5 b 2-3-presentacion-cap-iii

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¡¡¡¡¡


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


III

(pared gruesa,

bicelulares y

pediceladas)

II.


ANAMORFO

(uredosporas)

(unicelular,

verrucosas)

III.

TELEOMORFO

(teliosporas) unicelular

(bicelular)


II.

UREDOSPORA apresorio

(esporas de

verano)

-ANAMORFO-

I N F E C C I O N



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)


IV. BASIDIO

SPORAS

TELIOSPORAS III. EN

CARIOGAMIA

TELIOSPORAS

DIKARION

-HETEROECIOUS

-MACROCICLICO O

A. MALEZA (Berberis vulgaris)

(agracejo)

I. Aecias I

V

II

III


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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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


¡ SISTEMATICA, BIOLOGIA, FITOPATOLOGIA,

EPIDEMIOLOGIA, CUARENTENADOS, CONTROL !

5 b 2-3-presentacion-cap-iii

Technology

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