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合理—满意度法筛选优良罗望子种质资源
作者: 赵琼玲  张梦寅  瞿文林  马开华  代建菊  雷 虓  沙毓沧*  段曰汤*  
单位: (云南省农业科学院 元谋热区生态农业研究所  云南 元谋 651300)  
关键词: 罗望子  主成分分析  合理—满意度  果实品质  
分类号:Q949.7519
出版年,卷(期):页码:2017 ,48 ( 5 ): 页码:774-779
摘要:

【Objective】Fruit quality and trait indicators of Tamarindus indica L. germplasm resources were comprehensively evaluated to provide reference for development and utilization of T. indica L. 【Method】Principal component analysis were used to simplify 15 quality and trait indicators for 16 T. indica L. germplasm resources. Reasonable weights were given on each quality and trait indicator using rationalization-satisfaction method, then complex rationalization-satisfaction values were calculated and development values of each germplasm resource were analyzed. 【Result】Calcium, iron and copper contents were the highest in T. indica L. 8(calcium content was 2406.33 mg/kg). Its rationalization-satisfaction score was the highest(0.661), and the nutrient value was high. T. indica L. 9 ranked the second in terms of rationalization-satisfaction score(0.646). It contained high soluble solid content and total sugar and low total acid content. Weight of single fruit was above the moderate level. T. indica L. 3 had the largest weight of single fruit(19.69 g), its flavor was sour, edible rate was at moderate level, the rationalization-satisfaction score(0.634) ranked the third. Rationalization-satisfaction score(0.275) of T. indica L. 13 was the lowest, and its complex utilization value was the worst. 【Conclusion】T. indica L. 8 contains the highest calcium content, and can be developed as juice or jam. T. indica L. 9 contains high total sugar content and good flavor, the comprehensive quality is superior, therefore, it can be developed as dried fruit. Other germplasm resources contain different traits. Orientation breeding can be applied on them to upgrade the resources.

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