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Journals / Bitki Koruma Bülteni / 2026 / Cilt: 66 Sayı: 2

Determination of Puccinia striiformis f.sp. tritici races of wheat in İzmir and Manisa provinces in Türkiye

İzmir ve Manisa illerinde buğdayda sarı pas ırklarının belirlenmesi

Güliz Tepedelen Ağaner(Zirai Mücadele Araştırma Enstitüsü Müdürlüğü, Bornova, İzmir)0000-0003-3532-3232
Figen Yıldız0000-0002-9562-5657
Pages
139–147
Publication Date
2026-06-30
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the findings, all isolates were found to be virulent on Yr2, Yr6, Yr7, Yr8, Yr17, Yr25 and Yr27 genes and avirulent on Yr1, Yr5, Yr10, Yr15, Yr24 and YrSp genes.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a major source of yield loss in wheat production in Türkiye.
📊
Key Findings & Data:Field surveys were conducted between March and May 2021 to determine the prevalence of this disease in the provinces of İzmir and Manisa and to identify existing rust races.
💡
Conclusion & Impact:According to the findings, all isolates were found to be virulent on Yr2, Yr6, Yr7, Yr8, Yr17, Yr25 and Yr27 genes and avirulent on Yr1, Yr5, Yr10, Yr15, Yr24 and YrSp genes.
🔬Design:Survey & Empirical Study
📍Scope:2021 Verileri
⚙️Variables:buğday · sarı pas · Puccinia striiformis f.sp. tritici

Abstract

Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a major source of yield loss in wheat production in Türkiye. Field surveys were conducted between March and May 2021 to determine the prevalence of this disease in the provinces of İzmir and Manisa and to identify existing rust races. While no disease symptoms were found in 45 of the 71 wheat fields examined, yellow rust infection was detected in 26 fields. Twenty Pst isolates obtained from diseased leaves were subjected to characterisation studies following spore multiplication. Race analysis was performed using seedling stage tests and used differential set containing 19 Yr single genes. According to the findings, all isolates were found to be virulent on Yr2, Yr6, Yr7, Yr8, Yr17, Yr25 and Yr27 genes and avirulent on Yr1, Yr5, Yr10, Yr15, Yr24 and YrSp genes.

Özet

Puccinia striiformis f. sp. tritici (Pst)’nin neden olduğu sarı pas, Türkiye'de buğday üretiminde verim kaybının başlıca nedenlerinden biridir. Bu hastalığın İzmir ve Manisa illerindeki yaygınlığını belirlemek ve mevcut pas ırklarını tanımlamak amacıyla 2021 yılı Mart–Mayıs ayları arasında arazi sürveyleri yürütülmüştür. İncelenen toplam 71 buğday tarlasının 45’inde hastalık belirtisine rastlanmazken, 26 tarlada sarı pas enfeksiyonu tespit edilmiştir. Hastalıkla bulaşık yapraklardan elde edilen 20 Pst izolatı spor çoğaltma işlemlerinin ardından karakterizasyon çalışmalarına tabi tutulmuştur. Irk analizi çalışmaları fide dönemi testleri ile gerçekleştirilmiş ve 19 adet Yr tek genini içeren ırk ayırıcı set kullanılmıştır. Elde edilen bulgulara göre tüm izolatların Yr2, Yr6, Yr7, Yr8, Yr17, Yr25 ve Yr27 genlerine karşı virülent; Yr1, Yr5, Yr10, Yr15, Yr24 ve YrSp genlerine karşı avirülent oldukları belirlenmiştir.

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Cite This Article

Ağaner, G. T., Yıldız, F., *, G. T. A. (2026). Determination of Puccinia striiformis f.sp. tritici races of wheat in İzmir and Manisa provinces in Türkiye. Bitki Koruma Bülteni, Cilt: 66 Sayı: 2, 139–147. https://doi.org/10.16955/bitkorb.1858471

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