太空莲的特征特性及其高产栽培技术.doc

太空莲的特征特性及其高产栽培技术 广西农业科学2006年第37卷第4期?433? 太空莲的特征特性及其高产栽培技术 梁文育 (柳州市农业科学研究所,广西柳州545003) 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15O～160d,花色艳丽;每公 顷产莲籽25O～3OOkg,菜藕产量也达lO0O~13OOkg;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75Okg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. 关键词:太空莲;特征特性;栽培技术 中图分类号:$645.1文献标识码:B文章编号:1oO2—8161(2006)04--O433一O3 Characteristicsoflotustreatedinskylabanditshigh-yield cultivationtechniques LIANGWen—yu (LiuzhouAgriculturalResearchInstitute,Liuzhou,Guangxi545003,China) Abstract:Lotustreatedinskylabwasintroducedandplantedatmulti—locationsinmiddleGuangxiin2003. Theresultsshowedthatitcharacterizedlonggrowthanddevelopmentperiod,morecolorfulflowersandalong floweringperiodwith150—160days.Theyieldoflotusseedwas250—300kg/hm.andtheyieldofediblelotuswas 1000—1300kg/hm.Thebenefitsfromplantinglotusrhizomewerehighandtheincreasedincomewas10500—15000 RMB/hmascomparedwiththe1oca1variety.The1otuscultivationcouldalsobeusedfortourismandindustrial— izationdevelopment.Thecultivationtechniquesforlotusweresummarizedasfellows:ricefieldwithhighorganic mattercontentand40cmplowlayerorpoundwasselectedtOplantlotusrhizome.Heavybasicfertilizerwasap— pliedbeforeplantingandcalciumoxide750kg/hmwasusedforsterilization.andthenematocideMiralwith 22.5—30.0kg/hmwasappliedtOkillthenematode.Whentheweahertemperaturestableat15℃,thelotusrhizome seedswasplantedwith2m×2mspacing.Thefertilizerswereappliedatsecondleafgrowing,flowerbuddifferenti— ation.floweringandlotusgrowing,andthegrowthoflaterperiodstages.respectively.Reasonableirrigatingand timelyweedingandscarificationwithfertilizationwouldbeconducted.SpodopteraIituraF..aphidandrhizome rotoflotuswerecontrolledintlmeandthelotusseedsandeatablelotusrhizomeshouldbetimelyharvested. Keywords:lotustreatedinskylab;characteristic;cultivationtechniques 太空莲是中国工程学院遗传诱导研究所等单位 通过卫星搭载,太空诱导突变方式育成的莲藕优良 新品种我所于2003年引种试种,经过3年试验观 察,并在桂中地区进行多点