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Relationships Between Physiological Mechanisms Of Tolerances To Drought And Salinity In Melons

Identifier : Catalog : URI
Entry : http://traglor.cu.edu.tr/objects/objectFile/dxhwk38Q-2982013-15.pdf


Title : Turkish Kavunlarda Kuraklık ve Tuzluluğa Toleransın Fizyolojik Mekanizmaları Arasındaki Bağlantılar
English Relationships Between Physiological Mechanisms Of Tolerances To Drought And Salinity In Melons
German Beziehungen zwischen physiologischen Mechanismen der Toleranzen gegen Trockenheit und Salzgehalt In Melonen


Language : Turkish Turkish



Descriptions : Turkish Bu çalışmada, 31 adet kavun genotipi içinden seçilen tolerant ve hassas kavun genotipleri ile tuz ve kuraklık stres koşullarında geliştirilen korunma mekanizmalarının araştırılması ve bu iki farklı strese toleransın fizyolojik mekanizmaları arasındaki ilişki ve bağlantılar olup olmadığının ortaya çıkarılması, iyon regülasyonu, antioksidatif enzim aktiviteleri ile sitrullinin kuraklık ve tuzluğa toleransta etkilerinin araştırılması amaçlanmıştır. Genel tarama aşamasında, 31 adet farklı kavun genotipi bazı büyüme parametreleri ve fizyolojik değişimler bakımından değerlendirilmiştir. Elde edilen sonuçlar ışığında tuz ve kuraklığa tolerant, orta düzeyde tolerant ve hassas olarak belirlenen 20 adet kavun genotipi ile özel tarama aşamasına geçilerek incelenen parametreler tekrarlanmıştır. Tüm bu sonuçlara göre ayrıntılı fizyolojik çalışmaların gerçekleştirilebilmesi için tuz ve kuraklığa tolerant CU 159 ve CU 196 no’lu genotipler; tuz ve kuraklığa hassas CU 40 ve CU 252 no’lu genotipler belirlenerek iyon regülasyonu, antioksidatif enzim aktiviteleri (GR, CAT, APX, SOD), antioksidan miktarları (Vitamin C, SH Bileşikleri) ve sitrullin değişimleri bakımından değerlendirilmiştir. Çalışma sonucunda, tuz ve kuraklığın kavun genotiplerinde bitki büyüme ve gelişmesini engellediği, kavun genotiplerinin stres faktörlerine karşı farklı tepkiler verdiği belirlenmiştir. Özellikle CAT ve GR enzim aktiviteleri ile sitrullinin kavunlarda tuz ve kuraklığa toleransta oldukça etkili olduğu belirlenmiştir. Elde edilen sonuçlar ışığında tuz ve kuraklık streslerinin benzer mekanizmaları harekete geçirdiği, iyon regülasyonu ve enzimatik değişimler çerçevesinde kavun genotiplerinin tuz stresinden daha fazla etkilendiği belirlenmiştir.
English In this study, designating the resistant and sensitive melon genotypes initially, determination of the defense the antioxidative enzyme activity, ion regulation with citrulline mechanisms of tolerant or sensitive genotypes cultivated under saline and drought conditions and revealing the possibility of existence of relationships between defense mechanism in tolerances against to such two stress conditions were aimed to investigate. For this aim, 31 melon genotypes were evaluated with respect to some growth parameters and physiological changes via an overall screening. According to the obtained results, the investigated parameters were repeated in specific screening stage by using 20 genotypes which were selected and divided into three groups as tolerant, medium-tolerant, and sensitive. With respect to overall findings, in order to perform detailed physiological investigations by determining salt and drought resistant CU 159 and CU 196 genotypes, salt and drought sensitive CU 40 and CU 252; they were evaluated in terms of ion regulation, antioxidative enzyme activities (GR, CAT, APX, SOD), antioxidant amounts (Vitamin C, SH compounds) and citrulline changes. At the end of the study, it was observed that salinity and drought inhibited the plant growth in melon genotypes and these genotypes differed in terms of reactions to stress factors. Especially, it was also investigated that examining the activities of CAT and GR enzymes with citrulline were remarkably effective by means of investigation of tolerance aptitude to salt and drought. According to the results, similar mechanisms of salt and drought stresses were observed while ion regulation and enzymatic changes of melon genotypes were further affected by salt stress.
German In dieser Studie in beständig und sensiblen Melone-Genotypen ursprünglich benannt, Bestimmung der Verteidigung der antioxidativen Enzym-Aktivität, Ion-Verordnung mit Citrullin Mechanismen der tolerant oder sensiblen Genotypen kultiviert unter Kochsalzlösung und Dürrebedingungen und enthüllen die Möglichkeit der Existenz von Beziehungen zwischen Abwehrmechanismus in Toleranzen gegen solche zwei Stressbedingungen zielten darauf ab untersuchen. Für dieses Ziel wurden 31 Melone-Genotypen in Bezug auf einige Vergrößerungsparameter und physiologische Veränderungen über ein insgesamt Screening evaluiert. Nach der Ergebnisse erzielt, wurden die untersuchten Parameter in bestimmten Screening wiederholt. Bühne mit 20 Genotypen, die ausgewählt wurden und in drei Gruppen unterteilt toleranten, Medium-tolerant und empfindlich. In Bezug auf allgemeine Erkenntnisse, um zu durchführen Sie detaillierte physiologische Untersuchungen, durch die Bestimmung von Salz und Dürre resistenten Genotypen 159 CU und CU-196, Salz und Dürre empfindlich CU 40 und CU 252; Sie wurden im Sinne der Ion-Verordnung, antioxidativen Enzym-Aktivitäten ausgewertet. (GR, CAT, APX, SOD), Mengen Antioxidantien (Vitamin C, SH-Verbindungen) und Citrullin Änderungen. Am Ende der Studie wurde festgestellt, dass Salzgehalt und Dürre das Pflanzenwachstum in Melone Genotypen hemmte und diese Genotypen unterschieden sich in Bezug auf die Reaktionen auf stress Faktoren. Vor allem wurde auch untersucht, dass untersuchen die Aktivitäten der Katze und GR Enzyme mit Citrullin bemerkenswert effektiv durch waren Untersuchung der Toleranz Eignung zum Salz und Dürre. Nach den Ergebnissen ähnliche Mechanismen der Salz und Trockenheit Spannungen wurden beim Ion Verordnung beobachtet und enzymatische Veränderungen der Melone Genotypen weiter durch Salz Stress betroffen waren.


