24-epibrassinolide ameliorates the adverse effect of salt stress (NaCl) on pepper (Capsicum annuum L.)

Автор: Ibn Maaouia-Houimli Samira, Dridi-Mouhandes Bouthaina, Ben Mansour-Gueddes Samia, Denden Mounir

Журнал: Журнал стресс-физиологии и биохимии @jspb

Статья в выпуске: 1 т.8, 2012 года.

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The present study investigates the role of 24-epibrassinolide (EBL) in inducing plant tolerance to salinity. Seedlings of pepper (Capsicum annuum L.) were grown in the presence of 70 mM NaCl and were sprayed with 10-6 M EBL at 7 days after transplantation and were sampled at 28 day. The plants exposed to NaCl exhibited a signiﬁcant decline in relative growth rate, net CO2 assimilation, stomatal conductance, transpiration and water use efficiency. However, the follow up treatment with EBL signiﬁcantly improved the above parameters. EBL treated plants had greater relative growth rate compared to untreated plants when exposed to salt stress. Application of EBL increased photosynthesis by increasing stomatal conductance in both control and salt stressed plants and may have contributed to the enhanced growth. The water use efficiency was improved because CO2 assimilation is more important than the transpiration.

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24-epibrassinolide, pepper, nacl, relative growth rate, gas exchange.

Короткий адрес: https://sciup.org/14323590

IDR: 14323590

Список литературы 24-epibrassinolide ameliorates the adverse effect of salt stress (NaCl) on pepper (Capsicum annuum L.)

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