-free haploid plants.

Method used

A method involving castration of sunflower flowers by removing male organs to induce immature haploid embryos in unfertilized ovaries, followed by embryo rescue and optional chromosome doubling, without the need for pollination or pollen treatment.

Benefits of technology

This method simplifies the process, achieves high yields of viable haploid and doubled haploid sunflower plants, reducing the need for complex manipulations and shortening the varietal selection cycle by 3 to 5 years.

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