Quote:
Originally Posted by travis
Marginal leaf curl can be genetically tied to the nipple gene.
You may see marginal leaf curl in tomato varieties where the breeder used the nipple gene to tighten up the blossom scar in hybrid tomato cultivars.
The leaf curl associated with the nipple gene can result in higher susceptibility to Early Blight in those cultivars with the nipple gene driven marginal leaf curl phenomenon.
EDIT: http://tgc.ifas.ufl.edu/vol37/vol37h...l37gardner.htm
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I have only seen 3 accessions with the n gene, maybe it got usurped by the beaked gene...?