
浙江农业科学 ›› 2026, Vol. 67 ›› Issue (2): 431-437.DOI: 10.16178/j.issn.0528-9017.20240549
邹荣娴1(
), 胡国伟2, 任广兵3, 陶楚冰1, 滕新蕾1, 孟羽1, 肖政1, 赵宏波1(
)
收稿日期:2024-07-08
出版日期:2026-02-28
发布日期:2026-03-07
通讯作者:
赵宏波,E-mail:zhaohb@zafu.edu.cn。
作者简介:邹荣娴,研究方向为园林植物与观赏园艺。E-mail:15088583086@163.com。
基金资助:
ZOU Rongxian1(
), HU Guowei2, REN Guangbing3, TAO Chubing1, TENG Xinlei1, MENG Yu1, XIAO Zheng1, ZHAO Hongbo1(
)
Received:2024-07-08
Online:2026-02-28
Published:2026-03-07
摘要:
为了建立杜鹃花品种暖羊羊的叶片离体再生体系,本研究以其无菌苗叶片为外植体,系统比较了木本植物培养基(WPM)、MS培养基(MS)和1/2 MS这3种基本培养基,玉米素(ZT)、噻苯隆(TDZ)和吲哚丁酸(IBA)3种植物生长调节剂的浓度组合,及叶片放置方式对不定芽诱导和增殖的影响,并进一步探讨了不同浓度的IBA和萘乙酸(NAA)对不定芽生根的影响。结果表明:WPM为最适合的不定芽诱导基本培养基,添加0.1 mg·L-1 TDZ和0.2 mg·L-1 IBA时,不定芽诱导率最高(77.99%);WPM中添加4 mg·L-1 ZT和0.2 mg·L-1 IBA时,增殖系数最高(4.18);叶片背面接种时的诱导率高于叶片正面接种;WPM中添加0.5 mg·L-1 ZT和0.5 mg·L-1 IBA时壮苗效果最好;在1/2 WPM中添加0.8 mg·L-1 NAA时生根率最高(98.38%)。本研究结果为杜鹃花新品种的快繁和遗传转化体系的建立提供技术依据。
中图分类号:
邹荣娴, 胡国伟, 任广兵, 陶楚冰, 滕新蕾, 孟羽, 肖政, 赵宏波. 杜鹃花品种暖羊羊叶片离体再生体系的建立[J]. 浙江农业科学, 2026, 67(2): 431-437.
ZOU Rongxian, HU Guowei, REN Guangbing, TAO Chubing, TENG Xinlei, MENG Yu, XIAO Zheng, ZHAO Hongbo. Establishment of an in vitro leaf regeneration system for Rhododendron molle Nuanyangyang[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(2): 431-437.
| 基本培养基 | 不定芽诱导率/% | 不定芽数 | 不定芽生长情况 |
|---|---|---|---|
| WPM | 41.20±0.96 a | 2.67±0.58 a | ++++ |
| MS | 21.10±0.66 c | 1.35±0.77 b | +++ |
| 1/2 MS | 26.75±0.71 b | 1.14±0.06 b | ++++ |
表1 基本培养基对暖羊羊叶片不定芽诱导的影响
Table 1 Effect of basic medium on the induction of adventitious buds from leaves of Rhododendron molle Nuanyangyang
| 基本培养基 | 不定芽诱导率/% | 不定芽数 | 不定芽生长情况 |
|---|---|---|---|
| WPM | 41.20±0.96 a | 2.67±0.58 a | ++++ |
| MS | 21.10±0.66 c | 1.35±0.77 b | +++ |
| 1/2 MS | 26.75±0.71 b | 1.14±0.06 b | ++++ |
| 处理 | 噻苯隆(TDZ)质量浓度/(mg·L-1) | 玉米素(ZT)质量浓度/(mg·L-1) | 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 不定芽诱导率/% | 不定芽数 | 不定芽生长 状况 |
|---|---|---|---|---|---|---|
| 1 | 0.05 | 0 | 0.1 | 67.86±2.36 b | 5.15±0.08 b | +++ |
| 2 | 0.1 | 0 | 0.2 | 77.99±4.92 a | 6.47±0.17 a | ++++ |
| 3 | 0.2 | 0 | 0.4 | 35.39±2.56 e | 3.26±0.30 c | ++ |
