https://www.genresj.org/index.php/grj <p><strong><img style="float: left; margin-right: 15px; height: 200px;" src="https://www.genresj.org/public/site/images/newtvision/1_bc_v8-vale-orange.png" />Genetic Resources</strong> is an open access peer-reviewed journal publishing original research, reviews, short communications and other articles on plant and animal genetic resources, serving stakeholders within and across domains. It is a platform to share domain specific and interdisciplinary knowledge and tools used by the global community of practitioners involved in monitoring, collecting, maintaining, conserving, characterizing and using genetic resources for food, agriculture and forestry. </p> Bioversity International on behalf of the European Cooperative Programme for Plant Genetic Resources (ECPGR) en-US Genetic Resources 2708-3764 <p>Authors retain copyright of the articles published in<strong>&nbsp;Genetic Resources&nbsp;</strong>and grant the journal right of first publication with open access. All articles published in Genetic Resource are licensed under <a href="http://creativecommons.org/licenses/by/4.0/" rel="license">Creative Commons Attribution 4.0 International License</a> (CC BY 4.0) that allows others to download, share and adapt the work for commercial and non-commercial purposes as long as proper attribution to the original article is given.&nbsp;<strong>Genetic Resources</strong> permits and encourages authors to post items submitted to the journal (including the publisher's final layout) on personal websites or institutional repositories after acceptance and/or publication, while providing bibliographic details that credit their publication in <strong>Genetic Resources</strong>.</p> https://www.genresj.org/index.php/grj/article/view/genresj.JCDC4631 <p><em id="e-4ac3609fe81a">Solanum tuberosum</em> L. Phureja Group,<strong id="strong-1b71fc3aa71c46328c89dd6ef30b1875"> </strong>known in Peru as ‘phureja potato’ or ‘chaucha potato’ and as ‘criolla’ in Colombia, is characterized by its earliness and the absence of dormancy in the tubers. It stands out for its nutritional value and its contribution to food security. However, it faces a high risk of disappearance in Peru. This study assessed its current status by collecting historical data, <em id="e-7477eda4ac0c">ex situ</em> and<em id="e-936555e428c8"> in situ </em>conservation analyses, and genetic erosion studies in local communities. Historical information suggests that phureja was relevant and abundant in the past. Currently, e<em id="e-88f3dfa76f16">x situ</em> collections include 69 accessions, of which the International Potato Center conserves a significant portion. As for <em id="e-5038cb5125b1">in situ</em> conservation, 116 accessions have been identified. However, since 1992, genetic erosion has been documented in six departments of Peru. The main causes include: lack of time for continuous cultivation, prioritization of dairy farming, low seed quality, preference for more commercial modern or traditional cultivars, and the expansion of mining projects. The critical situation of the phureja potato requires urgent measures to collect new information and evaluate the remaining genetic variability. This assessment is essential to develop conservation and sustainability strategies to ensure its survival and its contribution to Peru's food and cultural well-being.</p> Juan F. Seminario Leónidas S. Concha-Tupayachi Alejandro Seminario-Cunya Tulio Medina-Hinostrosa Wilsser Silva Copyright (c) 2025 Juan F. Seminario , Leónidas S. Concha-Tupayachi, Alejandro Seminario-Cunya, Tulio Medina-Hinostrosa, Wilsser Silva https://creativecommons.org/licenses/by/4.0 2025-07-07 2025-07-07 6 12 1 13 10.46265/genresj.JCDC4631 https://www.genresj.org/index.php/grj/article/view/genresj.TSJG3884 <p>Despite the high variability of Argentine maize (<em><span class="CharOverride-1">Zea mays</span></em> L.) landraces, they are scarcely used by breeders due to the <span class="CharOverride-6">limited knowledge</span> available about the genetic merit of these materials. In this study, we evaluated agro-morphological and molecular traits of 36 landraces of the ‘Cristalino Colorado’ race from Buenos Aires province, Argentina. Fifteen agro-morphological traits and five polymorphic microsatellite markers located on different chromosomes (48 alleles) were used. A principal component analysis was performed using average values of agro-morphological traits across two environments. Molecular markers were subjected to a principal coordinate analysis. A generalized procrustes analysis was used to evaluate agro-morphological and molecular traits together, showing seven groups. Distance between agro-morphological and molecular data had an average value of 0.24 and the range varied between 0.02 (ARZM01017) and 0.45 (ARZM01082). The results show that Argentine landraces of the ‘Cristalino Colorado’ race are a valuable source of new alleles for crop improvement. Studies of this type facilitate the selection of landraces for introduction in genetic breeding programmes and for the establishment of core collections.</p> Raquel Alicia Defacio Natalia Mercedes Paz Ana Rosa Schlater Marcelo Edmundo Ferrer Sergio Jorge Bramardi Copyright (c) 2025 Raquel Alicia Defacio, Natalia Mercedes Paz, Ana Rosa Schlater, Marcelo Edmundo Ferrer, Sergio Jorge Bramardi https://creativecommons.org/licenses/by/4.0 2025-07-17 2025-07-17 6 12 14 25 10.46265/genresj.TSJG3884