不同品种丁香开花习性统计分析

丁香是重要的绿化树种,其开花习性除因每年春季气候不同而有差异之外,也取决于品种间的差异。通过对包头地区14个丁香品种的开花初期、盛期、末期3个生长时期的调查和统计,结果表明,不同种类的丁香适应性差异较大,其中羽叶丁香和花叶丁香表现最差,未见开花结实;紫丁香开花最早,约在5月1日左右;最晚为暴马丁香,在6月16日左右。对开花初期与花期接近的紫云丁香等7个品种的花期通过SPSS软件进行Duncan单因素方差分析(α=0.01),品种间差异显著。

Statistic Analysis on the Flowering Characters of Syringa spp

Syringa spp is important in afforestation and its flowering characters show great difference among its species. They are not only on the account of the climate, but also on the species. The results obtained by investigating flowering features of the 14 species of Syringa in Baotou city through three years indicated that the characteristices of different species have obvious varieties. S pinnatifolia and S persica did not flower. S oblata flowered the earliest around May 1st and S amurensis flowered the late...