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对祁阳县油茶现有林分的光合性能指标进行了分析研究。结果表明,粗放经营模式下油茶成年林分的净光合速率呈“双峰”;不同品种类型、不同立地条件和不同改造措施下的油茶林分在净光合速率、水分利用率、气孔限制值等生理指标方面存在明显的差异,这些生理指标的综合作用决定了油茶的光合特性;垦复加施肥的改造方式对改善油茶光合性能具有很好的作用;土壤肥力对油茶光合性能影响亦大;红球品种类型的光合效能最好。
Photosynthetic characteristics of existing stands in Qiyang camellia were analyzed. The results showed that the net photosynthetic rate of Camellia oleifera grown in extensive management mode was “double peak”; the net photosynthetic rate, water use efficiency, stomatal limitation of Camellia oleifera forest under different types of cultivars, different site conditions and different transformation measures Value and other physiological indicators of significant differences, the combined effect of these physiological indicators determine the photosynthetic characteristics of Camellia oleifera; reclamation plus fertilizer transformation methods to improve the photosynthetic properties of Camellia has a good effect; soil fertility on the photosynthetic properties of Camellia also large ; Red varieties of the best photosynthetic efficiency.