Ruhsatlı Bazı Nematisitlerin Farklı Uygulama Zamanlarının Kök-ur Nematodu, Meloidogyne javanica Üzerine Etkisi

Year 2025, Volume: 11 Issue: 3, 304 - 313, 29.12.2025

Furkan Ulaş , Mustafa İmren

https://doi.org/10.24180/ijaws.1708965

Abstract

Kök-ur nematodları (KUN) (Meloidogyne spp.), sebze üretimi, özellikle domates üretimi için ekonomik açıdan en önemli bitki paraziti nematodlar (BPN) olarak kabul edilmektedir. KUN'u kontrol etmek için bir seçenek, günümüzde hala yaygın olarak kullanılan nematisitlerin uygulanmasıdır. Bu çalışmada, üç nematisitin (abamektin, fosthiazate ve fluopyram) KUN türü Meloidogyne javanica (Treub, 1885) (Tylenchida: Meloidogynidae) üzerindeki etkinliği değerlendirilmiştir. Nematisitler beş farklı zamanda uygulanmıştır: dikimden üç ila altı gün önce (A); dikimden hemen sonra (B); dikimden 15 gün sonra (C); 30 gün sonra (D); ve 45 gün sonra (E). Sonuçlar, kontrol (+) ile karşılaştırıldığında, en düşük gal oluşumu şu sırayla fluopyram (B) (1.60 ± 0.24), fosthiazate (A) (2.20 ± 0.20) ve abamectin (B) (3.20 ± 0.37) gözlemlenmiştir. En yüksek gal oluşumu abamektin (E) uygulamasında (5.60 ± 0.24) gözlemlenmiştir. Fluopyram (B), fostiazate (A) ve abamektin (B) uygulamaları, ikinci dönem larvaların (L2) sayısını sırasıyla %94.62, %91.38 ve %72.88 oranında azaltmıştır. Bu bulgular, nematisitlerin etkinliğinde uygulama zamanlamasının önemine işaret etmekte ve fluopyramın KUN yönetimi için etkili bir seçenek olduğunu göstermektedir, bu da yüksek verim ve sürdürülebilir tarımı desteklemektedir.

Keywords

Kök ur nematodu , Nematisit , Abamektin , Fosthiazate , Fluopyram

The Effect of Different Application Times of Some Registered Nematicides on the Root-Knot Nematode, Meloidogyne javanica

Abstract

Root-knot nematodes (RKNs) (Meloidogyne spp.) are considered the most economically important plant-parasitic nematodes (PPNs) for vegetable production, particularly for tomatoes. One control option for managing RKN is the application of nematicides, which is still widely used today. This study evaluated the efficacy of three nematicides (abamectin, fosthiazate and fluopyram) against the RKN species Meloidogyne javanica (Treub, 1885) (Tylenchida: Meloidogynidae). The nematicides were applied at five different times: three to six days before transplanting (A); just after transplanting (B); 15 days after transplanting (DAT) (C); 30 DAT (D); and 45 DAT (E). The results showed that, compared to the control (+), the lowest gall formation was observed in the following order: fluopyram (B) (1.60 ± 0.24), fosthiazate (A) (2.20 ± 0.20), and abamectin (B) (3.20 ± 0.37). The highest gall formation was observed in the abamectin (E) treatment (5.60 ± 0.24). Application of fluopyram (B), fosthiazate (A) and abamectin (B) reduced the number of second-stage juveniles (J2) by 94.62%, 91.38% and 72.88% respectively. These results point to the significance of application timing in the efficacy of nematicides and suggest that fluopyram is an effective option for the management of RKN, therefore advocating for high yields and sustainable agriculture.

Keywords

Root-knot nematode , Nematicide , Abamectin , Fosthiazate , Fluopyram

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