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POTATO DISEASES

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Title: POTATO DISEASES


1
POTATO DISEASES
2
INJURIES AND DISORDERS
  • BLACKHEART

3
INJURIES AND DISORDERS
  • FROST

4
INJURIES AND DISORDERS
  • FROST

5
INJURIES AND DISORDERS
  • FROST

6
INJURIES AND DISORDERS
  • FROST

7
INJURIES AND DISORDERS
  • INTERNAL RUSTY SPOTS

8
INJURIES AND DISORDERS
  • INTERNAL RUSTY SPOTS

9
INJURIES AND DISORDERS
  • SECOND GROWTH AND JELLY-END ROT

10
INJURIES AND DISORDERS
  • JELLY-END ROT

11
INJURIES AND DISORDERS
  • TUBERS DAMAGED BY MANIPULATION (THUMBNAIL CRACKS)

12
VIRUS DISEASES
13
VIRUS DISEASES - SYMPTOMS
  • COMMON MOSAIC

14
VIRUS DISEASES - SYMPTOMS
  • AUCUBA MOSAIC

15
VIRUS DISEASES - SYMPTOMS
  • VEIN NECROSIS

16
VIRUS DISEASES - SYMPTOMS
  • VEIN NECROSIS

17
VIRUS DISEASES - SYMPTOMS
  • VEIN NECROSIS

18
VIRUS DISEASES - SYMPTOMS
  • NECROSIS OF TUBERS

19
VIRUS DISEASES - SYMPTOMS
  • NECROSIS OF TUBERS

20
VIRUS DISEASES - SYMPTOMS
  • NECROSIS OF TUBERS

21
VIRUS DISEASES - SYMPTOMS
  • LEAF CURL

22
VIRUS DISEASES - SYMPTOMS
  • LEAF CURL

23
VIRUS DISEASES - SYMPTOMS
  • LEAF ROLL

24
VIRUS DISEASES - SYMPTOMS
  • STUNTING
  • CHLOROSIS
  • ATROPHY

25
VIRUS DISEASES SYMPTOMS
  • LATENT INFECTION S VIRUS

26
VIRUS DISEASES SYMPTOMS
  • YIELD

27
VIRUS DISEASES SYMPTOMS
  • TOTALLY INFECTED STAND

28
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

29
IMPORTANCE OF VIRUS DISEASES (CZECH REPUBLIC)
  • TOTAL LOSSES -
  • S VIRUS
  • ACUTE LOSSES Y VIRUS

30
VIRUS TRANSMISSION
  • SEEDS
  • ALL VIRUSES (THE MOST IMPORTANT MODE)

31
VIRUS TRANSMISSION
  • APHIDS (MYZUS PERSICAE)
  • S, M, A, Y NONPERSISTENT
  • LEAF ROLL VIRUS PERSISTENT

32
VIRUS TRANSMISSION
  • MECHANICAL
  • ALL VIRUSES WITH THE EXCEPTION OF LEAF ROLL VIRUS

33
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

34
VIRUS CONTROL
  • FIGHT AGAINST VECTORS
  • GRANULATED INSECTICIDES
  • SEED TREATMENT
  • SPRAYING

35
BACTERIAL DISEASES
36
BACTERIAL DISEASES
  • SCAB
  • (STREPTOMYCES SCABIES)
  • SYMPTOMS

37
BACTERIAL DISEASES
  • SCAB
  • (STREPTOMYCES SCABIES)
  • SYMPTOMS
  • (RAISED, FLAT, PITTED)

38
BACTERIAL DISEASES
  • SCAB
  • SOURCE OF INFECTION SOIL

39
BACTERIAL DISEASES
  • SCAB
  • CONTROL
  • STRAW, STRAW MANURE
  • SOIL REACTION
  • IRRIGATION

40
BACTERIAL DISEASES
  • BLACKLEG
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS
  • (GOOD CONDITIONS)

41
BACTERIAL DISEASES
  • BLACKLEG
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS
  • (GOOD CONDITIONS)

42
BACTERIAL DISEASES
  • BLACKLEG
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS
  • (POOR CONDITIONS)

43
BACTERIAL DISEASES
  • BLACKLEG
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS
  • (POOR CONDITIONS)

44
BACTERIAL DISEASES
  • SOFT ROT
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS

45
BACTERIAL DISEASES
  • SOFT ROT
  • (ERWINIA CAROTOVORA)
  • SYMPTOMS

46
BACTERIAL DISEASES
  • BLACKLEG AND SOFT ROT
  • SOURCE OF INFECTION - SEEDS

47
BACTERIAL DISEASES
  • BLACKLEG AND SOFT ROT
  • INFECTION OF TUBERS
  • THROUGH STOLONES
  • THROUGH LENTICELS
  • THROUGH INJURIES

