6 2-1-presentacion-cap-iv
TRANSCRIPT
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SAR / CERCOZOA ¡!!
(RHIZARIA !!!)
FITOPATOGENOS + VECTORES DE VIRUSES
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1.- Spongospora subterranea, roña de la papa (powdery scab)
p = plasmodio
rs = esporas de
reposo (quistes)
zs = zoosporangio
z = zoosporas
Agrios, 2005
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FITOPATOGENOS-FIT613
2. Plasmodiophora brassica (clubroot of
crucifers)
Cultivo de repollo
infectado
Agallas
producidas
Agrios, 2005
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rs = esporas de reposo o quistes
AGRIOS, 2005
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Esporas de reposo en
células de raíz infectadas
AGRIOS, 2005
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Pl.t odium -·--, spreads· ./
V ,;Y 1
-
cf u!HQOU
Rooo; f •nf('cted < bb..•g p!
F 1 G U RE 1 1 13 OJ <I'l't' l:'yde ut duhtUOl 01 crm:if<:r'> C1USt.d l>) Plmm<drnpbflvbnl) ic·tu•.
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AGRIOS, 2005
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3. Polymyxa spp.
Virus transmitido: beet necrotic yellow vein virus
SANAS
“Rhizomania of sugar beets”
AGRIOS, 2005
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Polymyxa spp.
Virus transmitido: wheat soil-borne mosaic virus
wheat
Agrios, 2005
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Polymyxa spp. - Transmisión de viruses
ZOOSPORANGIA Agrios, 2005
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Polymyxa graminis (vector de virus) *** En raíces de trigo***
AGRIOS, 2005
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DIFERENCIAS ENTRE GENEROS ?????
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HONGOS FITOPATOGENOS-FIT613