Chicory Flower
This technology has been called “cell fusion CMS” and it is used to create male-sterile breeding lines, which are then used to create many common F1 hybrid seed varieties. These hybrid varieties are found in many seed catalogs and including many hybrid cabbage, broccoli and interestingly Belgian endive among other crops. The technology has been around for the last few decades and is sometimes called hybrid seed from protoplast fusion cytoplasmic male sterility (CMS). I have nicknamed it “transgeneric cybrid seed.” It is a kind of a biotech revision of a naturally occurring breeding technique that now straddles the border of genetic engineering. I said revision because some cytoplasmic male sterility can occur naturally – but cell fusion CMS does not occur naturally.
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