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Definition of embryo rescue

Categorized under "General"

Definition as written by kdjoergensen:

Abortion of embryos at one or the other stage of development is a characteristic feature of distant hybridization. E.g the crossing of two species or varieties often fails when using distant parents who do not share many chromosomes. Embryo rescue is the process when plant breeders rescue inherently weak, immature or hybrid embryos to prevent degeneration. Common in lily hybridizing to create new interspecific hybrids between the various lily groups (such as Asiatic, Oriental, Trumpet, etc).

Definition as written by Magpye:

When cross-pollination occurs between genetically widely different plants, the resulting embryo may be aborted because of parental mutual incompatibility. Such embryos may be excised and grown on a congenial medium such as nutrient agar.


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