Affiliation:
1. All-Russian Scientific Research Institute of Rapeseed
2. FGBNU VNII rapeseed
Abstract
One of the prior directions in modern rapeseed breeding is making heterotic hybrids. Seed production of most hybrids F1 used in production are often carried out by two types of cytoplasmic male sterility, there are Polima and Ogura. At the All-Russian Rapeseed Research Institute, fertility restorers on sterile cytoplasm were made and estimated for the main valuable characteristics and biochemical properties. The purpose of the study was to create reducing agents necessary for obtaining highly productive hybrids on the Polima type cytoplasmic male sterility (CMS). The object of research was 56 varieties of Brassica napus L., which were chosen in 2013. The setting of experiments, observations, records and analyzes were carried out using the field plot technique, the methodology of field experiments, the method of statistical data processing. It is noted that hybrids F1 had more productivity than the parental forms and the standard (Ratnik and Rif). Promising reducing agents of cytoplasmic male sterility of the Polima type were identified, which ensured complete restoration of fertility in sterile lines with CMS of the Polima type. The reducing agent LHR-1 is of practical interest for the creation of hybrids on the Polima CMS.
Publisher
Federal Williams Research Center of Forage Production and Agroecology
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