Abstract
SUMMARY The subject of our study was the inheritance of some mutant traits in cultivated sunflower which were found after treating immature embryos of ZL-95 line with a chemical mutagen ethylmethanesulphonate. It was shown that the traits of dichotomous leaf venation and tobacco-like plant are recessive and inherited as monogenic traits when cross-bred with the source line. The given traits are inherited independently when cross-breeding mutant lines with each other and the genes that define them are probably localized in different chromosomes. RESUMEN Se estudió la herencia de algunos rasgos mutantes en el girasol cultivado que se encontraron despues del tratamiento de los embriones inmaduros de la linea ZL-95 de acuerdo con un mutágeno químico etilometanosulfonato. Se ha demostrado que los rasgos de venación dicotómica de la hoja y la planta del tipo tabaco son recesivos y heredados como rasgos monogénicos en cruzas con la línea ZL-95. Los rasgos se heredan de forma independiente, y los genes que definen estos rasgos son probablemente localizados en cromosomas diferentes.
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