2018
DOI: 10.29019/enfoqueute.v9n4.348
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Parámetros de calidad de cuatro tipos de formulaciones a base de Trichoderma asperellum y Purpuricillium lilacinum

Abstract: El género Trichoderma y en menor grado Purpureocillium, han sido estudiados ampliamente por sus propiedades como microorganismos benéficos y su eficacia en el control de enfermedades. Sin embargo, la eficacia biológica, no es el único parámetro que se considera al momento de formular un microorganismo; la viabilidad, la pureza y la concentración en la formulación, son características importantes para asegurar el éxito en campo. El propósito de este estudio fue probar distintos tipos de formulaciones (g… Show more

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Cited by 11 publications
(13 citation statements)
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“…in formulated products (wettable powder and granules) has attracted the attention of researchers to discover more about other potential benefits of Trichoderma spp., especially as PGP and its impact on plant yield 50,76,82,84,92 , for which its application is recommended as part of agricultural crop management programs. The use of formulations allows the generation of products in which the microorganism has a substrate that allows it to have stability, maintaining concentration and viability, and prolonging its shelf life 51 . More research is needed to generate new prototypes that allow the production of quality products that obtain efficient results when applied to agricultural crops.…”
Section: Discussionmentioning
confidence: 99%
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“…in formulated products (wettable powder and granules) has attracted the attention of researchers to discover more about other potential benefits of Trichoderma spp., especially as PGP and its impact on plant yield 50,76,82,84,92 , for which its application is recommended as part of agricultural crop management programs. The use of formulations allows the generation of products in which the microorganism has a substrate that allows it to have stability, maintaining concentration and viability, and prolonging its shelf life 51 . More research is needed to generate new prototypes that allow the production of quality products that obtain efficient results when applied to agricultural crops.…”
Section: Discussionmentioning
confidence: 99%
“…The use of different types of biological formulations (powders, granules, liquids) based on microorganisms has consistently increased in response to the need to reduce the use of agrochemicals in PC, but it is necessary to evaluate the quality of these products by determining their biological efficacy, viability and purity which are important characteristics to ensure success in the field [48][49][50] . Research on bioformulations based on T. asperellum showed that the microorganism had greater stability during storage in dry solid release systems compared to liquids 51 .…”
Section: Many Products Consist Of a Single Species Ofmentioning
confidence: 99%
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“…La concentración celular y la viabilidad de las cepas en el tiempo son parámetros que se utilizan para determinar la calidad de los productos formulados. Ambas especies de Trichoderma presentaron resultados estables en la viabilidad durante el periodo, no obstante, Viera et al (2018) indicaron que las formulaciones a partir de aceites se comportan mejor en la agricultura, ya que presenta una vida útil prolongada en las especies vegetales. Sin embargo, no descarta las formulaciones líquidas para la producción de Trichoderma, debido a que puede haber variaciones en el comportamiento de las cepas del mismo género; en este caso los investigadores evaluaron los parámetros con Cuadro 2.…”
Section: Discussionunclassified
“…T. viride disminuyó su concentración en 0,08 % y T. harzianum tuvo un aumento de 1,16 % en la concentración celular, ambos valores representan la diferencia de la última muestra respecto a la muestra inicial. La concentración mínima a la cual debe estar el Trichoderma es de 2 x 10 6 UFC g -1 en un medio selectivo (Viera et al, 2018). La solución de contención de ambas cepas era agua destilada con el objetivo de evaluar su comportamiento en el tiempo, no obstante, para lograr una concentración con un aumento significativo, es fundamental contar con un medio selectivo y añadir nutrientes en las formulaciones.…”
Section: Discussionunclassified