POTATO DISEASES. INJURIES AND DISORDERS BLACKHEART.

POTATO DISEASES

INJURIES AND DISORDERS

BLACKHEART


FROST


FROST


FROST


FROST


INTERNAL RUSTY SPOTS


INTERNAL RUSTY SPOTS


SECOND GROWTH AND JELLY-END ROT


JELLY-END ROT


TUBERS DAMAGED BY MANIPULATION (THUMBNAIL CRACKS)

VIRUS DISEASES

VIRUS DISEASES - SYMPTOMS

COMMON MOSAIC


AUCUBA MOSAIC


VEIN NECROSIS


VEIN NECROSIS


VEIN NECROSIS


NECROSIS OF TUBERS


NECROSIS OF TUBERS


NECROSIS OF TUBERS


LEAF CURL


LEAF CURL


LEAF ROLL


STUNTING

CHLOROSIS

ATROPHY

VIRUS DISEASES – SYMPTOMS

LATENT INFECTION – S VIRUS


YIELD


TOTALLY INFECTED STAND

CLASSIFICATION OF POTATO VIRUS DISEASES

LIGHT INFECTIONS (LOSSES 0 – 20 %) CAUSED BY

VIRUSES: X, M, S

HEAVY INFECTIONS (LOSSES UP TO 60 AND

MORE %) CAUSED BY

VIRUSES: A ,Y, LEAF ROLL, MIXED INFECTIONS

IMPORTANCE OF VIRUS DISEASES (CZECH REPUBLIC)

TOTAL LOSSES -

S VIRUS

ACUTE LOSSES – Y VIRUS

VIRUS TRANSMISSION

SEEDS

ALL VIRUSES (THE MOST IMPORTANT MODE)

VIRUS TRANSMISSION

APHIDS (MYZUS PERSICAE)

S, M, A, Y – NONPERSISTENT

LEAF ROLL VIRUS – PERSISTENT

VIRUS TRANSMISSION

MECHANICAL

ALL VIRUSES WITH THE EXCEPTION OF LEAF ROLL VIRUS

VIRUS CONTROL

CULTURAL PRACTICES (ALL TO BE DONE BY SEED POTATO GROWER!)

LOCALITY (HIGHER ELEVATIONS, VICINITY OF SEA (APHIDS DONT LIKE WIND))

ISOLATION FROM OTHER POTATO FIELDS (CCA 500 M NONPERS., 1KM PERS.)

SEED TUBERS – QUALITY, SPROUTING

PREPARATION OF THE FIELD

PLANTING IN TIME AS SOON AS POSSIBLE

NEGATIVE CHOICE (PLANTS WITH SYMPTOMS)

PRECOTIAL HAULM DESTROYING

VIRUS CONTROL

FIGHT AGAINST VECTORS

GRANULATED INSECTICIDES

SEED TREATMENT

SPRAYING

BACTERIAL DISEASES

BACTERIAL DISEASES

SCAB

(STREPTOMYCES SCABIES)

SYMPTOMS

BACTERIAL DISEASES

SCAB

(STREPTOMYCES SCABIES)

SYMPTOMS(RAISED, FLAT, PITTED)

BACTERIAL DISEASES

SCAB

SOURCE OF INFECTION: SOIL

BACTERIAL DISEASES

SCABCONTROL:

STRAW, STRAW MANURESOIL REACTIONIRRIGATION

BACTERIAL DISEASES

BLACKLEG

(ERWINIA CAROTOVORA)

SYMPTOMS (GOOD

CONDITIONS)

BACTERIAL DISEASES

BLACKLEG


SYMPTOMS (GOOD

CONDITIONS)

BACTERIAL DISEASES

BLACKLEG


SYMPTOMS (POOR

CONDITIONS)

BACTERIAL DISEASES

BLACKLEG


SYMPTOMS (POOR

CONDITIONS)

BACTERIAL DISEASES

SOFT ROT


SYMPTOMS

BACTERIAL DISEASES

SOFT ROT


SYMPTOMS

BACTERIAL DISEASES

BLACKLEG AND SOFT ROT

SOURCE OF INFECTION - SEEDS

BACTERIAL DISEASES

BLACKLEG AND SOFT ROT

INFECTION OF TUBERS

THROUGH STOLONES

THROUGH LENTICELS

THROUGH INJURIES

BACTERIAL DISEASES

BLACKLEG AND SOFT ROTCONTROL

VARIETIES SUITABLE FOR MECHANIZED HARVESTHARVEST AT CORRECT POINT OF MATURITYHAULM DESSICATIONPROPER HARVESTING MACHINERYSTONELESS SOIL

BACTERIAL DISEASES

BACTERIAL DISEASES

BACTERIAL DISEASES

BACTERIAL DISEASES

BLACKLEG AND SOFT ROTCONTROL

HARVEST LATER DURING THE DAYSORTING AFTER STORAGECORRECT REGIME AND TEMPERATURE OF STORAGEPLANTING INTO WARM SOIL WITH GOOD STRUCTURE

BACTERIAL DISEASES

RING ROT

(CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS)

