Results 41 to 50 of about 846,679 (205)

Massive production of Hemileia vastatrix uredospores for infection of Coffea arabica seedlings

Scientia Agropecuaria, 2023
Coffee leaf rust (Hemileia vastatrix) is the most important disease in coffee crops around the world. Currently, there is limited knowledge about mass production methodologies and ex-situ infection of H.
Angel David Hernández-Amasifuen, Lenin Rivadeneyra-Chisquipama , Amner Padilla-Dominguez, Richard Paredes-Espinosa, Juan Carlos Guerrero-Abad, Elías Torres-Flores , Jorge Luis Peláez-Rivera, Fernando Marcelo Carvajal-Vallejos, Dina Lida Gutiérrez-Reynoso, Mike Anderson Corazon-Guivin   +9 more
doaj   +1 more source

Correlation Between Secondary Metabolites of Leaf and the Resistance to Leaf Rust (Hemileia vastatrix) on Several Arabica Coffee Clones

Ilmu Pertanian (Agricultural Science), 2019
Indicator of coffee resistance to leaf rust attack (Hemileia vastatrix) is needed to select superior coffee plants resistant to biotic stress. This study aims to find the relationship between the content of secondary metabolites and the intensity of leaf
Gatot Subroto, Dwi Erwin Kusbianto, Sholeh Avivi, Slameto Slameto, Setiyono Setiyono   +4 more
doaj   +1 more source

Abnormal germling development by brown rust and powdery mildew on cer barley mutants [PDF]

, 2001
The barley leaf rust fungus forms appressoria over host leaf stomata and penetrates via the stomatal pore. High levels of avoidance to leaf rust fungi have been described in some wild accessions of Hordeum species where a prominent wax layer on the ...
Rubiales, D., Niks, R.E., Ramirez, M.C., Carver, T.L.W., Rubiales, Diego, Carver, Timothy L. W., Ramírez, M. Carmen, Niks, Rients E.   +7 more
core   +1 more source

MGS Aranãs: the new Arabica coffee cultivar developed by Epamig with wide adaptation [PDF]

, 2022
This paper describes the MGS Aranãs cultivar (H32-11-17-4-2-MS-MS) resulting from a cross between the cultivars Icatu 3851-2 and Catimor. The MGS Aranãs cultivar is characterized by small size, ripe red fruits, large seeds, coffee leaf rust resistance ...
Botelho, Cesar Elias, Carvalho, Gladyston Rodrigues, Pereira, Antonio Alves, Oliveira, Antônio Carlos Baião de, Ferreira, André Dominghetti, Rezende, Juliana Costa de   +5 more
core   +1 more source

RoCoLe: A robusta coffee leaf images dataset for evaluation of machine learning based methods in plant diseases recognition

Data in Brief, 2019
In this article we introduce a robusta coffee leaf images dataset called RoCoLe. The dataset contains 1560 leaf images with visible red mites and spots (denoting coffee leaf rust presence) for infection cases and images without such structures for ...
Jorge Parraga-Alava, Kevin Cusme, Angélica Loor, Esneider Santander   +3 more
doaj   +1 more source

Characterization of Coffea arabica L. parent plants and physicochemical properties of associated soils, Peru

Heliyon, 2022
It is important to carry out the morphological characterization of coffee parent plants and the physicochemical properties of the associated soils in the Amazon region, Peru, in order to achieve germplasm conservation.
C. Wigoberto Alvarado, Leidy G. Bobadilla, Leandro Valqui, Gelver Silva Valqui, Lamberto Valqui-Valqui, Carmen N. Vigo, Héctor V. Vásquez   +6 more
doaj   +1 more source

Polyphenol Content and Enhancing Plant resistance of Lowland Arabica Coffee [PDF]

E3S Web of Conferences, 2020
The production of arabica coffee in Indonesia is still low because of leaf rust disease suppression caused by Hemileia vastatrix. Basically, it can produce well in the overlapping zone (1000-1500 masl).
Wulanjari Distiana, Wijaya Ketut Anom, Rosyady Muhammad Ghufron, Wafa Ali   +3 more
doaj   +1 more source

Pengujian sifat unggul beberapa klon harapan kopi arabika di kebun percobaan Andungsari, Jawa Timur (Testing for superior traits of some arabica coffee promising clones at Andungsari research station, East Java)

Coffee and Cocoa Research Journal, 2012
One of the major diseases which limiting production in arabica coffee is the leaf rust caused by the fungus Hemileia vastatrix, B et Br. Selection and testing on thirteen promising arabica coffee clones were carried out at endemic area for leaf rust ...
Retno Hulupi, Surip Mawardi, Yusianto Yusianto   +2 more
doaj   +1 more source

Composition and Diversity of LTR Retrotransposons in the Coffee Leaf Rust Genome (Hemileia vastatrix)

Agronomy, 2022
Coffee leaf rust is the most damaging disease for coffee cultivation around the world. It is caused by a fungal pathogen, Hemileia vastatrix (Hva), belonging to the phylum Basidiomycota.
Simon Orozco-Arias, Mariana S. Candamil, Paula A. Jaimes, Marco Cristancho, Reinel Tabares-Soto, Romain Guyot   +5 more
doaj   +1 more source

Coffee leaf rust (Hemileia vastatrix) is transmitted by rain splash from infected leaf litter in a controlled experiment

, 2022
Supporting data for: Coffee leaf rust (Hemileia vastatrix) is transmitted by rain splash from infected leaf litter in a controlled ...
John Vandermeer (10217139), Ivette Perfecto (13144118), Zachary Hajian-Forooshani (10217142), Kevin Li (10272233)   +3 more
core   +1 more source