Arid
DOI10.3390/plants9050637
Effects of Drought and Salinity on Two Commercial Varieties ofLavandula angustifoliaMill
Szekely-Varga, Zsolt1,2; Gonzalez-Orenga, Sara3; Cantor, Maria1; Jucan, Denisa1; Boscaiu, Monica3; Vicente, Oscar2
通讯作者Jucan, Denisa
来源期刊PLANTS-BASEL
EISSN2223-7747
出版年2020
卷号9期号:5
英文摘要Global warming is not only affecting arid and semi-arid regions but also becoming a threat to agriculture in Central and Eastern European countries. The present study analyzes the responses to drought and salinity of two varieties ofLavandula angustifoliacultivated in Romania. Lavender seedlings were subjected to one month of salt stress (100, 200, and 300 mM NaCl) and water deficit (complete withholding of irrigation) treatments. To assess the effects of stress on the plants, several growth parameters and biochemical stress markers (photosynthetic pigments, mono and divalent ions, and different osmolytes) were determined in control and stressed plants after the treatments. Both stress conditions significantly inhibited the growth of the two varieties, but all plants survived the treatments, indicating a relative stress tolerance of the two varieties. The most relevant mechanisms of salt tolerance are based on the maintenance of foliar K(+)levels and the accumulation of Ca(2+)and proline as a functional osmolyte in parallel with increasing external salinities. Under water stress, significant increases of Na(+)and K(+)concentrations were detected in roots, indicating a possible role of these cations in osmotic adjustment, limiting root dehydration. No significant differences were found when comparing the stress tolerance and stress responses of the two selected lavender varieties.
英文关键词abiotic stress growth inhibition ion homeostasis Lavandulavarieties osmotic adjustment salt stress water deficit
类型Article
语种英语
国家Romania ; Spain
开放获取类型Green Published, gold
收录类别SCI-E
WOS记录号WOS:000542286900020
WOS关键词LAVANDULA-STOECHAS L. ; ESSENTIAL OIL ; PLANT-GROWTH ; SALT-STRESS ; ANTIOXIDANT COMPOUNDS ; CLIMATE-CHANGE ; ARID REGIONS ; WATER-STRESS ; LAVENDER ; MECHANISMS
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/319731
作者单位1.Univ Agr Sci & Vet Med Cluj Napoca, Fac Hort, Cluj Napoca 400372, Romania;
2.Univ Politecn Valencia, Inst Conservat & Improvement Valencian Agrodivers, Camino Vera S-N, Valencia 46022, Spain;
3.Univ Politecn Valencia, Mediterranean Agroforestry Inst IAM, Camino Vera S-N, Valencia 46022, Spain
推荐引用方式
GB/T 7714
Szekely-Varga, Zsolt,Gonzalez-Orenga, Sara,Cantor, Maria,et al. Effects of Drought and Salinity on Two Commercial Varieties ofLavandula angustifoliaMill[J],2020,9(5).
APA Szekely-Varga, Zsolt,Gonzalez-Orenga, Sara,Cantor, Maria,Jucan, Denisa,Boscaiu, Monica,&Vicente, Oscar.(2020).Effects of Drought and Salinity on Two Commercial Varieties ofLavandula angustifoliaMill.PLANTS-BASEL,9(5).
MLA Szekely-Varga, Zsolt,et al."Effects of Drought and Salinity on Two Commercial Varieties ofLavandula angustifoliaMill".PLANTS-BASEL 9.5(2020).
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