北方乔化果树的观赏特性及其园林应用建议
2021-03-08蒋建兵王玺
蒋建兵 王玺
摘 要:以蘋果树、梨树、桃树、杏树、枣树和核桃树等北方常见乔化树种为例,系统梳理了各个树种独特的观赏特性,并分析了这些树种在庭院绿化、道路绿化和公园、景区绿化中的应用价值,最后根据果树作为园林绿化树种的特殊性,提出了要遵循“适地适树”、注重树种的合理搭配、兼顾树种的观赏性和抗逆性等规划建议。
关键词:乔化果树;观赏特征;建议
文章编号:2096-8108(2021)01-0076-03 中图分类号:S66 文献标识码:A
Abstract:Taking apple tree, pear tree, peach tree, apricot tree, jujube tree and walnut tree as examples, the unique ornamental characteristics of each tree species were systematically sorted out, and the application value of these tree species in garden greening, road greening, park greening and scenic are greening were analyzed. Finally, according to the particularity of fruit trees as garden greening tree, it was proposed to follow the principle of “suitable tree for suitable site” paying attention to the reasonable collocation of tree species, considering the ornamental and stress resistance of tree species.
Keywords:arborized fruit trees;ornamental characteristics;suggestions
我国北方地区有着丰富的果树资源,这些果树资源不但能生产美味的果实以供人们食用,而且其独特的观赏特性也能呈现多姿多彩的园林景观效果。因此,北方果树也是北方地区园林景观设计的重要元素之一。本文以北方常见乔化果树为例系统梳理北方果树资源的观赏特性及其园林应用实践,既有利于拓展园林景观树种的多样性,也能有效挖掘北方果树资源的经济价值。
1 北方常见果树的观赏特性
从观赏特性的角度看,北方常见乔化果树主要以观形、观树干、观花和观果为主。北方乔化果树多为落叶乔木,树干高3~5 m,主干挺拔、枝繁叶茂、树形匀称优美,多有朴素、浑实之感;北方乔化果树的花期以春夏为主,花色各异,有的以多取胜,有的以色取胜;北方果树最主要的观赏特性是观果,夏秋两季,累累果实以品种不同而形态各异,给人艳丽而丰硕的美感。
1.1 苹果树
苹果树是蔷薇科苹果属的树种,落叶乔木,树干3~6 m,树形以纺锤形为主,树皮灰褐色,成年树皮有不规则的纵列,单叶互生,叶片椭圆形、有锯齿,伞房花序,花瓣白中带粉,果实和花期因品种不同而各异,花期分布在4-5月,果实成熟期分布在7-11月[1]。……
