Bu çalışma, vermikompostun (VK) kuraklık stresine maruz kalmışkıvırcık salata bitkisinin (Lactuca sativa var. crispa) makro ve mikrobesin içerikleri üzerine etkisini belirlemek amacıyla yapılmıştır.Çalışmada VK’un dozları ile; 0 (VK0), %2.5 (VK1) ve %5 (VK2)(w/w), kuraklık stresi seviyeleri; kontrol (KS100) (eksilen nemintarla kapasitesine getirilmesi), orta derecede kuraklık (KS50)(kontrol konusuna verilen suyun %50’si), şiddetli kuraklık (KS25)(kontrol konusuna verilen suyun %25’i) kullanılmıştır. Bitkiler 46gün boyunca bu koşullar altında tutulmuş ve bu sürenin sonundahasat edilerek makro ve mikro besin içerikleri bakımındandeğerlendirilmiştir. Orta ve şiddetli kuraklık stresi, bitkilerin N, P,K konsantrasyonlarını kontrole göre önemli seviyelerde artırırken,Fe, Mn, Zn ve Cu konsantrasyonlarında ise azalmalara nedenolmuştur. Ca ve Mg içeriklerindeki etkisi önemsiz bulunmuştur.Bununla birlikte, kuraklık stresi altında tüm mineral elementiçerikleri, VK uygulamaları ile birlikte önemli ölçüde artmıştır. Buartışlar %5 VK uygulamasında çoğunlukla daha etkili bulunmuştur.Elde edilen veriler, VK’un kuraklık stresi koşullarında kıvırcıksalatanın mineral madde içerikleri üzerinde olumlu etkidebulunduğunu göstermiştir.
This study was carried out to determine the effect of vermicompost (VK) on the macro and micro nutrient contents of the lettuce plant (Lactuca sativa var. crispa) exposed to drought stress. Then, 3-4 leaved seedlings were transferred to the pots with different proportions of VK. The doses of VK tested in the study were; 0 (VK0), 2.5% (VK1) and 5% (VK2) (w/w). Drought stress levels tested in the study were; control (KS100) (fully irrigated up to soil field capacity), moderate drought (KS50) (50% of the water supplied to the control subject), and severe drought (KS25) (25% of the water supplied to the control subject). After 46 days of growing period, plans were harvested and evaluated for their macro and micro nutrient contents. Medium and severe drought stress increased N, P, K concentrations of plants significantly compared to control. On the other hand, these stresses caused decrease in Fe, Mn, Zn and Cu concentrations of the plant. The effect of stresses on Ca and Mg contents was determined as insignificant. However, under the stress of drought, all mineral element contents increased significantly with VK applications. These increases were mostly more effective in 5% VK application. The results showed that VK has a positive effect on mineral content of curly salad under drought stress conditions
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