植物研究 ›› 2023, Vol. 43 ›› Issue (3): 333-339.doi: 10.7525/j.issn.1673-5102.2023.03.002
安文杰1, 王银杰2, 刘清泉2, 杨永恒2, 张婷2, 范少茹2, 张永侠2(), 原海燕2
收稿日期:
2022-09-29
出版日期:
2023-05-20
发布日期:
2023-06-06
通讯作者:
张永侠
E-mail:zhangyongxia@163.com
作者简介:
安文杰(1978—),女,讲师,主要从事植物应用研究。
基金资助:
Wenjie AN1, Yinjie WANG2, Qingquan LIU2, Yongheng YANG2, Ting ZHANG2, Shaoru FAN2, Yongxia ZHANG2(), Haiyan YUAN2
Received:
2022-09-29
Online:
2023-05-20
Published:
2023-06-06
Contact:
Yongxia ZHANG
E-mail:zhangyongxia@163.com
About author:
E-mail:zhangyongxia@163.comSupported by:
摘要:
以马蔺(Iris lacteal var. chinensis)幼胚为外植体,探究不同时期幼胚及不同植物生长调节剂对愈伤组织、体胚和不定芽诱导的影响。结果表明:在本试验条件下最佳取材时间为授粉后35~45 d,此时,幼胚发育完全但胚乳尚未完全硬化,幼胚剥取容易;愈伤组织最适诱导培养基为MS+1.0 mg·L-1 2,4-二氯苯氧乙酸(2,4-D)+ 0.2 mg·L-1 6-苄氨基嘌呤(6-BA),诱导率为83.33%;最适体胚诱导培养基为MS+0.25 mg·L-1 2,4-D+0.05 mg·L-1 6-BA,诱导率71.67%;最佳不定芽诱导和增殖培养基为MS+1.0 mg·L-1噻苯隆(TDZ)+0.2 mg·L-1萘乙酸(NAA),诱导率为78.33%,增殖系数为3.65;在添加0.1 mg·L-1 NAA的MS培养基上诱导生根,4周后的生根率达95%以上;生根培养4周的植株清洗掉根部培养基后,移栽至经高温消毒的蛭石中培养,成活率达95% 以上。该研究建立了高效的马蔺再生体系,可为马蔺的遗传改良和基因功能研究奠定基础。
中图分类号:
安文杰, 王银杰, 刘清泉, 杨永恒, 张婷, 范少茹, 张永侠, 原海燕. 马蔺幼胚高效再生体系的建立[J]. 植物研究, 2023, 43(3): 333-339.
Wenjie AN, Yinjie WANG, Qingquan LIU, Yongheng YANG, Ting ZHANG, Shaoru FAN, Yongxia ZHANG, Haiyan YUAN. Establishment of an Efficient Regeneration System in Iris lacteal var. chinensis with Immature Embryo[J]. Bulletin of Botanical Research, 2023, 43(3): 333-339.
表1
不同植物生长调节剂对马蔺幼胚愈伤组织的影响
表3
不同植物生长调节剂对马蔺不定芽诱导率及增殖的影响
处理 Treatment | TDZ /(mg·L-1) | 6-BA /(mg·L-1) | NAA /(mg·L-1) | 不定芽诱导率 Induction rate /% | 增殖系数 Proliferation coefficient |
---|---|---|---|---|---|
S1 | 0.5 | 0 | 0.1 | 55.00±5.00b | 1.80±0.25c |
S2 | 1.0 | 0 | 0.2 | 78.33±5.77a | 3.65±0.26a |
S3 | 1.5 | 0 | 0.2 | 68.33±2.89a | 3.45±0.40ab |
S4 | 0 | 0.5 | 0.1 | 33.33±7.64c | 1.30±0.23d |
S5 | 0 | 1.0 | 0.2 | 51.67±2.89b | 2.23±0.10c |
S6 | 0 | 1.5 | 0.2 | 45.00±8.66b | 3.07±0.25b |
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