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

Abstract

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.

Keywords

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

References

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Details

Primary Language

English

Subjects

Industrial Crops

Journal Section

Research Article

Authors

Fatma Polat
0009-0005-0622-2469
Türkiye

Volkan Mehmet Çınar
0000-0001-5822-5649
Türkiye

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

Early Pub Date

October 18, 2025

Publication Date

January 1, 2026

Submission Date

December 16, 2024

Acceptance Date

June 18, 2025

Published in Issue

Year 2026 Volume: 29 Number: 1

DOI

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

IZ

https://izlik.org/JA99AE95JD

Cite

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

AMA

1.Polat F, Çınar VM, Ünay A. Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.). KSU J. Agric Nat. 2026;29(1):71-78. doi:10.18016/ksutarimdoga.vi.1602295

Chicago

Polat, Fatma, Volkan Mehmet Çınar, and Aydın Ünay. 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.

EndNote

Polat F, Çınar VM, Ünay A (January 1, 2026) Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.). Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi 29 1 71–78.

IEEE

[1]F. Polat, V. M. Çınar, and A. Ünay, “Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.)”, KSU J. Agric Nat., vol. 29, no. 1, pp. 71–78, Jan. 2026, doi: 10.18016/ksutarimdoga.vi.1602295.

ISNAD

Polat, Fatma - Çınar, Volkan Mehmet - Ünay, Aydın. “Correlation, Stepwise and Path Analysis in Cotton (Gossypium Hirsutum L.)”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi 29/1 (January 1, 2026): 71-78. https://doi.org/10.18016/ksutarimdoga.vi.1602295.

JAMA

1.Polat F, Çınar VM, Ünay A. Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.). KSU J. Agric Nat. 2026;29:71–78.

MLA

Polat, Fatma, et al. “Correlation, Stepwise and Path Analysis in Cotton (Gossypium Hirsutum L.)”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, vol. 29, no. 1, Jan. 2026, pp. 71-78, doi:10.18016/ksutarimdoga.vi.1602295.

Vancouver

1.Fatma Polat, Volkan Mehmet Çınar, Aydın Ünay. Correlation, Stepwise and Path Analysis in Cotton (Gossypium hirsutum L.). KSU J. Agric Nat. 2026 Jan. 1;29(1):71-8. doi:10.18016/ksutarimdoga.vi.1602295