Estimation of adaptability of the maternal lines of the winter rapeseed hybrids bred at the V.S. Pustovoit All-Russian Research Institute of oil crops in the central zone of the krasnodar region, Russia

Q3 Agricultural and Biological Sciences caspian journal of environmental sciences Pub Date : 2021-10-06 DOI:10.22124/CJES.2021.5094
E. Strelnikov, E. Bochkarova, L. Gorlova, V. Serdyuk
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Abstract

In 2018-2020, the maternal lines of winter rapeseed, Brassica napus L. developed at the V.S. Pustovoit All-Russian Research Institute of Oil Crops: 1681, 1840-2, 1860, 39712, 39859, 39880, 40059, and 40177 were studied. The purpose of the research was a comparative estimation of the maternal lines of the winter rapeseed hybrids by calculated statistic parameters of adaptability, environmental and genetic plasticity, stability, stress resistance in the central zone of the Krasnodar region in different years. Indicators of environmental plasticity and stability were calculated by seed yield of the maternal lines of the winter rapeseed hybrids for three years due to the procedure by SA Eberhart, WA Rassell as revised by VА Zykin. To calculate a coefficient of a linear regression, the environmental indexes characterizing the variability of lines production conditions were defined. Stress resistance and genetic plasticity were determinated due to the equation by AA Rossielle & J Hamblin. Potential productivity and adaptability were identified by the procedure of LA Zhivotkov. The conditions of the 2020 were satisfactory for winter rapeseed plants growth and development. The average yield of the maternal lines was equal to 4.83 ton ha-1. The conditions of 2018 and 2019 were not quite favorable, since the environmental index was negative (Ij= -0.14 and -1.23), and average yield was 3.33 and 2.24 ton ha-1, respectively. The comparative estimation of the maternal lines of the winter rapeseed hybrids developed at the V.S. Pustovoit All-Russian Research Institute of Oil Crops by the parameters of the ecological plasticity and stability in the Krasnodar region showed that the line 39712 having the average seed yield per year of 3.70 ton ha-1 combines a high level of plasticity, adaptability, stability and is characterized by a high genetic plasticity. This line possesses high responsibility to the advanced cultivation conditions. The line 39880 with the average yield of 3.57 ton ha-1 also is characterized by environmental and genetic plasticity and adaptability. The lines 39859 and 40177 demonstrated the highest stability and resistance to the stress factors of environments. They are very adaptive to deterioration of the weather conditions. The selected maternal lines are very interesting for breeding of winter rapeseed hybrids of the Russian origin.
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俄罗斯克拉斯诺达尔地区中部V.S. Pustovoit全俄油料作物研究所培育的冬季油菜籽杂种母系适应性评估
2018-2020年,对V.S.Pustovoit全俄油料作物研究所开发的冬油菜母系Brassica napus L.1681、1840-21860、39712、39859、39880、40059和40177进行了研究。本研究旨在通过计算克拉斯诺达尔地区中部地区不同年份的适应性、环境和遗传可塑性、稳定性、抗逆性等统计参数,对冬油菜杂交种的母系进行比较评价。根据SA Eberhart,WA Rassell的程序,根据VАZykin修订的程序,通过冬油菜杂交种母系三年的种子产量计算环境可塑性和稳定性指标。为了计算线性回归系数,定义了表征生产线生产条件可变性的环境指标。AA Rossielle和J Hamblin根据该方程确定了抗逆性和遗传可塑性。通过LA Zhivotkov程序鉴定了潜在生产力和适应性。2020年冬油菜生长发育条件较好。母系的平均产量为4.83吨ha-1。2018年和2019年的条件不太有利,因为环境指数为负(Ij=-0.14和-1.23),平均产量分别为3.33和2.24吨ha-1。利用克拉斯诺达尔地区生态可塑性和稳定性参数对俄罗斯石油作物研究所(V.S.Pustovoit All Russian Research Institute of Oil Crops)培育的冬油菜籽杂交种母系进行比较估计,稳定性,具有较高的遗传可塑性。这条线路对先进的栽培条件负有高度责任。39880品系的平均产量为3.57吨ha-1,也具有环境和遗传可塑性和适应性。线39859和40177表现出最高的稳定性和对环境应力因素的抵抗力。它们对天气条件的恶化非常适应。所选择的母系对于俄罗斯原产的冬油菜杂交种的选育非常有趣。
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来源期刊
caspian journal of environmental sciences
caspian journal of environmental sciences Environmental Science-Environmental Science (all)
CiteScore
2.30
自引率
0.00%
发文量
0
审稿时长
5 weeks
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