Biological efficiency of cultivation of new hybrids of spring rapeseed in Eastern Siberia

Abstract

The work considered the development of technology for cultivating new hybrids of spring rapeseed breeding by LLC Jerman Sid Alliance Russ RAPOOL in the natural and climatic conditions of Eastern Siberia. The research was carried out in the production experience of grain-and-grains crop rotation at the field station of the ERPC "Borsky" in the conditions of the Krasnoyarsk forest-steppe. Six new spring rapeseed hybrids of RAPOOL’s Clearfild ® breeding system were studied, advanced cultivation technology and a system for protecting the crop from harmful organisms were tested, biological and actual yields were assessed, and the main elements of the crop structure were determined. The seed oil grain of spring rapeseed hybrids in full protection versions was well made with almost the same weight of 1000 seeds and ranged from 4.0 to 4.5 g. An assessment of the biological yield from the main alimony of the crop structure shows that it varies by hybrids and varies from 3.3 t/ha in the Lagonda hybrid under control to 7.03 t/ha in the Drago hybrid with complete protection. The same assessment on Clearfild ® spring rapeseed hybrids showed a high biological yield, which varies from 5.6 t/ha in the Cyclus hybrid to 7.8 t/ha in the Chip CL hybrid. High harvest yields were formed by Contra CL and Chip CL hybrids, 9.5 and 9.4 t/ha, respectively. The highest actual seed yield with full protection was shown by the Drago hybrid (6.2 t/ha) and Chip CL hybrid (7.2 t/ha). The assessment of spring rapeseed hybrids from the Clearfild ® system group showed that their actual yield of oilseeds did not exceed the same in the first test using non-cryafield seeds.)