Consulta: creatorFacets:"Trujillo, German"
Registros recuperados: 9
Data/hora: 11/06/2024 16:38:37

Evaluation of organic pest management strategies to control the cocoa mirid (Monalonion dissimulatum Dist.), Alto Beni, Bolivia
Provedor de dados: 21
Autores: Ferrari, Leone; Florez, Andrez; Velásquez, Fortunato; Schneider, Monika; Andres, Christian; Milz, Joachim; Trujillo, German; Alcon, Freddy; Fromm, Ingrid.
The cocoa mirid (Monalonion dissimulatum) is one of the major pests in cocoa cultivation in Alto Beni, Bolivia, causing up to 50% yield losses. The most common control method is the manual removal of the nymphs sucking at the pods in the morning. This practice is very time-consuming, and farmers often do not dispose of enough time to perform these control measures. Therefore, there is an urgent need for more efficient practices to control this important pest.  The present study evaluated the pathogenicity of two strains of Beauveria bassiana for the control of Monalonion dissimulatum on cocoa: a non-native, commercialized strain (Probiobass MR, Probiotec S.R.L.), and a native strain of Alto Beni, which is not yet commercialized (isolated by the local...
Tipo: Conference paper, poster, etc.
Palavras-chave: Systems research and participatory research Crop health; Quality; Protection.
Ano: 2014
URL: http://orgprints.org/27526/1/Beitrag_Ferrari_etal_HAFL_symposium_2014.pdf

Cocoa Yield Development in Alto Beni, Bolivia: Influence of Sites, Varieties and Years
Provedor de dados: 21
Autores: Schneider, Monika; Perez, Eucebio; Alcon, Freddy; Choque, Romero; Trujillo, German; Andres, Christian.
One of the most essential limiting factors of cocoa (Theobroma cacao L.) productivity worldwide is pests and diseases. Each of the major production regions has its specific pests and diseases. Reported yield losses range from minor to almost 100 per cent.  In Alto Beni, located in the Amazonian watershed of the department La Paz, Bolivia, the Research Institute of Organic Agriculture (FiBL) and its local partners are addressing several problems of cocoa producers using a participatory technology development approach.  Problems were identified in a participatory way and are, in order of priority, i) to reduce the incidence of pests and diseases, mainly the cocoa mirid (Monalonion dissimulatum) and Frosty Pod Rot (Moniliophthora roreri); ii) to evaluate the...
Tipo: Conference paper, poster, etc.
Palavras-chave: Systems research and participatory research Technology transfer Breeding; Genetics and propagation.
Ano: 2014
URL: http://orgprints.org/27524/1/PosterSyscom_Cocoa_def.pdf

Labour Demand in Five Different Cocoa Production Systems in  Bolivia
Provedor de dados: 21
Autores: Armengot, Laura; Barbieri, Pietro; Andres, Christian; Milz, Joachim; Alcon, Freddy; Trujillo, German; Schneider, Monika.
Cocoa cropping systems vary from full-sun monocrops to highly diversified agroforestry systems, which combine the cocoa production with by-crop such as bananas or plantains and trees with different functions. Additionally, these systems can be organically or conventionally managed. Although labour demand is one of the main activities contributing to the total production costs of the plantations and it may highly differ between production systems, there are still scarce data and information available.  In this study we present the labour demands of five different production systems in a newly established cocoa plantation in Alto Beni, Bolivia. The trial was established in 2008 within the framework of the SysCom programme (www.systems-comparison.fibl.org)...
Tipo: Conference paper, poster, etc.
Palavras-chave: Systems research and participatory research; Crop husbandry.
Ano: 2015
URL: http://orgprints.org/29761/1/Armengot-etal-2015-Tropentag2015-abstract-313.pdf

Cocoa Yield in Bolivian On-Farm Trials 2010-2013 – Monitoring Outstanding Farmers and Comparing Clones and Sites
Provedor de dados: 21
Autores: Andres, Christian; Perez, Eucebio; Alcon, Freddy; Choque, Romero; Trujillo, German; Milz, Joachim; Schneider, Monika.
Cocoa (Theobroma cacao L.) trees have a lifespan of up to 100 years in their natural environment, the lower strata of tropical alluvial forests. Sustainability of global cocoa production is at stake due to the deterioration of soil fertility, high losses due to pests and diseases (P&amp;D) and old tree stock. Producing cocoa in shaded, low input agroforestry systems offers a potential solution for achieving long-term productivity and sustainability. However, shade-tolerant cocoa clones are needed which are productive and resistant to P&amp;D, as well as meeting the quality standards requested by the industry. In Bolivia, the cocoa mirid (Monalonion dissimulatum) and the novel disease Frosty Pod Rot (“Monilia” Moniliophthora roreri) are among the most...
Tipo: Conference paper, poster, etc.
Palavras-chave: Systems research and participatory research Technology transfer Breeding; Genetics and propagation.
Ano: 2014
URL: http://orgprints.org/27518/1/Andres_et%20al%20Tropentag%202014.pdf

