Determination of the Effectiveness of Biochar Against Root-Knot Nematodes [(Meloidogyne spp.) (Tylenchida: Meloidogynidae)] in Greenhouse Cucumber Cultivation

Öz

This study was conducted under greenhouse conditions on cucumber plants in 2022 to determine the effectiveness of biochar against root-knot nematodes (Meloidogyne spp.). In the trial, three different doses of biochar (250, 375, and 500 kg/da), one chemical reference treatment, and an untreated control group were evaluated using a Randomized Complete Block Design. According to the results obtained, the effects of biochar applications were determined as 31.49% on plant height, 35.37% on yield, and 64.58% on the reduction of root gall formation. Statistical analyses revealed that there were no significant differences among treatments in terms of plant height, whereas the differences observed in root gall index and yield parameters were found to be statistically significant (P<0.05). These findings indicate that biochar exhibits a dose-dependent effect, particularly in reducing root damage caused by root-knot nematodes, and can provide positive contributions to yield-related parameters. However, in order to more clearly elucidate the underlying mechanisms of action, it is essential to conduct further comprehensive field and greenhouse studies across different soil types, long-term applications, and various crop species.

Anahtar Kelimeler

• Biochar
• Cucumber
• Greenhouse
• Nematode
• Efficacy

Örtüaltı Hıyar Yetiştiriciliğinde Biyoçarın Kökur Nematodları [(Meloidogyne spp.) (Tylenchida: Meloidogynidae)]’na Etkinliğinin Belirlenmesi

Öz

Bu çalışma, örtüaltı hıyar yetiştiriciliğinde biyoçar uygulamalarının kökur nematodları (Meloidogyne spp.)’na karşı etkinliğini belirlemek amacıyla 2022 yılında yürütülmüştür. Araştırmada, biyoçarın üç farklı dozu (250, 375 ve 500 kg/da), bir kimyasal karşılaştırma uygulaması ve bir muamele görmemiş kontrol grubu, Tesadüf Blokları Deneme Deseni esas alınarak değerlendirilmiştir. Elde edilen sonuçlara göre, biyoçar uygulamalarının bitki boyu üzerine etkisi %31,49, verim üzerine etkisi %35,37 ve köklerdeki ur oluşumunu azaltmadaki etkisi %64,58 olarak belirlenmiştir. Yapılan istatistiksel analizler, bitki boyu bakımından uygulamalar arasında anlamlı bir farklılık bulunmadığını ortaya koyarken, kök ur indeksi ve verim parametreleri aralarına oluşan farklar istatistiksel olarak önemli bulunmuştur (P<0,05). Bu bulgular, biyoçarın özellikle kökur nematodlarının neden olduğu kök zararlarının azaltılmasında doza bağlı bir etki gösterdiğini ve verim parametreleri üzerinde olumlu katkılar sağlayabildiğini ortaya koymaktadır. Bununla birlikte, etki mekanizmasının daha net ortaya konulabilmesi için farklı toprak tipleri, uzun dönem uygulamalar ve farklı kültür bitkileri üzerinde kapsamlı tarla ve sera denemelerinin yapılması gerekliliği önem arz etmektedir.

Anahtar Kelimeler

• Biyoçar
• Hıyar
• Sera
• Nematod
• Etkinlik

Kaynakça

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