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| Comparison of seed quality traits among different variety groups in sesame |
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| DOI： |
| KeyWord:sesame quality trait agronomic trait flowers per leaf axil |
| FundProject:河南省重大科技专项（201300110600）；河南省重点研发与推广专项（202102110026）；国家特色油料产业技术体系项目（CARS-14）；河南省农业科学院基本科研业务费项目（2021ZC69）；河南省农业科学院基础性科研工作（2020JC08，2021JC13） |
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| Abstract: |
| In order to comprehensively analyzing the quality traits among different varieties and types of sesame and the relationship between the quality traits and important agronomic traits, 294 representative sesame varieties were selected and planted in two locations, and four quality traits of sample were tested and evaluated. The differences of the quality traits were compared, and the correlation between different quality traits and the quality traits and agronomic traits were analyzed. The results showed that the means of 294 sesame varieties oil, protein, sesamin and sesamolin contents were 52.77%, 20.41%, 3.10 mg/g and 1.92 mg/g, respectively. The oil and sesamin contents of single-stemmed variety group were very significantly higher than that of branched group, and the protein content was significantly lower than that of branched group, and there was no significant difference in sesamolin content. The oil and sesamin contents of mono-flowered variety group were very significantly lower than that of tri-flowered group, and the sesamolin content was significantly lower than that of tri-flowered group, and protein content was very significantly higher than that of tri-flowered varieties. The oil content had an extremely significant negative correlation with protein content, but showed highly significant positive correlations with sesamin and sesamolin contents. The protein content showed highly significant negative correlations with sesamin and sesamolin contents, and a highly significant positive correlation was also found between sesamin and sesamolin contents.The oil content showed high significant positive correlations with growth period, seed color L* and b* values, but it had high significant negative associations with the 1 000-seed weight, seed length, width, length/width ratio and seed color a* value. The protein content had very significant positive correlations with 1 000-seed weight, seed length, width, and length/width ratio, while it had very significant negative correlations with growth period, seed color L* and b* values, and there was no significant correlation with seed color a* value. The sesamin content had significant or very significant positive correlations with growth period, seed length/width ratio, color L* and b* values, but it had very significant negative correlations with 1000-seed weight and seed length, and there was no significant correlation with seed width and color a* value. The sesamolin content showed high significant positive correlations with growth period, color a* and b* values, but it had highly significant negative correlations with 1 000-seed weight, seed length and width, and there was no significant correlation with seed length/width ratio and color L* value. |
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