美国红叶樱花引种试验研究

America red cherry blossom introduction experiment research

文章系统阐述了美国红叶樱花在宁夏固原市引种后各方面的表现。通过对引种后物候期、成活率、适应性、病虫害等因素的对比分析,结论为彭阳县红河乡的物候期整体要比原州区头营镇早5~10 d,成活率明显高于原州区头营镇;彭阳县红河乡1~3年生苗的新梢生长量、地径和树高均高于原州区头营镇,适应性也远远优于原州区头营镇;喷施ABA要比喷施PP333或PP333＋ABA更能促进苗木木质化程度;两个试验点的红叶樱花均表现为抗病能力强。总体来说,美国红叶樱花适合在彭阳县境内引种,苗龄以3年生以上苗更易适应,可以大面积引进栽培。

This article system elaborated the America red cherry blossom in Ningxia Guyuan after the introduction of various aspects of performance, mainly analyzes the phenological period, survival rate after introduction, adaptability, plant diseases and insect pests, and so on and so forth. Conclusion for Honghe village in Pengyang county phenophase overall than the Touying town in Yuanzhou District about 5- 10 days earlier, the survival rate is significantly higher than the original state Touying ; Honghe village in Pengyang 1- 3 years seedlings of new shoots, diameter and tree height are higher than the Touying town in Yuanzhou, adaptability and is much better than the Touying town in Yuanzhou; Spraying ABA than spray- ing PP333 or PP333 ＋ ABA can promote seedling lignification degree; Two sites America red cherry blossom all show the disease ~ resistant ability. In general, American red cherry blossom with seedling age of more than 3 years is more likely to be introduced in Pengyang County, which can be cultivated in large area.