Chemigation for fusarium wilt and root rot management on melon

Öz

This research was carried out to determine the effectiveness of chemigation method on yield, fungicide use efficiency (FUE) and net return of melon (Cucumis melo cv. Edalı) in combating soil–borne fungal pathogens (Fusarium oxysporum f. sp. melonis and Macrophomina phaseoli). The experiment was conducted in a naturally infested field as in the randomized blocks design with four replications in Konya–Çumra, Turkey, ecological conditions. The experimental plots consisted of chemigation with different active ingredient (Fludioxonil+Metalaxyl–M–F1 and Hymexazol–F2), traditional application and no fungicide. While fungicide applications with chemigation method were made two times including together with planting and 15 days after planting, traditional practice was made once on 15th day after planting by spraying. Every two years, management through chemigation on yield and the fight aganist soil–borne pathogen gave better results than both control and traditional combat. The highest yield (1.97–2.66 t da–1, respectively) was obtained from F1 applications. Besides, according to net return, there were significantly differences among the treatments. The maximum net income was obtained from F1 treatment that were ₺ 1 419 ha–1.

Anahtar Kelimeler

• soil-borne pathogens,chemigation,yield,fungicide,FUE,net return,melon

Kavunda solgunluk ve kök çürüklüğü ile mücadelede kemigasyon

Öz

Bu çalışma kavunda (Cucumis melo cv. Edalı) toprak kökenli fungal patojenlerle (Fusarium oxysporum f. sp. melonis, Macrophomina phaseoli) mücadelede kemigasyon metodunun verim, fungusit kullanım etkinliği (FUE) ve ekonomisi üzerine etkisini belirlemek için yürütülmüştür. Deneme tesadüf blokları deneme deseninde ve 4 tekerrürlü olarak hastalığın doğal olarak bulaşık olduğu çiftçi tarlasında Konya–Çumra ekolojik koşullarında kurulmuştur. Deneme uygulamalarını farklı etken maddeli 2 fungusitin (Fludioxonil+Metalaxyl–M–F1 ve Hymexazol–F2) kemigasyon yolu ile uygulanması, geleneksel mücadele ve ilaçsız uygulama oluşturmuştur. Fungusit uygulaması kemigasyon metoduyla dikimle birlikte ve 15 gün sonra yapılırken, geleneksel uygulama ise püskürtme şeklinde dikimden 15 gün sonra yapılmıştır. Her iki yılda da, kemigasyon yolu ile ilaçlama verim ve toprak kökenli patojenlerle mücadelede hem kontrol hem de geleneksel mücadeleden daha iyi sonuç vermiştir. En yüksek verim (1.97–2.66 t da–1) her iki yılda da F1 uygulamasından elde edilmiştir (p<0.01). Ayrıca ekonomik analiz sonuçlarına göre de uygulamalar arasında önemli farklılıklar bulunmuştur. En fazla hektara net gelir F1 uygulamasından 1 419 ₺ olarak elde edilmiştir.

Anahtar Kelimeler

• toprak kökenli patojen,kemigasyon,verim,fungusit,FUE,ekonomik analiz,kavun

Kaynakça

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