广元烟草壮苗培育措施研究.pdfVIP

ofAnhui 安徽农业科学。Journal A画．Sci．2012。40(33)：16079—16080 责任编辑姜丽责任校对卢瑶 广元烟草壮苗培育措施研究 喻晓1，顾会战1，刘克1，李勇2 tabacum 摘要[目的]探讨广元市烟叶(NicotianaL．)壮苗培育措施。[方法]在育苗初期采用集中催芽、浅放池水、水体加热、苗床底部 增温、补充光照的方式进行育苗。[结果]集中催芽出苗的时间最短为18d，相对于对照提前出苗15d左右；补充光照处理的烟株最高， 平均达到10．2cm，比对照要高出2．8cm，在根长度方面补充光照茎径为3．49mill，明显优于对照。[结论]采用前期集中催芽，出苗后进 入大棚进行补充光照，这样生长出来的烟苗能满足壮苗的要求。 关键词烟叶；高茎壮苗；补充光照；集中催芽 中图分类号$572文献标识码A 文章编号0517—6611(2012)33—16079—02 on iIl Measuresof tabacumL．1 Study CultivatingStrongTobacco(NicotianaSeedlingsGuangyuanCity YUXiaoet Tobacco al(GuangyuanCompany，Guangyuan，Sichuan628000) discussthe wasto measuresof tobacco in the Abstract[Objective]Thepurpose cultivatingstro＆Ig soodlingsGuangyuangCity．[Method]In oftobacco werecultivatedconcentrated alittlewaterinto earlydays seedling，theseedlings by pregermination，pouringpool，heatingwater， 18 seedbedbottomandillumination timeofconcentrated wastheshortestabout warming supplement．[Result]Theemergence pregermination 15 than ofillumination treatmentwasthe to10．2 cm CK；the cm，2．8 days，advanceddays plantheight supplement highest，reached higher than thestemdiameterwas3．49 betterthan concentrated atthetobacco CK，and CK．[Conclusion]Usingpregennination mm，significantly inthe illumination whentobaccointo tobacco withthe for seedlingearlydays，thenusing supplement greenhouse，theseedlingssatisfy requires strongseedlings． word