【摘要】 2003年引进太空莲在桂中地区进行多点试种,表现生育期长,花多,花期长达150~160d,花色艳丽;每公顷产莲籽250~300kg,菜藕产量也达1000~1300kg;种植效益高,每公顷太空莲比本地种增收10500~15000元,是旅游观光及产业化开发的优良品种。栽培技术:选择有机质含量高、耕作层40cm左右的水稻田或鱼塘种植,种前施足基肥,每公顷撒施750kg生石灰消毒,并撒入22.5~30kg米乐尔灭杀线虫;气温稳定在15℃时定植,种植规格2m×2m;分期合理施用立叶肥、始花肥、花莲肥和后劲肥;科学灌水;结合施肥适时耘莲除草;注意防治斜纹夜蛾、蚜虫和莲腐败病;适时采收莲籽和菜藕。更多还原

【Abstract】 Lotus treated in skylab was introduced and planted at multi-locations in middle Guangxi in 2003.The results showed that it characterized long growth and development period,more colorful flowers and a long flowering period with 150-160 days.The yield of lotus seed was 250-300kg/hm~2,and the yield of edible lotus was 1000-1300kg/hm~2.The benefits from planting lotus rhizome were high and the increased income was 10500-15000 RMB/hm~2 as compared with the local variety.The lotus cultivation could also be used for tourism and industrialization development.The cultivation techniques for lotus were summarized as fellows: rice field with high organic matter content and 40 cm plow layer or pound was selected to plant lotus rhizome.Heavy basic fertilizer was applied before planting and calcium oxide 750kg/hm~2was used for sterilization,and the nematocide Miral with(22.5-30.0)kg/hm~2 was applied to kill the nematode.When the weaher temperature stable at 15℃,the lotus rhizome seeds was planted with 2m×2m spacing.The fertilizers were applied at second leaf growing,flower bud differentiation,flowering and lotus growing,and the growth of later period stages,respectively.Reasonable irrigating and timely weeding and scarification with fertilization would be conducted.Spodoptera Iitura F.,aphid and rhizome rot of lotus were controlled in time and the lotus seeds and eatable lotus rhizome should be timely harvested.更多还原