Alime BAYINDIR, Şenay ÖZGER, Ali Kemal BİRGÜCÜ

Bazı Bitkisel Ekstraktların Myzus persicae’nin Biyolojisine Etkisi

Bu çalışmada Gamma-T-Ol, Fungatol ve Fungatol+Neem Sprey (50.0-001) ekstraktlarının biber bitkisi üzerinde Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae)’ye laboratuvar koşullarında uygulanması sonucunda yaşam çizelgeleri oluşturulmuştur. Her bir ekstrakt ve kontrol grubu için denemeler 25 tekerrürlü olacak şekilde yürütülmüştür. Denemeler 25 °C sıcaklık, % 65 nisbi nem ve 16:8 fotoperyot koşullarının sağlandığı iklim kabinlerinde sürdürülmüştür. Elde edilen veriler Euler-Lotka eşitliğinin kullanıldığı yaşam çizelgesine göre değerlendirilmiştir. Uygulama gruplarında M. persicae bireylerinin kalıtsal üreme yeteneği (rm) sırasıyla 0.34, 0.33, 0.24 ve 0.37 dişi/dişi/gün olarak hesaplanmıştır. Ergin ömrü sırasıyla 9.05, 10.88, 9.14 ve 13.08 gün olarak belirlenmiştir. Çalışma sonucunda, Fungatol+Neem Sprey (50.0-001) karışımının M. persicae’nin üreme ve gelişimi üzerine en etkili bitkisel ekstrakt olduğu belirlenmiştir. Bu bitkisel ekstrakt karışımının zararlıya karşı uygulanacak mücadele yöntemi içerisinde kullanımının, entegre zararlı yönetimi içerisinde biyolojik mücadele uygulamaları açısından, avantaj sağlayacağı düşünülmektedir. Daha sonraki çalışmalarda, bu bitkisel ekstrakt karışımının biyolojik mücadele etmenleri üzerine etkisinin araştırılması faydalı olacaktır.

Anahtar Kelimeler:

Bitkisel ekstraktlar, biber, Myzus persicae, yaşam çizelgesi

Effects of Some Plant Extracts on Biology of Myzus persicae

In this study, life tables of Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae) individuals reared on pepper plant were formed after exposed to Gamma-T-Ol, Fungatol and Fungatol+Neem Sprey (50.0-001) extracts. Experiments for each treatment, and control group were designed as at least 25 replicates and conducted in a climatic chamber set to 25°C temperature, 65% relative humidity and 16:8 (L:D) photoperiod conditions. The data obtained from experiment were evaluated according to Euler-Lotka equation. The intrinsic rates (rm) of populations exposed to these extracts were calculated as 0.34, 0.33, 0.24, and 0.37 females/female/day, respectively. Longevities of these populations were determined 9.05, 10.88, 9.14, and 13.08 days, respectively. Consequently, Fungatol+Neem Sprey (50.0-001) was found as the most effective extract on reproductively and development of M. persicae. It is thought that the use of this plant extract in controlling the pest will provide an advantage in terms of biological control applications in integrated pest management concept. Further studies to be conducted on side effects of Fungatol+Neem Sprey (50.0-001) will be beneficial.

Keywords:

Plant extacts, pepper plant, Myzus persicae, life table,

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