Determination of the crop losses by sunn pest (Eurygaster maura L. Hemiptera: Scutelleridae) and economic damage threshold in Central Anatolia Region
Abstract
This study was carried out to determine economic damage threshold of sunn pest (Eurygaster maura L. Hemiptera: Scutelleridae) in the field conditions in Central Anatolia Region. Revealing the economic damage threshold was based on the damage rate of kernel (rate of consume). According to the results, it was determined that there was no damage of dry-heart leaves caused by overwintered adult. Also, it was revealed that the white spike damage was too low (0.09) to control this pest. It was determined that the quality losses were occured in lower populations compared to quantitative losses caused by new generation adults and nymphs. It was found out that the rate of kernel damage was changed by depending on the pest, number of kernel and number of kernel in spikes in per square meter. When average of 407 spikes in m2, 26 number of kernel in spikes and 3.5% of disturbed quality of wheat acceptable upper rate of kernel damage tolerance limit were taken in the conditions of average climate for many years in Central Anatolia Region it was determined that the threshold of economic damage was appropriate as 7 individuals/m2. However, it was concluded that it would be appropriate to revise the threshold of economic damage only that year, if necessary, by evaluating conditions of climate which effect yield of wheat until to control sunn pest.
Keywords
References
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Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Authors
Mümtaz Özkan
Zirai Mücadele Merkez Araştırma Enstitüsü, Ankara
Türkiye
Numan Ertuğrul Babaroğlu
Zirai Mücadele Merkez Araştırma Enstitüsü, Ankara
Türkiye
Atilla Gökdoğan
This is me
Mustafa Kan
Ahi Evran Üniversitesi, Ziraat Fakültesi, Kırşehir, Türkiye
Türkiye
Erhan Koçak
This is me
SÜLEYMAN DEMİREL ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ
Türkiye
Publication Date
June 30, 2017
Submission Date
March 17, 2017
Acceptance Date
May 23, 2017
Published in Issue
Year 2017 Volume: 57 Number: 2
