Reported Disease and Insect Damage of MS Fruit Crops in 2011

The diagnostic lab at MSU keeps track of the disease and insect samples that come into their lab each year.  In 2011, there were several reported problems on different fruit crops.  See them below:

Apple(Malus x domestica)
Bitter rot (Colletotrichum gloeosporioides) – ( 1 )
Cedar-apple rust (Gymnosporangium juniperi-virginianae) – ( 1 )
Fire blight (Erwinia amylovora) – ( 2 )

Blueberry(Vaccinium sp.)
Bacterial leaf scorch (Xylella fastidiosa) – ( 3 )
Dieback (Fusicoccum sp.) – ( 1 )

Chestnut, Chinese (Castanea mollissima)
Bacterial leaf scorch (Xylella fastidiosa) – ( 1 )

Citrus(Citrus sp.)
Insect Injury (Citrus rust mite) – ( 1 )

Fig, Common(Ficus carica)
Lasiodiplodia canker (Lasiodiplodia theobromae)

Grape(Vitis sp.)
Anthracnose (Sphaceloma ampelinum) – ( 1 )

Loquat(Eriobotrya japonica)
Bacterial leaf scorch (Xylella fastidiosa) – ( 1 )
Secondary leaf spot (Phoma sp.) – ( 1 )

Peach(Prunus persica)
Scab (Cladosporium carpophilum) – ( 2 )
Insect – Plum curculio suspected- ( 1 )

Pear(Pyrus communis)
Blossom blast (Pseudomonas syringae syringae) – ( 1 )
Cork spot (Physiological problem) – ( 1 )
Quince rust (Gymnosporangium clavipes) – ( 3 )

Pear, Japanese (Pyrus pyrifolia)
Insect (Scale insect) – ( 1 )
(Plum curculio) – ( 1 )
Quince rust (Gymnosporangium clavipes) – ( 1 )

Pecan(Carya illinoinensis)
Brown Leaf Spot (Sirosporium diffusum) – ( 1 )
Pecan Scab (Fusicladium effusum) – ( 4 )

Plum(Prunus sp.)
Black Knot (Apiosporina morbosa) – ( 1 )
Window-feeding injury (Insect) – ( 1 )

Pomegranate (Punica granatum)
Bacterial leaf scorch (Xylella fastidiosa) – ( 1 )

If you want to see the entire list, go here: http://msucares.com/lab/2011list.pdf

 

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