Resistência de Dois Genótipos Híbridos de Brachiaria spp. ao Ataque Combinado de Quarto Espécies de Cigarrinha das Pastagens (Homoptera: Cercopidae) [Resistance of Two Hybrid Genotypes of Brachiaria spp. to the Combined Attack of Four Species of Spittlebug (Homoptera: Cercopidae)] Poster.
Keywords: Brachiaria; Feed grasses; Cercopidae; Pest insects; Aeneolamia reducta; Aeneolamia varia; Zulia pubescens; Zulia carbonaria; Genotypes; Pest resistance; Genetic resistance; Genetic markers; RAPD; PCR; Antagonism; Plant breeding; Forage; Molecular techniques; Colombia
Keywords: Oryza sativa; Rice; Oryza glaberrima; Interspecific hybridization; Genetic markers; Agronomic characters; Colombia
Keywords: Manihot esculenta; Mycoplamalike organisms; Symptoms; Genetic markers; Cassava; Frogskin disease; Phytoplasms; Molecular techniques; Colombia
Keywords: Manihot esculenta; Xanthomonas axonopodis; Genetic markers; Disease resistance; Segregation; Genetic polymorphism; Microsatellites; Genetic resistance; Cassava; Molecular techniques; Colombia
MOLCAS: The Cassava Molecular Diversity Network. To help enhance the productivity of the starchy root crop cassava, MOLCAS seeks to collect and characterize, using molecular markers, hundreds of thousands of cassava landraces. African materials are also compared with those found in South America, where the crop originated. The resulting information is exploited to improve the crop. MOLCAS, funded by the International Programme in the Chemical Sciences (IPICS of Uppsala University, Sweden), also builds the capacity of sub-Saharan African countries to assess and interpret molecular diversity. Likewise, it encourages the establishment of links among national and international institutes in Africa and South America and advanced research institutes in developed countries. Its members are scientists from Africa (5 countries), Latin America (3), Sweden, France, and USA. The Network has conducted, and is conducting, simple sequence repeat (SSR) marker studies of cassava landraces in northern Malawi, southern Tanzania, Nigeria, Amazon Basin (Brazil and Colombia), and Northeast Brazil. Testing for heterotic (hybrid vigor) patterns in collections is also being carried out. Results of these studies are being disseminated through refereed journals and MOLCAS bi-annual workshops.
Keywords: Manihot esculenta; Cassava; Genetic variation; Research networks; Varieties; Genetic markers; Plant breeding; Africa; South America
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