SYMPTOMS

BACTERIAL DISEASES

RING ROT


SYMPTOMS

BACTERIAL DISEASES

RING ROT


SYMPTOMS

BACTERIAL DISEASES

RING ROT

(CLAVIBACTER MICHIGANENSIS)

CONTROL

QUARANTINE

CERTIFIED SEEDS

BACTERIAL DISEASES

BROWN ROT

(PSEUDOMONAS

(RALSTONIA) SOLANACEARUM)

BACTERIAL DISEASES

BROWN ROT

(PSEUDOMONAS

(RALSTONIA) SOLANACEARUM)

BACTERIAL DISEASES

BROWN ROT

(PSEUDOMONAS (RALSTONIA) SOLANACEARUM)

CONTROL

CLEAN SEEDS

CROP ROTATION

FUNGAL DISEASES

FUNGAL DISEASES

WART

(SYNCHYTRIUM ENDOBIOTICUM)

SYMPTOMS

FUNGAL DISEASES

WART

(SYNCHYTRIUM ENDOBIOTICUM)

CONTROL

QURANTINE

RESISTANT VARIETIES

UREA?

FUNGAL DISEASES

LATE BLIGHT

(PHYTOPHTHORA INFESTANS)

SYMPTOMS

FUNGAL DISEASES

LATE BLIGHT


SYMPTOMS

FUNGAL DISEASES

LATE BLIGHT


SYMPTOMS

FUNGAL DISEASES

LATE BLIGHT


SYMPTOMS

FUNGAL DISEASES

LATE BLIGHT


SYMPTOMS

FUNGAL DISEASES

LATE BLIGHT


SOURCES OF INFECTION

SEEDS, VOLUNTEER PLANTS

(OOSPORES)

FUNGAL DISEASES

LATE BLIGHT


HAULM INFECTION

SYSTEMIC INFECTION

SPORANGIA FROM TUBERS IN SOIL

FUNGAL DISEASES

LATE BLIGHT


INFECTION OF TUBERS

SPORANGIA WASHED FROM LEAVES BY RAIN (IRRIGATION)DIRECT CONTACT OF TUBERS WITH INFECTED HAULM DURING HARVEST

FUNGAL DISEASES

FUNGAL DISEASES

LATE BLIGHT


CONTROLLOCALITYVARIETY (HAULM x TUBERS)SPROUTING OF SEEDS, EARLY PLANTING)REMOVING OF STONESBALANCED FERTILIZATIONORGANIZATION AND WEEDLESSNESS OF THE STANDDESTROYING OF NON HARVESTED TUBERSCHEMICAL CONTROL

FUNGAL DISEASES

LATE BLIGHT


CHEMICAL CONTROLCONTACT X SYSTEMIC FUNGICIDES

END OF VEGETATION

BLIGHT X DESSICATION

FUNGAL DISEASES

LATE BLIGHT


SOLUTION OF CRITICAL SITUATIONS

DESTROYING OF HAULM (CCA 20 % OF INFECTION)

(MASSIVE) INFECTION OF TUBERS – LET TO ROT THEM IN SOIL, THEN DECIDE: HARVEST OR NOT

FUNGAL DISEASES

BLACK SCURF

(RHIZOCTONIA SOLANI)

SYMPTOMS

FUNGAL DISEASES

BLACK SCURF


SYMPTOMS

FUNGAL DISEASES

RHIZOCTONIA ROT


SYMPTOMS

FUNGAL DISEASES

RHIZOCTONIA CANKER


SYMPTOMS

FUNGAL DISEASES


SYMPTOMS

FUNGAL DISEASES

RHIZOCTONIA

CONTROL

HARVEST IN TIMECROP ROTATIONNITROGENPLANTING INTO WARM SOIL WITH GOOD STRUCTURESEED TREATMENT

FUNGAL DISEASES

EARLY BLIGHT

(ALTERNARIA SOLANI)

SYMPTOMS

FUNGAL DISEASES

EARLY BLIGHT

(ALTERNARIA SOLANI)

CONTROL

(CHEMICAL CONTROL OF LATE BLIGHT)

FUNGAL DISEASES

COLLETOTRICHUM WILT

(COLLETOTRICHUM ATRAMENTARIUM)

SYMPTOMS

FUNGAL DISEASES

DRY ROTS (GANGRENE)

(FUSARIUM, PHOMA)

SYMPTOMS

FUNGAL DISEASES

DRY ROTS (GANGRENE)

(FUSARIUM, PHOMA)

SYMPTOMS

FUNGAL DISEASES

DRY ROTS (GANGRENE)

(FUSARIUM, PHOMA)

SOURCES OF INFECTION:

SOIL

SEEDS

FUNGAL DISEASES

DRY ROTS (GANGRENE)

(FUSARIUM, PHOMA)

CONTROL

SEE BLACKLEG AND SOFT ROT

(SEED TREATMENT)

POTATO DISEASES. INJURIES AND DISORDERS BLACKHEART.

Documents

soil slide

pitted slide

disorders frost slide

disorders blackheart

potato diseases

important mode slide

infected stand slide

disorders jellyend rot