- Plant Diversity and Evolution
- Botanical Research and Applications
- Polysaccharides Composition and Applications
- Food composition and properties
- Plant Physiology and Cultivation Studies
- Microbial Metabolites in Food Biotechnology
- Phytochemistry and biological activity of medicinal plants
- Plant Reproductive Biology
- Postharvest Quality and Shelf Life Management
- Plant tissue culture and regeneration
- Psidium guajava Extracts and Applications
- Chromosomal and Genetic Variations
- Botany and Geology in Latin America and Caribbean
- Nuts composition and effects
- Genomics and Phylogenetic Studies
- Pacific and Southeast Asian Studies
- Polysaccharides and Plant Cell Walls
- Plant Pathogens and Fungal Diseases
- Plant and animal studies
- Chemical synthesis and alkaloids
- Scarabaeidae Beetle Taxonomy and Biogeography
- Plant and Fungal Species Descriptions
- melanin and skin pigmentation
Central University of Venezuela
2002-2018
Se describe e ilustra Malanea maigualidensis, una nueva especie de la familia Rubiaceae que crece en Sierra Maigualida, el sistema montañoso roca no sedimentaria más largo y ancho Amazonia venezolana. maigualidensis es similar a M. duckei sarmentosa pero se puede distinguir por su densa pubescencia tomentosa blanco-dorada cara abaxial las hojas lado externo estípulas; limbo del cáliz lobulado, lóbulos desiguales 1-1,5 mm corola 2,5-3 mm. En contraste, caracteriza tener estípulas 7-8 x 4-5...
Abstract Nucleolar organizing region of eight species Aloe was analyzed in somatic metaphases and interphase nuclei. All showed a uniform 2n=14, with large chromosomes six small chromosomes. Satellites were observed on the long arm one or two pairs and/or short pairs. The silver-stained nucleolus regions located subtelomeric chromosomes, except for dichotoma maculata, which AgNORs at their In most studied species, active AgNOR number four. However, this changing from to eight. For all...
Cytogenetic traits were examined in Aloe saponaria (2S), A. vera (2V and 4V), the experimental diploid (VS) triploid (VVS) hybrids. Karyotype 2n=2x=14 (8L+6S) was confirmed 2S 2V, whereas 2n=4x=28 (16L+12S) ascribed to 4V. VS showed expected karyotype (8L+6S), with slight differences between long (L) homologues. VVS also 2n=3x=21 (12L+9S); however, several chromosome deviations reflecting absence or addition of small (S) chromosomes, terminal deletions variable size which led formation...
<p>The avocado (<em>Persea americana</em> Mill.) is the most important species of Lauraceae in America due to its exploitation as food for pre-Columbian and modern cultures. It a very seasonal crop Venezuela based on perennial fruit tree management. From selection 76 accessions (45 cultivars) avocados cultivated at Germplasm Bank INIA-CENIAP, morphoanatomical analysis was performed identify attributes taxonomic resolution (diagnostic characters) which allow characterize...