植物延缓剂PP_(333)和B_9对菘蓝试管苗生长的影响  

Effect of PP333 and B9 on Growth of Test-tube Plantlets in Isatis Indigotica Fort.

作　　者：张胜珍[1] 客绍英[1] 马作东[1] 马艳芝[1] 

机构地区：[1]唐山师范学院生命科学系,河北唐山063000

出　　处：《西南农业学报》2009年第5期1428-1431,共4页Southwest China Journal of Agricultural Sciences

基　　金：河北省科技攻关项目"河北省药用植物-菘蓝优良品种的选育"(05276416);唐山市科技攻关项目"唐山市中药创新及产业化基础建设-黄芪和板蓝根药材优良品种的培育"(03132001A)

摘　　要：为提高菘蓝试管苗质量和移栽成活率,研究了不同浓度的PP333（1～6 mg/L）和B9（10～60 mg/L）对菘蓝种子萌发及试管苗壮苗和生根的影响。结果表明：B9浓度除20 mg/L外,其余浓度均促进菘蓝种子萌发。B9对菘蓝试管苗具有延缓生长的作用。适宜浓度的B9处理（20 mg/L）可使试管苗矮化,生长健壮,提高生根率及生根数量。而菘蓝试管苗对PP333极为敏感,在低浓度下（≤2 mg/L）即对菘蓝试管苗的生长产生强烈抑制,高浓度下（≥4 mg/L）菘蓝试管苗大量死亡。Different concentrations of PP333 and B9 were tested in seed germination of Isatis indigotica Fort and growth of the test-tube plantlets to improve its test-tube plantlet quality and transplanting survival rate.The results showed that the tested concentrations of B9 could promote its seed germination except 20 mg/L concentration,B9 could delay growth of test-tube plantlets and B9 with 20 mg/L concentration could reduce height of test-tube plantlets and raise its rooting rate and root number.The test-tube plantlets were very susceptible to PP333.The growth of test-tube plantlets were strongly inhibited when PP333 concentration was below 2 mg/L and the high concentration of PP333（≥4 mg/L） could result in death of test-tube plantlets.

关 键 词：菘蓝 试管苗 PP333 B9 

分 类 号：R282.2[医药卫生—中药学]