| 4 | 0.4 | 0 | 0.8 | 14.55±2.30 g | 2.30±0.21 d | ++ |
| 5 | 0 | 2 | 0.1 | 42.28±0.83 d | 2.30±1.18 d | ++ |
| 6 | 0 | 4 | 0.2 | 41.20±0.96 d | 2.67±0.58 cd | ++++ |
| 7 | 0 | 6 | 0.4 | 24.34±4.18 f | 2.21±0.19 d | +++ |
| 8 | 0 | 8 | 0.8 | 49.30±1.77 c | 3.41±0.35 c | +++ |
表2 不同植物生长调节剂配比对叶片不定芽的诱导情况
Table 2 Induction of adventitious buds from leaves under different plant growth regulator combinations
| 处理 | 噻苯隆(TDZ)质量浓度/(mg·L-1) | 玉米素(ZT)质量浓度/(mg·L-1) | 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 不定芽诱导率/% | 不定芽数 | 不定芽生长 状况 |
|---|---|---|---|---|---|---|
| 1 | 0.05 | 0 | 0.1 | 67.86±2.36 b | 5.15±0.08 b | +++ |
| 2 | 0.1 | 0 | 0.2 | 77.99±4.92 a | 6.47±0.17 a | ++++ |
| 3 | 0.2 | 0 | 0.4 | 35.39±2.56 e | 3.26±0.30 c | ++ |
| 4 | 0.4 | 0 | 0.8 | 14.55±2.30 g | 2.30±0.21 d | ++ |
| 5 | 0 | 2 | 0.1 | 42.28±0.83 d | 2.30±1.18 d | ++ |
| 6 | 0 | 4 | 0.2 | 41.20±0.96 d | 2.67±0.58 cd | ++++ |
| 7 | 0 | 6 | 0.4 | 24.34±4.18 f | 2.21±0.19 d | +++ |
| 8 | 0 | 8 | 0.8 | 49.30±1.77 c | 3.41±0.35 c | +++ |
| 处理 | 噻苯隆质量浓度(TDZ)/(mg·L-1) | 玉米素质量浓度(ZT)/(mg·L-1) | 吲哚丁酸浓度(IBA)/(mg·L-1) | 增殖系数 | 芽生长状况 |
|---|---|---|---|---|---|
| 1 | 0.05 | 0 | 0.1 | 2.92±0.12 b | ++ |
| 2 | 0.1 | 0 | 0.2 | 1.85±0.06 d | ++ |
| 3 | 0.2 | 0 | 0.4 | 0.97±0.12 e | ++ |
| 4 | 0.4 | 0 | 0.8 | 0.65±0.10 g | ++ |
| 5 | 0 | 2 | 0.1 | 2.26±0.83 c | +++ |
| 6 | 0 | 4 | 0.2 | 4.18±0.49 a | ++++ |
| 7 | 0 | 6 | 0.4 | 2.08±0.64 cd | +++ |
| 8 | 0 | 8 | 0.8 | 0.87±0.19 f | ++ |
表3 不同植物生长调节剂配比下叶片不定芽增殖情况
Table 3 Adventitious shoot proliferation from leaves under different plant growth regulator combinations
| 处理 | 噻苯隆质量浓度(TDZ)/(mg·L-1) | 玉米素质量浓度(ZT)/(mg·L-1) | 吲哚丁酸浓度(IBA)/(mg·L-1) | 增殖系数 | 芽生长状况 |
|---|---|---|---|---|---|
| 1 | 0.05 | 0 | 0.1 | 2.92±0.12 b | ++ |
| 2 | 0.1 | 0 | 0.2 | 1.85±0.06 d | ++ |
| 3 | 0.2 | 0 | 0.4 | 0.97±0.12 e | ++ |
| 4 | 0.4 | 0 | 0.8 | 0.65±0.10 g | ++ |
| 5 | 0 | 2 | 0.1 | 2.26±0.83 c | +++ |
| 6 | 0 | 4 | 0.2 | 4.18±0.49 a | ++++ |
| 7 | 0 | 6 | 0.4 | 2.08±0.64 cd | +++ |
| 8 | 0 | 8 | 0.8 | 0.87±0.19 f | ++ |
| 玉米素(ZT)质量浓度/(mg·L-1) | 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 平均株高/cm | 生长情况 |
