Kemal Yalçın Gülüt

Cukurova University

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Efect of zinc and iron deficiency on phytos1derophore release in wheat genotypes differing in zinc efficiency

Journal of Plant Nutrition (1994)

Smail Cakmak Kemal Yalçın Gülüt Horst Marschner Robin D. Graham

Abstract The effect of varied zinc (Zn) and iron (Fe) supply on the release of Zn and Fe mobilizing phytosiderophores from roots was studied in Zn‐efficient Aroona and Zn‐inefficient Durati wheat genotypes (Triticum aestivum cv. Aroona; T. durum cv. Durati) grown under controlled environmental conditions in nutrient solution for 25 days. Phytosiderophore release was determined by the measurement of Zn and Fe mobilizing capacity of root exudates from a Zn‐loaded resin and from freshly precipitated FeIII hydroxide as well as identification by HPLC analysis. Visual Zn‐deficiency symptoms, such as necrotic patches on leaves and reduction in shoot length, appeared first and more severely in Zn‐inefficient Durati, although the concentrations of total Zn in shoot and root tissues were the same in both genotypes. Zinc‐efficient Aroona responded to Zn deficiency by increasing phytosiderophore release usually after 10 days growth in nutrient solution, whereas the phytosiderophore release in Durati remained at a very low level during 25 days growth. In contrast, under Fe deficiency and also under both Fe and Zn deficiency, Aroona and Durati released similarly high amounts of phytosidero‐ phores. HPLC analysis of root exudates revealed that the same phytosiderophores were released under Zn as under Fe deficiency, 2'‐deoxymugineic acid (DMA) being the dominant phytosiderophore. Besides DMA, 3‐hydroxymugineic acid (HMA) could also be identified mainly, however, in root exudates of Zn and of Fe‐deficient Aroona. In Zn‐deficient Durati, both DMA and HMA were released in much lower amounts. The results demonstrate that phytosiderophore release can occur under Zn deficiency as well as under Fe deficiency, and enhanced release of phytosiderophores under Zn‐deficiency stress may be causally involved in Zn efficiency in genotypes of graminaceous species.

10.1080/01904169409364706

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Citations (197)

Sorption of Aldicarb Sulfoxide by Samples of Some Calcareous Soils From Turkey

DergiPark (Istanbul University) (1998)

Kemal Yalçın Gülüt Mahmut Sayın

Sorption of aldicarb and aldicarb sulfoxide was investigated spectrophotometrically on 16 soil samples. Ten of them were from the Cukurova region. The results showed that organic matter is the single soil property to give correlation with sorption of aldicarb. Clay minerals are also important in sorption but their effect is masked by fine carbonates and organic matter. CaCO 3 sorbs aldicarb weakly. Aldicarb sulfoxide was also sorbed by soil constituents very weakly.

Aldicarb

Calcareous soils

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Kuzey Kıbrıs Türk Cumhuriyeti Detaylı Toprak Etüd ve Haritalama Projesi

Ural Dinç Mehmet Kürşat Derici Suat Şenol Selım Kapur Mahmut Dingil

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Gaziantep Yavuzeli Ovası Sulama Proje Sahası Detaylı Toprak Etüdleri

Ural Dinç Naci Öztürk Suat Şenol Mustafa Gök Selım Kapur

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Phosphorus tolerance levels of different chickpea genotypes

Saudi Journal of Biological Sciences (2021)

Kemal Yalçın Gülüt Osman Özdemir

Phosphorus (P) is a macronutrient required by the plants in large quantities. This study assessed P-tolerance levels of different chickpea genotypes under greenhouse conditions. Nine genotypes (‘Damla’, ‘Diyar. 95′, ‘ER. 98′, ‘ILC.482′, ‘İzmir’, ‘Çağatay’, ‘Gökçe’, ‘Gülümser’ and ‘Yaşa.05′) were screened under seven P doses (i.e., 15, 30, 45, 75, 90, 100 and 120 mg P kg −1 soil). The P-deficiency symptoms were graded, subsequently root and shoot biomass and P accumulation were recorded after harvesting the plants 55 days after sowing. Principal component analysis (PCA) was executed to group genotypes. Genotypes and P levels significantly differed for growth and nutrient acquisition traits. The highest shoot biomass was recorded under 90, 100 and 120 mg P kg −1 soil, while plants grown under 15 mg kg -1 P recorded the lowest biomass. Similarly, the highest root biomass was noted for 45 and 90 mg P kg −1 soil, while 15 and 30 mg P kg −1 soil had the lowest root biomass. The highest root:shoot ratio (RSR) was observed for 15, 30 and 45 mg P kg −1 soil, whereas 100 and 120 mg P kg −1 soil recorded the lowest RSR. The ‘Gökçe’ and ‘Çağatay’ genotypes produced the highest shoot biomass, while the lowest shoot biomass production was recorded for ‘Diyar. 95′ genotype. The highest and the lowest root biomass and RSR were recorded for genotypes ‘Diyar 95′ and ‘Gökçe’, respectively. The highest P was accumulated by genotypes ‘İzmir’ and ‘ILC.482′, while ‘Diyar. 95′ accumulated the lowest amount of P. The PCA grouped genotypes in two different groups based on root biomass, shoot biomass, RSR and P accumulation. Genotype ‘İzmir’ was in the first group. Similarly, ‘Çağatay’, ‘ER 98′ and ‘ILC.482′ had similar P accumulation. Thus, the results provide valuable insights for the use of these genotypes in the future for breeding purpose.

