|本期目录/Table of Contents|

[1]罗培润,樊玥,谢倩,等.CCC和B9对杜鹃花芽诱导及其形态结构和生理生化的影响[J].江苏农业科学,2024,52(9):204-212.
 Luo Peirun,et al.Effects of CCC and B9 on bud induction,morphological structure,physiology and biochemistry of Rhododendron[J].Jiangsu Agricultural Sciences,2024,52(9):204-212.
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CCC和B9对杜鹃花芽诱导及其形态结构和生理生化的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第52卷
期数:
2024年第9期
页码:
204-212
栏目:
园艺与林学
出版日期:
2024-05-05

文章信息/Info

Title:
Effects of CCC and B9 on bud induction,morphological structure,physiology and biochemistry of Rhododendron
作者:
罗培润樊玥谢倩王威陈清西
福建农林大学园艺学院,福建福州 350002
Author(s):
Luo Peirunet al
关键词:
杜鹃生长抑制剂花芽诱导矮壮素丁酰肼形态结构生理生化
Keywords:
-
分类号:
S685.210.1
DOI:
-
文献标志码:
A
摘要:
以杜鹃为试材,采用析因试验和单因素试验将生长抑制剂矮壮素(CCC)、丁酰肼(B9)喷施于杜鹃叶片上,对杜鹃进行花芽诱导,研究生长抑制剂CCC、B9对杜鹃花芽外部形态、内部分化结构及生理生化指标(可溶性糖含量、淀粉含量、可溶性蛋白含量、叶绿素含量及内源激素含量)变化的影响,以期为进一步研究公园绿化用杜鹃花期调控技术提供参考依据。结果表明,与对照(清水)相比,喷施不同浓度CCC、B9均可不同程度地诱导花芽提早形成,花芽形成率提高了245~15.73百分点,花芽形成时间缩短了14.00~27.83 d,但花芽形成高峰期时间、花芽形成持续时间差异不显著。其中,以2 000 mg/L CCC处理的效果最佳,花芽形成率较对照显著提高了15.73百分点(P<0.05),花芽形成时间较对照缩短了27.83 d,花芽形成高峰期时间、花芽形成持续时间与对照间的差异不显著。CCC处理可显著提高杜鹃叶片可溶性糖、淀粉、可溶性蛋白和叶绿素a、叶绿素b、总叶绿素及玉米素(ZT)含量,抑制杜鹃叶片赤霉素(GA3)、生长素(IAA)合成,使ZT/GA3、ZT/IAA、ABA/GA3和ABA/IAA值均显著提高。在杜鹃花芽形成过程中,花芽外部形态与内部分化结构存在对应关系,CCC处理能够促进杜鹃花芽分化,增加花原基数量。由研究结果看出,在谢花后30 d喷施2 000 mg/L CCC是诱导杜鹃花芽形成、调控花期的一项重要措施。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-06-20
基金项目:福建农林大学横向科技创新基金(编号:102-KHF200005);福建农林大学科技创新专项基金(编号:CXZX2018087);福建省花卉苗木品种引进与研发创新项目(编号:H2014015)。
作者简介:罗培润(1997—),女,福建三明人,硕士研究生,主要从事花卉生理生化研究。E-mail:675692537@qq.com。
通信作者:陈清西,博士,教授,主要从事园艺植物栽培生理研究。E-mail:cqx0246@163.com。
更新日期/Last Update: 2024-05-05