Keywords : Turkish kavun
English melon
German Melon
Latin Cucumis melo
Turkish tuz stresi
English salt stress
German Salz stress
Turkish kuraklık stresi
English drought stress
German Trockenstress
Turkish antioksidatif enzimler
English antioxidative enzymes
German antioxidative Enzyme
Turkish sitrulline
English citrulline
German Citrullin


Coverage : World


Structure : Atomic


Aggregation Level : Level 2


Version : Turkish Adana, 2010


Status : Final


Contribute : Role : Undefined
Date : 2010-03-25
name : Şebnem Kuşvuran
e-mail :
organization : Çukurova Üniversitesi Fen Bilimleri Enstitüsü Bahçe Bitkileri Anabilim Dalı, Adana – Turkey




Identifier : Catalog : URI
Entry : http://traglor.cu.edu.tr/common/object_xml.aspx?id=1406


Contribute : Role : Undefined
Date : 2013-08-29
name :
e-mail :
organization :


Metadata Schema : TrAgLor LOM AP


Language : Turkish Turkish
Format : Text


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Size : 2963930 bytes


Location : http://traglor.cu.edu.tr/objects/objectFile/dxhwk38Q-2982013-15.pdf


Interactivity Type : Expositive


Learning Resource Type : Thesis


Interactivity Level : Low


Semantic Density : Very High


Intended End User Role : Learner


Context : University Postgraduate


Typical Age Range : English 18U


Difficulty Level : Difficult


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Cost : No


Copyright and Other Restrictions : Yes


Description : This resource is licensed under the license(CC-BY-NC-ND) Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported


Kind : IsVersionOf


Resource : Catalog : URI
Entry : http://library.cu.edu.tr/tezler/7846.pdf


Description : Turkish Çukurova Üniversitesi Kütüphanesi Tez Koleksiyonu


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e-mail :
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Purpose : Discipline


Source : English AGRICOLA


Entry : Horticultural Crops


Description :


Keywords : Turkish bahçe bitkileri
English horticulture