Startseite Stability of Single and Three-Way Cross Hybrids for Seed Yield and Other Important Agronomic Traits in Sunflower (Helianthus annuus L.)
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Stability of Single and Three-Way Cross Hybrids for Seed Yield and Other Important Agronomic Traits in Sunflower (Helianthus annuus L.)

  • S Neelima EMAIL logo und K. G. Parameshwarappa
Veröffentlicht/Copyright: 13. September 2017
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Helia
Aus der Zeitschrift Helia Band 40 Heft 67

Abstract

A stability analysis was carried out using nine single crosses and fifteen diverse three-way crosses for nine traits across three locations viz., Dharwad, Annigeri and Raichur during Kharif 2006. The analysis of variance for stability revealed significant differences among the hybrids for all the characters except head diameter and 100 seed weight. The additive environmental variance found to be of considerable magnitude as indicated by the significance of variance due to environment (linear) for all the characters thus implying that no simple relationship existed between genotypes and the environment. The single cross hybrids CMS 17 A x RHA-95-C-1 and DCMS 51 A x RHA-6D-1 excelled in their mean performance for seed yield however, two three-way hybrids CMS 234 A x DSI-2 x RHA-6D-1 and DCMS 51 A x DSI-1017 x RHA-6D-1 regarded as the best for high seed yield besides well adaptability. Diversification of leading single cross hybrids such as RSFH-1, KBSH-44, KBSH-1 and DCMS 51 A with inbreds DSI-2 and DSI-1017 and consequent their three way crosses excelled in performance for a majority of the traits such as head diameter, number of filled seeds per head, 100 seed weight and seed yield per plant.


Part of Ph.D. (Agri) Thesis, submitted by the senior author to the Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad-580,005

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Received: 2016-11-28
Accepted: 2017-7-3
Published Online: 2017-9-13
Published in Print: 2017-12-20

© 2017 Walter de Gruyter GmbH, Berlin/Boston

Heruntergeladen am 1.10.2025 von https://www.degruyterbrill.com/document/doi/10.1515/helia-2016-0020/html
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