Using soybean starting material in breeding process

Federal Scientific Center of Agricultural Biotechnology of the Far East named after A. K. Chaiki FSBSI, Timiryazevsky stl., 692524 Ussuriysk, Russia

^* Corresponding author: otdelsoy@mail.ru

Abstract

The paper evaluates new promising soybean varieties and their parental forms with high yield, seed quality, and resistance to diseases and the stress conditions of Primorsky kray for a number of traits. The soybean accessions were used in a breeding program for constructing genotypes. Based on the research results, we selected promising soybean varieties characterized by a high yield and a high content of protein and oil in seeds. The yield of varieties Primorskaya 1670 and Primorskaya 1672 exceeded the standard by more than 32.2%. Varieties Primorskaya 1551 and Primorskaya 1674 had a high oil content in seeds – 23.8% and 24.1%, respectively. Variety Primorskaya 1659 was characterized by a high content of protein (41.2%). The parental forms used in the breeding of the new varieties were evaluated for a number of economically important traits. The yield of the starting forms ranged from 0.149 to 0.405 kg/m2. It was determined that 69.5% of the soybean accessions belonged to the group with mid-season maturity. A high content of protein in seeds (> 40.0 %) was detected in varieties of various origin – Primorskaya 13, Hefeng 25, NIISKH 2, XN 4, Arisa, and Kioto; variety NIISKH had a high oil content (24.2%). Varieties NIISKH 6, D 402-HH51, Arisa, NIISKH 5, XN 8, and XN 4 demonstrated a high potential adaptability to stress conditions.