| 16个油用亚麻新品系的农艺及品质性状综合评价 |
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| 引用本文： | 侯静静,晋芳,赵利,王斌.16个油用亚麻新品系的农艺及品质性状综合评价[J].作物杂志,2022,38(5):42-85. |
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| 作者姓名： | 侯静静 晋芳 赵利 王斌 |
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| 作者单位： | 1甘肃省农业科学院作物研究所,730070,甘肃兰州2全国农业技术推广服务中心,100125,北京 |
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| 基金项目： | 国家特色油料产业技术体系(CARS-14-1-03);国家自然科学基金(32160497);国家自然科学基金(32160499) |
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| 摘 要： | 为筛选油用亚麻新品种,提高育种效率,以张亚2号和陇亚13号为对照,连续2年对16个油用亚麻新品系的农艺和品质性状进行测定分析、相关性分析和DTOPSIS法综合评价。结果表明,农艺性状中,株高的变异系数最小,分茎数的变异系数最大。品质性状中,亚油酸变异系数最小,硬脂酸变异系数最大。相关性分析显示,单株果数和单株粒重呈极显著正相关;产量与单株果数、单株粒重和株高呈显著正相关;亚麻酸与硬脂酸、棕榈酸与油酸呈极显著负相关;粗脂肪与分茎数和单株粒重呈显著正相关,与工艺长度呈极显著负相关。DTOPSIS综合评价分析得出,6个新品系的相对接近度（Ci）均大于2个对照品种;品系R104的Ci大于张亚2号,低于陇亚13号;其余9个品系的综合性状均低于2个对照品种。品系R161、R99、R46、R96、R104-1和R41综合性状优良,高产优质,适宜在西北地区推广种植。
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| 关 键 词： | 油用亚麻 新品系 性状 DTOPSIS法 综合评价 |
| 收稿时间： | 2022-01-17 |
Comprehensive Evaluation of Agronomic and Quality Traits of 16 New Oil Flax Lines |
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| Hou Jingjing,Jin Fang,Zhao Li,Wang Bin.Comprehensive Evaluation of Agronomic and Quality Traits of 16 New Oil Flax Lines[J].Crops,2022,38(5):42-85. |
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| Authors: | Hou Jingjing Jin Fang Zhao Li Wang Bin |
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| Affiliation: | 1Crop Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China2National Agricultural Technology Extension Service Center, Beijing 100125, China |
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| Abstract: | In order to screen new oil flax (Linum usitatissimum L.) varieties and improve the breeding efficiency, the agronomic and quality traits of 16 new oil flax lines were measured and analyzed, and correlation analysis and comprehensive evaluation by DTOPSIS method were carried out with Zhangya 2 and Longya 13 as controls for two consecutive years. The results showed that among agronomic traits, the variation coefficient of plant height was the smallest and that of stem number was the largest. Among the quality traits, the variation coefficient of linoleic acid was the smallest and that of stearic acid was the largest. Correlation analysis showed that the capsule number per plant and the seeds weight per plant were extremely significantly positively correlated. The yield was significantly positively correlated with the capsule number per plant, the seeds weight per plant and plant height. Linolenic acid was significantly negatively correlated with stearic acid, palmitic acid and oleic acid. Crude fat was significantly positively correlated with stem number and the seeds weight per plant, and extremely significantly negatively correlated with stem length. DTOPSIS comprehensive evaluation and analysis showed that the Ci values of six new lines were greater than that of two control varieties, and line R104 was better than Zhangya 2 and lower than Longya 13; the comprehensive traits of the other nine lines were lower than two control varieties. We screened out the lines R161, R99, R46, R96, R104-1 and R41 with excellent comprehensive traits, high yield and good quality, which are suitable for planting in Northwest China. |
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| Keywords: | Oil flax New lines Traits DTOPSIS method Comprehensive evaluation |
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