Senay MURAT DOĞRU, Hayati KAR, Mehtap ÖZBAKIR ÖZER, Nur KOBAL BEKAR

Kırmızı biber [Capsicum annuum L. var. conoides (Mill.) Irish] hibritlerinde verim, toplam çözünebilir madde ve kuru madde yönünden heterosis, heterobeltiosis ve dominans etkisinin belirlenmesi

Amaç: Bu çalışmanın amacı, kapya tipi kırmızı biberin verim, toplam çözünür madde ve kuru maddesi üzerine heterosis, heterobeltiosis ve dominans etkisini belirlemektir.Yöntem ve Bulgular: Çalışmada 11 kapya tipi kırmızı biber ebeveyni ve bu ebeveynlerin melezlerinden elde edilen 47 hibrit materyal olarak kullanılmıştır. Meyve verimi yönünden heterosis oranları -48.23 ile 80.68 arasında değişmiştir. En yüksek heterosis sırasıyla 209 YKB (%80.68), 239 YKB (%60.35), 225 YKB (%56.97) ve 195 YKB’de (%55.30) tespit edilmiştir. Toplam çözünür madde açısından heterosis oranları -33.70 ile 30.98 arasında değişmiştir. En yüksek heterosis oranı 218 YKB'de belirlenmiştir. Kuru madde bakımından en yüksek heterosis oranı ise 195 YKB'de %66,67 olarak hesaplanmıştır. Çalışma sonucunda hibritlerde en yüksek heterosis oranları veren ebeveynler genel olarak 39-H-2, 43-H-6 ve 45-H-5 olarak belirlenmiştir.Genel Yorum: Bu çalışmada heterosis oranları her üç özellik açısından da yüksek oranda pozitif yönde tespit edilmiştir. Heterosis kullanımı biberlerde verim ve diğer ekonomik özelliklerin artırılmasında pratik bir yöntem olarak gösterilebilir.Çalışmanın Önemi ve Etkisi: Elde edilen bu sonuçlar istenen özellikler bakımından öne çıkan çeşitlerin belirlenmesinde kullanılabilecektir.

Anahtar Kelimeler:

biber, heterosis, heterobeltiosis, dominans etkisi, verim

Heterosis, heterobeltiosis and dominance effect on yield, total soluble solid and dry matter of red pepper [Capsicum annuum L. var. conoides (Mill.) Irish] hybrids

Aims: The aim of this study is to estimate heterosis, heterobeltiosis and dominance effect on yield, total soluble solid and dry matter of capia type red pepper.Methods and Results: In this study 11 capia type red pepper parents and 47 hybrids obtained from crosses of these parents were used as materials. Heterosis in fresh fruit yield ranged from -48.23 to 80.68. The highest heterosis were recorded for 209 YKB (80.68%), 239 YKB (60.35%), 225 YKB (56.97%) and 195 YKB (55.30%), respectively. Heterosis rates of F1 changed between -33.70 and 30.98 in terms of total soluble solid. The highest heterosis rates was found in 218 YKB. In terms of dry matter, highest heterosis rate was calculated as 66.67% in 195 YKB. As a result of the study, 39-H-2, 43-H-6 and 45-H-5 were determined as the best parents giving the highest heterosis rates in crosses.Conclusions: In this study, heterosis rates were highly positive direction in terms of all three characteristics. The use of heterosis can be indicated as a practical method to increase yield and other economic characteristics in peppers.Significance and Impact of the Study: These results can be used to determine the varieties that become prominent in terms of desired characteristics.

Keywords:

pepper, heterosis, heterobeltiosis, dominance effect, yield,

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