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Cankers are found on the stem and will have a sunken border. Cankers can be long, up to 6 inches, but do not appear until flowering. [3] Other early symptoms can include necrosis and bronzing of intervenial areas of leaves at or above the stem lesion. Wilting and death of leaves above the canker also occurs. [4]
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Fusicoccum canker is a disease of the blueberry that is mostly limited to Michigan blueberry producers. It was first discovered in the 1960s and has been an annual problem of the lower portion of the peninsula. [51] [52] When left uncontrolled the disease has been shown to reduce yields by 30%. [15] Fusicoccum canker is primarily controlled ...
Small water-soaked lesions, maturing into sunken and brown spots with or without a yellow halo. May show concentric rings with purple margins. Necrotic tissue may fall out to appear shot-holed. Leaf spot on many plants and crops. Septoria: Small brown spots, that turns light tan to white in the centre. Leaf spot on many crops Bipolaris
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A barge operator believes it has found a sunken barge in the Ohio River near Pittsburgh, one of 26 that broke loose and floated away during weekend flooding, company officials said Tuesday. Crews ...
It can also be found on apple (Malus domestica). Stone fruits are referred to as drupe, which are fruits containing a seed encased by a hard endocarp, surrounded by a fleshy outer portion. Leucostoma canker symptoms differ depending on where on the tree infection takes place. [5] Discoloration occurs in sunken patches on infected twigs.
The plant pathogenic fungus Leucostoma kunzei (formerly Valsa kunzei) is the causal agent of Leucostoma canker (also known as Cytospora canker or spruce canker), a disease of spruce trees found in the Northern Hemisphere, predominantly on Norway spruce (Picea abies) and Colorado blue spruce (Picea pungens).