48
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

49
BACTERIAL DISEASES
50
BACTERIAL DISEASES
51
BACTERIAL DISEASES
52
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

53
BACTERIAL DISEASES
  • RING ROT
  • (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS)
  • SYMPTOMS

54
BACTERIAL DISEASES
  • RING ROT
  • (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS)
  • SYMPTOMS

55
BACTERIAL DISEASES
  • RING ROT
  • (CLAVIBACTER MICHIGANENSIS SSP. SEPEDONICUS)
  • SYMPTOMS

56
BACTERIAL DISEASES
  • RING ROT
  • (CLAVIBACTER MICHIGANENSIS)
  • CONTROL
  • QUARANTINE
  • CERTIFIED SEEDS

57
BACTERIAL DISEASES
  • BROWN ROT
  • (PSEUDOMONAS
  • (RALSTONIA) SOLANACEARUM)

58
BACTERIAL DISEASES
  • BROWN ROT
  • (PSEUDOMONAS
  • (RALSTONIA) SOLANACEARUM)

59
BACTERIAL DISEASES
  • BROWN ROT
  • (PSEUDOMONAS (RALSTONIA) SOLANACEARUM)
  • CONTROL
  • CLEAN SEEDS
  • CROP ROTATION

60
FUNGAL DISEASES
61
FUNGAL DISEASES
  • WART
  • (SYNCHYTRIUM ENDOBIOTICUM)
  • SYMPTOMS

62
FUNGAL DISEASES
  • WART
  • (SYNCHYTRIUM ENDOBIOTICUM)
  • CONTROL
  • QURANTINE
  • RESISTANT VARIETIES
  • UREA?

63
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SYMPTOMS

64
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SYMPTOMS

65
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SYMPTOMS

66
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SYMPTOMS

67
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SYMPTOMS

68
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • SOURCES OF INFECTION
  • SEEDS, VOLUNTEER PLANTS
  • (OOSPORES)

69
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • HAULM INFECTION
  • SYSTEMIC INFECTION
  • SPORANGIA FROM TUBERS IN SOIL

70
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

71
FUNGAL DISEASES
72
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

73
FUNGAL DISEASES
  • LATE BLIGHT
  • (PHYTOPHTHORA INFESTANS)
  • CHEMICAL CONTROL
  • CONTACT X SYSTEMIC FUNGICIDES
  • END OF VEGETATION
  • BLIGHT X DESSICATION

74
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

75
FUNGAL DISEASES
  • BLACK SCURF
  • (RHIZOCTONIA SOLANI)
  • SYMPTOMS

76
FUNGAL DISEASES
  • BLACK SCURF
  • (RHIZOCTONIA SOLANI)
  • SYMPTOMS

77
FUNGAL DISEASES
  • RHIZOCTONIA ROT
  • (RHIZOCTONIA SOLANI)
  • SYMPTOMS

78
FUNGAL DISEASES
  • RHIZOCTONIA CANKER
  • (RHIZOCTONIA SOLANI)
  • SYMPTOMS

79
FUNGAL DISEASES
  • (RHIZOCTONIA SOLANI)
  • SYMPTOMS

80
FUNGAL DISEASES
  • RHIZOCTONIA
  • CONTROL
  • HARVEST IN TIME
  • CROP ROTATION
  • NITROGEN
  • PLANTING INTO WARM SOIL WITH GOOD STRUCTURE
  • SEED TREATMENT

81
FUNGAL DISEASES
  • EARLY BLIGHT
  • (ALTERNARIA SOLANI)
  • SYMPTOMS

82
FUNGAL DISEASES
  • EARLY BLIGHT
  • (ALTERNARIA SOLANI)
  • CONTROL
  • (CHEMICAL CONTROL OF LATE BLIGHT)

83
FUNGAL DISEASES
  • COLLETOTRICHUM WILT
  • (COLLETOTRICHUM ATRAMENTARIUM)
  • SYMPTOMS

84
FUNGAL DISEASES
  • DRY ROTS (GANGRENE)
  • (FUSARIUM, PHOMA)
  • SYMPTOMS

85
FUNGAL DISEASES
  • DRY ROTS (GANGRENE)
  • (FUSARIUM, PHOMA)
  • SYMPTOMS

86
FUNGAL DISEASES
  • DRY ROTS (GANGRENE)
  • (FUSARIUM, PHOMA)
  • SOURCES OF INFECTION
  • SOIL
  • SEEDS

87
FUNGAL DISEASES
  • DRY ROTS (GANGRENE)
  • (FUSARIUM, PHOMA)
  • CONTROL
  • SEE BLACKLEG AND SOFT ROT
  • (SEED TREATMENT)
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