Volume 9, Issue 24 (3-2018)                   jcb 2018, 9(24): 152-157 | Back to browse issues page

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Masoudi-Jozchal Z, Babaeian-Jelodar N, Bagheri N. Correlation and Path Coefficient Analysis in F₂ Generation of Rice Genotypes Derived from Crosses between Tarom-Jelodar and 229R Cultivars. jcb. 2018; 9 (24) :152-157
URL: http://jcb.sanru.ac.ir/article-1-934-en.html
Faculty of Agricultural Sciences, Sari Agricultural Sciences and Natural Resources University
Abstract:   (1335 Views)
    Present study aimed to assess the relationship between grain yield and its components in 116 rice genotypes in F₂ generations obtained from crosses between Tarom-Jelodar and 229R cultivars. Correlation analysis showed that the number of panicle per plant (0.758), the number of filled grains per panicle (0.604), the 100 grains weight (0.401) and grain width (0.234) had significant positive relationships with grain yield. Also, between grain yield and number of non-filled grain per panicle (-0.438) a significant negative correlation was existed. Analysis with stepwise regression five characters including: the number of panicle per plant, the number of filled grains per panicle, grain length, the number of non-filled grain per panicle and grain width justified 85% of the changes in grain yield in the model. Path analysis showed that the number of panicle per plant showed greatest positive effects (0.683) on grain yield. The data obtained in current study showed that the number of panicle, the number of filled grain and 100 grain weight can be considered as selection criteria to improve grain yield for rice breeding purposes.
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Type of Study: Research | Subject: اصلاح نباتات، بیومتری
Received: 2018/03/10 | Revised: 2019/04/14 | Accepted: 2018/03/10 | Published: 2018/03/10

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