10.1016/j.sjbs.2021.05.066

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Citations (5)

T.C. Köy Hizmetleri Genel Müdürlüğü, Adıyaman - Kahta Ovası Sulama Proje Sahası Detaylı Toprak Etüdleri

Ural Dinç Suat Şenol Mustafa Gök Akin Dinç Alkhan Sarıyev

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Nitrogen and boron nutrition in grafted watermelon II: Impact on nutrient accumulation in fruit rind and flesh

PLoS ONE (2021)

Kemal Yalçın Gülüt Ebru Duymuş I. Solmaz Ayfer Alkan Torun

Turkey ranks second in watermelon ( Citrullus lunatus L.) production globally and the highest production is witnessed for Çukurova plains the country. Although watermelon is extensively cultivated in the Çukurova region, studies on optimum nitrogen (N) and boron (B) doses for watermelon cultivation are quite limited. This study, evaluated the impact of increasing N (0, 90, 180 and 270 kg ha -1 ) and B (0 and 2 kg ha -1 B) doses on nutrient uptake in rind (exocarp) and flesh (endocarp) of watermelon fruit. Grafted watermelon variety ‘Starburst’, widely cultivated in the region was used as experimental material. The concentrations of different macro and micronutrients were analyzed from fruit rind and flesh. Individual and interactive effect of N and B doses significantly altered macro and micronutrients’ uptake in rind and flesh. Higher amounts of macro and micronutrients were accumulated in rind than flesh. Nutrients’ uptake was increased with increasing N doses, whereas B had limited impact. The accumulated nutrients were within the safe limits for human consumption. The N concentrations of rind and flesh increased with increasing N dose. Similarly, B concentration in rind and flesh and N concentration in rind significantly increased, while N concentration in flesh decreased with B application. It was concluded that 270 kg ha -1 N and 2 kg ha -1 B are optimum for better nutrient uptake in watermelon fruit. Thus, these doses must be used for watermelon cultivation in Çukurova plains of the country.

Flesh

10.1371/journal.pone.0252437

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Plant and Soil (1998)

İsmail Çakmak B. Erenoğlu Kemal Yalçın Gülüt R. Derıcı Volker Römheld

Plant Physiology

Light intensity

10.1023/a:1004384712817

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Citations (45)

T.C. Köy Hizmetleri Genel Müdürlüğü, Adıyaman - Besni - Keysun ve Kızılin Ovası Sulama Proje Sahası Detaylı Toprak Etüdleri

Mustafa Gök Akin Dinç Alkhan Sarıyev Ali Coskan Ali Çolak

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Farklı Gübre Uygulamalarının Buğday Bitkisinin SPAD Değerleri, Yeşil Aksam Kuru Madde Verimi ve Azot Konsantrasyonu Üzerine Etkisi

Turkish Journal of Agriculture - Food Science and Technology (2021)

Kemal Yalçın Gülüt

Son yıllarda gerek tarımsal ilaçların gerekse kimyasal gübrelerin bilinçsizce kullanımı bitkisel üretimde artışın yanında kalitesiz ve insan sağlığını tehdit edecek ürünlerin ortaya çıkmasına neden olmuştur. Söz konusu sorunlara karşı sürdürebilir tarım ve değişik tarım alternatifleri konusunda çalışmalara ihtiyaç olduğu görülmektedir. Bitkilerin farklı tarım uygulamaları altında en yaygın sorununun azot (N) kullanım şekli olduğu görülmektedir. Bitkinin N kullanım etkinliğinde, uygulanan gübrenin N dozu ve formunun önemli olduğu düşünülmektedir. Bu amaçla, sera koşullarında artan dozlarda (0 (kontrol), 100, 200, 400 ve 800 mg N kg-1) ve farklı formlarda (mineral, organik) N uygulamalarının buğday bitkisinin büyüme, yeşil aksamda klorofilin bir ifadesi olan SPAD değeri, yeşil aksam kuru madde verimi ve yeşil aksam N konsantrasyonu üzerine etkisi belirlenmiştir. Denemeden elde edilen bulgulara göre, N noksanlığından kaynaklı verim kayıplarının olduğu buna karşılık N uygulamasının söz konusu verim kayıplarının önüne geçtiği saptanmıştır. Azot uygulamasından kaynaklı verim artış oranları üzerine uygulanan N formunun da önemli olabildiği belirlenmiştir. Özellikle mineral gübre uygulamasında verim artış oranlarının %58 ile %87 arasında değiştiği buna karşılık organik kaynaklı gübre uygulamalarının verim değerlerinde kısmen düşüşe neden olduğu görülmüştür. Farklı formlardaki N uygulamaları, bitkinin yeşil aksam kuru madde veriminin aksine yeşil aksam N konsantrasyonunu arttırmıştır. Bu artışlarda, N uygulama dozunun önemli olduğu buna karşılık uygulanan gübre formunun önemli bir farklılık yaratmadığı belirlenmiştir. Sonuçlar genel olarak değerlendirildiğinde en etkin N uygulama dozunun 200 mg kg-1 olduğu, bunun dışında N formları içinde bitkinin büyümesinde ve N kullanım etkinliğinde en etkin formun organik kaynaklı gübre olduğu görülmüştür.

10.24925/turjaf.v9i5.919-925.4387

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Citations (2)