Results 51 to 60 of about 578 (167)

Effect of culture medium consistence and silver nitrate on micropropagation of two potato (Solanum tuberosum) cultivars

Revista Colombiana de Biotecnología, 2013
Potato (Solanum tuberosum L.) is one of the main crops of the Andes region in Venezuela where some S. tuberosum ssp. andigena cultivars are used, including Arbolona negra.
Sandra Alva Ticona, Maira Oropeza
doaj   +1 more source

Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Guatemala

EFSA Journal, Volume 22, Issue 1, January 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both, regulated and non‐regulated pests, associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Guatemala.
EFSA Panel on Plant Health (PLH), Claude Bragard, Paula Baptista, Elisavet Chatzivassiliou, Francesco Di Serio, Paolo Gonthier, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Panagiotis Milonas, Juan A. Navas‐Cortes, Stephen Parnell, Philippe Lucien Reignault, Emilio Stefani, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Olaf Mosbach Schulz, Paraskevi Kariampa, Raghavendra Reddy Manda, Alemu Selam, Antigoni Akrivou, Spyridon Antonatos, Despoina Beris, Jane Debode, Christos Kritikos, Maria Kormpi, Christophe Lacomme, Charles Manceau, Dimitrios Papachristos, Chrysavgi Reppa, Ciro Gardi, Roel Potting   +35 more
wiley   +1 more source

Tight Physical Linkage of the Nematode Resistance Gene Gpa2 and the Virus Resistance Gene Rx on a Single Segment Introgressed from the Wild Species Solanum tuberosum subsp. andigena CPC 1673 into Cultivated Potato

Molecular Plant-Microbe Interactions, 1999
Comparative mapping studies within several plant genera have shown that genes for resistance to taxonomically diverse pathogens are often co-localized on the maps of these genotypes.
Jeroen Rouppe van der Voort, Konstantin Kanyuka, Edwin van der Vossen, Abdelhafid Bendahmane, Paul Mooijman, René Klein-Lankhorst, Willem Stiekema, David Baulcombe, Jaap Bakker   +8 more
doaj   +1 more source

NYMPH CONTROL OF Mahanarva andigena WITH Metarhizium anisopliae IN GREENHOUSE AND FIELD CONDITIONS IN PASTAZA, ECUADOR

Tropical and Subtropical Agroecosystems, 2018
The efficacy of four native isolations of Metarhizium anisopliae in the control of Mahanarva andigena nymphs in greenhouse and field was evaluated. In both conditions, the treatments were: four native isolations: T1: MT-51 (01), T2: P-50 (01), T3: T-63 ...
Segundo Benedicto Valle, Ana Puertas, Miguel Iparraguirre, Willan Caicedo, Hernán Uvidia, Karina Carrera   +5 more
doaj  

Análisis de la interacción genotipo por ambiente en papa (Solanum tuberosum spp. andigena), a través de una metodología no paramétrica Analysis of genotype by environment interaction in potato (Solanum tuberosum spp. andigena) by a non-parametric methodology

Agronomía Colombiana, 2000
El Programa de Mejoramiento en Papa, liderado por la Universidad Nacional de Colombia, estableció nueve pruebas regionales durante los años 1998 y 1999, para la evaluación de 20 genotipos promisorios de Solanum tuberosum subsp. andigena. Para el análisis
Cortes José M., Ñustez L. Carlos E., Martínez Ricardo, Estrada Nelson   +3 more
doaj  

Coinfección natural de virus de ARN en cultivos de papa (Solanum tuberosum subsp. Andigena) en Antioquia (Colombia)

Acta Biológica Colombiana, 2019
Las enfermedades virales son uno de los principales problemas fitopatológicos de la papa. Con el fin de determinar los virus más prevalentes en cultivos de papa var.
Yuliana Marcela Gallo García, Andrea Sierra Mejía, Livia Donaire Segarra, Miguel Aranda, Pablo Andres Gutiérrez Sánchez, Mauricio Marín Montoya   +5 more
doaj   +1 more source

Aves de la vereda San Gil, municipio de Gutiérrez, Cundinamarca

Revista Científica, 2014
Se determinó la diversidad de aves de la vereda San Gil, municipio de Gutiérrez, Cundinamarca, durante los meses de octubre de 2012 a marzo de 2013, mediante el método de conteo por puntos.
Jeisson Alexander Mayorga, Jhon Alexander Melo   +1 more
doaj  

Extreme Y-Resistenz im aktuellen deutschen Kartoffelsortiment

Journal für Kulturpflanzen, 2011
Das Kartoffelvirus Y (PVY) erweist sich derzeit bei Kar­toffeln als ökonomisch bedeutsamstes Pflanzenvirus weltweit. Als wichtigste Maßnahme gegen PVY gilt die Züchtung von virusresistenten Kartoffelsorten.
Kerstin Lindner, Anita Behn, Andrea Schwarzfischer, Ye-Su Song   +3 more
doaj   +1 more source

Late blight and virus host-plant resistances, crossing ability and glycoalkaloids in Nordic potato germplasm

Acta Agriculturae Scandinavica. Section B, Soil and Plant Science, 2017
Old potato cultivars from the Nordic Genetic Resource Center (NordGen) and advanced breeding clones from the Swedish University of Agricultural Sciences (SLU) were evaluated for susceptibility to Potato Virus Y (PVY) and Potato Leafroll Virus (PLRV ...
Nadezhda Zoteyeva, Ulrika Carlson-Nilsson, Therese Bengtsson, Kerstin Olsson, Rodomiro Ortiz   +4 more
doaj   +1 more source

Genotype reaction of Solanum tuberosum, andigena and phureja groups to late blight (Phytophthora infestans Mont. De Bary)

Revista de Ciencias Agrícolas, 2019
Potato crop is the fourth main food product in the world, but is affected by Phytophthora infestans, the late blight disease causal agent. This research was carried out in a town of Pasto high plateau, South of Colombia. In order to evaluate the reaction
Jennyfer Moncayo, Roberth Delgado, Carlos Marcillo, Claudia Salazar, Carlos Betancourth   +4 more
doaj   +1 more source