Abstract

The article presents the results of a study of the manifestation of hypothetical and true heterosis in the hybrid petunia according to some decorative features in the conditions of the protected ground of Moscow. The presence of a heterosis effect and overdomination in the time of flowering of the first flower, the diameter of the flower and the number of flowers for the first two weeks of flowering was established. All hybrid combinations showed a small negative hypothetical and true heterosis effect on the early entry of petunia plants into the flowering phase. Keywords: PETUNIA, HETEROSIS, HYBRID, DOMINANCE, OVERDOMINATION

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