Etlik piliçlerde embriyonun erken ve geç gelişim dönemlerinde yapılan yüksek ısıl uygulamanın canlı ağırlık üzerine etkileri

Yıl 2015, Cilt: 28 Sayı: 1, 39 - 43, 01.06.2015

Özgür Barış Birgül Sezai Alkan

Öz

Bu çalışmada etlik piliçlerde kuluçka gelişiminin erken ve geç embriyonik dönemlerinde yapılan yüksek ısıl uygulamanın canlı ağırlığa olan etkilerin belirlenmesi amaçlanmıştır. Bu amaçla kontrol grubu yumurtalarına 19. güne kadar olan gelişim dönemi boyunca optimum kuluçka koşulları (37.5 ^oC sıcaklık ve % 55 nem) uygulanmıştır. Kuluçkanın erken (8-10. günler) ve geç embriyonik (16-18. günler) dönemlerinde ise yumurtalara günlük 3 saat süreyle (12.00-15.00), 41 ^oC sıcaklık ve % 65 nem uygulanmıştır. Uygulama grupları arasında canlı ağırlıklar bakımından çıkış ağırlıkları hariç diğer haftalarda önemli düzeyde farklılık bulunmuş olup denemenin sonunda geç embriyonik dönemde ısıl uygulama yapılan gruba ait piliçler en yüksek canlı ağırlığa (1569.30±21.21g) sahip olmuştur. Cinsiyetler arasında da önemli düzeyde farklılık saptanmış olup erkekler (1632.67±19.91g) dişilerden (1457.60±14.25 g) daha yüksek canlı ağırlığa ulaşmıştır.

Anahtar Kelimeler

Antalya, Besin elementi, N:K oranı, Domates, Örtüaltı

Determination of nutrition status of greenhouse tomato plants (Solanum lycopersicum L.) grown in fall season in Antalya (Central district)

Öz

This study was carried out to investigate the nutritional status of tomato plants grown in fall season in greenhouses in central district of Antalya. For this purpose, soil samples were collected in beginning of growing period and leaf samples in the middle of the growing period were collected from 24 tomato greenhouse. pH, EC, CaCO3, organic matter, texture, total N, available P, exchangeable K, Ca, Mg, available Fe, Zn, Mn and Cu in soil samples and N, P, K, Ca, Mg, Fe, Zn, Mn and Cu in leaf samples were analyzed. While most of the soil samples were highly calcareous and had high pH for tomato growing, the textures were found to be suitable. Soil samples were mostly poor in organic matter and classified as no salty, slight and medium salty. The total N, available P, exchangeable K, Ca, Mg and available Fe, Zn, Mn, Cu contents of the soil samples were generally sufficient. Although the contents of N, P, Ca and Mg were generally sufficient levels in plants, K content was determined to be insufficient. While most of the samples have sufficient amount of micro-nutrients (Fe, Zn, Mn and Cu), some of them was determined to be deficient, especially Fe (% 45.8) and Zn (% 29.4). Imbalanced N:K ratio in tomato plants was found to be important problem that should be addressed to improve fruit quality. The similarity between data obtained from the present and previous reveals repeated deficiencies in tomato cultivation in Antalya Province. This situation indicates that leaf analysis is not adequately made use of in fertilization practices.

Anahtar Kelimeler

Antalya, Nutrient, N:K ratio, Tomato, Greenhouse

Kaynakça

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