Cocoa in Full-sun Monocultures vs. Shaded Agroforestry Systems under Conventional and Organic Management in Bolivia
Provedor de dados: 21
Autores: Schneider, Monika; Andres, Christian; Trujillo, German; Alcon, Freddy; Amurrio, Patricia; Seidel, Renate; Weibel, Franco; Milz, Joachim.
Cocoa is a crucial export commodity for many developing countries and provides income for millions of smallholders. However, cocoa cultivation has resulted in habitat destruction, biodiversity loss and soil degradation. While much of the world’s cocoa is produced in arguably unsustainable full-sun monoculture systems, shaded agroforestry systems may be an alternative for sustainable cocoa production. However, data-based information on advantages and limitations of different cocoa production systems are limited and pairwise comparisons on the long-term performance of cocoa monocultures and agroforestry systems under conventional and organic management are literally inexistent.  The Research Institute of Organic Agriculture (FiBL) is pioneering to fill this...
Tipo: Conference paper, poster, etc.
Palavras-chave: Crop combinations and interactions; Systems research and participatory research.
Ano: 2014
URL: http://orgprints.org/27519/1/Schneider_etal_2014_Bolivia_LTE.pdf

Evaluation of organic pest management strategies to control the cocoa mirid (Monalonion dissimulatum Dist.), Alto Beni, Bolivia
Provedor de dados: 21
Autores: Ferrari, Leone; Florez, Andrez; Velásquez, Fortunato; Schneider, Monika; Andres, Christian; Milz, Joachim; Trujillo, German; Alcon, Freddy; Fromm, Ingrid.
The cocoa mirid (Monalonion dissimulatum) is one of the major pests in cocoa cultivation in Alto Beni, Bolivia. The most common control method is the manual removal of the nymphs. This practice is time-consuming, and therefore farmers often do not follow it.  Hence there is an urgent need for more efficient practices to control this important pest.  This study evaluated the pathogenicity of two strains of Beauveria bassiana for the control of Monalonion dissimulatum on cocoa: a non-native, commercialised strain (Probiobass MR, Probiotec S.R.L.), and a locally isolated, native strain of Alto Beni, which is not yet commercialised. Moreover, a silicon-based product (TECSIL PMR) was tested.  In addition, the effect of different degrees of infestation with...
Tipo: Conference paper, poster, etc.
Palavras-chave: Systems research and participatory research Crop health; Quality; Protection.
Ano: 2014
URL: http://orgprints.org/27520/1/Beitrag_Ferrari_et%20al_TT_2014.pdf

Cocoa Yield Development of Different Sites, Varieties, Production Systems and Years, in Alto Beni, Bolivia
Provedor de dados: 21
Autores: Schneider, Monika; Perez, Eucebio; Alcon, Freddy; Choque, Romero; Trujillo, German; Andres, Christian.
One of the most essential limiting factors of cocoa (Theobroma cacao L.) productivity worldwide is pests and diseases. Each of the major production regions has its specific pests and diseases. Reported yield losses range from minor to almost 100 per cent.  In Alto Beni, located in the Amazonian watershed of the department La Paz, Bolivia, the Research Institute of Organic Agriculture (FiBL) and its local partners are addressing several problems of cocoa producers using a participatory technology development approach.  Problems were identified in a participatory way and are, in order of priority, i) to reduce the incidence of pests and diseases, mainly the cocoa mirid (Monalonion dissimulatum) and Frosty Pod Rot (Moniliophthora roreri); ii) to evaluate the...
Tipo: Conference paper, poster, etc.
Palavras-chave: Crop husbandry; Bolivia.
Ano: 2013
URL: http://orgprints.org/24784/1/Schneider-etal-2013-Tropentag-poster.pdf

Cocoa agroforestry systems vs. monocultures under conventional and organic management - results from tropical Bolivia
Provedor de dados: 21
Autores: Andres, Christian; Milz, Joachim; Seidel, Renate; Trujillo, German; Alcon, Freddy; Weibel, Franco; Schneider, Monika.
Cocoa is one of the most important export commodities for many developing countries and provides income for millions of smallholders. The expansion of cocoa production has resulted in habitat destruction, biodiversity loss, and soil degradation. The prevalent cocoa production systems worldwide are conventional monoculture full sun systems. Agroforestry systems are argued to be a viable strategy for sustainable cocoa production. However, data-based information on advantages and limitations of different cocoa production systems is limited. Pairwise comparisons on the long-term performance of cocoa monocultures and agroforestry systems under conventional and organic management are inexistent.  FiBL is pioneering to fill this knowledge gap with a unique...
Tipo: Conference paper, poster, etc.
Palavras-chave: Crop husbandry; Soil; Bolivia.
Ano: 2014
URL: http://orgprints.org/25221/1/Andres-etal-2014-WCA2014-presentation.pdf

Research Design, Soil and Biodiversity Baseline for Long-term Farming Systems Comparison of Full Sun and Shaded Agroforestry Cocoa Production under Conventional and Organic Management in Alto Beni, Bolivia
Provedor de dados: 21
Autores: Schneider, Monika; Amurrio, Patricia; Aparicio, James; Gômez, Isabel; Limachi, Miguel; Milz, Joachim; Schneidewind, Ulf; Seidel, Renate; Trujillo, German.
Cocoa, mainly produced by 5 to 6 millions of smallholder farmers, is considered as one of the most sustainable production system in the humid tropics. Little is known about the sustainability of different cocoa production systems.  A long-term experiment is set up in Alto Beni at 400m above sea level with a humid winter dry climate, 1’540 mm annual rainfall. The trial assesses the sustainability of five cocoa (Theobroma cacao) production systems with the parameters of yield and yield stability, input-output efficiency of nutrients and energy, soil fertility, biodiversity, economic result, climate change mitigation and adaptation. The two-factorial experiment is arranged in an completely randomised block design; the five cocoa treatments, based on local and...
Tipo: Conference paper, poster, etc.
Palavras-chave: Production systems; Systems research and participatory research.
Ano: 2010
URL: http://orgprints.org/18371/1/schneider-etal-2010-tropentag.pdf