PJB-2024-286
Development of potato hybrids via true potato seed, novel potato breeding approach aiming food security in Pakistan
Bilal Ahmed Khan, Naushad Ali, Sardar Ali, Sher Aslam, Irfan Ahmed Shah and Isma Khurshid
Abstract
The main aim of modern potato breeding programs is to introduce and develop potato hybrids via true potato seed, a novel and innovative approach compared to traditional vegetative propagation methods. Experimental material including twenty eight potato hybrids, five parental cultivars and a check variety were evaluated in three diverse environments namely Abbottabad, Battakundi and Kaghan, during 2021-23. Randomized complete block design was employed with three replications. Analysis of variance revealed significant (p<0.01, 0.05) differences among the studied traits, signifying a substantial level of genetic variability. The lower coefficient of variation across varied sites, confirmed the good precision of the experiments. The highest phenotypic coefficient of variation highlighted the significant influence of environmental factors on the expression of the traits under study. Moderate to high heritability (47.19% to 94.31%) and low to high genetic advance (9.34% to 55.77%) for studied characters, confirmed the role of additive gene action. The observed positive and significant correlations among potato traits have provided valuable insights for breeding programs. The results concluded that genotypes, G23 (TPSSMC65) and G17 (TPSSMR41) excelled in performance and selected as promising genotypes with potential to be released as potato hybrids. It is worth mentioning that high genetic variability, heritability and strong genetic potential of studied hybrids could play a significant role in increasing potato cultivation, and production. Further evaluation and testing of these hybrids under different environments could reveal ultimate potential for resilience, yield, and yield attributing traits in future breeding strategies, hence, significantly contributing to food security and sustainable agriculture, globally
To Cite this article:
Khan, B.A., N. Ali, S. Ali, S. Aslam, I.A. Shah and I. Khurshid. 2025. Development of potato hybrids via true potato seed, novel potato breeding approach aiming food security in Pakistan. Pak. J. Bot., 57(6): DOI: http://dx.doi.org/10.30848/PJB2025-6(15)
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