Results 41 to 50 of about 6,188 (253)

Vegetación bioindicadora de metales pesados en un sistema semiárido

open access: yesRevista de la Facultad de Ciencias Agrarias, 2022
Evaluar la contaminación por metales pesados en los ecosistemas permite conocer la capacidad bioindicativa de especies vegetativas. El objetivo fue determinar la concentración de metales pesados en Prosopis laevigata, Acacia spp. y Schinus molle bajo el
Jorge Alcalá Jáuregui   +6 more
doaj  

Composición Química del Aceite Escencial de Hojas de Orégano (Origanum vulgare)

open access: yes, 2013
Resumen Se ha analizado quimicamente el oregano ( Origanum vulgare ) cultivado en Coloso, Departamento de Sucre en Colombia para determinar la variabilidad en la composicion quimica causada por las condiciones climaticas de la region. Para ello se empleo
Diofanor Acevedo   +2 more
semanticscholar   +1 more source

Leveraging machine learning and citizen science data to describe flowering phenology across South Africa

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Recent shifts in flowering times are an index of, and a response to, human driven climate change. However, most information on these flowering changes is heavily skewed to the northern hemisphere. This imbalance limits our understanding of how climate change is affecting ecosystems, including the mismatches of flowering times between species, increased
Ross D. Stewart   +3 more
wiley   +1 more source

Nota aclaratoria sobre las hojas de Valeriana vaginata (Valerianaceae)

open access: yesBotan‪ical Sciences, 1981
Se describen y se ilustran las hojas verdaderas de Valeriana vaginata HBK., en la cual previamente se interpretaban como hojas las brácteas del escapo y de la inflorescencia.
Rosa Ma. Vega, J. Rzedowski
doaj   +1 more source

Genomic structure and ex situ conservation of the North American grapevine Vitis labrusca

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The North American wild grapevine species Vitis labrusca is an important source of disease resistance and climate resilience traits for breeding new grapevine cultivars. To ensure its continued use in breeding, V. labrusca must be accurately identified and genetically diverse material must be conserved.
Zoë Migicovsky   +18 more
wiley   +1 more source

Efecto de los tratamientos pregerminativos en la emergencia y en el desarrollo inicial del cotoperiz [Talisia oliviformis (Kunth) Radlk]

open access: yesPastos y Forrajes, 2017
El objetivo del experimento fue evaluar el efecto de tratamientos pregerminativos en la emergencia y en el desarrollo inicial del cotoperiz [Talisia oliviformis (Kunth) Radlk], a través de seis tratamientos pregerminativos: semillas sin cubierta seminal (
Maribel del Carmen Ramírez-Villalobos   +3 more
doaj  

A comprehensive checklist of Mediterranean wild edible plants: Diversity, traditional uses, and knowledge gaps

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The use of wild edible plants and the traditional knowledge associated with them are rapidly disappearing across the Mediterranean, with serious consequences for biodiversity, cultural heritage, and regional food security. This study compiles and organizes fragmented information to create the first comprehensive catalogue of these plants across the ...
Benedetta Gori   +5 more
wiley   +1 more source

Fluctuación diurna del contenido de vitamina C en hojas de Myrciaria dubia “camu camu”

open access: yesCiencia Amazónica (Iquitos), 2013
Myrciaria dubia “camu camu” es un frutal del trópico amazónico caracterizado por sus frutos con gran contenido de vitamina C, siendo considerado un producto importante del país.
Franz Correa Meléndez   +4 more
doaj   +1 more source

Integrating indigenous crops in agroforestry systems: Lesser yam and teak mixed systems are more profitable than monocultures in Indonesia

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Major staple crops are often introduced and cultivated in monocultures. Yams are staple crops native to the majority of low‐ and middle‐income countries and can provide an alternative to introduced staple crops. We showed that lesser yams cultivated together with teak trees (planted at the border of the farm) are more profitable than lesser yam ...
Budiadi   +5 more
wiley   +1 more source

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