大果甜杨桃塑料大棚栽培技术

Cultivation techniques for big sweet fruit variety of carambola ( Averrhora carabola L.) in shed covered with plastic film.

采用塑料大棚栽培大果甜杨桃,需建设高标准的钢管塑料大棚果园,注意营养施肥、整枝修剪、保花、保果、疏果和套袋,加强病虫害防治,对棚膜温度、湿度、气体、光照进行调控。定植当年挂果,产量为5 70 0 kg/hm2 ,第三年达6 0 6 0 kg/hm2 ,比露地栽培提早成熟30～4 0 d或迟熟5 0～6 0 d,年挂果期8～10个月。

With the cultivated techniques of shed built with steel tubes and plastic film at high standard, and taking the measures of reasonable fertilization, pruning the plants, keeping sufficient numbers of flowers and fruits, covering the fruits in bags, strengthening diseases and pests controlling, and taking care regulation of temperature, humidity, air, light in the sheds, the big sweet fruit variety of carambola ( Averrhora carabola L.) could bear fruits with the yield of 5700kg/hm 2 in the same year of planting, and the yielding reached 6060kg/hm 2 three years after planting. The harvest time of the fruits was 30~40days earlier or 50~60 days later than those planted naturally with bearing duration of 8~10 months.