Semillas Abiertas
Bioleft launched the 2025/2026 tomato campaign with a virtual workshop that brought together evaluators from more than 25 locations across the country. The proposal, based on open science and citizen science, reinforces collaborative recording and the circulation of knowledge to make better decisions on seed selection and multiplication.
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On August 26th, the Bioleft outreach team visited Julia Ríos, tomato evaluator and seed producer at Minka-Semillera (Florencio Varela) to share an assessment of the previous season and plan for the 2024-2025 season. The meeting took place in an atmosphere of trust and closeness, at her own home, where they discussed achievements, difficulties, and next steps.
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As part of the International Colloquium on Perspectives on Ecology in Latin America (see more), Bioleft participated in the roundtable discussion “Towards shared sustainability: lessons learned from collaborative experiences in Latin America,” reflecting on the challenges and lessons learned around the exchange and improvement of open seeds in Argentina.
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At Bioleft, we continue to generate practical resources to contribute to food sovereignty. On this occasion, we are sharing a tutorial on how to preserve tomato seeds, and other crops such as peppers, zucchini, and pumpkins in a simple and effective way.
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This past April, we held the closing workshop for the 2024–2025 campaign of the collaborative evaluation project of Creole tomatoes. Once again, we came together from different regions and experiences to celebrate a collective process that continues to grow, driven by the commitment of gardeners, agroecological producers, researchers, students, and defenders of open-pollinated seeds.
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Have you noticed that some tomatoes have a top part that looks underripe? Those "green shoulders" are actually the key to their flavor.
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On Thursday, January 16, we visited Julia’s farm in Florencio Varela. Julia is part of the Minka cooperative for agroecological seed production.
As part of the Citizen Science project, Julia grows and evaluates different heirloom tomato varieties — three linked to the “Rescuing the Heirloom Tomato” project (Aimé, La Piqui, and No Me Olvides) and four others from the same collection but harvested in 2023 (Perita No. 18, Perita No. 20, Perita No. 67, and Perita Ronita).
In addition, she conserves and cultivates more than 10 of her own tomato varieties, which she has collected and preserved over the years
On Tuesday, December 17, a new workday took place at the UNSAM Community Garden, featuring significant improvements and various maintenance activities. The day included the presence of Angelly Sánchez and Sabrina Rendon, members of the “Rescuing the Creole Tomato” team from the Faculty of Agronomy at the University of Buenos Aires (FAUBA).
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En el marco del proyecto “Laboratorio vivo: cultivar, experimentar y aprender en la UNSAM”, el pasado jueves 7 de noviembre se llevamos adelante una Jornada de Trasplante y Mantenimiento en la Huerta Educativa y Parcela Experimental “Casita Astro”. Esta actividad, realizada en colaboración con el Área de Sustentabilidad y Ambiente de la Secretaría de Extensión y Vinculación (SEyV), incluyó la cosecha de hortalizas y el trasplante de tomates criollos.
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On September 10th, the Bioleft extension team visited Julia’s farm, a member of the Minka cooperative for agroecological seed production, located in Florencio Varela. This is where the varieties of tomatoes linked to the “Al rescate del tomate criollo” project are being evaluated.
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