Results 31 to 40 of about 41,123 (183)

Desarrollo de material didáctico multimedia del cultivo de tejidos vegetales con aplicaciones agrarias y ambientales

open access: yesRevista de Investigación Agraria y Ambiental, 2017
Las aplicaciones pedagógicas tradicionales se fundamentan en el desarrollo de la clase con marcador y tablero, y con leves avances en el manejo de diapositivas; sin embargo, las tecnologías digitales presentan una serie de novedades que complementan el trabajo de la enseñanza con aprendizaje autónomo, que puede desarrollar el educando en áreas agrarias
Agudelo Varela, Oscar   +2 more
openaire   +6 more sources

Photosynthetic and leaf anatomical characteristics of Castanea sativa: a comparison between in vitro and nursery plants

open access: yesBiologia Plantarum, 2012
The anatomic and functional leaf characteristics related to photosynthetic performance of Castanea sativa growing in vitro and in nursery were compared. The irradiance saturated photosynthesis in in vitro grown plantlets was significantly lower compared ...
P. L. Sáez   +5 more
doaj   +1 more source

PROPAGACIÓN in vitro DE QUISHUAR (Buddleja incana Ruíz & Pav) [PDF]

open access: yes, 2020
Quishuar es una especie forestal apreciada por sus usos. La explotación intensiva y la oferta insatisfecha de plantas han sido limitantes para cumplir con programas de reforestación.
Barrera Aguilar, Paulo   +4 more
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Efecto del ácido bórico y la luz en el número y biomasa de microtubérculos de papa cv. “Floresta”

open access: yesUniciencia, 2017
Con el propósito de conocer la respuesta en el número y la biomasa de microtubérculos de papa (Solanum tuberosum L. “Floresta”), se evaluó, bajo condiciones de cultivo in vitro, el efecto de cuatro concentraciones de ácido bórico: 6.2 mg l-1, 7.75 mg l-1,
José Antonio García-García   +1 more
doaj   +1 more source

Evaluating endophyte‐rich leaves and leaf functional traits for protection of tropical trees against natural enemies

open access: yesFunctional Ecology, Volume 39, Issue 2, Page 371-389, February 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants use physical barriers and chemical compounds to defend themselves against natural enemies. For instance, tough leaves are considered to be better defended than soft leaves, part of a spectrum of defences defined by functional traits such as leaf chemistry ...
Bolívar Aponte Rolón   +3 more
wiley   +1 more source

Historia del cultivo in vitro en España [PDF]

open access: yes, 2007
Conferencia inaugural de la VII Reunión Nacional de la Sociedad Española de Cultivo In Vitro de Tejidos Vegetales (SECIVTV).-- Publicado en el Libro de resúmenes de la VII Reunión de la SECIVTV (Alcalá de Henares, 25-27 Junio 2007). Editores: M. Toribio,
Ballester, Antonio
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Plant regeneration of sweet acacia (Vachellia farnesiana [L.] Wight & Arn.) via somatic embryogenesis

open access: yesDiscover Forests
Vachellia farnesiana (L.) Wight & Arn. is a leguminous tree of ecological and economic value, yet its propagation is limited by seed dormancy and inefficient vegetative methods.
Alejandro Ibarra-López   +5 more
doaj   +1 more source

Opportunities and challenges for strawberry cultivation in urban food production systems

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 3, Page 611-621, May 2024.
Cultivation of strawberry plants in urban production systems, whether in green open‐air spaces or under some form of protected horticulture such as vertical farming, has demonstrated to be challenging to new farmers and businesses. Commercial strawberry producers have an advanced understanding of strawberry plant physiology, enabling them to grow the ...
Aikaterini Kouloumprouka Zacharaki   +3 more
wiley   +1 more source

A nationwide assessment of microplastic abundance in agricultural soils: The influence of plastic crop covers within the United Kingdom

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 2, Page 304-314, March 2024.
Agricultural soils are substantial receptors of plastic pollution. Plastic crop covers, a facet of agriplastics, may represent an important contribution to microplastic load in agricultural soils. The authors present a nationwide study of agricultural soils in the United Kingdom, comparing microplastic load between sites where plastic crop covers are ...
Samuel J. Cusworth   +3 more
wiley   +1 more source

BIOTECNOLOGÍA [PDF]

open access: yes, 2016
MANUAL PARA PRÁCTICAS DE LABORATORIO, TALLER U OTRA ÁREA DE APOYO A LA ...
VENCES CONTRERAS CESAR
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