Manual técnico para la producción de semilla de cacao en vivero para los Santanderes y Boyacá

Castañeda, Genaro Andrés Agudelo; Serna, Dubert Yamil Cañar; Morales, Miguel Angel Pabón; Gáfaro, Manuel Bello; Nopsa, John Fredy Hernández

doi:10.21930/agrosavia.manual.7404586

Cited by 4 publications

(2 citation statements)

References 47 publications

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“…Nevertheless, by reducing foliage surface area and photosynthetic capacity, folivores affect hugely the plant's ability to produce and store photosynthates crucial for growth and maintenance. Particularly concerning is the vulnerability of young cacao plants during their transition from nurseries to the field, as they typically possess only four true leaves 48 . In this study, we observed that consumption of over 50% of leaf surface resulted in over 25% of deceased trees.…”

Section: Discussionmentioning

confidence: 61%

“…Particularly concerning is the vulnerability of young cacao plants during their transition from nurseries to the field, as they typically possess only four true leaves. 48 In this study, we observed that consumption of over 50% of leaf surface resulted in over 25% of deceased trees. Young plants, with their limited resource storage, face difficulties in replacing lost tissues, making them particularly susceptible to herbivores.…”

Section: Discussionmentioning

confidence: 66%

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A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao with genotype‐specific susceptibility to herbivory

Porcel,

Miranda,

Pisco‐Ortiz

et al. 2024

Pest Management Science

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BackgroundThis study explored the impact of Leucothyreus femoratus, a previously unreported folivorous pest in cacao cultivation, on cacao tree survival, development, and yield. The study was conducted in an experimental cacao plot in the colombian plains, it featured twenty cacao genotypes in an agroforestry system, with plantain and mexican sunflower providing temporary shade, and yopo offering permanent shade.ResultsWe found an infestation rate of 2.9 ± 0.3 adult beetles per cacao tree. L. femoratus larvae were discovered in association with the roots of all plants within the agroforestry arrangement; however, Yopo and plantain exhibited the highest incidence of root‐feeding larvae among these associated plants. Interestingly, male and female L. femoratus displayed distinct leaf consumption patterns in the lab, with females consuming more foliage relative to their body weight. Moreover, field observations highlighted the detrimental impact of L. femoratus herbivory on cacao tree survival and growth, leading to leaf skeletonization, reduced plant height, and stem diameter. Trees with over 50% leaf consumption suffered more than 20% mortality. Additionally, herbivory negatively affected cacao yield, correlating higher leaf surface damage with a decrease in harvested pods. The study also identified varying antixenotic resistance in different cacao genotypes, with some consistently displaying resistance while others showed variable levels during tree establishment and production stages.ConclusionThis research underscores the significant role of L. femoratus as a cacao pest, emphasizing its adverse effects on cacao tree survival, development, and yield. Consequently, implementing effective control measures is vital for ensuring sustainable cacao cultivation.This article is protected by copyright. All rights reserved.

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Section: Discussionmentioning

confidence: 61%

Section: Discussionmentioning

confidence: 66%

A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao with genotype‐specific susceptibility to herbivory

Porcel,

Miranda,

Pisco‐Ortiz

et al. 2024

Pest Management Science

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Manual técnico para la producción de semilla de guandul (Cajanus cajan (L.) Huth) en Colombia

Arenas-Rubio¹,

Aparicio²,

Pérez³

et al. 2022

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En este manual se recopila información técnica del guandul como un aporte para su resurgimiento entre los campos de cultivo tradicional, la huerta casera y bosques silvestres, con la intención de posicionarse como especie multipropósito. Está dirigido a investigadores, empresas productoras de semillas, profesionales del agro, asociaciones, fundaciones, productores, asistentes técnicos, semilleristas, viveristas, estudiantes y demás actores dedicados a la producción de semilla de guandul para el establecimiento de nuevos cultivos en áreas disponibles.

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Modelo productivo para el cultivo de cacao (Theobroma cacao L.) en el departamento de Sucre

Atencia¹,

Yánez²,

Botello³

et al. 2022

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El cacao (Theobroma cacao), como cultivo comercial, es de alta importancia en áreas tropicales de Centro y Sur América, Sureste de Asia y África y es el sustento de millones de agricultores. En el departamento de Sucre el cultivo ha tenido gran relevancia durante los últimos años por su fácil adaptación y producción, favorecido por las diversas zonas agroecológicas que le permiten desarrollarse y generar una buena productividad, además de garantizar excelentes ingresos para los productores que procuran mejorar su calidad de vida. A pesar de sus virtudes para el territorio, el reto aún es grande ya que se requiere empoderar a los productores de conocimiento para un manejo sostenible del cultivo y que la aplicación del modelo contribuya al aumento de la resiliencia ante las adversidades del clima. Este documento consta de once capítulos que abordan diferentes áreas temáticas, que buscan orientar a los productores de cacao del departamento de Sucre para el desarrollo de este sistema productivo con enfoque de sostenibilidad y competitividad. Se incluyen aspectos relacionados con el entorno ambiental requerido por la especie, así como su origen, características fenológicas, distribución espacial, requerimientos edafoclimáticos, sistemas de siembra en arreglos agroforestales, prácticas culturales para el cultivo, rehabilitación de plantaciones improductivas, manejo integrado de enfermedades y artrópodos plaga, cosecha y poscosecha, transformación y valor agregado y las características socioeconómicas, tecnologías locales de producción, que están relacionados con los retornos económicos de este sistema productivo en la zona de estudio.

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Manual técnico para la producción de semilla de cacao en vivero para los Santanderes y Boyacá

Cited by 4 publications

References 47 publications

A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao with genotype‐specific susceptibility to herbivory

A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao with genotype‐specific susceptibility to herbivory

Manual técnico para la producción de semilla de guandul (Cajanus cajan (L.) Huth) en Colombia

Modelo productivo para el cultivo de cacao (Theobroma cacao L.) en el departamento de Sucre

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