Results 11 to 20 of about 19,780 (226)

Geometric Models for Seed Shape Description and Quantification in the Cactaceae

open access: yesPlants, 2021
Seed shape in species of the Cactaceae is described by comparison with geometric models. Three new groups of models are presented, two for symmetric seeds, and a third group for asymmetric seeds.
José Javier Martín-Gómez   +3 more
doaj   +1 more source

The complete chloroplast genome sequence of Opuntia sulphurea (Cactaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2022
Opuntia sulphurea Gillies ex Salm-Dyck 1834 (Cactaceae) acts as an invasive species due to its ability to survive in various environments. In this study, we assembled the complete chloroplast (cp) genome of Opuntia sulphurea, which was 122,740 bp in ...
Jinyuan Chen   +5 more
doaj   +1 more source

Salt stress and organic fertilization on the growth and biochemical metabolism of Hylocereus costaricensis (red pitaya) seedlings

open access: yesBrazilian Journal of Biology, 2022
Red pitaya (Hylocereus costaricensis) is a promising species, with high cultivation potential due to the organoleptic and functional qualities of its fruits. However, irrigation water salinity can affect the crop yield.
L. M. Oliveira   +9 more
doaj   +1 more source

Complex of primary and secondary parasitoids (Hymenoptera: Encyrtidae and Signiphoridae) of Hypogeococcus spp. Mealybugs (Hemiptera: Pseudococcidae) in the New World [PDF]

open access: yes, 2018
Se informan los resultados de los relevamientos de los parasitoides primarios y secundarios (hiperparasitoides) de Hypogeococcus spp. (Hemiptera: Pseudococcidae) realizados en el Nuevo Mundo durante el período 2009 para 2017 para obtener enemigos ...
Aguirre, María Belén   +6 more
core   +1 more source

Genera of the bee tribe Reedapini (Hymenoptera: Colletidae) [PDF]

open access: yes, 2020
Those bees classified in the genera Reedapis Michener and Cephalocolletes Michener are discussed and organized into a new tribe, Reedapini Engel.
Engel, Michael S.
core   +2 more sources

New and revised records of Tacinga from Goiás and Tocantins States, Brazil [PDF]

open access: yesHoehnea, 2023
Tacinga saxatilis (Ritter) N.P.Taylor & Stuppy subsp. saxatilis belongs to the Cactaceae, a family of succulent plants. We report a new records of the Tacinga genus (Cactaceae) from Goiás State, Central-West Region and Tocantins State, North Region of ...
Diego Rafael Gonzaga   +4 more
doaj   +1 more source

Immature stages, morphology and feeding behaviour of the saprophytic syrphids Copestylum tamaulipanum and Copestylum lentum (Diptera: Syrphidae)

open access: yesEuropean Journal of Entomology, 2001
Adults of Copestylum tamaulipanum and C. lentum were reared from larvae collected from decaying platyclades of the cactus Opuntia in the state of Veracruz (Mexico).
Ma. Angeles MARCOS-GARCÍA   +1 more
doaj   +1 more source

Young man with painful black dots on left foot

open access: yesThe Pan African Medical Journal, 2018
A 30-year-old previously healthy man was admitted to the emergency room due painful black dots on the left foot. On physical examination, multiple erythematous macules with central black dots on left heel (A) were observed.
Fred Bernardes Filho, Loan Towersey
doaj   +1 more source

Distribution and conservation of Cactaceae in Brazilian Seasonally Dry Tropical Forests: insights from floristic and phytosociological surveys

open access: yesRevista Peruana de Biología, 2021
Species lists available from floristic and phytosociological studies contain important information about species distributions that are useful for making biogeographical inferences and even to evaluate conservation status of species and ecosystems.
Silvana dos Santos Simões   +3 more
doaj   +1 more source

Morphological characterization of the red dragon fruit - Selenicereus undatus (Haw.) D.R. Hunt – under growing conditions in the municipality of San Jerónimo (Antioquia, Colombia)

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2020
The red dragon fruit Selenicereus undatus is a native fruit from the Americas. Its growing appeal in the international market as an exotic fruit highlights the relevance of the crop for the local economies.
Jorge Andres Betancur G.   +2 more
doaj   +1 more source

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