Mehmet Ali SARIDAŞ, Eser ÇELİKTOPUZ, Burçak KAPUR, Bülent ÖZEKİCİ, Sevgi KARGI PAYDAŞ

FARKLI SULAMA SEVİYELERİ İLE BİYOAKTİVATÖR UYGULAMALARININ ÇİLEK BİTKİSİNİN EKO– FİZYOLOJİK ÖZELLİKLERİ ÜZERİNE ETKİSİ

Bu çalışmada, farklı su seviyeleri ile biyoaktivatör uygulamalarının Kabarla çeşidinde eko-fizyolojik özellikler üzerine etkileri araştırılmıştır. Sulamalar; tam sulama IR100 konusu, uygulanacak suyun yarısının verileceği konu IR50, %75'inin verileceği konu IR75 ve %125'inin verileceği konu IR125 olarak adlandırılmıştır. Biyoaktivatör uygulamaları ise tam ve kontrol (biyoakivatörsüz) olarak uygulanmıştır. Tesadüf bloklarında bölünen bölünmüş parseller deneme desenine göre 4 yinelemeli olarak yürütülen araştırma sonucunda su stresinin (kısıntılı sulama) çilek bitkisinde eko-fizyolojik özellikleri olumsuz etkilediği gözlenmiştir. En yüksek stoma iletkenliği ve yaprak su potansiyeli değerleri IR125 uygulamasından elde edilirken, en düşük değerler ise IR50 uygulamalarından elde edilmiş olup, uygulamalar arasındaki farklar istatistiksel olarak anlamlı bulunmuştur. Biyoaktivatör kullanımının çilek bitkisi eko-fizyolojik özelliklerini olumlu etkiledikleri görülürken istatistiksel anlamda da önemli bulunmuştur. Biyoaktivatör kullanılmayan konularda eko-fizyolojik özellikler genelde düşüş gösterse de su stresi ile birlikte çoklu stres olarak (su × biyoaktivatör) bitki eko-fizyolojik özellikleri üzerine etkisi istatistiksel olarak anlamlı bulunmamıştır. Çalışma sonuçları ışığında güçlü bir eko-fizyolojik özellik için her ne kadar istatistiksel olarak fark belirlenememişse de, su ve biyoaktivatör etkileşiminden elde edilecek kombinasyonun kullanılması bitki su kullanım etkinliğini arttırmasından dolayı önerilebilir

EFFECTS OF DIFFERENT IRRIGATION LEVELS WITH BIOACTIVATOR APPLICATIONS ON ECO–PHYSICOLOGICAL CHARACTERISTICS IN STRAWBERRY

Ep; IR75, 0.75 Ep; IR50, 0.50 Ep). Bioactivator applications were conducted as full and without bioactivator. As a result of the study, planned as randomized complete block split split plot design with four replications, it was observed water stress affected eco– physicological characteristics adversely. The highest stomatal conductance and leaf water potantial were obtained from the IR125, whereas the lowest values were obtained from the IR50 (deficient irrigation) and also the differences between applications found to be statistically significant. Furthermore, the use of bioactivator on the strawberry plant, eco–physicological parameters were observed to affected positively as statistically significantly. Subjects which unused bioactivator were generally observed to decrease the eco–physicological characteristics, besides, they were also not found to be statistically significant on eco–physicological characteristics as multiple stress (applications × irrigation interaction). In the light of the study, it can be advised that the combination obtained from bioactivator × irrigation interaction for improved water use efficiency, although this was not validated statistically

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