Fruit Problems Reported in Mississippi 2013

Each year the MSU Plant Diagnostic Clinic compiles a list of diseases/insects/disorders they see during the year.  Below are those that were seen in 2013.  You can access the entire list here:

http://msucares.com/lab/2013list.pdf

The general format of the list shows the common name for the disease, followed by the scientific name of the pathogen, followed by a number in parentheses that indicates the number of times this problem was diagnosed in the lab.

Apple (Malus x domestica)
• Abiotic (1)
• Abiotic (Captan Injury Suspected) (1)

Blackberry (Rubus sp.)
• Canker (Coniothyrium sp.) (1) on ‘Arapaho’
• Yellow Vein Virus Disease Complex (1)

Blueberry (Vaccinium sp.)
• Abiotic (Pot Bound) (1)
• Abiotic (Iron Deficiency) (1) • Abiotic (Potassium Deficiency Suspected) (1)
• Anthracnose (Gloeosporium sp.) (1)
• Leaf Rust (Naohidemyces vaccinii formerly Pucciniastrum vaccinii) (1)
• Powdery Mildew (1)
• Insects (2)
• Sooty Mold (1)

Citrus (Citrus sp.)
• Insect Injury Suspected (1)
• Magnesium Deficiency Suspected (1)

Fig, Common (Ficus carica)
• Aerial Blight (Rhizoctonia solani) (2)
• Anthracnose (Colletotrichum gloeosporioides) (2)
• Fig Mosaic Virus (1)
• Pink Limb Rot (Corticum salmonicolor) (1)
• Root-knot Nematode (Meloidogyne sp.) (1)

Hickory (Carya sp.)
• Gnomonia Leaf Spot (Gnomonia caryae) (1)
• Sooty Mold (1)

Jujube (Ziziphus jujube)
• Leaf Spot (Cercospora sp.) (3)

Lemon (Citrus limon)
• Inadequate Sample (1)
• Insects (Scale) (1)

Mayhaw (Crataegus aestivalis)
• Quince Rust (Gymnosporangium clavipes) (1)

Muscadine (Vitis rotundifolia)
• Abiotic (Magnesium Deficiency Suspected) (1)
• Jelly Fungus Suspected (Tremallales sp. ) (1)

Nectarine (Prunus persica)
• Abiotic (Excessive Water) (1)

Peach (Prunus persica)
• Abiotic (Excessive Soil Moisture) (1)
• Bacterial Shot Hole (Xanthomonas arboricola pv. pruni) (4)
• Brown Rot (Monilinia fructicola) (1)
• Canker (Botryosphaeria sp.) (1)
• Root Rot (Armillaria sp.) (1)

Pear (Pyrus sp.)
• Leaf Spot (Cercospora sp.) (1)
• Fabrae Leaf Spot (Entomosporium sp.) (1)
• Quince Rust (Gymnosporangium clavipes) (1)

Pear (Pyrus communis)
• Abiotic (Magnesium deficiency suspected) (1)

Pecan (Carya illinoinensis)
• Abiotic (Kernel Fuzz) (1)
• Conk (Fomes fomentarius) (1)
• Insect (Pecan phylloxera) (1)
• Pecan Scab (Fusicladium effusum) (2)

Persimmon (Diospyros kaki)
• Abiotic (unknown) (1)

Satsuma (Citrus reticulata)
• Abiotic (Fruit Puffing)
• Abiotic (Magnesium deficiency suspected) (1)
• Insect Injury Suspected (possibly leaf footed bug) (1)
• Melanose suspected (Diaporthe citri) (1)

Strawberry (Fragaria x ananassa)
• Abiotic (Glyphosate Injury) (1)
• Angular Leaf Spot (Xanthomonas fragariae) (1)
• Crown Rot (Phytophthora sp.) (1)

 

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