植物生长调节剂复配对白芷幼苗生长及早期抽薹构成的影响  

Effects of Plant Growth Regulators Mixture on the Growth of Angelica dahurica Seedlings and the Composition of Early Bolting

作　　者：吴萍[1] 郭俊霞[1] 王晓宇[1] 张松林 龚卿 李青苗[1] WU Ping;GUO Junxia;WANG Xiaoyu;ZHANG Songlin;GONG Qing;LI Qingmiao(Institute of TCM Medicinal Resources and Cultivation,Sichuan Academy of Traditional Chinese Medicine Sciences/Sichuan Genuine Medicinal Materials System Development Engineering Technology Research Center/Sichuan Key Laboratory of Quality and Innovation of Traditional Chinese Medicine,Chengdu,Sichuan 610041;School of Pharmacy,Chengdu University of Traditional Chinese Medicine,Chengdu,Sichuan 611137)

机构地区：[1]四川省中医药科学院中药资源与种植研究所,四川省道地药材系统开发工程技术研究中心,中药材品质及创新中药研究四川省重点实验室,四川成都610041 [2]成都中医药大学药学院,四川成都611137

出　　处：《北方园艺》2023年第2期88-95,共8页Northern Horticulture

基　　金：四川省基本科研业务专项资助项目(2021JDKY0013,A2021N7);四川省科技计划资助项目(2020YFQ0054,2021YFYZ0011);四川省重点研发资助项目(2022YFS0582);重庆市科技计划资助项目(cstc2020jscx-cylhX0008)。

摘　　要：以白芷幼苗为试材,采用正交实验设计方法,设置烯效唑(S3307)、脱落酸(ABA)、青鲜素(MH)、矮壮素(CCC)4种植物生长调节剂的不同组合共计16个处理,通过测定生物量、抗氧化酶活性、丙二醛(MDA)含量以及抽薹率等指标,研究了植物生长调节剂复配对白芷幼苗生长及早期抽薹发生的影响,以期为白芷早期抽薹调控提供参考依据。结果表明:不同组合对白芷幼苗株高、地上部鲜质量、根长、根鲜质量、根冠比、超氧化物歧化酶(SOD)活性、过氧化物酶(POD)活性、MDA含量均有显著影响。4种生长调节剂中矮壮素(CCC)引起株高及地上部鲜质量的变化最大,且在复配比中的占比与株高呈负相关,与地上部鲜质量呈正相关。4种生长调节剂对抽薹率影响的主次顺序是青鲜素(MH)>烯效唑(S3307)>矮壮素(CCC)>脱落酸(ABA)。抽薹率与地上部鲜质量、根鲜质量呈显著正相关,与株高、根长、SOD活性呈正相关,与根冠比、POD活性、MDA含量呈负相关。控制抽薹率最佳组合为40 mg·L^(-1)烯效唑(S3307)+40 mg·L^(-1)脱落酸(ABA)+2000 mg·L^(-1)青鲜素(MH)+0 mg·L^(-1)矮壮素(CCC)。Taking Angelica dahurica seedlings as test materials,an orthogonal experimental design was used to set a total of 16 treatments with different mixtures of 4 plant growth regulators,niconazole(S3307),abscisic acid(ABA),chloramphenicol(MH),and chlorophyll(CCC)by measuring the biomass,antioxidant enzyme activity,MDA content,bolting rate and other indicators.The effects of plant growth regulators mixture on the growth of Angelica dahurica seedlings and the occurrence of early bolting were studied,in order to provide reference for the early bolting of Angelica dahurica.The results showed that different mixtures had significant effects on plant height,aboveground fresh weight,root length,root fresh weight,root-shoot ratio,POD activity,SOD activity and MDA content of Angelica dahurica seedlings.Among the four growth regulators,CCC caused the greatest changes in plant height and aboveground fresh weight,and its proportion in the mixture ratio was negatively correlated with plant height and positively correlated with aboveground fresh weight.The primary and secondary order of the effects of the four growth regulators on the bolting rate was,penicillin(MH)>niconazole(S3307)>chlorophyll(CCC)>abscisic acid(ABA).The bolting rate was significantly positively correlated with the aboveground fresh weight and root fresh weight,positively correlated with plant height,root length and SOD activity,and negatively correlated with root shoot ratio,POD activity and MDA content.The best combination to control the bolting rate was 40 mg·L^(-1)niconazole(S3307)+40 mg·L^(-1)abscisic acid(ABA)+2000 mg·L^(-1)cyanidin(MH)+0 mg·L^(-1)chameleon(CCC).

关 键 词：白芷 植物生长调节剂 早期抽薹 正交实验 

分 类 号：S853.75[农业科学—临床兽医学]