Gölgen ÖZTEKİN, YÜKSEL TÜZEL, Özlem KESKİN

Topraksız tarımda besin solüsyonunun dezenfeksiyonu

Topraksız tarım toprak kaynaklı hastalık ve zararlıları ortadan kaldırmaktadır. Ancak topraksız tarımda da kök hastalıkları görülebilmekte ve bu hastalık etmenleri özellikle besin solüsyonunun resirküle edildiği kapalı sistemlerde yayılma riskleri ile sorun olmaktadır. Bu nedenle kapalı sistemlerde besin solüsyonu resirküle edilmeden önce dezenfekte edilmelidir. Kapalı sistemlerde besin solüsyonu, aktif (ısı uygulaması, ozonlama, UV-radyasyonu, membran filtrasyonu, aktif hidrojen peroksid ve iyodlama) ve pasif (yavaş kum filtrasyonu) yöntemler ile dezenfekte edilebilir.

Anahtar Kelimeler:

topraksız yetiştirme, kapalı sistemler, besin maddesi çözeltisi

Disinfection of nutrient solution in soilless culture

Soil-borne diseases are disappeared in soilless culture. However root diseases can be seen in soilless culture in particularly in closed systems, where the nutrient solution is recycled. There- is a need for disinfecting the nutrient solution in closed systems due to the high risk of dispersal of root-infecting pathogens. Disinfection of nutrient solution can be done by active (heat treatment, ozonation. UV-radialion, membrane filtration, activated hydrogen peroxide, iodination) and passive (slow sand filtration) methods.

Keywords:

soilless culture, closed systems, nutrient solutions,

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