Bulletin of Botanical Research ›› 2025, Vol. 45 ›› Issue (4): 558-568.doi: 10.7525/j.issn.1673-5102.2025.04.008
• Original Paper • Previous Articles Next Articles
					
													Yingying WANG1, Dengli YU2, Fengjin QIU1, Rongrong YAN1, Guoxiong HU1(
)
												  
						
						
						
					
				
Received:2024-12-13
															
							
															
							
															
							
																	Online:2025-07-20
															
							
																	Published:2025-07-25
															
						Contact:
								Guoxiong HU   
																	E-mail:gxhu@gzu.edu.cn
																					CLC Number:
Yingying WANG, Dengli YU, Fengjin QIU, Rongrong YAN, Guoxiong HU. Tissue Culture and Rapid Propagation of Endangered Salvia petrophila[J]. Bulletin of Botanical Research, 2025, 45(4): 558-568.
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URL: https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2025.04.008
Table 1
Effects of different disinfection treatments on seed germination
编号 Number  | 消毒剂 Disinfectant  | 消毒时间 Disinfection time/min  | 污染率 Contamination rate/%  | 发芽率 Germination rate/%  | 死亡率 Mortality rate/%  | 
|---|---|---|---|---|---|
| 1 | 2% NaClO | 7 | 89.10±0.38a | 8.67±0.33f | 2.23±0.54e | 
| 2 | 2% NaClO | 8 | 83.67±0.88b | 10.17±0.44e | 6.17±0.60d | 
| 3 | 2% NaClO | 9 | 79.00±0.58c | 15.50±0.29d | 5.50±0.50d | 
| 4 | 5% NaClO | 7 | 41.50±0.87d | 32.77±0.64b | 25.73±0.50b | 
| 5 | 5% NaClO | 8 | 37.20±0.42e | 40.83±0.60a | 21.97±1.02c | 
| 6 | 5% NaClO | 9 | 26.33±0.67f | 21.10±0.38c | 52.57+0.35a | 
Table 2
Effects of hormone combinations with different mass concentrations on seed germination rate
编号 Number  | 6-BA/ (mg·L-1)  | NAA/ (mg·L-1)  | 发芽率 Germination rate/%  | 
|---|---|---|---|
| 1 | 0.5 | 0.1 | 11.78±0.15h | 
| 2 | 0.5 | 0.2 | 14.63±0.32g | 
| 3 | 0.5 | 0.3 | 8.43±0.23i | 
| 4 | 1.0 | 0.1 | 71.12±0.20a | 
| 5 | 1.0 | 0.2 | 36.25±0.32b | 
| 6 | 1.0 | 0.3 | 29.60±0.60d | 
| 7 | 1.5 | 0.1 | 32.00±0.58c | 
| 8 | 1.5 | 0.2 | 21.33±0.33f | 
| 9 | 1.5 | 0.3 | 24.67±0.33e | 
Fig.1
Seed germination process of S. petrophilaA. Growth status of S. petrophila seeds inoculated for five days; B. Growth status of S. petrophila seeds inoculated for 10 days; C. Growth status of S. petrophila seeds inoculated for 15 days; D. Growth status of S. petrophila seeds inoculated for one month.
														Table 3
Effects of hormone combinations with different mass concentrations on clustery shoots proliferation
编号 Number  | 6-BA/ (mg·L-1)  | NAA/ (mg·L-1)  | 增殖系数 Proliferation coefficient  | 
|---|---|---|---|
| 1 | 0.5 | 0.1 | 3.57±0.28bcd | 
| 2 | 0.5 | 0.2 | 3.70±0.15bc | 
| 3 | 0.5 | 0.3 | 3.73±0.18bc | 
| 4 | 1.0 | 0.1 | 5.50±0.29a | 
| 5 | 1.0 | 0.2 | 5.27±0.37a | 
| 6 | 1.0 | 0.3 | 4.77±0.15ab | 
| 7 | 1.5 | 0.1 | 2.70±0.35cd | 
| 8 | 1.5 | 0.2 | 2.43±0.47d | 
| 9 | 1.5 | 0.3 | 1.17±0.60e | 
Fig.2
