Results 1 to 10 of about 127 (111)

Morphological and molecular characterization of Puccinia kuehnii, the causal agent of sugarcane orange rust, in Cub [PDF]

Scientia Agricola, 2020
Sugarcane orange rust caused by Puccinia kuehnii has recently become an important disease in sugarcane crops and its spread is causing great concern to growers.
María Francisca Perera, Romina Priscila Bertani, Marta Eugenia Arias, María de la Luz La O Hechavarría, María de los Ángeles Zardón Navarro, Mario Alberto Debes, Ana Catalina Luque, María Inés Cuenya, Ricardo Acevedo Rojas, Atilio Pedro Castagnaro   +9 more
doaj   +3 more sources

A system to map the risk of infection by Puccinia kuehnii in Brazil [PDF]

Acta Scientiarum. Agronomy, 2018
  Orange rust caused by the fungus Puccinia kuehnii greatly affects sugarcane and causes millions of tons of losses in production. This condition was first reported in Brazil at the end of 2009.
Ciro Hideki Sumida, Lucas Henrique Fantin, Ricardo Marcelo Gonçalves, Marcelo Giovanetti Canteri, Kelly Lana Araujo, Éder Antônio Giglioti   +5 more
doaj   +5 more sources

Identification of Causal Agents of Rust of Saccharum spp. and Assessment of Resistance to Brown Rust in Erianthus arundinaceus Clones and Their Offspring [PDF]

Plants
Sugarcane rust diseases are caused by Puccinia melanocephala (brown rust) and Puccinia kuehnii (orange rust), and significantly threaten the sustainable and stable development of the global sugarcane industry.
Jun-Lv Chen, Sheng-Ren Sun, Zhu-Qing Wang, Hua-Ying Fu, Huan-Yin Xu, Hai-Long Chang, San-Ji Gao, Qin-Nan Wang   +7 more
doaj   +2 more sources

Modification of the existing maximum residue levels and setting of import tolerances for pyraclostrobin in various crops. [PDF]

EFSA J, 2018
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant BASF SE submitted two requests to the competent national authority in Germany. The first one, to modify the existing maximum residue levels (MRL) for the active substance pyraclostrobin in various crops and to set import tolerances for sugar canes and American ...
European Food Safety Authority (EFSA), Anastassiadou M, Brancato A, Brocca D, Carrasco Cabrera L, De Lentdecker C, Erdos Z, Ferreira L, Greco L, Jarrah S, Kardassi D, Leuschner R, Lostia A, Lythgo C, Medina P, Miron I, Molnar T, Nave S, Pedersen R, Reich H, Sacchi A, Santos M, Stanek A, Sturma J, Tarazona J, Theobald A, Vagenende B, Villamar-Bouza L.   +27 more
europepmc   +2 more sources

Germinação de uredinosporos de Phakopsora pachyrhizi e Puccinia kuehnii sob diferentes adjuvantes [PDF]

Arquivos do Instituto Biológico, 2016
RESUMO No Brasil, Phakopsora pachyrhizi e Puccinia kuehnii são importantes patógenos das culturas da soja e cana-de-açúcar, respectivamente. Avaliou-se a germinação in vitro de uredinosporos de P. pachyrhizi eP.
Jackeline Matos do Nascimento, Walber Luiz Gavassoni, Lilian Maria Arruda Bacchi, Evandro Puhl de Melo   +3 more
doaj   +3 more sources

Métodos de preservação in vitro de urediniósporos de Puccinia kuehnii [PDF]

Summa Phytopathologica, 2012
Com o objetivo de avaliar métodos de preservação de urediniósporos de Puccinia kuehnii, conduziram-se dois bioensaios sendo o primeiro (B1) com diferentes métodos de desidratação e o segundo (B2), com diferentes métodos de reidratação. Em B1 foi adicionado um grânulo de sílica gel para preservação dos urediniósporos nos tubos de microcentrífuga.
Marcelo Canteri
exaly   +4 more sources

Histological characterization of the sugarcane response to Puccinia kuehnii infection

Biotecnología Vegetal, 2019
Sugarcane orange rust, caused by Puccinia kuehnii (W. Krüger) EJ Butler, is one of the major diseases impacting sugarcane (Saccharum spp.) production worldwide. The objective of this work was to characterize by histology the development of P.
María Ileana Oloriz Ortega, Borys Luis Valdés, Osmany Aday, Bárbara Ocaña; , Marilin Hernández, Víctor Gil, Annia González, Leonardo Rivero   +7 more
doaj   +1 more source

Germinação de uredósporos de Puccinia kuehnii submetidos a diferentes temperaturas e tempos de incubação [PDF]

Summa Phytopathologica, 2011
A ferrugem alaranjada , causada por Puccinia kuehnii é atualmente uma das doenças mais importantes da cana-de-açúcar, devido ao potencial de danos às variedades suscetíveis. Este trabalho objetivou avaliar o efeito da temperatura na germinação dos uredósporos. Os uredósporos foram coletados em cultivo comercial de cana-de-açúcar, da variedade SP 891115,
Marcelo Canteri
exaly   +2 more sources

Reaction of sugarcane varieties to orange rust (Puccinia kuehnii) and methods for rapid identification of resistant genotypes [PDF]

Tropical Plant Pathology, 2016
Sugarcane orange rust was recently introduced into Brazil and its control is based on the use of resistant varieties. This study aimed to determine the reaction of Brazilian sugarcane varieties to the disease in the field and to compare artificial inoculation methods. Rust severity was assessed in 17 varieties at a 15-day interval.
Chapola, Roberto G., Hoffmann, Hermann P., Massola, Nelson S.   +2 more
exaly   +2 more sources

Predominant Sugarcane Cultivars in the Northwestern Colombian Amazon Exhibit High Susceptibility to Orange Rust (Puccinia kuehnii)

Agronomy
Sugarcane (Saccharum spp.) is crucial for sweetener production but is highly susceptible to diseases such as orange rust, caused by Puccinia kuehnii. In the northwestern Colombian Amazon, sugarcane is increasingly cultivated, mainly for panela production,
Soraida Rojas-Vargas, Juan Carlos Ángel-Sánchez, Diego Alexander Toro-Ardila, Gabriel Rivera-Vera, Diego Armando Jiménez-Carvajal, Fausto Andrés Ortiz-Morea   +5 more
doaj   +2 more sources