The F 257 line is primarily used in sweet maize breeding programs as genetic material. In international guidelines for the conduct of tests for distinctness, uniformity and stability, it is used as a standard sample for assessing morphological characteristics, in particular the structure of the tassel.
Data on this line are limited to highly specialized morphological descriptions necessary for breeders, such as the attitude of the lateral branches of the tassel. Information on productivity, resistance to diseases or lodging is unavailable, as the material is an internal breeding code rather than a commercial variety.
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Countries of admission
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
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