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Survival of Xanthomonas campestris pv. malvacearum in soil
(IICA, San José (Costa Rica), 1989-04)
En este trabajo se estudió la supervivencia en suelos estériles y no estériles de Xanthomonas campestris pv. malvacearum agente causal del tizón bacteriano del algodonero. Se empleó un mutante bacteriano resistente a ...
Host-pathogen interaction in dual cultures of Helianthus annuus L. - Sclerotinia sclerotiorum (Lib.) de Bary
(IICA, San José (Costa Rica), 1992-04)
En este trabajo se describe un nuevo sistema para el cultivo dual in vitro de un hongo pertótrofo Sclerotinia sclerotiorum y un callo derivado de cotiledón de Helianthus annuus. Dicho cultivo dual se logró circunscribiendo ...
Experiencias y potencialidades del pago de servicios ambientales en cuencas hidrográficas en América Central
(CATIE, Turrialba (Costa Rica), 2005)
More Stable Productivity of Semi Natural Grasslands than Sown Pastures in a Seasonally Dry Climate
(2013-06-11)
In the Neotropics the predominant pathway to intensify productivity is generally thought to be to convert grasslands to sown pastures, mostly in monoculture. This article examines how above-ground net primary productivity ...
The business side of sustainable forest management: Small and medium forest enterprise development for poverty reduction
(Overseas Development Institute, London (RU), 2006)
Some aspects of the biology of the maize stalk borer Busseola fusca fuller (Noctuidae: Lepidoptera) in Kenya
(IICA, San José (Costa Rica), 1994-01)
El período de incubación de los huevos de Busseola fusca fue de 7.5 ¦ 0.5 días. De los 188 huevos incubados por una sola hembra, 3l 71.8 por ciento ovipositó larvas vivas, de las cuales el 30.4 por ciento experimentó ...
Delineation of agricultural systems in a major tropical area of cacao production (Barlovento, Venezuela) by means of multivariate analysis
(IICA, San José (Costa Rica), 1994-04)
Agricultural systems in the Barlovento Valley, a major tropical area of cacao (Theobroma cacao L.) production, were studied according to multivariate statistical methods based on factor analysis. Basic data of samples were ...
Assessment of different insecticides for the suppression of an outbreak of Leucoptera coffeella in Jamaica
(IICA, San José (Costa Rica), 1994-04)
Six insecticides were evaluated for the control of Leucoptera coffeella [Perileucoptera coffeella], in a coffee plantation in Western Jamaica. Nuvacron 40 [monocrotophos], Selecron 500 EC [profenofos], Trigard 75 WP ...
Research and Development of Silvopastoral Systems in a Village in the Buffer Zone of the El Ocote Biosphere Reserve, Chiapas, Mexico
(2013-06-12)
A participatory research and development project in establishment of agrosilvopastoral systems was documented. This study was carried out in the village Tierra Nueva (TN), located in the Buffer zone of the El Ocote Biosphere ...
Research and development of silvopastoral systems in a village in the buffer zone of the El Ocote Biosphere Reserve, Chiapas, Mexico
(2015)
A participatory research and development project in establishment of agrosilvopastoral systems was documented. This study was carried out in the village Tierra Nueva (TN), located in the Buffer zone of the ElOcote Biosphere ...