Results 111 to 120 of about 114,650 (305)
Viabilidad de polen e irregularidades meióticas en una colección de stevia rebaudiana (Bertoni) Bertoni cultivada en Tucumán, Argentina [PDF]
, 2018 Stevia rebaudiana (Bertoni) Bertoni (2n=2x=22) (Asteraceae family) is a species of economic value due to the presence of steviol glycosides in leaves -mainly stevioside and rebaudioside A- which are non-caloric sugars.
Budeguer, Carlos Jorge +2 more
core
Effect of cold stratification on seed germination in Solidago × niederederi (Asteraceae) and its parental species [PDF]
, 2018 In this study, we investigated the influence of cold stratification on seed germination in S. × niederederi, a hybrid between the North American S. canadensis and the European S. virgaurea, using fruit samples collected in 2016 in Poland.
Kostrakiewicz-Gierałt, Kinga +1 more
core +1 more source
Palynological study of the Liabeae (Asteraceae)
Smithsonian Contributions to Botany, 1986 NH-Botany ; NMNH ; SISP ; Peer ...
Robinson, Harold E., Marticorena, C.
openaire +3 more sources
Leaf anatomy of species of Calea sect. Lemmatium (Asteraceae) with a taxonomic emphasis
Nordic Journal of Botany, EarlyView.Calea sect. Lemmatium is one of five sections of Calea (Neurolaeneae, Asteraceae), containing 12 species that are morphologically similar, which makes their identification difficult to non‐experts. The current study aimed to provide an anatomical characterization of species from Calea sect.
Maria José de Sousa Monteiro +3 more
wiley +1 more source
Oikos, EarlyView.Predation is a major ecological force, but its effect on bees has rarely been studied. Here, we investigated whether the presence of the European bee‐eater Merops apiaster, a migratory bird species and major bee predator, decreases the abundance and body size of three common bumblebee species (Bombus lapidarius, B. terrestris and B.
Belinda Kahnt +5 more
wiley +1 more source
NATURAL POLYACETYLENE COMPOUNDS
Фармация и фармакология (Пятигорск), 2015 In article the review of the initial stage of researches of natural polyacetylene compounds is resulted. The high reactionary ability leading to fast oxidation and degradation of these compounds, especially at influence of Uf-light, oxygen of air, pH and
A. M. Nasukhova, D. A. Konovalov
doaj +1 more source
PLANT COVE R DIVERSITY OF TECHNOZEMES OF RECLAMATION LAND AT THE NIKOPOL MANGANESE ORE BASIN [PDF]
, 2018 The study of the disturbed natural complexes evolution processes is important for the development of the most effective and rational methods of reclamation.
Andrusevych, Kateryna
core
, 2015 Published as part of Mccranie, James R., 2015, A checklist of the amphibians and reptiles of Honduras, with additions, comments on taxonomy, some recent taxonomic decisions, and areas of further studies needed, pp.
openaire +2 more sources
Una nueva combinación en Asteraceae. A new combination in Asteraceae
Acta Botanica Malacitana, 2010 A new combination in Asteraceae Palabras clave. Asteraceae, Carlina, taxonomía, Península Ibérica, Islas Baleares. Key words. Asteraceae, Carlina, taxonomy, Iberian Peninsula, Balearic Islands.
Juan Antonio Devesa Alcaraz +1 more
openaire +2 more sources