| Popis: |
As a result of the conducted research, it was established that varietal characteristics influence the interphase periods of white cabbage and its yield. The duration of the interphase period "stairs – the beginning of the formation of heads" varied in the studies. During the cultivation of the Slavia and Slava 1305 varieties, the interphase period "seedlings – the beginning of the formation of heads" was 88 – 89 days, respectively, but the plants of the Slavia variety are characterized by a more pronounced early maturity compared to the Slava 1305 varieties. In hybrids, early maturity was characterized by the plants of the Aquarel F1 hybrids and Kubok F1. In these options, the duration of the interphase period varied from 83 to 84 days. Plants of the Slavia variety and the control hybrid Megaton F1 were characterized by a longer period of harvesting cabbage heads. In the specified options, the duration of product collection was 20 days. In other variants of the experiment, the duration of harvesting was shorter by 1 day in relation to the Aquarel F1 and Kubok F1 hybrids and by 2 days in relation to the Slava 1305 variety. Among the varieties, an earlier beginning of head formation was found in plants of the Slavia variety and the Aquarel F1 and Kubok F1 hybrids. During the cultivation of hybrids Kubok F1. and Aquarel F1, the yield of these variants exceeded the yield of the control variant by 7 –12 %, respectively. On average, during the years of conducting the experiment, the total yield of white cabbage varied between 26.3 – 27.0 t/ha by varieties and 30.1 – 32.6 by hybrids. Cultivation of hybrids Kubok F1. and Aquarel F1 in the open ground is appropriate because it provides an increase in the overall yield of the plant by 8 % for seedless cultivation. An earlier arrival of cabbage heads was characterized by hybrids Aquarel F1 and Kubok F1, the first harvest of which was 16.0 and 16.4 % of the total yield. |
