Results 11 to 20 of about 16,500 (221)

Calogênese in vitro em anteras de coffea arabica L. In vitro callogenesis in anthers of Coffea arabica L.

Ciência e Agrotecnologia, 2004
O café é um dos mais importantes produtos do mercado internacional; porém, o tempo gasto e os recursos despendidos são fatores limitantes para o melhoramento do cafeeiro por meio de métodos convencionais.
Ednamar Gabriela Palú, Adriano Bortolotti da Silva, Moacir Pasqual   +2 more
doaj   +2 more sources

TINGKAT KEMATANGAN BIJI KOPI ARABICA (Coffea arabica L.) DALAM MENGHASILKAN KADAR KAFEIN [PDF]

Sains Natural, 2019
Levels of Arabica (Coffea Arabica L.) Coffee Materials in Producing Caffein  Coffee is a plantation crop that has long been cultivated in Indonesia. One type of coffee grown in Indonesia, namely arabica coffee.
Srikandi Srikandi, Aprilia Widia Kristanti, RTM Sutamihardja   +2 more
doaj   +2 more sources

Heterotic potential and combining ability of Coffea arabica L. [PDF]

Sci Rep
The use of hybrid vigor or heterosis in Coffea arabica L. cultivation has gradually been commercially explored worldwide since research has evolved in understanding this phenomenon and the vegetative propagation techniques or male-sterility making its use viable.
Andrade VT, Raposo FV, Carvalho GR, Ferreira AD, da Silva CA, de Oliveira Costa J, Botelho CE.   +6 more
europepmc   +4 more sources

Rooting biostimulants for Coffea arabica L. cuttings

Coffee Science, 2020
In the rooting process of Arabica coffee cuttings, plant hormones are used for inducing root formation. However, synthetic molecules cannot be used to form organic seedlings. The objective of this work was to evaluate the effect Cyperus haspan extract and different concentrations and types of humic substances on Arabica coffee cuttings.
Harianna Paula Alves de Azevedo, Alex Mendonça de Carvalho, Douglas Alves Vidal, Heloisa Oliveira dos Santos, Joyce Doria Rodrigues   +4 more
openaire   +3 more sources

Taxonomia de Coffea arabica L.: II - Coffea Arabica L. Var. Caturra e sua forma Xanthocarpa [PDF]

Bragantia, 1949
Uma nova variedade de Coffea arabica L., provavelmente originária de Manhumirim, Estado de Minas Gerais, e cultivada em pequena escala no Estado do Espírito Santo, foi recebida, pelo Instituto Agronômico de Campinas, em 1937. Trata-se da variedade caturra.
Krug, C. A., Mendes, J. E. T., Carvalho, A.   +2 more
openaire   +3 more sources

The effect of auxin 2,4-D and cytokinin 2-ip on direct somatic embryogenesis formation of Coffea arabica L. leaf explant

Coffee and Cocoa Research Journal, 2011
One of the propagation technique for coffee plant production is tissue culture. Tissue culture technique for Coffea arabica L. faces some problems, mainly in the planlet formation regenerated from explants. The objective of this experiment was to examine
Rina Arimarsetiowati
doaj   +1 more source

Determination of Three Main Chlorogenic Acids in Water Extracts of Coffee Leaves by Liquid Chromatography Coupled to an Electrochemical Detector

Antioxidants, 2018
Coffee is a beverage widely consumed in the world. The coffee species most commercialized worldwide are Arabica (Coffea arabica) and Robusta (Coffea canephora).
Rocío Rodríguez-Gómez, Jérôme Vanheuverzwjin, Florence Souard, Cédric Delporte, Caroline Stevigny, Piet Stoffelen, Kris De Braekeleer, Jean-Michel Kauffmann   +7 more
doaj   +1 more source

Resposta do cafeeiro cv. Topázio MG-1190 submetido a diferentes épocas de irrigação Response of cv. Topázio MG-1190 coffee submitted to different periods of irrigation

Revista Brasileira de Engenharia Agrícola e Ambiental, 2002
O presente trabalho foi desenvolvido na área experimental da Universidade Federal de Lavras, Lavras, MG, usando-se o cafeeiro da cultivar Topázio MG-1190, de 28 meses de idade, sistema de cultivo adensado com espaçamento de 1,80 x 0,70 m, irrigado por ...
Shiguekazu Karasawa, Manoel A. de Faria, Rubens J. Guimarães   +2 more
doaj   +1 more source

Strategies to reconstruct 3D Coffea arabica L. plant structure [PDF]

SpringerPlus, 2016
Accurate model of structural elements is necessary to model the foliage and fruit distributions in cultivated plants, both of them being key parameters for yield prediction. However, the level of details in architectural data collection could vary, simplifying the data collection when plants get older and because of the high time cost required.
Matsunaga, Fabio Takeshi, Tosti, Jonas Barbosa, Androcioli-Filho, Armando, Brancher, Jacques Duílio, Costes, Evelyne, Rakocevic, Miroslava   +5 more
openaire   +4 more sources

Natural infection of several Coffea species and hybrids and Psilanthus ebracteolatus by the coffee ringspot virus (CoRSV)

Scientia Agricola, 2011
Coffee ringspot is a minor coffee disease caused by the nuclear type of Brevipalpus mite-transmitted virus, Coffee ringspot virus (CoRSV). Recently outbreaks of the disease in some growing regions of the state of Minas Gerais, Brazil, were registered ...
Elliot Watanabe Kitajima, César Martins Chagas, Masako Toma Braghini, Luiz Carlos Fazuoli, Eliane Cristina Locali-Fabris, Renato Barbosa Salaroli   +5 more
doaj   +1 more source