Manifestation of multiple racemes trait of black currant

Author:

Sazonov F. F.1

Affiliation:

1. Federal Horticultural Center for Breeding, Agrotechnology and Nursery

Abstract

The results of the evaluation of the genetic collection of black currants on the multiple racemes trait for increasing the productivity of the crop in the conditions of the Bryansk region are presented. The index of the number of racemes with fruiting on one shoot node was studied. It has been shown that under the conditions of the southwestern part of the nonchernozem belt of Russia (Bryansk region), formation of one generative bud in the axils of leaves is typical for the crop, but there are forms in which some nodes are capable of forming 2-3 racemes with fructification. It has been found that out of 132 varieties of the genetic collection studied, 116 specimens (87.9%) formed nodes with 1-2 generative buds. As a result of the studies, varieties with 3-4 inflorescences on the nodes capable of bearing fruit were selected (Dar Smolyaninova, Debryansk, Bryansky Agat, Selechenskaya 2, Ladushka, Orlovsky Vals, Istok, Chudnoe Mgnovenie, Yubileinaya Kopanya, Vera, Chernavka, etc.). Their use in further crosses will produce more productive genotypes. The most productive combinations of the crosses have been identified according to the yield of progeny forming 2-4 generative formations on one node (63-35-1 × Litvinovskaya, Svityazyanka × Selechenskaya 2, Debryansk × Dar Smolyaninova, Chudnoe Mgnovenie × Golubichka, 10-141-2 × Partizanka Bryanskaya, Debryansk × Litvinovskaya). Promising selected forms (3-63-01, 5-82-02, 8-69-01, 5-45-02, 4-18-01, 4-94-1, 4-18-02, 2-30-01, etc.), which combine the multiple racemes feature with other economically valuable indicators (resistance to pathogens, large fruits, dessert taste of fruits, number of berries in the raceme, their one-dimensionality) are highlighted.

Publisher

SFSCA RAS

Subject

General Medicine

Reference10 articles.

1. Sazonova I.D. Biochemical assessment of raspberry and currant berries in the southwestern part of the Non-Black Earth region of Russia. Vestnik Bryanskoi gosudarstvennoi sel'skokhozyaistvennoi akademii = Vestnik of the Bryansk State Agricultural Academy, 2021, no. 5 (87), pp. 36–44. (In Russian). DOI: 10.52691/2500-2651-2021-87-5-36-44.

2. Sazonov F.F., Evdokimenko S.N., Sorokopudov V.N., Andronova N.V., Skovorodnikov D.N. The productivity of new Russian blackcurrant cultivars. ActaHorticulturae, 2020, vol. 1277, pp. 155–158. DOI: 10.17660/ActaHortic.2020.1277.22.

3. Sorokopudov V.N., Nazaryuk N.I., Gabysheva N.S. Improvement of the assortment of black currants in the Asian part of Russia. Vestnik Kurskoi gosudarstvennoi sel'skokhozyaistvennoi akademii = Bulletin of the Kursk State Agricultural Academy, 2018, no. 7, pp. 23–28. (In Russian).

4. Akulenko E.G., Kan'shina M.V., Yagovenko G.L. Results and outlooks of black currants breeding in the All-Russian Lupin Scientifi Research Institute. Plodovodstvo i yagodovodstvo Rossii = Pomiculture and small fruits culture in Russia, 2020, vol. 63, pp. 11–15. (In Russian). DOI: 10.31676/2073-4948-2020-63-11-15.

5. Rodyukova O.S., Zhidekhina T.V., Bryksin D.M., Khromov N.V., Gur'eva I.V. Genetic collections of berry crops and their role in improving the assortment. Dostizheniya nauki i tekhniki APK = Achievements of Science and Technology of AIC. 2021, vol. 35, no. 7, pp. 10–16. (In Russian). DOI: 10.53859/0235-2451_2021_35_7_10.

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