A stock useful for demonstrating 3-point linkage

A lazy sugary glossy-4 stock with about 10% recombination in region 1 and 15% in region 2 has been established. Ears from backcrossing F1 heterozygotes with the triple recessive can be classified first for Su su endosperms. If these are planted in pots, the seedlings can be classified first for glossy, then for lazy by laying the pots on their sides (after about 2 weeks). Normal plants will turn upward, lazy ones do not. Seeds of the multiple recessive stock and backcrosses are available and will also be sent to the Coop.

Chas. R. Burnham

Please Note: Notes submitted to the Maize Genetics Cooperation Newsletter may be cited only with consent of the authors.

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