Volume 10, Issue 26 (9-2018)                   jcb 2018, 10(26): 43-52 | Back to browse issues page

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Ahmadi M, Omidi M, Alizadeh B, Shah nejat Bushehri A A. The Selection of Superior Genotypes with High Oil Yield Performance in Rapeseed Mutant Lines (Brassica Napus L.). jcb. 2018; 10 (26) :43-52
URL: http://jcb.sanru.ac.ir/article-1-759-en.html
University of Tehran
Abstract:   (265 Views)

With the aim of comparing the grain yield and yield components of 16 oilseed rape (Brassica napus L.) mutant lines with cultivars Talayeh, Zarfam, Express and Okapi as check cultivar an experiment was conducted based on  randomized complete block design with three replications during 2015-2016 cropping season in experimental field of Seed and Plant Improvement Institute (SPII) in Karaj. Analysis of variance showed significant differences among the genotypes in length of vegetation period, seed and oil yield. The results showed that the mutant line Z-800-6 had the most grain and oil yield compared to Okapi. The maximum and minimum number of days to maturity was related to mutant lines T-800-6 (256 days) and Exp-900-1 (238 days), respectively. Principal component analysis indicated that three principal components explained more than 79 percent of the variation and were correlated with grain yield, flowering time and oil yield respectively. Stepwise regression analysis showed that number of pod per plant and per main stem, pod length on main stem and 1000-grain weight explained the most of the variation of yield suggesting that they can be used as indices for increasing grain and oil yield in oilseed rape breeding.

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Type of Study: Research | Subject: اصلاح موتاسيوني
Received: 2017/04/29 | Revised: 2018/09/26 | Accepted: 2017/09/10 | Published: 2018/09/26

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