<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2664-0902</journal-id>
<journal-title><![CDATA[Alfa Revista de Investigación en Ciencias Agronómicas y Veterinaria]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Inv. Cs. Agro. y Vet.]]></abbrev-journal-title>
<issn>2664-0902</issn>
<publisher>
<publisher-name><![CDATA[CET-BOLIVIA]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2664-09022025000200398</article-id>
<article-id pub-id-type="doi">10.33996/revistaalfa.v9i26.354</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de bioestimulantes en semillas prebásica de papa obtenidas de plántulas in vitro]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of biostimulants on pre-basic potato seeds obtained from seedlings in vitro]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito de bioestimulantes em sementes pré-básicas de batata obtidas de plântulas in vitro]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Abad]]></surname>
<given-names><![CDATA[Ana Selinda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos Albornoz]]></surname>
<given-names><![CDATA[Miltao Edelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Condor Pérez]]></surname>
<given-names><![CDATA[Alfredo Exaltación]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toribio Ayala]]></surname>
<given-names><![CDATA[Consuelo Noemi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rueda Castro]]></surname>
<given-names><![CDATA[Hugo David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Hermilio Valdizan  ]]></institution>
<addr-line><![CDATA[Huánuco ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Daniel Alcides Carrión  ]]></institution>
<addr-line><![CDATA[Cerro de Pasco ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>9</volume>
<numero>26</numero>
<fpage>398</fpage>
<lpage>410</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S2664-09022025000200398&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S2664-09022025000200398&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S2664-09022025000200398&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo del estudio fue evaluar el efecto de bioestimulantes en la producción de semillas prebásicas de papa (Solanum goniocalyx), a partir de plántulas cultivadas in vitro en módulos tipo fitotoldo, en condiciones altoandinas de Huánuco, Perú. Se evaluaron tres tipos de bioestimulantes: Bio auxinas + Aminoácidos (T2), AATC+ Ácido fólico + Aminoácido (T3) y Aminoácidos + Nitrógenos + Fitohormona (T4), dentro de un diseño experimental de bloques completos al azar que incluía 4 tratamientos y 12 unidades experimentales. Entre los hallazgos obtenidos, el T3 (AATC + ácido fólico + aminoácidos) generó mejores resultados. Este tratamiento produjo el mayor número de tallos por planta (2,85), mayor altura (55,26 cm), mayor número de tubérculos (13,53 por planta) y los mayores pesos en tuberculillos de primera (49,63 g) y segunda categoría (73,57 g). Los resultados demuestran que el uso de bioestimulantes, especialmente T3, mejora significativamente la producción de semillas prebásicas en ambientes andinos, representando una alternativa viable para pequeños agricultores que buscan obtener semillas de alta calidad y libres de patógenos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The objective of this study was to evaluate the effect of biostimulants on the production of pre-basic potato (Solanum goniocalyx) seeds from seedlings grown in vitro in phyto-tent modules under high Andean conditions in Huánuco, Peru. Three types of biostimulants were evaluated: Bio auxins + Amino acids (T2), AATC + Folic acid + Amino acid (T3), and Amino acids + Nitrogens + Phytohormone (T4), within a randomized complete block experimental design that included 4 treatments and 12 experimental units. Among the findings obtained, T3 (AATC + folic acid + amino acids) generated the best results. This treatment produced the highest number of stems per plant (2.85), the greatest height (55.26 cm), the highest number of tubers (13.53 per plant), and the highest weights of first (49.63 g) and second category (73.57 g) tubers. The results demonstrate that the use of biostimulants, especially T3, significantly improves prebasic seed production in Andean environments, representing a viable alternative for small farmers seeking high-quality, pathogen-free seeds.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O objetivo do estudo foi avaliar o efeito de bioestimulantes na produção de sementes pré-básicas de batata (Solanum goniocalyx), a partir de mudas cultivadas in vitro em módulos do tipo fito-tenda, sob condições andinas elevadas em Huánuco, Peru. Foram avaliados três tipos de bioestimulantes: Bioauxinas + Aminoácidos (T2), AATC + Ácido fólico + Aminoácido (T3) e Aminoácidos + Nitrogênios + Fitohormônio (T4), dentro de um delineamento experimental de blocos casualizados que incluiu 4 tratamentos e 12 unidades experimentais. Dentre os achados obtidos, o T3 (AATC + ácido fólico + aminoácidos) gerou melhores resultados. Este tratamento produziu o maior número de hastes por planta (2,85), maior altura (55,26 cm), maior número de tubérculos (13,53 por planta) e os maiores pesos de tubérculos de primeira (49,63 g) e segunda categoria (73,57 g). Os resultados demonstram que o uso de bioestimulantes, especialmente T3, melhora significativamente a produção de sementes pré-básicas em ambientes andinos, representando uma alternativa viável para pequenos agricultores que buscam sementes de alta qualidade e livres de patógenos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Desarrollo rural]]></kwd>
<kwd lng="es"><![CDATA[Papas nativas]]></kwd>
<kwd lng="es"><![CDATA[Pequeños agricultores]]></kwd>
<kwd lng="es"><![CDATA[Semilla prebásica]]></kwd>
<kwd lng="es"><![CDATA[Tecnología agrícola]]></kwd>
<kwd lng="en"><![CDATA[Rural development]]></kwd>
<kwd lng="en"><![CDATA[Native potatoes]]></kwd>
<kwd lng="en"><![CDATA[Small farmers]]></kwd>
<kwd lng="en"><![CDATA[Prebasic seed]]></kwd>
<kwd lng="en"><![CDATA[Agricultural technology]]></kwd>
<kwd lng="pt"><![CDATA[Desenvolvimento rural]]></kwd>
<kwd lng="pt"><![CDATA[Batatas nativas]]></kwd>
<kwd lng="pt"><![CDATA[Pequenos agricultores]]></kwd>
<kwd lng="pt"><![CDATA[Semente pré-básica]]></kwd>
<kwd lng="pt"><![CDATA[Tecnologia agrícola]]></kwd>
</kwd-group>
</article-meta>
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