Inheritance of flower type in some grape varieties (<i>Vitis vinifera</i> L.)

Authors

  • L. Avramov Faculty of Agriculture, Belgrade - Zemun
  • G. Jelenković Faculty of Agriculture, Belgrade - Zemun
  • M. Jovanović Faculty of Agriculture, Belgrade - Zemun
  • Z. Rodić Faculty of Agriculture, Belgrade - Zemun

DOI:

https://doi.org/10.5073/vitis.1967.6.129-135

Abstract

This paper presents the results and genetical analysis of crossing grape varieties Vitis vinifera L. with regard to the inheritance of flower type. From the results obtained, following conclusions could be drawn:
  1. The flower type (hermaphrodite and female) in grape varieties Vitis vinifera L. is controlled by two allels. The genetic factor for female flower is designated by sr and the factor for hermaphroditism by Sh. Factor Sf is recessive to Sh.
  2. Varieties with hermap hrodite flower type are either homozygous (Sh Sh) or heterozygous (Sh Sf) for hermaphroditism. Out of 20 tested varieUes with hermaphrodite flowers, 14 were heterozygous and 6 homozygous. The following varieties are homozygous: Datier, Smederevka, Queen of the Vineyards, Volovsko Oko, Traminer Red and Zilavka. Heterozygous varieties are: Muscat Hamburg, Chasselas Buvie, Pearl of Csaba, Chasselas White, Italia, Italian Riesling, Merlo, Beli Medenac, Bagrina, Semillon, Pinot Noir, Prokupac, Šljiva, Muscat Otonel.
  3. Varieties with functionally female flowers are probably homozygous, i. e. Sf Sf. These are: Čaus and Crveni Drenak. In all combinations of crossings, seedlings having homogametic flower type were in deficit.
  4. Considering the improvement of grape varieties it is suggested to use hermaphrodite varieties of t he genetic constitution Sh Sh.

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Published

2017-02-22

Issue

Vol. 6 No. 2 (1967): Vitis

Section

Article

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