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Adaptive Potential for Perspective Lines and Cultivars of Covered Oats Bred in the Federal Agricultural Scientific Center of the Northeast
Russian Agricultural Sciences Pub Date : 2020-07-15 , DOI: 10.3103/s1068367420030039
G. A. Batalova , M. V. Tulyakova , O. A. Zhuikova , E. N. Vologzhanina , N. V. Krotova

Abstract—The adaptability and stability in productivity of nine cultivars and lines of covered oats were studied in parallel competitive tests in two ecological points of the Kirov region (Kirov city and settlement Falenki) for their perspective use in production. The index of environment conditions (I) changed in 2018 from a negative indicator in Kirov (–10.50) to a positive one (3.86) in Falenki. In 2017, it amounted to 3.39 and 3.26, respectively. Perspective lines of the intensive type I-4592 and I-4808 having average productivity of 64.4 and 63.8 c/ha and sympathetic for change of environment conditions in a section of years and ecological points (bi = 1.59 and bi = 1.37; \(S_{i}^{2}\) = 21.58 and \(S_{i}^{2}\) = 9.78) were selected. The productivity of the I-4808 line was 6.0 c/ha higher than the standard productivity. It showed higher stress resistance and stability of productivity compared to the I-4592 line and was transferred to the state test as a Falenets cultivar. A wide range of adaptive features and resistance to stress factors were recorded for the perspective line 2h12o at high average productivity (61.6 c/ha), regression coefficient near to 1 (bi = 0.94), and high genetic flexibility ((Ymin + Ymax)/2 = 60.2 c/ha). Sapsan, Medved, and Berber cultivars belong to the semi-intensive genotypes capable to form productivity stable by years. Significant positive correlations between productivity and genetic flexibility (r = 0.93), between coefficient of regression and indicators of variation (r = 0.90) and stability (r = 0.92), and insignificant positive correlations with variance of stability (r = 0.09) were established.

中文翻译:

东北联邦农业科学中心覆盖燕麦品种的视线和品种的适应潜力

摘要—在基洛夫地区的两个生态点(基洛夫市和法伦基人定居点),通过并行竞争试验研究了9个品种和有盖燕麦品系的生产力的适应性和稳定性,以用于生产。环境条件指数(I)在2018年从基洛夫的负指标(–10.50)变为法伦基的正指标(3.86)。2017年,该数字分别为3.39和3.26。集约型的透视线I-4592和I-4808具有64.4平均生产率和63.8 C /公顷和交感神经为年和生态点(一区段的环境条件的变化b= 1.59和b= 1.37; \ (S_ {i} ^ {2} \) = 21.58和\(S_ {i} ^ {2} \) = 9.78)。I-4808生产线的生产率比标准生产率高6.0 c / ha。与I-4592品系相比,它具有更高的抗逆性和生产率的稳定性,并已作为Falenets品种转移到状态测试中。在高平均生产率(61.6 c / ha),回归系数接近1(b i = 0.94)和高遗传柔性((Y min +最大Y)/ 2 = 60.2 c / ha)。Sapsan,Medved和Berber品种属于半密集型基因型,能够形成稳定的生产力。建立了生产力和遗传灵活性之间的显着正相关(r = 0.93),回归系数与变异指标(r = 0.90)和稳定性之间的显着正相关(r = 0.92),以及稳定性方差不显着的正相关(r = 0.09)。 。
更新日期:2020-07-15
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