Results 91 to 100 of about 22,313 (213)

Sirdavidia, an extroardinary new genus of Annonaceae from Gabon [PDF]

open access: yes, 2015
A distinctive new monotypic genus from Gabon is described in the tropical plant family Annonaceae: Sirdavidia, in honor to Sir David Attenborough. Molecular phylogenetic analyses confirm that Sirdavidia, which is very distinct from a morphological ...
Couvreur, Thomas   +3 more
core  

Vinylogous aldol reaction of heterocyclic silyloxy dienes. Application in synthesis [PDF]

open access: yes, 2000
A versatile, readily accessible triad of 2-enoxy silane synthons derived from furan, pyrrole, and thiophene is presented. These heterocycles, in reacting with carbonyl and carbonyl- related acceptors, act as vinylogous nucleophile modules, giving rise ...
Casiraghi, Giovanni   +2 more
core  

HIV and orientation of subsistence and commercial home gardens in rural Ghana: Crop composition, crop diversity and food security [PDF]

open access: yes, 2010
An empirical study was conducted to explore differences and similarities in biodiversity in subsistence and commercial home gardens of HIV-positive and HIV-negative rural households in the Eastern Region of Ghana and their significance in household food ...
Akrofi, S., Price, L.L., Struik, P.C.
core   +1 more source

Carpel fusion of Annona × atemoya(Annonaceae)

open access: yesGuangxi Zhiwu
Annona Xatemoya(Annonaceae)is an important tropical economic fruit. Carpel fusion is an important stage in its fruit development process. In order to study the ontogeny of the carpel fusion of Annona Xatemoya, the present study observed its young fruits ...
GAN Yangying1, PING Jingyao2, SONG Songquan3, CAO Yang1*
doaj   +1 more source

Efeito de citocininas na senescência e abscisão foliar durante o cultivo in vitro de Annona glabra L. Effect of cytokinins on senescence and foliar abscision during in vitro Annona glabra L. cultivation

open access: yesRevista Brasileira de Fruticultura, 2007
A micropropagação de anonáceas tem sido limitada pela abscisão foliar precoce nas brotações, o que dificulta a manutenção e o desenvolvimento das plantas in vitro.
Lenaldo Muniz de Oliveira   +5 more
doaj   +1 more source

Seed oil and defatted cake proximate composition of non timber product Annona squamosa (Annonaceae) grown in Benin [PDF]

open access: yes, 2012
Annona squamosa L. is a small tree which grows wild in many places in the tropical regions and locally called "xwingle" in Benin. Its produces edible fruits, typically globular or heart-shaped which are highly appreciated and the seeds are much neglected.
Dangou, Justine   +3 more
core  

Antileishmanial and trypanocidal activity of brazilian Cerrado plants [PDF]

open access: yes, 2005
The side effects and the emerging resistance to the available drugs against leishmaniasis and trypanosomiasis led to the urgent need for new therapeutic agents against these diseases.
Bories, Christian   +6 more
core   +4 more sources

Experimental TGA device for the determination of cellulose pyrolysis behaviour at elevated pressure [PDF]

open access: yes, 2012
Forestry lignocellulosic biomass is a major renewable energy sources in the world. Carbon generated by Nature through photosynthesis process, could potentially be considered as a neutral energy carrier in term of the greenhouse gas emissions, if it is ...
Boutahar, Nabila   +2 more
core  

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