Kuraklık Stresi Altında İndol Asetik Asitin Şeker Pancarına (Beta vulgaris L.) Etkisi

Year 2021, Volume: 10 Issue: 3, 276 - 283, 31.12.2021

Gizem Aksu Hamit Altay

Abstract

Kuraklık, dünya çapında tarımsal verimliliği etkileyen önemli bir çevresel strestir. Bu çalışmada indol asetik asit uygulamasının kuraklık stresi altında şeker pancarı üzerine etkisi incelenmiştir. Denemede sulama seviyeleri tarla kapasitesinin % 33, % 66 ve % 100 seviyesinde tutulmuştur. Bitkilere indol asetik asitin 4 farklı dozu (0,5,10,20 µM) uygulanmıştır. Bitkiler iklim odasında Hoagland besin solüsyonuyla yetiştirilmiştir. Denemenin sonunda yaprak boyu, yaprak eni, yaprak oransal su içeriği, membran zararlanması ve malondialdehit (MDA) içeriği belirlenmiştir. Denemeden elde edilen sonuçlara göre, kuraklık stresi altında bitkilere uygulanan indol asetik asit, bitkinin vejetatif özelliklerini olumlu etkilerken, kuraklık bu özellikleri olumsuz etkilemiştir. Şeker pancarında kuraklık stresinin vejetatif kısımlardaki olumsuz etkisinin azaltılmasında indol asetik asit uygulamasının kritik bir rol oynayabileceği göz önünde bulundurularak dozlarının gözden geçirilerek çalışmanın tekrar edilmesi gerektiği düşünülmektedir.

Keywords

İndol asetik asit, kuraklık, potasyum, şeker pancarı

Supporting Institution

Çanakkale Onsekiz Mart Üniversitesi BAP birimi

Project Number

FHD-2017-1192

Thanks

Bu çalışmanın gerçekleştirilebilmesi için FHD-2017-1192 nolu proje ile destek veren Çanakkale Onsekiz Mart Üniversitesi BAP birimine verdikleri destekten dolayı teşekkür ederiz.

The Effect of Indole Acetic Acid on Sugar Beet (Beta vulgaris L.) under Drought Stress

Abstract

Drought is a major environmental stress affecting agricultural productivity around the world. In this research, the effect of indole acetic acid applications under drought stress on some sugar beet was investigated. In the experiment, irrigation levels were kept at 33%, 66% and 100% of field capacity. Four different doses (0,5,10,20 µM) of indole acetic acid were applied to the plants. The plants were grown with Hoagland nutrient solution in the growth chamber. At the end of the experiment, leaf length, leaf width, leaf proportional water content, membrane damage and malondialdehyde (MDA) content were determined. According to the results obtained from the experiment the indole acetic acid applied to plants under drought stress positively affected the vegetative properties of the plant while drought negatively affected. Considering that indole acetic acid application may play a key role in decreasing the negative effect of drought on vegetative parts in sugar beet, it is thought that the study should be repeated by reviewing the doses.

Keywords

Drought, indole acetic acid, potassium, sugar beet

Project Number

FHD-2017-1192

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