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通过观察记录不同驯化苗龄铁皮石斛(Dendrobium officinale)在不同山势环境、不同树皮性状附主的附树栽培成活率和生长差异,研究铁皮石斛在粤北高海拔山区天然次生林中的活树附生栽培技术。结果表明,在设施大棚内驯化约1 a的苗养分积累充分,抗逆性、生长势、适应野外环境能力较强,用作活树附生仿野生栽培种苗最适时;在试验地环境下,山脊线空气流通,水分适中,散射光充足,苗的长势最好;光滑树皮树干附生的铁皮石斛苗比粗糙树皮树干生长更好,枝叶更茂盛,根系更发达。附生树种表皮性状对铁皮石斛可能主要起到支撑和持水作用,而自然环境的空气对流、光照、湿度与降水量是影响铁皮石斛野外生长的主要因素。
The survival rate and growth difference of Dendrobium officinale seedlings in different mountain environments and different bark traits were recorded and observed. The live tree species of Dendrobium officinale in natural secondary forests in northern Guangdong were studied. Epiphytic cultivation techniques. The results showed that the seedlings acclimated for about 1 year in the greenhouse had adequate accumulation of nutrients, stress resistance, growth potential and ability to adapt to the wild environment. , The ridge line of air circulation, moderate water, adequate light scattering, seedlings grow best; smooth bark trunk epiphytic Dendrobium grow better than the rough bark trunks, foliage more flourishing, more developed roots. The epidermal traits of epiphytic tree species may play a major role in supporting and holding water to Dendrobium candidum, while air convection, light, humidity and precipitation in natural environment are the main factors affecting the growth of Dendrobium candidum.