Hybrid rice farmers and seed growers can now quickly assess seed purity with the addition of a new trait in Mestiso 20 (M20), a public hybrid rice variety. To assess seed purity as early as seedling stage, PhilRice researchers have introduced purple coloration on the leaf sheaths of the male parents of M20 while keeping the other traits intact. As hybrids are generated through outcrossing of two different rice lines, […]