Results 21 to 30 of about 3,007 (152)

Fungos associados a sementes de arroz produzidas no Alto Vale do Itajaí, SC

Agropecuária Catarinense, 2021
A ocorrência de doenças em arroz irrigado é um dos fatores de restrição à produção. Muitas dessas doenças do arroz são causadas por patógenos que são eficientemente transmitidos pelas sementes.
Francisco Roberto Kirchner, Marciel João Stadnik   +1 more
doaj  

Sanitary quality of Brachiaria brizantha cv. Marandu and Xaraés seeds harvested in different states in Brazil

Bioscience Journal, 2017
The incidence of fungi in seeds depends on the sanitary and climatic conditions in which the seeds were produced. So, the objective of this study was to identify the fungi present in commercial lots of Brachiaria brizantha cv.
Cibele Chalita Martins, Paulo Alexandre Fernandes Rodrigues de Melo, Francisco Elder Carlos Bezerra Pereira, Antônio Pereira dos Anjos Neto, Luciana Cordeiro do Nascimento   +4 more
doaj   +3 more sources

Estimativa de danos causados pela brusone na produtividade de arroz de terras altas [PDF]

Pesquisa Agropecuária Brasileira, 2003
Este trabalho teve como objetivos determinar as perdas na produtividade de arroz causadas pela brusone (Pyricularia grisea) e estabelecer as relações entre a severidade da doença e alguns componentes de produtividade, nas condições naturais de infecção ...
Anne Sitarama Prabhu, Leila Garcês de Araújo, Cláudia Faustina, Rodrigo Fascin Berni   +3 more
doaj   +1 more source

A Procedure for Miniscale Preparation of Pyricularia grisea DNA

, 1993
This article 'A Procedure for Miniscale Preparation of Pyricularia grisea DNA' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems.
Scott, R. P., Zeigler, R. S., Nelson, R. J.   +2 more
openaire   +2 more sources

Eficiência relativa de fontes de silício no controle de brusone nas folhas em arroz Relative efficiency of silicon sources on rice leaf blast control

Pesquisa Agropecuária Brasileira, 2003
A adubação silicatada constitui uma das alternativas para diminuir o uso de fungicidas no controle da brusone em arroz. Foi realizado um experimento, durante 1999/2000 e repetido durante 2000/2001, com o objetivo de estudar a eficiência relativa de ...
Rodrigo Fascin Berni, Anne Sitarama Prabhu   +1 more
doaj   +1 more source

Reação de acessos de Cenchrus a Pyricularia grisea no semiárido brasileiro

Journal of Environmental Analysis and Progress, 2021
O fungo Pyricularia grisea causa manchas foliares em capim buffel (Cenchrus ciliaris), sendo um problema em pastagens dessa forragem no Texas, EUA e México. Apesar desta doença não apresentar problemas graves ao capim buffel no Semiárido brasileiro, a busca de germoplasma com algum nível de tolerância a esta doença tem importância preventiva.
Rafaela Priscila Antonio, Pedro Martins Ribeiro Júnior, Irlane Cristine de Souza Andrade Lira, Lucas Peixinho Campos Nery, Jullie Cryscelle Leandro Silva, Bruno Djvan Ramos Barbosa, Breno dos Santos Costa   +6 more
openaire   +2 more sources

Pyricularia grisea causando lesões necróticas em folhas de bananeira [PDF]

Fitopatologia Brasileira, 2002
Pyricularia grisea causing leaf spots in banana produced by micropropagation Banana (Musa sp.) seedlings produced by micropropagation in the aclimatation stage have been infected by Pyricularia grisea causing necrotic leaf spot limiting the growth of the explants.
DINALDO R. TRINDADE, LUIZ S. POLTRONIERI, FERNANDO C. ALBUQUERQUE, ANTÔNIO JOSÉ E. A. MENEZES   +3 more
openaire   +4 more sources

First Report of Rice Blast Caused by Pyricularia grisea in California

Plant Disease, 1997
Rice blast, caused by Pyricularia grisea (Cooke) Sacc., generally recognized as the most important disease of rice (Oryzae sativa L.) worldwide, was first found in the Sacramento Valley of California in 1996. Symptoms observed in commercial fields during September and October consisted mainly of darkened lesions at the panicle neck node and flag leaf ...
C A, Greer, S C, Scardaci, R K, Webster
openaire   +2 more sources

A Protein from the Mold Aspergillus giganteus Is a Potent Inhibitor of Fungal Plant Pathogens

Molecular Plant-Microbe Interactions, 2001
A purified preparation of antifungal protein (AFP) from Aspergillus giganteus exhibited potent antifungal activity against the phytopathogenic fungi Magnaporthe grisea and Fusarium moniliforme, as well as the oomycete pathogen Phytophthora infestans ...
L. Vila, V. Lacadena, P. Fontanet, A. Martinez del Pozo, B. San Segundo   +4 more
doaj   +1 more source

GENETIC DIVERSITY OF RICE BLAST FUNGUS POPULATIONS (Pyricularia grisea) USING MOLECULAR MARKERS [PDF]

Journal of Agricultural Chemistry and Biotechnology, 2016
Pyricularia grisea fungus which causing rice blast disease is one of the main pathological races threats to rice crop in Egypt and worldwide.  Thirty isolates out of known 144 strains of this fungus were selected according to geographical locations ...
R. Arafa, S. Mashaal, A. Emeran, Y. El-Refaee, S. El-Wahsh   +4 more
doaj   +1 more source