Volume 9, Issue 36 (vol. 9, no. 36 2020)                   2020, 9(36): 331-344 | Back to browse issues page

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khorshid A, Asadi A A. Investigation of Yield Traits of Sugar Beet Breeding Lines in Drought Stress and Normal Conditions. Plant Process and Function 2020; 9 (36) :331-344
URL: http://jispp.iut.ac.ir/article-1-1277-en.html
1- Agriculture and Natural Resources Research Center, Agricultural Research, Education and Extension Organization (AREOO), Urmia, Iran , majidkhor1347@gmail.com
2- Agriculture and Natural Resources Research Center, Agricultural Research, Education and Extension Organization (AREOO), Urmia, Iran
Abstract:   (1781 Views)
Regarding the changes in the quantitative and yield characteristics of sugar beet under environmental stress, this research was conducted to investigate the effect of drought stress on the traits of sugar beet breeding lines. For this purpose, full sib families from breeding programs were examined in two separate dry and normal experiments in 2017 crop year. Analysis of variance results showed that the effect of the environment on relative water content, relative loss of leaf water, leaf area, shoot fresh weight, root dry weight, and root mass ratio were significant and drought stress caused a significant decrease in these traits. Full sib 11 with the controls 18, 24 and 25 was the highest and the full sibs 5, 1, 13 and control 21 had the lowest relative leaf water content. Also, full sibs 1 and 10 with the controls 18 and 22 were the highest and ful sib 7 with controls 23 and 24 had the lowest leaf area. Full sibs 2, 13 and 12 had the highest and full sib 17, and controls 18, 20 and 21 had the lowest shoot dry weight. Finally, genotype × environment interaction was also significant in terms of shoot fresh weight, root dry weight, root mass ratio and root to stem ratio, indicating that variation of these traits in the genotypes studied is different in the two environments. At the end, full sibs 2, 9, 12, 13 and 19 between the studied genotypes are better in both studied environments and in general traits, can be described as superior genotypes.
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Type of Study: Research | Subject: Droughts Stress
Received: 2019/07/12 | Accepted: 2019/11/2 | Published: 2020/04/29

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