Incidence and economic impact of the mint aphid, Eucarazzia elegans (Ferrari) (Hemiptera: Aphididae) on common sage
Abstract
A survey and laboratory experiments were conducted on incidence rates and economic impact of Eucarazzia elegans (Ferrari) (Hemiptera: Aphididae) in Salvia officinalis L. (Lamiaceae). The investigations were purposively performed on conventionally grown common sage in Bornova and Menemen, Izmir-Turkey. Experiments were set up with zero, normal and double population densities of the aphid. The corresponding treatments 0 (no exposure), 2, 4, 6, 8, 10 and 12 weeks (complete exposure) were used for evaluating economic impact. Eucarazzia elegans infested old leaves with an incidence rate of 9.5% in the early spring and then migrated to young leaves and blossom at the beginning of the summer with the incidence rate of 1.1%. The seasonal distribution of the aphid was affected more by temperature than humidity and rainfall. Although the aphid infestation had no differences on the quantity of the essential oil, some of the essential oil components were markedly different from the control. The total plant weights (fresh and dry) with the normal and double infestation rate were decreased about a third and more than a half compared to the control, respectively. Aphids feeding on common sage beyond 8-10 weeks caused more than 50% yield loss. The highest cost-benefit ratio was achieved in plots where six insecticide applications were made.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
İngilizce
Konular
-
Bölüm
Araştırma Makalesi
Yazarlar
Agustin Zarkanı
Indonesia
Ferit Turanlı
Türkiye
Çiğdem Sönmez
Türkiye
Emine Bayram
Türkiye
İşıl Özdemir
Türkiye
Yayımlanma Tarihi
23 Aralık 2017
Gönderilme Tarihi
13 Eylül 2017
Kabul Tarihi
28 Şubat 2018
Yayımlandığı Sayı
Yıl 2017 Cilt: 41 Sayı: 4
Cited By
Türkiye’de Adaçayı Yetiştiriciliği ve Ticari Önemi
Uluslararası Doğu Anadolu Fen Mühendislik ve Tasarım Dergisi
https://doi.org/10.47898/ijeased.880596