Investigation on the relationship between salinity stress and epibrassinolide in spinach (Spinacia oleracea L. cv. Matador) seedlings

Yıl 2020, Cilt: 41 Sayı: 1, 131 - 138, 22.03.2020

Serhat Seven Serap Sağlam

https://doi.org/10.17776/csj.596360

Öz

Soil salinity is a very important abiotic stress condition that affects plant growth and crop yield. Photosynthetic activity, fresh weight, total protein amount decrease due to salinity condition. Brassinosteroids (BR) are a new group of hormones in the steroidal structure which is involved in the plant hormone group. BRs play an important role in various physiological processes. BR shave a curative effect on the plants exposed to environmental stress. In this study, the effect on seedling development was examined by spraying 24-epibrassinolide (eBL), the active form of brassinosteroids, on the seedlings exposed to salt stress. For this purpose, seedlings are divided into three groups such as Hoagland, Hoagland+NaCl, Hoagland+NaCl+eBL. As a result of preliminary experiments, 150 mM NaCl as the salt concentration reducing seedling growth and 10-9 M eBL which promotes growth by reducing this inhibition were determined as the appropriate concentration. This study; biochemical analysis of spinach seedlings exposed to salt stress and applied to eBL showed the curative effect of eBL on salt toxicity.

Anahtar Kelimeler

Hoagland, NaCl, Epibrassinolide, Salt stress, Seedling Development

Destekleyen Kurum

İstanbul Üniversitesi (BAP birimi)

Proje Numarası

IUBAP, 55504

Teşekkür

The authors thank Department of Scientific Research Projects Coordination Unit of Istanbul University (IUBAP, 55504) for the financial support by the project.

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