Response to selection for increased pupa weight in Tribolium castaneum in different environments

BERGER, Philip J.; KONCAGÜL, Seyrani

Response to selection for increased pupa weight in Tribolium castaneum in different environments

Seyrani KONCAGÜL, (Harran Üniversitesi, Ziraat Fakültesi, Şanlıurfa, Türkiye)

Philip J. BERGER (Harran Üniversitesi, Ziraat Fakültesi, Şanlıurfa, Türkiye)

Harran Üniversitesi Ziraat Fakültesi Dergisi

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Yıl: 2006 Cilt: 10 Sayı: 3-4 Sayfa Aralığı: 1 - 10 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Response to selection for increased pupa weight in Tribolium castaneum in different environments

Öz:

Tribolium castaneum'larda pupa ağırlığını artırmaya yönelik tek bir kantitatif karakter bakımından seleksiyon farklı çevrelerde 23 generasyon boyunca uygulandı. Bu çalışma, üzerinde durulan karakterler bakımından başka populasyonlardaki performansları artırmak için ticari hayatta sık sık uygulanan sperm alış verişini ve çiftleştirme sistemlerini kapsayan seleksiyon düzenini tanımlamaktadır. Çalışmanın başlıca amaçları, farklı çevre şartları altında pupa ağırlığını artırmak için uygulanan seleksiyonda ilerlemeleri tahmin etmek, ve denemenin geneli için genetik parametre ve varyasyon unsurlarının tahmin edilmesidir. Veriler, seleksiyonda ilerleme ve parametreleri tahmin etmek için bireysel hayvan modeli esas alınarak MTDFREML prosedürü ile analiz edildi. Deneme süresince eklemeli genetik varyans nispi olarak değişmedi. Toplam fenotipik varyans generasyonlar boyunca arttı. Fenotipik varyanstaki artışlar, sabit çevre ve hata varyansının artmasından dolayı olduğu sonucuna varılmıştır. Yirmiüç generasyonluk seleksiyondan sonra, pupa ağırlığının kalıtım derecesi (h2=0.21±0.02) başlangıç populasyonundaki tahminden (h2=0.36±0.02) daha az olarak tahmin edilmiştir.

Anahtar Kelime: fenotip seleksiyonda ilerleme hayvan modelleri pupa ağırlığı Tribolium castaneum genetik parametreler değişkenlik unsurları böcekler

Konular: Ziraat Mühendisliği

Tribolium castaneum' ların pupa ağırlığı bakımından farklı çevrelerde yapılan seleksiyonda gösterdikleri irdeleme

Öz:

Selection for a single quantitative trait, increased pupa weight in Tribolium castaneum, was applied over 23 generations to enhance growth and development in four different environments. This research describes a selection and mating scheme frequently occurring in commercial populations of livestock where there is an exchange of elite germplasm to enhance performance in other populations. Main objectives of the present study were to estimate the response to selection for increased pupa weight under different environmental settings, to estimate variance components and parameters across environments for the whole experiment. The data were analyzed by using a derivative-free restricted maximum likelihood (MTDFREML) procedure with a univariate animal model for estimating response to selection and parameters. Additive genetic variance remained relatively constanftnroughout the experiment. Total phenotypic variance increased across generations. Changes in phenotypic variance were attributed to changes in common environmental variance and error variance throughout the duration of the experiment. After 23 generations of selection, heritability (h2) of pupa weight was less than the estimate in the base population, 0.21 ± 0.02, and 0.36 ± 0.02, respectively.

Anahtar Kelime: genetic parameters variance components insects phenotypes selection responses animal models pupal weight Tribolium castaneum

Konular: Ziraat Mühendisliği

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	KONCAGÜL S, BERGER P (2006). Response to selection for increased pupa weight in Tribolium castaneum in different environments. , 1 - 10.
Chicago	KONCAGÜL Seyrani,BERGER Philip J. Response to selection for increased pupa weight in Tribolium castaneum in different environments. (2006): 1 - 10.
MLA	KONCAGÜL Seyrani,BERGER Philip J. Response to selection for increased pupa weight in Tribolium castaneum in different environments. , 2006, ss.1 - 10.
AMA	KONCAGÜL S,BERGER P Response to selection for increased pupa weight in Tribolium castaneum in different environments. . 2006; 1 - 10.
Vancouver	KONCAGÜL S,BERGER P Response to selection for increased pupa weight in Tribolium castaneum in different environments. . 2006; 1 - 10.
IEEE	KONCAGÜL S,BERGER P "Response to selection for increased pupa weight in Tribolium castaneum in different environments." , ss.1 - 10, 2006.
ISNAD	KONCAGÜL, Seyrani - BERGER, Philip J.. "Response to selection for increased pupa weight in Tribolium castaneum in different environments". (2006), 1-10.

APA	KONCAGÜL S, BERGER P (2006). Response to selection for increased pupa weight in Tribolium castaneum in different environments. Harran Üniversitesi Ziraat Fakültesi Dergisi, 10(3-4), 1 - 10.
Chicago	KONCAGÜL Seyrani,BERGER Philip J. Response to selection for increased pupa weight in Tribolium castaneum in different environments. Harran Üniversitesi Ziraat Fakültesi Dergisi 10, no.3-4 (2006): 1 - 10.
MLA	KONCAGÜL Seyrani,BERGER Philip J. Response to selection for increased pupa weight in Tribolium castaneum in different environments. Harran Üniversitesi Ziraat Fakültesi Dergisi, vol.10, no.3-4, 2006, ss.1 - 10.
AMA	KONCAGÜL S,BERGER P Response to selection for increased pupa weight in Tribolium castaneum in different environments. Harran Üniversitesi Ziraat Fakültesi Dergisi. 2006; 10(3-4): 1 - 10.
Vancouver	KONCAGÜL S,BERGER P Response to selection for increased pupa weight in Tribolium castaneum in different environments. Harran Üniversitesi Ziraat Fakültesi Dergisi. 2006; 10(3-4): 1 - 10.
IEEE	KONCAGÜL S,BERGER P "Response to selection for increased pupa weight in Tribolium castaneum in different environments." Harran Üniversitesi Ziraat Fakültesi Dergisi, 10, ss.1 - 10, 2006.
ISNAD	KONCAGÜL, Seyrani - BERGER, Philip J.. "Response to selection for increased pupa weight in Tribolium castaneum in different environments". Harran Üniversitesi Ziraat Fakültesi Dergisi 10/3-4 (2006), 1-10.