Journal of Applied Biological Sciences | |
Effects of 24-Epibrassinolide on Growth and Some Antioxidant Enzymes of Cotton (Gossypium hirsutum L.) Cultivars under NaCl Stress | |
Serdal TÜRKEKUL1  Hakan ALTUNLU1  Betül BÜRÜN3 İbrahim YOKAŞ1  Yonca SURGUN1  | |
关键词: 24-Epibrassinolide; cotton; NaCl; germination; growth; pigment content; enzyme activity; | |
DOI : | |
学科分类:生物科学(综合) | |
来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente | |
【 摘 要 】
Thepresentstudywasconductedtoinvestigatetheanti-stresseffectsof24-Epibrassinolide(EBL),anactivebrassinosteroid,incottoncultivarsagainsttheNaClstress.NinecottoncultivarsweretestedfortheirgerminationresponsestovaryingNaClconcentrations.Accordingtogerminationtestresult,twotolerant(Nazilli84-SandCarmen)andtwosensitive(Sahin2000andBeyazAltin119)cultivarswereselectedfortheexperiments.Seedsoffourcultivarsweresoakedin3μMEBLfor24handseedlingswereirrigatedwithsolutioncontainingthevariousconcentrationofNaCl(0,50,100and150mM).Germination,growth(freshweight,dryweight,shootandrootlength)andpigmentcontent(chlorophylla,chlorophyllbandcarotenoid)reducedundersalinitystresswhereasthetreatmentwithEBLalleviatedtheinhibitoryeffectsofsaltstress.UnderhighNaClstress,superoxidedismutase(SOD),guaiacolperoxidase(GPX)andprolinecontentsincreasedin21-old-daysseedlings;howeverEBLfurtherincreasedtheactivityofantioxidantenzymesandprolinecontentincottoncultivars.
【 授权许可】
Unknown
【 预 览 】
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