Planococcus citri Risso, 1813 (Hemiptera: Pseudococcidae)’nin sabit ve değişken sıcaklıklarda bazı biyoekolojik özellikleri

Cilt: 41 Sayı: 2 25 Nisan 2017
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Bioecological characteristics of Planococcus citri Risso, 1813 (Hemiptera: Pseudococcidae) under constant and alternating temperatures

Abstract

Planococcus citri Risso, 1813 (Hemiptera: Pseudococcidae), is one of the major pest of citrus and many other orchards crops, and ornamental plants in subtropical and tropical regions of the world. The influence of temperature on P. citri development and fecundity has a critical role in integrated pest management strategies to reduce the population to below the economic threshold by biological or chemical control methods. The study investigated some bioecological characteristics, such as, development time, duration of biological stages, sex ratio, daily and total fecundity per female, and longevity of P. citri, under different temperature regimes during 2015-2016 in Citrus Pest Laboratory at Çukurova University. The shortest egg stage development for females and males were determined as 2.7 and 2.7 d with alternating temperatures of 25/30°C (12:12 h), respectively. The first nymph stage lasted 7.86 d for females, and 8.1 d for males at 25°C. The longest duration for the second nymph stage was obtained at 15°C with 25.7 and 22.5 d for females and males, respectively. The third nymph stage for P. citri females completed in 7.0 d at 25°C, and the pupal stage for P. citri males lasted 7.8 d at 25°C. The development thresholds of females and males were calculated as 8.5 and 9.5°C, respectively. Also, thermal constants of females and males were 666.67 and 500.00 degree-days. The optimum development temperature was determined as 25/30°C.

Keywords

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

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Bölüm

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Yayımlanma Tarihi

25 Nisan 2017

Gönderilme Tarihi

14 Kasım 2016

Kabul Tarihi

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Yayımlandığı Sayı

Yıl 2017 Cilt: 41 Sayı: 2

Kaynak Göster

APA
Satar, S., & Karacaoğlu, M. (2017). Bioecological characteristics of Planococcus citri Risso, 1813 (Hemiptera: Pseudococcidae) under constant and alternating temperatures. Turkish Journal of Entomology, 41(2), 147-157. https://doi.org/10.16970/ted.88994

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