INHERITANCE OF VITAMIN C CONTENT IN BLACKCURRANTS BERRIES

Abstract

The black currant is of undeniable value because of its berries richness with ascorbic acid. The article presents the test results of hybrid progeny on the content of vitamin C. The tests are done in the fruit growing department of the All-Russian Lupin Scientific Research Institute in 2020. The wide known varieties and the best elite selected lines of interspecies origin are used as initial lines. The mother lines are Yadrenaya, Tchereshneva, Stor class, (762-5-82 х Dobrynya) x Yadrenaya, 6-28-105, 6-12-230 and 6-11-11; the father lines are Isyumnaya, Yadrenaya, Seletchenskaya 2 and 6-12-128. The content of vitamin C in hybrids varied from 88 to 401 mg%. The content of ascorbic acid of the most hybrid plants was higher than 200 mg%. The most number of seedlings exceeded the parental lines in this character was in the family Yadrenaya x Isyumnaya (68%), Tchereshneva x 6-12-128 (80.5%) and 6-11-11 x Seletchenskaya 2 (97.5%). Plants with positive transgressive in the tested character were splatted off in each of studied families (Тс_max= 11.0 – 97.5%). The families Yadrenaya x Isyumnaya, Tchereshneva x 6-12-128 and 6-11-11 x Seletchenskaya 2 had high productivity of seedlings exceeded the parental lines in the content of vitamin C in berries: 68%, 80.5% and 97.5% respectively. Heterosis in the content of vitamin C was determined for the families 6-11-11 x Seletchenskaya 2 (Нр=+2.0), Tchereshneva x 6-12-128 (Нр=+3.1). The genotypes with the content of vitamin C higher than 300 mg% were selected. There are genotypes 7-10-36 (356 mg%), 7-10-15 (370 mg%), 23-6 (401 mg%) etc. They will be used in breeding as a source for high content of vitamin C.