HAN Rong,ZHANG Tian,LIU Xiaojuan.Study on Drought Resistance of Four Species of Salvia officinalis[J].Northern Horticulture,2024,(7):43-49.[doi:10.11937/bfyy.20233454]
四种唇形科鼠尾草属园林地被植物抗旱性研究
- Title:
- Study on Drought Resistance of Four Species of Salvia officinalis
- 文章编号:
- 1001-0009(2024)07-0043-07
- Keywords:
- garden plant; Salvia; drought stress; physiological index
- 分类号:
- S 688.4
- 文献标志码:
- A
- 摘要:
- 以一年生的彩苞鼠尾草(Salvia viridis)、蓝花鼠尾草(Salvia farinacea)、红花鼠尾草(Salvia coccinea)、林下鼠尾草(Salvia nemorosa L.)实生苗为试材,采用缓慢干旱的方法,研究了其在特定条件下的叶片相对含水量、叶绿素(a+b)总含量、叶片丙二醛(MDA)含量和叶片超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)活性等指标的变化规律,以期为鼠尾草在兰州的引种、栽培和生态适应性提供参考依据。结果表明:4种鼠尾草的抗旱生理指标的变化并非完全一致,叶片相对含水量和叶绿素总含量整体上呈现下降的趋势;CAT活性呈上升的趋势;而MDA含量和SOD、POD活性呈现先升后降的趋势。利用模糊数学隶属函数法对4种鼠尾草抗旱能力进行综合评价,抗旱性能力强弱顺序为彩苞鼠尾草>红花鼠尾草>蓝花鼠尾草>林下鼠尾草。
- Abstract:
- Taking annual Salvia viridis,Salvia farinaceae,Salvia coccina,and Salvia nemorosa L.seedlings as test materials,the relative water content,total chlorophyll (a+b) content,malondialdehyde (MDA) content,and superoxide dismutase (SOD) content of leaves under specific conditions were studied by using a slow drought method,in order to provide reference for the introduction,cultivation,and ecological adaptability of Salvia in Lanzhou.The results showed that the changes of drought-resistant physiological indexes of the four species of Salvia officinalis were not completely consistent,the relative water content and total chlorophyll content of leaves showed an overall decreasing trend;CAT activity showed an increasing trend;and the MDA content and SOD,POD activity showed a trend of rising and then decreasing.Using the fuzzy mathematical affiliation function method to evaluate the drought resistance of four species of Salvia officinalis,the order of drought resistance was as follows Salvia viridis>Salvia coccinea>Salvia farinacea>Salvia nemorosa L.
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备注/Memo
第一作者简介:韩蓉(1982-),女,硕士,副教授,现主要从事园林植物规划与应用等研究工作。E-mail:9730971@qq.com.收稿日期:2023-10-11