Additive main effects and multiplicative interactions analysis of yield in popcorn (Zea mays everta L.) hybrids

Year 2012, Volume: 25 Issue: 2, 117 - 121, 01.12.2012

Ş. Erdal E. Özata M. Pamukçu O. Savur M. Tezel R. R. Cengiz

Abstract

This study was conducted to investigate the yield performances of 14 popcorn hybrids across four environments representing four different geographical regions of Turkey. The experiment was conducted as a randomized complete block design with three replications. The analysis of variance showed that genotype (G), environment (E) and genotype by environment interactions (GEI) were highly significant and captured 12.9 %, 67.9 % and 19.2 % sum of squares, respectively. For explaining GEI effect on yield and generating knowledge about stability of the hybrids, additive main effects and multiplicative interactions analysis (AMMI) was used. A biplot graph of 14 popcorn hybrids and four environments for yield using genotypic and environmental scores constructed from the first two AMMI terms was a useful picture to see overall genotype and environmental situations According to the results of the biplot graph, some genotypes performed better on some specific environments than others. G1 was selected for its stability across the environments. Besides, G2, G3, G4 and G6 popcorn candidate hybrids can be considered as promising due to their yield performances.

Keywords

Popcorn, Hybrid, Genotype by environment interaction, AMMI analysis

Cin mısır (Zea mays everta L.) hibritlerinde tane veriminin eklemeli ana etkiler ve çarpımsal interaksiyonlar analizi

Abstract

Bu araştırma, 14 adet cin mısır melezinin dört farklı coğrafik bölgede verim performanslarını
belirlemek amacıyla yapılmıştır. Çalışma tesadüf blokları deneme desenine göre 3 tekerrürlü
olarak yürütülmüştür. Genotip, çevre ve genotip x çevre interaksiyonları yapılan varyans
analizinde önemli olarak bulunmuş ve kareler toplamı değerleri sırasıyla % 12,9, % 67,9 ve %
19,2 şeklinde saptanmıştır. Genotip x çevre interaksiyonunun verim üzerine olan etkisini
açıklamak ve hibritlerin stabilite durumları hakkında bilgi elde etmek için eklemeli ana etkiler
ve çarpımsal interaksiyonlar analizi (AMMI) kullanılmıştır. İlk iki AMMI öğesinin genotip ve
çevresel değerlerinden hesaplanarak oluşturulan biplot grafiği genotip ve çevreler hakkında
yararlı bilgiler vermiştir. Analize göre, genotipler arasında G1 aday çeşidi bütün çevreler
dikkate alındığında en stabil genotip olarak saptanmıştır. Ayrıca, G2, G3, G4 ve G6 kodlu
aday genotipler ümitvar melezler olarak değerlendirilmiştir.

Keywords

Cin mısır, Hibrit, Genotip çevre interaksiyonu, AMMI analizi

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