2018
DOI: 10.15381/rpb.v25i3.15209
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Diversidad genética de papas nativas (Solanum spp.) del distrito de Vilcashuamán, Ayacucho- Perú, mediante AFLP

Abstract: En este presente trabajo, la diversidad genética de 30 morfotipos de papas nativas de Vilcashuamán (Ayacucho) fue evaluada mediante la técnica de polimorfismo de longitud de fragmentos amplificados (AFLP). La extracción de ADN se realizó con el método de CTAB modificado, usando hojas frescas de plantas de cuatro semanas de cultivo en invernadero. Partiendo de 200 mg de tejido vegetal se logró obtener entre 300 a 500 ng/μL de ADN de buena calidad. La digestión enzimática del ADN se realizó utilizando EcoRI y Ms… Show more

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“…Therefore, methodologies such as molecular markers, which are not affected by the environment, are currently used for the estimation of genetic variability in plant species because of their neutrality, Mendelian inheritance and ease of detection in any tissue and growth stage in plants [ 5 ]. In potatoes, different types of DNA markers have been widely implemented for genetic analysis, including random amplified polymorphic DNA (RAPD), microsatellites (SSR) [ 10 ], polymorphic length restriction fragments (RFLP) [ 11 ], and amplified fragment length polymorphism (AFLP) [ 12 ] but single nucleotide polymorphisms (SNP) are used most often [ 13 ].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, methodologies such as molecular markers, which are not affected by the environment, are currently used for the estimation of genetic variability in plant species because of their neutrality, Mendelian inheritance and ease of detection in any tissue and growth stage in plants [ 5 ]. In potatoes, different types of DNA markers have been widely implemented for genetic analysis, including random amplified polymorphic DNA (RAPD), microsatellites (SSR) [ 10 ], polymorphic length restriction fragments (RFLP) [ 11 ], and amplified fragment length polymorphism (AFLP) [ 12 ] but single nucleotide polymorphisms (SNP) are used most often [ 13 ].…”
Section: Introductionmentioning
confidence: 99%
“…S. goniocalyx presenta una diversidad de variedades nativas entre las que se encuentran Amarilla Tumbay y Peruanita, variedades comerciales de característico color amarillo, pero con susceptibilidad a la Rancha y las heladas (CIP, 2006). La diversidad del cultivo se está perdiendo debido a la presencia de variedades mejoradas, el uso excesivo de agroquímicos y el cambio climático (Gamboa & Rojas, 2018). Las variedades nativas presentan rendimientos bajos por el ataque de enfermedades, plagas y rotaciones intensivas en parcelas pequeñas y de baja fertilidad del suelo, entre otros factores.…”
Section: Introductionunclassified