POTATO DISEASES.

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Presentation transcript:

POTATO DISEASES

INJURIES AND DISORDERS BLACKHEART

INJURIES AND DISORDERS FROST

INJURIES AND DISORDERS FROST

INJURIES AND DISORDERS FROST

INJURIES AND DISORDERS FROST

INJURIES AND DISORDERS INTERNAL RUSTY SPOTS

INJURIES AND DISORDERS INTERNAL RUSTY SPOTS

INJURIES AND DISORDERS SECOND GROWTH AND JELLY-END ROT

INJURIES AND DISORDERS JELLY-END ROT

INJURIES AND DISORDERS TUBERS DAMAGED BY MANIPULATION (THUMBNAIL CRACKS)

VIRUS DISEASES

VIRUS DISEASES - SYMPTOMS COMMON MOSAIC

VIRUS DISEASES - SYMPTOMS AUCUBA MOSAIC

VIRUS DISEASES - SYMPTOMS VEIN NECROSIS

VIRUS DISEASES - SYMPTOMS VEIN NECROSIS

VIRUS DISEASES - SYMPTOMS VEIN NECROSIS

VIRUS DISEASES - SYMPTOMS NECROSIS OF TUBERS

VIRUS DISEASES - SYMPTOMS NECROSIS OF TUBERS

VIRUS DISEASES - SYMPTOMS NECROSIS OF TUBERS

VIRUS DISEASES - SYMPTOMS LEAF CURL

VIRUS DISEASES - SYMPTOMS LEAF CURL

VIRUS DISEASES - SYMPTOMS LEAF ROLL

VIRUS DISEASES - SYMPTOMS STUNTING CHLOROSIS ATROPHY

VIRUS DISEASES – SYMPTOMS LATENT INFECTION – S VIRUS

VIRUS DISEASES – SYMPTOMS YIELD

VIRUS DISEASES – SYMPTOMS 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)

APHIDS (MYZUS PERSICAE) 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

CULTURAL PRACTICES (ALL TO BE DONE BY SEED POTATO GROWER!) 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 SCAB CONTROL: STRAW, STRAW MANURE SOIL REACTION IRRIGATION

BACTERIAL DISEASES BLACKLEG (ERWINIA CAROTOVORA) SYMPTOMS (GOOD CONDITIONS)

BACTERIAL DISEASES BLACKLEG (ERWINIA CAROTOVORA) SYMPTOMS (GOOD CONDITIONS)

BACTERIAL DISEASES BLACKLEG (ERWINIA CAROTOVORA) SYMPTOMS (POOR CONDITIONS)

BACTERIAL DISEASES BLACKLEG (ERWINIA CAROTOVORA) SYMPTOMS (POOR CONDITIONS)

BACTERIAL DISEASES SOFT ROT (ERWINIA CAROTOVORA) SYMPTOMS

BACTERIAL DISEASES SOFT ROT (ERWINIA CAROTOVORA) SYMPTOMS

BACTERIAL DISEASES BLACKLEG AND SOFT ROT SOURCE OF INFECTION - SEEDS

BACTERIAL DISEASES INFECTION OF TUBERS THROUGH STOLONES BLACKLEG AND SOFT ROT INFECTION OF TUBERS THROUGH STOLONES THROUGH LENTICELS THROUGH INJURIES

BACTERIAL DISEASES BLACKLEG AND SOFT ROT CONTROL VARIETIES SUITABLE FOR MECHANIZED HARVEST HARVEST AT CORRECT POINT OF MATURITY HAULM DESSICATION PROPER HARVESTING MACHINERY STONELESS SOIL

BACTERIAL DISEASES

BACTERIAL DISEASES

BACTERIAL DISEASES

BACTERIAL DISEASES BLACKLEG AND SOFT ROT CONTROL HARVEST LATER DURING THE DAY SORTING AFTER STORAGE CORRECT REGIME AND TEMPERATURE OF STORAGE PLANTING INTO WARM SOIL WITH GOOD STRUCTURE

BACTERIAL DISEASES RING ROT (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS) SYMPTOMS

BACTERIAL DISEASES RING ROT (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS) SYMPTOMS

