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Advances and Perspectives for Polyploidy Breeding in Orchids
(2021-05)
The orchid market is a dynamic horticultural business in which novelty and beauty command high prices. The two main interests are the development of flowers, from the miniature to the large and showy, and their fragrance. ...
Begomovirus diversity in tomato crops in Costa Rica
(2023)
Begomoviruses (Geminiviridae family) are characterized by their high recombination
rate and a wide range of hosts, making their control difficult. In Costa Rica, various
species of bipartite begomoviruses have been ...
Genetic diversity and geographic distribution of Bemisia tabaci and Trialeurodes vaporariorum in Costa Rica
(2019)
The tobacco whitefly Bemisia tabaci (Gennadius) cryptic species complex and of the greenhouse whitefly Trialeurodes vaporariorum (Westwood) are extensively reported as destructive pests in vegetable crops worldwide. A ...
Fanconi anemia ortholog FANCM regulates meiotic crossover distribution in plants
(2021-02-10)
Meiotic recombination increases genetic diversity and manipulation of its frequency and distribution holds great promise in crop breeding. In Arabidopsis thaliana, FANCM (a homolog of mammalian Fanconi anemia complementation ...
Manual de uso de biobeds
Dirigido a agricultores de la zona norte de Cartago, Costa Rica
(2020)
Para entender en qué consisten los biobeds y cuál es su importancia, se presenta este manual, el cual proporciona información con un diseño detallado y asesoramiento operacional para construir e implementar este sistema ...
Plantas hospederas de Aphis gossypii (Aphididae), vector de virus del melón Cucumis melo (Cucurbitaceae) en Costa Rica
(Universidad de Costa Rica, 2001)
Se identificaron las especies hospederas naturales de Aphis gossypii Glover (Aphididae: Homoptera) en plantaciones comerciales de melón para la exportación en Costa Rica. El estudio se realizó en dos fincas, ubicadas una ...
First Report of New Phytoplasma Diseases Associated with Soybean, Sweet Pepper, and Passion Fruit in Costa Rica
(2009-02)
A new soybean disease outbreak occurred in 2002 in a soybean (Glycine max) plantation in Alajuela Province, Costa Rica. Symptoms on the affected plants included general stunting, small leaves, formation of excessive buds, ...
Meiosis Research in Orphan and Non-orphan Tropical Crops
(2019-03-05)
Plant breeding is directly linked to the development of crops that can effectively adapt
to challenging conditions such as soil nutrient depletion, water pollution, drought, and
anthropogenic climate change. These ...
Ultraestructura del bambú Guadua angustifolia var. bicolor (Poaceae: Bambusoideae), presente en Costa Rica
(2006-08-20)
Sections of leaf lamina, leaf sheath and branches of adult Guadua paniculata collected in Costa Rica,
were studied ultrastructurally. Diagnostic ultrastructural characteristics include the cellular pattern of the adaxial ...
Comparative Epidemiology of Citrus tristeza virus in Plantings of Various Citrus Species in Costa Rica, and Long Distance Spread by the Brown Citrus Aphid
(2002)
Five 400-tree plots were established to compare the virus increase and spread of Citrus tristeza virus (CTV) among grapefruit, orange and lemon plots in San Carlos and Nicoya citrus producing areas of Costa Rica. Tree ...