Trans-Cinnamik Asit ve Xenorhabdus szentirmaii MetabolitlerininBitki Patojeni Fungus Botrytis cinerea Mücadelesinde Kullanımı

Bu çalışmada Xenorhabdus szentirmaii bakteri supernatantı ile Photorhabdus luminescens bakteri metaboliti olantranscinnamik asit(TCA)’in çilek, marul gibi bitkilerde patojen Botrytis cinerea fungusuna karşı etkinliği testedilmiştir. Petri deneylerinde B. cinerea’ya karşı TCA ve X. szentirmaii’nin farklı konsantrasyonlarıuygulanmıştır. Petri deneylerindeki sonuçlara göre (%2)’lik TCA ve sentetik bir fungusit in vivo koşullardakombine edilmiştir. Çalışmanın petri deneylerinde, TCA X. szentirmaii’ye göre daha fazla inhibisyon meydanagetirmiştir. Fungusun gelişimini en fazla inhibe eden X. szentirmaii ise %10’luk konsantrasyonudur. Saksıdeneylerinde, fungusitin farklı konsantrasyonları ile TCA (%2) kombine edilerek marul fidelerine uygulanmıştır.Sonuç olarak TCA en az fungusit kadar B. cinerea’ya etkili bulunmuştur. Buna ek olarak TCA ve sentetik fungusitarasında yalnızca antagonistik bir ilişki gözlenmiştir.

Evaluation of Trans-cinnamic acid and Xenorhabdus szentirmaii metabolites against Botrytis cinerea

In this study we evaluated the inhibitory effect of cell-free supernatant of Xenorhabdus szentirmaii and transcinnamic acid (TCA), a metabolite of the bacteria Photorhabdus luminescens against Botrytis cinerea which is fungal pathogen of strawberry, lettuce etc. Different diluted concentrations of TCA and X. szentirmaii were evaluated against B. cinerea in petri assays. According to data from petri assays, TCA (2%) was combined with a synthetic fungicide in vivo conditions. In the results, TCA exhibited higher inhibition than X. szentirmaii supernatant in petri assays. The highest inhibition in fungal growth was only at 10% diluted concentration of X. szentirmaii. In pot experiments, different diluted concentrations of fungucide and TCA (%2) were combined on lettuce seedlings. As a result TCA is as effective as fungicide against B. cinerea. Furthermore TCA did not cause any phytotoxicity on lettuce. However only antogonistic interaction was observed between TCA and fungicide.

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