三亚铁皮石斛引种栽培低成活率原因分析

对从云南普洱引进的红皮软脚品种铁皮石斛在三亚地区引种栽培过程中出现的大量病虫害和成活率低的原因进行分析,并提出相应的对策。栽培成活率低的原因是管理不当、病虫害防治难、栽培时间不适宜、栽种基质处理不当,以及种苗小、运输栽种周期过长。采取的对策包括:对铁皮石斛小苗进行穴盘种植、对基质进行消毒杀菌处理、采用"大喷"与"小喷"相结合的水分管理方式、加强病虫害防治工作、适时栽培。

Analysis on Causes of Low Survival Rate of Dendrobium officinale Introduction and Cultivation in Sanya

The causes for a large number of diseases,insect pests and low survival rate in cultivation process of Dendrobium officinale in Sanya introduced from Pu’ er,Yunnan were analyzed,including improper management,cultivation time,matrix treatment,difficulty in prevention and control of diseases and insect pests,as well as small seedlings,too long period for transport planting.Corresponding countermeasures were pro-posed: plug planting was conducted on Dendrobium officinale seedlings,disinfection and sterilization was carried out on matrix ,water management mode combining “big spray” and “small spray” was adopted,prevention and control for diseases,insect pests was strengthened,cultivation was conducted at proper time.