Proliferation of clustery shoots of S. petrophila under the hormone combinations with different mass concentrationsA. The treatment of 0.5 mg·L-1 6-BA and 0.1 mg·L-1 NAA; B. The treatment of 0.5 mg·L-1 6-BA and 0.2 mg·L-1 NAA; C. The treatment of 0.5 mg·L-1 6-BA and 0.3 mg·L-1 NAA; D. The treatment of 1.0 mg·L-1 6-BA and 0.1 mg·L-1 NAA; E. The treatment of 1.0 mg·L-1 6-BA and 0.2 mg·L-1 NAA; F. The treatment of 1.0 mg·L-1 6-BA and 0.3 mg·L-1 NAA; G. The treatment of 1.5 mg·L-1 6-BA and 0.1 mg·L-1 NAA; H. The treatment of 1.5 mg·L-1 6-BA and 0.2 mg·L-1 NAA; I. The treatment of 1.5 mg·L-1 6-BA and 0.3 mg·L-1 NAA.
														Fig.3
Callus induction and differentiation of stem segments of sterile S. petrophila seedlingsA.The stem segments were inoculated onto the callus induction medium for 14 days;B.The callus was inoculated onto differentiation medium for seven days;C.The callus was inoculated onto differentiation medium for 14 days.
														Table 4
Effects of hormone combinations with different mass concentrations on callus induction of S. petrophila
编号 Number  | 6-BA/ (mg·L-1)  | 2,4-D/ (mg·L-1)  | 愈伤组织诱导率 Induction rate/%  | 
|---|---|---|---|
| 1 | 0.5 | 0.5 | 55.28±0.36h | 
| 2 | 0.5 | 1.0 | 69.33±0.44g | 
| 3 | 0.5 | 1.5 | 82.53±0.29e | 
| 4 | 1.0 | 0.5 | 90.33±0.33d | 
| 5 | 1.0 | 1.0 | 97.10±0.21a | 
| 6 | 1.0 | 1.5 | 96.67±0.24ab | 
| 7 | 1.5 | 0.5 | 91.50±0.29c | 
| 8 | 1.5 | 1.0 | 74.97±0.29f | 
| 9 | 1.5 | 1.5 | 95.60±0.31b | 
| CK | 0 | 0 | 0 | 
Table 5
Effects of hormone combinations with different mass concentrations on callus differentiation
编号 Number  | 6-BA/ (mg·L-1)  | NAA/ (mg·L-1)  | 愈伤组织分化率 Callus differentiation rate/%  | 
|---|---|---|---|
| 1 | 1.0 | 0.1 | 97.67±1.20a | 
| 2 | 1.0 | 0.2 | 39.33±0.67c | 
| 3 | 1.0 | 0.3 | 60.97±0.58b | 
| 4 | 1.5 | 0.1 | 98.57±0.76a | 
| 5 | 1.5 | 0.2 | 60.97±0.58b | 
| 6 | 1.5 | 0.3 | 41.60±0.83c | 
| 7 | 2.0 | 0.1 | 60.67±0.67b | 
| 8 | 2.0 | 0.2 | 98.50±1.04a | 
| 9 | 2.0 | 0.3 | 39.03±0.48c | 
Table 6
Effects of hormone combinations with different mass concentrations on adventitious bud rooting of S. petrophila
编号 Number  | IBA/ (mg·L-1)  | NAA/ (mg·L-1)  | 生根率 Rooting rate/%  | 生长情况 Growth condition  | 
|---|---|---|---|---|
| 1 | 0.1 | — | 82.22±0.55d | 叶片发黄,根系杂乱 The leaves were yellow,and the roots were disorganized  | 
| 2 | 0.5 | — | 96.11±0.56b | 叶片舒展,根系分明 The leaves were spread out,and the roots were distinct and clear  | 
| 3 | 1.0 | — | 90.64±0.32c | 叶片较小,根系细弱 The leaves were small,and the roots were delicate and weak  | 
| 4 | — | 0.1 | 80.89±0.49d | 叶片舒展,根系分明 The leaves were spread out,and the roots were distinct and clear  | 
| 5 | — | 0.5 | 92.33±0.51c | 叶片卷曲,根系细长 The leaves were curled,and the roots were slender and long  | 
| 6 | — | 1.0 | 99.11±0.49a | 叶片舒展,根系分明 The leaves were spread out,and the roots were distinct and clear  | 
Fig.5
Refined and transplanted tissue-culture seedlings of S. petrophilaA.The seedlings of S. petrophila from the tissue culture bottle;B.The growth status after transplanting for seven days;C.The growth status after transplanting for 20 days;D.The growth status after transplanting for two months.
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