Results 91 to 100 of about 6,388 (220)

Adubação potássica e a supressão da brusone de arroz em várzeas tropicais no Brasil. [PDF]

open access: yes, 2011
A adubação com potássio tem sido relacionada com a redução de severidade de brusone, em solos deficientes desse elemento. Esse estudo foi conduzido na safra 2009/2010 na Fazenda Palmital da Embrapa Arroz e Feijão com o objetivo desse trabalho foi ...
CARVALHO, M. da C. S.   +3 more
core  

Interactions Between Spore Morphogenetic Mutations Affect Cell Types, Sporulation, and Pathogenesis in Magnaporthe grisea

open access: yesMolecular Plant-Microbe Interactions, 1998
We have previously defined four single-gene mutations, con1, con2, con4, and con7, that control various stages of spore morphogenesis in the rice blast fungus.
Zhixin Shi, David Christian, Hei Leung
doaj   +1 more source

Isolasi, Identifikasi, dan Karakterisasi Cendawan Blas Pyricularia Oryzae Hasil Rejuvenasi [PDF]

open access: yes, 2014
Penyakit blas yang disebabkan oleh cendawan Pyricularia oryzae (Po) merupakan salah satu penyakit penting pada pertanaman padi di Indonesia. Penelitian ini bertujuan untuk mendapatkan cendawan patogen blas yang berasal dari hasil rejuvenasi simpanan ...
Enggraini, W. (Wening)   +4 more
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Fumigant Antifungal Activity of Corymbia citriodora and Cymbopogon nardus Essential Oils and Citronellal against Three Fungal Species

open access: yesThe Scientific World Journal, 2014
Corymbia citriodora and Cymbopogon nardus essential oils samples were analyzed by GC and GC-MS and their qualitative and quantitative compositions established. The main component of essential oils of C. citriodora and C. nardus was citronellal, at 61.78%
Raimundo Wagner de S. Aguiar   +5 more
doaj   +1 more source

Diversidade de Magnaporthe grisea em arroz de terras altas no sul do Estado do Tocantins, na safra 2008/09

open access: yesRevista Ceres, 2012
A brusone do arroz, causada pelo fungo Magnaporthe grisea, é uma das mais importantes doenças orizícolas no Brasil e no mundo, principalmente em arroz de terras altas. Objetivou-se, neste trabalho, identificar as raças fisiológicas de M.
Gil Rodrigues dos Santos   +5 more
doaj   +1 more source

Tagging microsatellite marker to a blast resistance gene in the irrigated rice cultivar Cica-8 [PDF]

open access: yes, 2012
The rice cultivar Cica-8 exhibit differential reaction to several pathotypes of Magnaporthe oryzae. The objective of the present investigation was to determine the number of alleles involved in the expression of resistance to leaf blast and identify ...
Anne Sitarama Prabhu   +4 more
core   +1 more source

Caracterização da virulência de Magnaporthe grisea em cultivares diferenciadoras japonesas e linhas quase-isogênicas das cultivares IAC-25 e de CO-39 de arroz. [PDF]

open access: yes, 2014
O objetivo do presente trabalho foi caracterizar a virulência de populações de M. grisea provenientes das cultivares BRS Bonança e Primavera, utilizando as diferenciadoras japonesas e as NIL's das cultivares CO-39 e IAC ...
ARAÚJO, L. G. de   +4 more
core  

EVALUACIÓN DE OCHO CULTIVARES DE ARROZ (Oryza sativa L.) EN CONDICIONES DE SECADO

open access: yesCultivos Tropicales, 2004
En la Estación Experimental del Arroz "Los Palacios", perteneciente al Instituto Nacional de Ciencias Agrícolas, durante el período poco lluvioso (frío) del 1999 y lluvioso (primavera) del 2000, se evaluaron ocho cultivares de arroz en condiciones de ...
Elizabeth Cristo   +4 more
doaj  

Diversity of SCAR Markers of Pyricularia grisea Isolated from Digitaria ciliaris Following Cross Infection to Rice

open access: yesMicrobiology Indonesia, 2011
Cross infection of Pyricularia grisea from grass to rice and vice versa has been reported, but genetic changes are not known yet.  This research  aimed at estimating the possibility of the genotype alteration in P.
SRI LISTIYOWATI   +4 more
doaj   +1 more source

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