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C A R A C T E R I S T I C A S
COLEGIO DE POSTGRADUADOS-HF-FIT613
Pucciniomycotina
Pucciniomycetes
¡¡¡¡NO BASIDIOCARPO !!!!
!!!! NO FIBULAS!!!!
!!!! CINCO ESPORAS¡¡¡¡¡
COLEGIO DE POSTGRADUADOS-HF-FIT613
S E P T O
AUTOECIOUS – UN SOLO HOSPEDANTE
Ej. Melampsora lini
HETEROECIOUS – DOS HOSPEDANTES
1. Hospedante alterno (por lo general una maleza)
2. Cultivo (mayoría de especies; hospedante
principal)
MACROCICLICO: 5 estados de esporas
(0, I, II, III, IV)
DEMICICLICO: 4 estados de esporas
(0, I, - III, IV)
MICROCICLICO: 3 estados de esporas
(0, - - III, IV)
2 estados de esporas
( - - - III, IV)
S
I
N
T
O
M
A
S
H O S P E D A N
Herrera y Uloa, 1998
S I N T O M A S
UREDIAS T E L I A S
(anamorfo) (teleomorfo) T E (trigo)
ISLAS VERDES S I G N O S
(síntomas)
H A Z E N V E S Herrera y Ulloa, 1998
+ ESTADOS DE ESPORAS
Herrera y Ulloa, 1998
SIGNOS
I
SINTOMAS
TELIOSPORAS
Herrera y Ulloa, 1998
III
(pared gruesa,
bicelulares y
pediceladas)
II.
Herrera y Ulloa, 1998
ANAMORFO
(uredosporas)
(unicelular,
verrucosas)
III.
TELEOMORFO
(teliosporas) unicelular
(bicelular)
Herrera y Ulloa, 1998
II.
UREDOSPORA apresorio
(esporas de
verano)
-ANAMORFO-
I N F E C C I O N
COLEGIO DE POSTGRADUADOS-HF-FIT613
Herrera y Ulloa, 1998
III. TELIOSPORA IV. BASIDIOSPORAS
(esporas de reposo o de (producto de meiosis)
invierno)
(TELEOMORFO)
-----------------------------------------------------------------------------------
-
III.
Herrera y Ulloa, 1998 “IV”
-MORFOLOGICO
MEIOSIS
-NUCLEAR DICARION
(n + n)
Herrera y Ulloa, 1998
IV. BASIDIO
SPORAS
TELIOSPORAS III. EN
CARIOGAMIA
TELIOSPORAS
DIKARION
-HETEROECIOUS
-MACROCICLICO O
A. MALEZA (Berberis vulgaris)
(agracejo)
I. Aecias I
V
II
III
Herrera y Ulloa, 1998
B.
CULTIVO I
Spermatia fertilize compat;ble
·nía graminis receptive hypha Fertilized
aEJo-- . receptive hypha
/
¡9'"
. ('J.!.!..:.J-l / Bas1diospores infect
barberry leaf directly Spermagonia on barberry leaf •
Dikaryotic mycelium berry ' . } stem and rrn....,.--.----;--
,--- ,...,
r!\ t Basidiospore \J \:1 \
®.
\
o· '
Tt:liddnd
uredia on
wheat stem
or leaf
Basidium
Clusters of aecia on under side
of barberry leaf Aeciospores;:/ • )
More uredia on wheat
Uredospore infects
wheat through stomata
Puccinia
graminis
tritici
--------------------------------------------------------------------------------
-
-Basidiospore (n)
8=---- +Basid iospore (n)
AUTO
DESCRIBIR
CICLO
Dispersal of
aeciospores to o o wheat i n spring
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COLEGIO DE POSTGRADUADOS-HF-FIT613
MANZANO: Gymnosporangium juniperi-virginianae
(hospedante - cultivo - primavera) AGRIOS, 2005
O. Espermagonios (centro)
I. Aecias (alrededor centro)
HETEROECIOS: DEMICICLICA
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xx
AECIA y aeciosporas
AGRIOS, 2005
I.
PERIDIO
FRUTO
(tejocote)
HF-FIT613
Juniperus sp. (hospedante – 2 – resto del año)
III. TELIA
AGALLA
AGRIOS, 2005
IV. BASIDIOSPORAS
AGRIOS, 2005
Telial horn protruding from cedar galls and producing teliospores
Basidiospores carried by the wind to young apple leaves and fruit
Basidiospore germinales on apple tissue and penetrates cells directly
Telial horns develop and expand on cedar gall the following spring
-- Aecia and spermogonia on apple fruit fruit
Top view of enlarged aecia on apple fruit leaf
Aeciospores Cross section of a young gall on cedar consisting of paranchyma cells
and intercellular mycelium with haustoria
carried by wind
to cedar trees
spermagonia on upper leaf surface
Spermagonia and aecia on apple leaf
Clusters of aecia on lower leaf \
Normal leaf Aeciospores land on--- and infect cedar leaf of axillary bud in
late summer or early fall
Spermagonia
(in the center) and aecia on infected apple fruit
Spermagonia
appears
the following summer
uniperi-virginianae
PINO (blanco)
Cronartium
ribicola
Spermogonia y
aecia
AGRIOS, 2005
Uredia and telial
collumns on lower side of Ribes leaf
Aeciospore (or uredospore) infecting lower slde of Ribes leaf
l!redium on lower side of Ribes leaf \
Uredospores (late spring,summer)
Basidiospores carried by wind to whiite pine needles a few hundred feet away (summer,fall)
tissue
Basidiospore
H l,
Cross section of branch aecia (A)
Aecia blisters 'ele( on stem and
branches of
white pine
Aecia produced annually on
branch in spring beginning 3-6
years after infection
Spermagonia produced anrnually on branch in
late spring or early
summer beginning 2-4 years after infection.
Early infection of white pine branch
showing puffy bark
nartium ribicola
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xx
Hemileia vastatrix
CAFÉ (no se conoce hospedante alterno)
AGRIOS, 2005
Germínating uredospore enters
lower sí de of leaf through stoma
lntercellular
mycelíum (M)
and haustoria (H)
Uredíum on
lower side of leaf
Uredium-telium with
uredospores and teliospores j
Cluster
of uredia
Clusters of uredia
COLEGIO DE POSTGRADUADOS-HF-FIT613
¡ SISTEMATICA, BIOLOGIA, FITOPATOLOGIA,
EPIDEMIOLOGIA, CUARENTENADOS, CONTROL !
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