Results 21 to 30 of about 178,417 (309)

Diversos actores, variedades, fuentes y transacciones en los sistemas de semilla de papa en Cotopaxi [PDF]

open access: yes, 2020
La provincia de Cotopaxi es una de las principales zonas productoras de papa del Ecuador.Desafortunadamente, la productividad es 48% más baja que la productividad nacional(Ministerio de Agricultura y Ganadería, 2019).
Almekinders, Conny J.M.   +6 more
core  

The importance of integrating herbarium records into conservation plans: a case study on Honduran ferns and lycophytes

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Herbarium collections are powerful, yet underutilized, tools for global biodiversity conservation and protected area management. By integrating digitized herbarium records with existing biodiversity data, previously unknown plant species were uncovered, exposing critical gaps in conservation knowledge.
Sven P. Batke   +6 more
wiley   +1 more source

Revitalizing endangered mycocultural heritage in Mesoamerica: The case of the Tlahuica‐Pjiekakjoo culture

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The preservation and revitalization of mycocultural heritage, developed over centuries of human‐mushroom interaction, contributes to safeguarding both natural ecosystems and the promotion of sustainable rural development, one of the biggest global challenges currently faced by humankind.
Elisette Ramírez‐Carbajal   +8 more
wiley   +1 more source

The Melianthaceous seed and its Rhamnaceous affinity [PDF]

open access: yes, 1998
. La semilla de Melianthaceae y su afinidad con Rhamnaceae. En el presente trabajo, se ha estudiado la anatomia y morfología de la semilla de Bersama (Bersamataceae) y Melianthus (Melianthaceae) con el objeto de clarificar su posición sistemática.
Doweld, Alexander B.
core   +2 more sources

The potential of seedbank digital information in plant conservation

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Seedbanks are vital for biodiversity conservation, but their potential remains underutilised due to a limited understanding of the intraspecific genetic diversity they hold. By leveraging digitised data associated with seedbank collections, such as sampling locations, number of maternal plants and seed traits, we can attempt the estimation of genetic ...
Roberta Gargiulo   +23 more
wiley   +1 more source

Los factores socioeconómicos que influyen en la funcionalidad de los sistemas de semilla. [PDF]

open access: yes, 2015
La preocupación por mejorar los sistemas de semilla no es una preocupación nueva. Se viene hablando del tema desde hace décadas, aunque en los últimos años había perdido relevancia en el discurso de los donantes.
Ortiz, O.
core  

How digitisation of herbaria reveals the botanical legacy of the First World War

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Digitisation of herbarium collections is bringing greater understanding to bear on the complexity of narratives relating to the First World War and its aftermath – scientific and societal. Plant collecting during the First World War was more widespread than previously understood, contributed to the psychological well‐being of those involved and ...
Christopher Kreuzer, James A. Wearn
wiley   +1 more source

Importancia del grano de trigo en la epidemiologia de la mancha de la hoja producida por Septoria tritici [PDF]

open access: yes, 2014
Varias enfermedades del trigo se producen por hongos transmitidos por la semilla. Promueve la sobrevivencia del patógeno e inicia el inóculo para el nuevo cultivo.
Astiz Gasso, Marta   +5 more
core   +1 more source

Hurdles to overcome to achieve biostimulant‐driven, low chemical input crop production

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Crop production requires considerable chemical inputs that result in significant greenhouse gas emissions and other environmental costs. Biostimulants are natural agents, such as microorganisms or seaweed, applied to plants and soil to stimulate plant growth and reduce chemical inputs. Biostimulant use is rapidly increasing globally, but hurdles remain,
Wolfram Buss   +6 more
wiley   +1 more source

Ensayos preliminares de germinación en Puya raimondii Harms (Bromeliaceae)

open access: yesRevista Peruana de Biología, 2014
Puya raimondii Harms es una especie endémica de la zona altoandina de Perú y Bolivia, cuyas poblaciones y área de distribución se están reduciendo. Con el objetivo de contribuir al conocimiento de los mecanismos de propagación de la especie se realizaron
Mery L. Suni   +2 more
doaj   +1 more source

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