INHERITANCE OF АNТНОСYANIN- DETERMINЕD COLOUR. WAXY BLOOM AND BRANCHED SPIKES IN RYE (SECALE CEREALE L.)

Abstract

The inheritance of the anthocyanin-determined colour, waxy bloom and branched spikes in rye has been traced through several generations in various crosses. Monofactorial nature and independent distribution in F2 have been demonstrated. The following symbols based on the names of the corresponding rye varieties have been proposed for designation of the genes: 1) 17 —a dominant pleiotropie gene determining the presence оf anthocyanin in the emerged seedlings, in the stem nodes, in the glumes and in some other parts of a plant; vi— its recessive allel inhibiting the development of anthocyanin; 2) Epr — a dominant gene determining the waxy bloom on the spike and on the stem; epr— its recessive allel determining the absence of the waxy bloom; 3) M — a dominant gene determining the normal spike structure; m — its recessive allel determining the branching of the spike of the var. monstrosum Keke type. The method used for analysis of F2 was to obtain the progeny of the recessive F2 plants in isolated plots within each of which panmixia was practiced. In case of the mono-factorial nature of the character studied the segregation in the F3 (progeny of the F₂ recessive plants) is 1:1.