基于层次分析和熵值法的苹果杂交F_1代果实性状综合选择模式研究

Study on Comprehensive Selection of Fruit Characters in Apple Progenys by the Method of Analytic Hierarchy Process and Entropy

以"富士"和"粉红女士"多年的果实性状平均表现和预期育种目标为基础,利用数学统计方法、层次分析法和熵值法对其杂交后代选择标准进行评价。结果表明:以果色、果型、风味作为选择的主要依据,确定了单果重、果形指数、果实硬度、糖酸比等12个适宜性评价指标,采用5级评分制对各指标进行量化分级,运用层次分析法和熵值法确定了各指标的综合权重,为苹果杂交F1代果实性状综合选择提出了一个完整的评价指标体系和数量化评价模型。

Based on the several year average characters and expected breeding goals of ＇Fuji＇×＇Pinklady＇,the selective standards of filial generation were evaluated by the method of analytic hierarchy process and entropy.The results showed that a set of twelve characters for selection such as weight of single fruit,index of fruit shape,firmness and so on,were formulated as the suitability indicators of hybrids.A five-graded method was adopted to quantitatively evaluate each index of hybrid and hierarchic analysis as well as adopted to determine weight of each index.A set of indices as well as quantitative model for evaluating the fruit characters of hybrids were developed.The practice proved that this model was useful for apple breeding.