Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.)

Fatma Polat; Volkan Mehmet Çınar; Aydın Ünay

doi:10.18016/ksutarimdoga.vi.1602295

TR EN

Pamukta (Gossypium hirsutum L.) Korelasyon, Stepwise ve Path Analizi

Öz

Özellikler arasındaki ilişkilerin iyi anlaşılması, yüksek verim ve kalite gibi arzu edilen özelliklere sahip pamuk genotiplerinin geliştirilmesi için seleksiyon kriterlerinin belirlenmesinde çok önemlidir. Bu amaçla, korelasyon, stepwise ve path analizi sonuçları anaçlar + F1 ve F2'den oluşan iki ayrı sette incelenmiştir. Kütlü pamuk verimi ile koza sayısı, ilk taraklanma gün sayısı ve ilk çiçeklenme gün sayısı arasındaki ilişkiler hem anaçlar + F1 hem de F2'de birbirine paralel, diğer tüm ilişkiler ise her iki veri setinde de farklı bulunmuştur. Koza sayısı her iki popülasyonda da kütlü pamuk verimi ve çırçır randımanı ile pozitif ve önemli korelasyon katsayılarına sahip bulunmuştur. Koza ağırlığı kütlü pamuk verimini olumlu yönde artırırken, çırçır randımanını olumsuz yönde etkilemiştir. Stepwise regresyon analizi sonucunda, anaçlar + F1'de kütlü pamuk verimi =-77.674 + 14.234 koza ağırlığı + 5.466 koza sayısı ve F2'de kütlü pamuk verimi = -47.367 + 11.627 koza ağırlığı + 5.163 koza sayısı + 2.933 tohum indeksi + 1.508 çırçır randımanı -3.362 lif uzunluğu olarak saptanmıştır. F2 generasyonunda lif kalite özelliklerini olumsuz etkilemeden verim ve çırçır randımanını artırmak için yüksek koza ağırlığı yönünde tek bitki seçimi yapılmalıdır.

Anahtar Kelimeler

Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.)

Abstract

A deep understanding of the associations between characteristics is crucial in determining selection criteria for the development of cotton genotypes with desirable traits such as high yield and fiber quality. For this purpose, the correlation, stepwise, and path analysis results were examined in two separate sets consisting of parents + F1 and F2. The relationships between seed cotton yield and boll number, days to first squaring, and days to first flowering were parallel in both parents + F1 and F2, whereas all other relationships were different in both data sets. Boll number significantly and positively correlated with seed cotton yield and ginning out-turn in both populations. Boll weight positively increased the seed cotton yield but negatively affected the ginning out-turn. As a result of stepwise regression analysis, seed cotton yield = -77.674 + 14.234 boll weight + 5.466 boll number in parents + F1 and seed cotton yield = -47.367 + 11.627 boll weight + 5.163 boll number + 2.933 seed index + 1.508 ginning out-turn -3.362 fiber length in F2. In F2 generation, a single plant with a high boll number per plant should be selected to increase seed cotton yield and ginning out-turn without negatively affecting fiber quality characteristics.

Keywords

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Endüstri Bitkileri

Bölüm

Araştırma Makalesi

Yazarlar

Fatma Polat
0009-0005-0622-2469
Türkiye

Volkan Mehmet Çınar
0000-0001-5822-5649
Türkiye

Aydın Ünay ^*
0000-0002-7278-4428
Türkiye

Erken Görünüm Tarihi

18 Ekim 2025

Yayımlanma Tarihi

1 Ocak 2026

Gönderilme Tarihi

16 Aralık 2024

Kabul Tarihi

18 Haziran 2025

Yayımlandığı Sayı

Yıl 2026 Cilt: 29 Sayı: 1

DOI

https://doi.org/10.18016/ksutarimdoga.vi.1602295

IZ

https://izlik.org/JA99AE95JD

Kaynak Göster

RIS / Bibtex

APA

Polat, F., Çınar, V. M., & Ünay, A. (2026). Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.). Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, 29(1), 71-78. https://doi.org/10.18016/ksutarimdoga.vi.1602295

Pamukta (Gossypium hirsutum L.) Korelasyon, Stepwise ve Path Analizi

Öz

Anahtar Kelimeler

Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.)

Abstract

Keywords

Kaynakça

Ayrıntılar

Birincil Dil

Konular

Bölüm

Yazarlar

Erken Görünüm Tarihi

Yayımlanma Tarihi

Gönderilme Tarihi

Kabul Tarihi

Yayımlandığı Sayı

DOI

IZ

Kaynak Göster

e-ISSN: 2619-9149