This type was found in one of my stocks involved in the inheritance of yellow endosperm color. The trait exhibits pleiotropism, both tassel and ear being affected. The tassels exhibit few to many silks but no seeds are produced. The ears exhibit varying degrees of basal branching. Both manifestations are affected by environment and background, with the tassel manifestation being the simplest to score. Tests with the recessive tassel seed indicated non-allelism. Additional F2 tests involving bm2 lg1 su y1 wx and g have given no indication of linkage. The symbol tsi is proposed.
G. F. Sprague
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