BACTERIAL DISEASES RING ROT (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS) SYMPTOMS

(CLAVIBACTER MICHIGANENSIS) BACTERIAL DISEASES RING ROT (CLAVIBACTER MICHIGANENSIS) CONTROL QUARANTINE CERTIFIED SEEDS

BACTERIAL DISEASES BROWN ROT (PSEUDOMONAS (RALSTONIA) SOLANACEARUM)

BACTERIAL DISEASES BROWN ROT (PSEUDOMONAS (RALSTONIA) SOLANACEARUM)

(PSEUDOMONAS (RALSTONIA) SOLANACEARUM) BACTERIAL DISEASES BROWN ROT (PSEUDOMONAS (RALSTONIA) SOLANACEARUM) CONTROL CLEAN SEEDS CROP ROTATION

FUNGAL DISEASES

FUNGAL DISEASES WART (SYNCHYTRIUM ENDOBIOTICUM) SYMPTOMS

(SYNCHYTRIUM ENDOBIOTICUM) FUNGAL DISEASES WART (SYNCHYTRIUM ENDOBIOTICUM) CONTROL QURANTINE RESISTANT VARIETIES UREA?

FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SYMPTOMS

FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SYMPTOMS

FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SYMPTOMS

FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SYMPTOMS

FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SYMPTOMS

(PHYTOPHTHORA INFESTANS) FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) SOURCES OF INFECTION SEEDS, VOLUNTEER PLANTS (OOSPORES)

(PHYTOPHTHORA INFESTANS) FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) HAULM INFECTION SYSTEMIC INFECTION SPORANGIA FROM TUBERS IN SOIL

(PHYTOPHTHORA INFESTANS) FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) INFECTION OF TUBERS SPORANGIA WASHED FROM LEAVES BY RAIN (IRRIGATION) DIRECT CONTACT OF TUBERS WITH INFECTED HAULM DURING HARVEST

FUNGAL DISEASES

(PHYTOPHTHORA INFESTANS) FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) CONTROL LOCALITY VARIETY (HAULM x TUBERS) SPROUTING OF SEEDS, EARLY PLANTING) REMOVING OF STONES BALANCED FERTILIZATION ORGANIZATION AND WEEDLESSNESS OF THE STAND DESTROYING OF NON HARVESTED TUBERS CHEMICAL CONTROL

(PHYTOPHTHORA INFESTANS) FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) CHEMICAL CONTROL CONTACT X SYSTEMIC FUNGICIDES END OF VEGETATION BLIGHT X DESSICATION

(PHYTOPHTHORA INFESTANS) SOLUTION OF CRITICAL SITUATIONS FUNGAL DISEASES LATE BLIGHT (PHYTOPHTHORA INFESTANS) 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 (RHIZOCTONIA SOLANI) SYMPTOMS

FUNGAL DISEASES RHIZOCTONIA ROT (RHIZOCTONIA SOLANI) SYMPTOMS

FUNGAL DISEASES RHIZOCTONIA CANKER (RHIZOCTONIA SOLANI) SYMPTOMS

FUNGAL DISEASES (RHIZOCTONIA SOLANI) SYMPTOMS

FUNGAL DISEASES CONTROL RHIZOCTONIA HARVEST IN TIME CROP ROTATION NITROGEN PLANTING INTO WARM SOIL WITH GOOD STRUCTURE SEED TREATMENT

FUNGAL DISEASES EARLY BLIGHT (ALTERNARIA SOLANI) SYMPTOMS

FUNGAL DISEASES CONTROL (CHEMICAL CONTROL OF LATE BLIGHT) EARLY BLIGHT (ALTERNARIA SOLANI) CONTROL (CHEMICAL CONTROL OF LATE BLIGHT)

FUNGAL DISEASES SYMPTOMS 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) SOURCES OF INFECTION: SOIL SEEDS (FUSARIUM, PHOMA) SOURCES OF INFECTION: SOIL SEEDS

FUNGAL DISEASES CONTROL SEE BLACKLEG AND SOFT ROT (SEED TREATMENT) DRY ROTS (GANGRENE) (FUSARIUM, PHOMA) CONTROL SEE BLACKLEG AND SOFT ROT (SEED TREATMENT)