|---|---|---|---|
| 0.5 | 0.1 | 2.01±0.36 bc | +++ |
| 1.0 | 0.1 | 1.97±0.27 bcd | ++ |
| 1.5 | 0.1 | 1.62±0.54 de | ++ |
| 0.5 | 0.5 | 2.57±0.38 a | ++++ |
| 1.0 | 0.5 | 2.08±0.56 bc | +++ |
| 1.5 | 0.5 | 1.74±0.58 cd | ++ |
| 0.5 | 1.0 | 2.31±0.41 ab | +++ |
| 1.0 | 1.0 | 2.16±0.74 bc | ++ |
| 1.5 | 1.0 | 1.28±0.69 e | ++ |
表4 不同植物生长调节剂配比下的壮苗情况
Table 4 Seedling growth performance under different plant growth regulator combinations
| 玉米素(ZT)质量浓度/(mg·L-1) | 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 平均株高/cm | 生长情况 |
|---|---|---|---|
| 0.5 | 0.1 | 2.01±0.36 bc | +++ |
| 1.0 | 0.1 | 1.97±0.27 bcd | ++ |
| 1.5 | 0.1 | 1.62±0.54 de | ++ |
| 0.5 | 0.5 | 2.57±0.38 a | ++++ |
| 1.0 | 0.5 | 2.08±0.56 bc | +++ |
| 1.5 | 0.5 | 1.74±0.58 cd | ++ |
| 0.5 | 1.0 | 2.31±0.41 ab | +++ |
| 1.0 | 1.0 | 2.16±0.74 bc | ++ |
| 1.5 | 1.0 | 1.28±0.69 e | ++ |
图3 壮苗与生根培养的状态A,WPM添加0.5 mg·L-1 ZT和0.5 mg·L-1 IBA;B,WPM添加1.0 mg·L-1 ZT和1.0 mg·L-1 IBA;C,WPM添加1.5 mg·L-1 ZT和1.0 mg·L-1 IBA;D,不定芽生根状态。
Fig. 3 Plantlet status during strengthening and rooting culture
| 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 萘乙酸(NAA)质量浓度/(mg·L-1) | 生根率/% | 平均生根数 |
|---|---|---|---|
| 0.4 | 0 | 15.85±0.74 e | 0.15±0.02 e |
| 0.6 | 0 | 62.59±0.48 d | 1.25±0.01 d |
| 0.8 | 0 | 98.29±2.33 a | 2.91±0.09 b |
| 1.0 | 0 | 78.31±1.24 c | 2.19±0.35 c |
| 0 | 0.4 | 5.31±4.61 f | 0.05±0.09 e |
| 0 | 0.6 | 75.60±1.21 c | 3.11±0.12 b |
| 0 | 0.8 | 98.38±2.62 a | 4.17±0.76 a |
| 0 | 1.0 | 86.63±0.95 b | 3.95±0.17 a |
表5 不同植物生长调剂配比下的不定芽生根情况
Table 5 Adventitious bud rooting under different plant growth regulator combinations
| 吲哚丁酸(IBA)质量浓度/(mg·L-1) | 萘乙酸(NAA)质量浓度/(mg·L-1) | 生根率/% | 平均生根数 |
|---|---|---|---|
| 0.4 | 0 | 15.85±0.74 e | 0.15±0.02 e |
| 0.6 | 0 | 62.59±0.48 d | 1.25±0.01 d |
| 0.8 | 0 | 98.29±2.33 a | 2.91±0.09 b |
| 1.0 | 0 | 78.31±1.24 c | 2.19±0.35 c |
| 0 | 0.4 | 5.31±4.61 f | 0.05±0.09 e |
| 0 | 0.6 | 75.60±1.21 c | 3.11±0.12 b |
| 0 | 0.8 | 98.38±2.62 a | 4.17±0.76 a |
| 0 | 1.0 | 86.63±0.95 b | 3.95±0.17 a |
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