Sel Baskını Stresi Şartlarında Soğana Uygulanan Glisin Betain ve Prolin Uygulamalarının Besin Elementi İçeriklerine Etkisi

Year 2022, Volume: 51 Issue: (Özel Sayı 1) 13. Sebze Tarımı Sempozyumu, 390 - 395, 19.12.2022

Abdullah Şamil Şahin Ömer Burak Tanrıverdi Musa Seymen

Abstract

Prolin ve glisin betain uygulamaları kuraklığın olumsuz etkisini azaltan sonuçlar ortaya koymuştur. Bu uygulamaların sel baskını stresindeki sonuçları çok fazla irdelenmemiştir. Bu amaçla saksılarda yetiştirilen soğanlar tesadüf parselleri deneme desenine göre, bir tam sulama konusu (I₁₀₀) ve bir sel baskını stres konusu olmak üzere iki sulama konusu belirlenmiştir. Diğer taraftan üç farklı prolin dozu (1, 2 ve 3 µM) ve üç farklı glisin betain (50, 100 ve 150 µM) uygulaması ve hiçbir uygulama yapılmayan kontrol çalışmanın diğer konusunu oluşturmuştur. Çalışma 7×2=14 farklı çalışma konusundan oluşup, 3 tekrarlamalı olarak yürütülmüştür. Sel baskını stresine kadar saksılara uygulanan sulama suyu miktarları gravimetrik toprak nemi ölçme metoduna göre uygulanmıştır. Prolin ve glisin betain uygulamaları ise, tartılan örnekler saf suda çözündürüldükten sonra bitki yapraklarına sprey yöntemiyle bütün bitki kaplanacak şekilde 26 Nisan ve 9 Mayıs tarihlerinde iki defa uygulanmıştır. 10 gün sel baskını stresine maruz bırakılan bitkiler hasat edilmiştir. Hasat edilen bitkilerden alınan yaprak örneklerinde bitki besin elementi analizleri yapılmıştır. Yapılan analizler sonucunda, makro ve mikro elementlerin bütünü incelendiğinde 1 µM prolin uygulaması ve 100 µM glisin betain uygulaması stres şartlarında besin elementi alınımına katkıda bulunmuşlardır. Mevcut uygulamalar insan sağlığı ve çevre dostu uygulamalar olup, stresin olumsuz etkisini azaltmada önemli uygulamalardır.

Keywords

Abiyotik stres , besin içeriği , biostimulant , sel baskını stresi , soğan

The Effect of Glycine Betaine and Proline Applications on Nutritional Contents in Flooding Stress Conditions

Abstract

Proline and glycine betaine applications have shown results that reduce the negative effects of drought. The consequences of these practices on flood stress have not been studied much. For this purpose, two irrigation subjects, one full irrigation subject (I₁₀₀) and one flood stress subject, were determined according to the randomized plot design of onions grown in pots. On the other hand, three different proline doses (1, 2 and 3 µM) and three different glycine betaine (50, 100 and 150 µM) applications and a control that did not receive any application were the other subjects of the study. The study consisted of 7×2=14 different study subjects and was carried out with 3 replications. The amount of irrigation water applied to the pots until the flood stress was applied according to the gravimetric soil moisture measurement method. Proline and glycine betaine applications were applied to the plant leaves twice on April 26 and May 9, after the weighed samples were dissolved in pure water, by spraying the whole plant. Plants exposed to flood stress for ten days were harvested. Plant nutrient analyzes were carried out on leaf samples taken from harvested plants. As a result of the analysis, when the macro and micro elements were examined, 1 µM proline application and 100 µM glycine betaine application contributed to nutrient uptake under stress conditions. Current practices are human health and environmentally friendly practices and are important practices in reducing the negative effects of stress.

Keywords

Abiotic stress , nutrient content , biostimulant , flooding stress , onion

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