[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(05):76-80.[doi:10.11942/j.issn1002-2767.2020.05.0076]
基于AHP法的细柄阿丁枫优株综合评价
- 文献标志码:
- A
- 摘要:
- 为加快常绿树种细柄阿丁枫良种化进程,缓解区域性常绿阔叶行道树的结构性矛盾,运用层次分析法初步构建了细柄阿丁枫3级综合评价模型,从生长性、观赏性和抗性等方面对38株6年生细柄阿丁枫优良单株的应用价值进行了评估。结果表明:树冠茂密度、紧凑度和整齐度是影响细柄阿丁枫应用价值的主要因子。根据AHP评价结果,将38株优良单株划分为4个等级:Ⅰ级优株1株,得分最高(3.71分),干形、冠形、生长速度和耐寒程度均最优,应用价值最高;Ⅱ级优株19株(3.0~3.5分),干形、冠形、生长速度次于Ⅰ级优株,但叶色观赏价值较高;Ⅲ级优株14株(2.5~3.0分),冠幅最大,其他指标次于Ⅰ级和Ⅱ级优株;Ⅳ级优株4株(2.0~2.5分),生长速度最慢,干型和冠形观赏性能较差,但叶片较大,且部分幼叶呈红色。
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备注/Memo
收稿日期:2020-01-15