利用灰色系统理论对早熟桃果实经济性状的综合评判

利用灰色系统理论对在浙江省金华地区栽培的22个早熟桃果实单果重、可溶性固形物含量、果实硬度、成熟期等8个经济性状进行模糊综合评价。结果显示,春雪、超红桃综合评分为0.634和0.623,综合性状优良,可重点推广;超丽春、海峡佳丽、春蜜、秀玉、金硕、砂红综合性状较优,适合推广;极早518、千年红、早凤王、早霞露、双喜红综合评分中等;以上13个品种综合评判结果均优于金华大白桃(CK1)、大观1号(CK2)。

Comprehensive Evaluation on Fruit Economic Characters of Early-ripening Peach by Using Gray System Theory

This paper conducted the fuzzy comprehensive evaluation on eight economic characters(single-fruit weight,soluble solid content,fruit firmness and mature period,etc.) of the fruits of 22 early-ripening peach varieties cultivated in Jinhua by using gray system theory.The results showed that Chunxue and Chaohong had better comprehensive economic characters,and their comprehensive evaluation scores were 0.634 and 0.623 respectively.These two peach varieties can be emphatically extended.Chaolichun,Haixiajiali,Chunmi,Xiuyu,Jinshuo and Shahong had relatively good comprehensive characters,and they are suitable for being popularized.Jizao 518,Qiannianhong,Zaofengwang,Zaoxialu and Shuangxihong had medium comprehensive evaluation scores.The comprehensive evaluation results of above 13 varieties are better than those of Jinhuadabaitao(CK1) and Daguan No.1(CK2).