Results 91 to 100 of about 15,575 (223)

Thidiazuron induced somatic embryogenesis in Coffea arabica L. and Coffea canephora P ex Fr. [PDF]

open access: yes, 2004
The rapid direct and repetitive somatic embryogenesis in Coffea arabica and C. canephora genotypes was tested on Murashige and Skoog medium (MS) containing thidiazuron (TDZ) (1-phenyl-3-(1,2,3,-thiadiazol-5-yl)urea) in concentrations of 2.27–11.35s M ...
A. Chandrasekar   +4 more
core   +1 more source

Sequence organisation and conservation at homeologous regions ln the recent allotetraploid coffee (Coffea arabica L.) [PDF]

open access: yes, 2009
Coffee is one of the world's largest traded commodities produced in more than 60 countries. Coffee species belong to the Rubiaceae family and commercial coffee production relies mainly on two closely related species: Coffea arabica and C.
Cenci, Alberto   +4 more
core  

The early steps of drought response mediated by ABA: evolutionary and molecular mechanism of Coffea canephora PYR/PYL/RCAR receptors [PDF]

open access: yes, 2014
The abscisic acid (ABA) is a vital phytohormone synthesized in roots and leaves, acting as central regulator involved in plant responses against abiotic stress, such as drought.
Andrade, Alan Carvalho   +8 more
core  

The Effectiveness of Kombucha Coffee (Coffea canephora) Extract Antioxidant Moisturizer on UV-B Induced Skin Epidermal Thickness

open access: yesBerkala Ilmu Kesehatan Kulit dan Kelamin (Periodical of Dermatology and Venerology)
Background: The exposure to UV-B (280-320 nm) in Indonesia's tropical sunlight leads to the accumulation of free radicals, which in turn causes the formation of dry skin and thickening of the epidermis, a sign of skin photoaging.
Lifia Chandra   +3 more
doaj   +1 more source

Genome-wide identification, classification and transcriptional analysis of nitrate and ammonium transporters in Coffea

open access: yesGenetics and Molecular Biology, 2017
Nitrogen (N) is quantitatively the main nutrient required by coffee plants, with acquisition mainly by the roots and mostly exported to coffee beans. Nitrate (NO3–) and ammonium (NH4+) are the most important inorganic sources for N uptake.
Tiago Benedito dos Santos   +4 more
doaj   +1 more source

Beyond the Orthodoxy: An Overview of the Potential of ‘Other’ Coffee Species for Crop Use and Their Associated Challenges

open access: yesProceedings
Coffea arabica (Arabica) and C. canephora (Robusta, Conilon) have satisfied the requirements of the coffee sector for the last 125 years. In the face of myriad challenges, most notably climate change, the coffee species crop portfolio requires ...
Aaron P. Davis
doaj   +1 more source

Benchtop Volatilomics and Machine Learning for the Discrimination of Coffee Species

open access: yesChemosensors
The main characteristics of the large number of coffee species are differences in aroma and caffeine content. Labeled blends of Coffea arabica (C. arabica) and Coffea canephora (C.
Catherine Kiefer   +5 more
doaj   +1 more source

Genetic mapping and QTLs detection in a Theobroma grandiflora progeny : S04P01 [PDF]

open access: yes, 2013
The genus Theobroma covers 22 native species to the Amazon region. Two species are cultivated in Brazil:Theobroma cacao and T. grandiflorum (cupuaçu). T.
Alves, Rafael Moyses   +11 more
core  

Amélioration génétique de Coffea canephora Pierre par hybridation interspécifique : étude de descendances de première génération de <i>Coffea canephora Pierre x Coffea congensis Froenhner</i>

open access: yesAgronomie Africaine, 2009
Le café représente l\'un des produits échangés les plus importants dans le monde. La culture du caféier C. canephora (robusta) constitue une importante source de revenus pour les pays producteurs. En Côte d\'Ivoire, le café et le cacao représentent 20 % du Produit Intérieur Brut, plus de 50 % des exportations et près de 70 % de l\'épargne intérieure ...
N'Guetta, AS   +3 more
openaire   +3 more sources

Chemical Composition of Coffea arabica Beans and Grafts at Different Roasting Levels

open access: yesBeverages
The main commercial species of coffee is Coffea arabica; however, it is highly susceptible to biotic and abiotic factors. For this reason, scions of Coffea arabica species are used on robusta (Coffea canephora) rootstocks since grafting can modify the ...
Miriam Cristina Pastelin-Solano   +10 more
doaj   +1 more source

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