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Manifestation of the Rp1-D21 phenotype in the heterozygous state in the Rp1-D21-H95 line. Phenotype of field-grown Rp1-D21-H95 plants 3 weeks after planting (A) and 8 weeks after planting (B). (C) An adult Rp1-D21-H95 mutant with a relatively normal tassel but no ear.