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Journals / Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi / 2017 / Cilt: 34 - Sayı: 1

Determining Powdery Mildew (Podosphaeraaphanis var. aphanis) Risk Areas for Wild Strawberry (Fragariavesca)in Turkey by Geographic Information Systems

HAKAN METE DOĞAN
Nusret ZENCİRCİ
ÖZER ÇALIŞ
Çisem Nildem DOĞAN
Pages
252–263
DOI
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AI Summary & Key Takeaways

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

Accuracy changed between 75.68 % and 83.33 % in monthly basis, and overall accuracy was determined as 80.00 %.The results of this study supplied a good and reliable basis to control the disease.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Powdery mildew caused by Podosphaeraaphanis var. aphanis mostly infects the wild and cultivated strawberries in Turkey.
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Key Findings & Data:This reduces yield, quality, and market value of the fruit.
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Conclusion & Impact:Accuracy changed between 75.68 % and 83.33 % in monthly basis, and overall accuracy was determined as 80.00 %.The results of this study supplied a good and reliable basis to control the disease.
🔬Design:Research Article
📍Scope:2015 Verileri
⚙️Variables:Ecology · early warning · GIS

Abstract

Powdery mildew caused by Podosphaeraaphanis var. aphanis mostly infects the wild and cultivated strawberries in Turkey. The disease affects leaves, stems and fruits. Mycelia of the fungi inhibit the photosynthesis and nutrients uptake from the host cells. This reduces yield, quality, and market value of the fruit. In Turkey, intense strawberry cultivations in Mediterranean and Aegean regions are mainly influenced by contamination levels of nursery plants. However, scattered wild strawberry cultivations (Fragaria vesca) in Marmara and Black Sea regions are mainly affected by environmental conditions, particularly by the climate. Determining spatial distribution of powdery mildew of wild strawberry in Turkey is important for plant protection experts, producers, and breeders. In this study, powdery mildew risk areas for wild strawberry in Turkey were spatially analyzed and mapped in geographic information systems (GIS). In analyzing and mapping process, climatic raster maps and optimal climatic requirements of the disease were utilized. According to the produced raster maps, disease risk areas concentrated in the Black Sea and Marmara geographic regions of Turkey between May and October. Powdery mildew risk areas covered maximum area (3141.18 km2) in October, and these areas were detected in Istanbul (2790.92 km2), Sinop (215.0 km2), and Giresun (155.26 km2) provinces, respectively. Accuracy assessment of each risk map was performed by using geo-referenced field data collected between May and October in 2015. Accuracy changed between 75.68 % and 83.33 % in monthly basis, and overall accuracy was determined as 80.00 %.The results of this study supplied a good and reliable basis to control the disease.

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Cite This Article

DOĞAN, H. M., ZENCİRCİ, N., ÇALIŞ, Ö., DOĞAN, Ç. N. (2017). Determining Powdery Mildew (Podosphaeraaphanis var. aphanis) Risk Areas for Wild Strawberry (Fragariavesca)in Turkey by Geographic Information Systems. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi, Cilt: 34 - Sayı: 1, 252–263. https://ajindex.com/articles/224795

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