Results 31 to 40 of about 6,388 (220)

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   +1 more source

Cultural and morphological studies on Ponnampet leaf and neck blast isolates of Magnaporthe grisea (Herbert) barr on rice (Oryza sativa L.) [PDF]

, 2016
The study was carried out to standardize the optimal growth, sporulation and production of perfect stage of pathogen on different media. Among different media used such as Potato dextrose Agar (PDA), Oat meal Agar, Ragi flour agar, yeast extract + 2 ...
Amrutha, N., Bhagyashree, M., Chandrashekar, S.C., Jyothi, V., Prasannakumar, M.K., Raviteaz, M., Teli, Kalavati   +6 more
core   +2 more sources

VEGETATIVE COMPATIBILITY GROUPS OF PHYSIOLOGICAL RACES OF PYRICULARIA GRISEA IN Egypt [PDF]

Egyptian Journal of Agricultural Research, 2013
One hundred forty Pyricularia grisea isolates were collected from the six main rice growing governorates; Kafrelsheikh, Beheira, Sharkia, Gharbia, Dakahlia and Damietta, and from different research stations during 2008, 2009 and 2010 growing seasons. The isolates were identified to their group races as IA (1); IB (12); IC (15); ID (45); IE (1); IF (4);
SALAH M. EL-WAHSH, RAMADAN A. ARAFA, AMRO.R. EMERAN, ELSAYED F. MASHAAL   +3 more
openaire   +1 more source

In vivo effect of some fungicides on the development of Pyricularia grisea and Helminthosporium oryzae

Phytopathologia Mediterranea, 2002
The effect of various fungicide treatments of seeds and leaves of rice on the development of the pathogenic fungi Pyricularia grisea and Helminthosporium oryzae was studied.
A. Douira, A. Mouria, A. Ouazzani Touhami, S. Serghat   +3 more
doaj   +1 more source

Variabilidade patogênica do fungo Pyricularia grisea no Estado de São Paulo [PDF]

Summa Phytopathologica, 2009
Amostras de arroz com sintomas de brusone foram coletadas no período 2004-06 em diferentes regiões produtoras do Estado de São Paulo. Foram obtidos 71 isolados monospóricos do fungo P. grisea, e para a caracterização da variabilidade patogênica desses isolados foram utilizadas as séries diferenciadoras internacional e japonesa.
Malavolta, Vanda Maria Angeli, Carqueijo, Aline de Paula, Mendes, Lívia   +2 more
openaire   +3 more sources

Gray Leaf Spot of St. Augustinegrass: Cultural and Chemical Management Options

EDIS, 2005
Gray leaf spot disease, caused by the fungus Pyricularia grisea (also referred to as Magnaporthe grisea), slows grow-in, thins established stands, and can kill large areas of St. Augustinegrass turf during the frequent warm rainy periods associated with
Philip Harmon, Lawrence Datnoff, Russell Nagata, Matt Brecht, Carol Stiles   +4 more
doaj   +5 more sources

Development of blast resistant somaclones of the upland rice cultivar araguaia [PDF]

Pesquisa Agropecuária Brasileira, 2000
The degree of blast resistance of upland rice (Oryza sativa L.) cultivar Araguaia has decreased over time causing significant yield losses. The major objective of this study was to obtain blast (Pyricularia grisea) resistant somaclones, adapting ...
LEILA GARCÊS DE ARAÚJO, ANNE SITARAMA PRABHU, ADELSON DE BARROS FREIRE   +2 more
doaj   +1 more source

Caracterização genética e fenotípica de isolados de Pyricularia grisea do trigo [PDF]

Tropical Plant Pathology, 2009
O uso de ferramentas moleculares e avaliacoes da virulencia de Pyricularia grisea, agente causal da brusone do arroz e do trigo, tem permitido identificar variantes do patogeno, especialmente aqueles que ocorrem na cultura do arroz. Nesse sentido, os marcadores microssatelites ja demonstraram que sao eficientes para classificar isolados de P. grisea em
Cruz, Maria Fernanda A., Maciel, João L.N., Prestes, Ariano M., Bombonatto, Estevon A.S., Pereira, Jorge F., Consoli, Luciano   +5 more
openaire   +3 more sources

Pyricularia grisea: novo patógeno em Brachiaria brizantha cv. Marandu no Pará [PDF]

Summa Phytopathologica, 2012
cv. Marandu) e uma graminea de rapido estabelecimento,boa produtividade, resistencia as cigarrinhas tipicas de pastagem ealta producao de sementes, alem de apresentar boa adaptacao adiferentes condicoes edafoclimaticas. Esses atributos proporcionarama essa forrageira alta aceitacao pelos criadores de gado, refletidapela extensa area cultivada, de cerca
Verzignassi, Jaqueline Rosemeire, Poltronieri, Luiz Sebastião, Benchimol, Ruth Linda, França, Sueny Kelly Santos de, Carvalho, Eudes de Arruda, Fernandes, Celso Dornelas   +5 more
openaire   +2 more sources

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