Değişik vejetasyon dönemlerine kadar uygulanan farklı tuz konsantrasyonlarının yaprak lahana (Brassica oleraceae var. acephala)' da meydana getirdiği bazı fizyolojik ve morfolojik değişikliklerin belirlenmesi
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2017
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info:eu-repo/semantics/openAccess
Abstract
Deneme 20 °C sıcaklık, % 65-70 nem, 12/12 (aydınlık/gece) saatlik fotoperiyodik düzene sahip iklim odasında gerçekleştirilmiştir. Materyal olarak yaprak lahana (karalahana) yerli çeşidi (Brassica oleracea var. acephala cv. Yerli) kullanılmıştır. Tuz uygulamaları bitkilerin 4-5 gerçek yapraklı olduğu dönemde yapılmaya başlanmış ve 8 gerçek yapraklı dönem ve hasat dönemine kadar kaplardaki besin çözeltisine sulama zamanlarında 0, 50, 100 ve 200 mM tuz konsantrasyonunu sağlayacak şekilde saksılara NaCl ilave edilmiştir. Deneme süresince yaprak oransal su içeriği (%), hasar indeksi, yaprak sayısı (adet), yaprak ağırlığı (g), yaprak kalınlığı (mm), yaprak alanı (cm2), bitki boyu (cm), kök derinliği (cm) ölçülmüştür. Elde edilen sonuçlara göre denemede ele alınan farklı vejetatif dönemlerden hasat dönemine kadar tuz uygulaması ile yaprak hücrelerinde hasar indeksi kriterinde en yüksek ortalamalara ulaşılmıştır. Farklı tuz konsantrasyonları sonucunda ele alınan kriterlerden hasar indeksi miktarlarının tuzluluk ile doğru orantılı bir şekilde arttığı belirlenmiştir. Diğer tüm kriterlerde tuzluğun 0 mM' dan 100 mM'e doğru artmasıyla elde edilen ortalamaların ise azaldığı tespit edilmiştir.
The trial was designed in a climate room whose temperature can be set between +40 °C and -20 °C under controlled conditions. All of the experiments were carried out in a climate room with 20 °C temperature, % 65-70 humidity, 12/12 (light/dark) photoperiodical system. The cultivar kale (Brassica oleracea var. acephala cv. Yerli) was used in this research. Salt applications were started to be done until the term in which the plants have 4-5 real leaves and NaCl was added to the nutrient solution in the cups in order to maintain a salt concentration of 0, 50, 100 and 200 mM in watering times until the 8 real leaves term and the harvesting term. During the trial, relative leaf water content (%), damage index, leaf number (quantity), leaf weight (g), leaf thickness (mm), leaf surface area (cm2), plant height (cm), root depth (cm) in the leaves were measured. According to the obtained results from the trial containing the salt application from different vegetation periods until the harvesting period, the damage index criteria have been measured as highest mean scores. As a result of different salt concentrations, among the discussed criteria the damage index was determined that the amount increases as the salinity increases. All the other criteria discussed in this study were decreased when the salinity increased from 0 mM to 100 mM concentrations.
The trial was designed in a climate room whose temperature can be set between +40 °C and -20 °C under controlled conditions. All of the experiments were carried out in a climate room with 20 °C temperature, % 65-70 humidity, 12/12 (light/dark) photoperiodical system. The cultivar kale (Brassica oleracea var. acephala cv. Yerli) was used in this research. Salt applications were started to be done until the term in which the plants have 4-5 real leaves and NaCl was added to the nutrient solution in the cups in order to maintain a salt concentration of 0, 50, 100 and 200 mM in watering times until the 8 real leaves term and the harvesting term. During the trial, relative leaf water content (%), damage index, leaf number (quantity), leaf weight (g), leaf thickness (mm), leaf surface area (cm2), plant height (cm), root depth (cm) in the leaves were measured. According to the obtained results from the trial containing the salt application from different vegetation periods until the harvesting period, the damage index criteria have been measured as highest mean scores. As a result of different salt concentrations, among the discussed criteria the damage index was determined that the amount increases as the salinity increases. All the other criteria discussed in this study were decreased when the salinity increased from 0 mM to 100 mM concentrations.
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Ziraat Mühendisliği, Bahçe Bitkileri, Bitki Bilimleri, Ziraat, Toprak Bilimi, Biyoloji Çeşitliliğinin Korunması, Biyoloji, Ekoloji, Çevre Bilimleri, Orman Mühendisliği
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Akademik Ziraat Dergisi
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6
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