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On the apple tree, the infections occur on leaves, fruit and young twigs. [4] The brightly colored spots produced on the leaves make it easy to identify. Small, yellow-orange spots appear on the upper surfaces of the leaves, anytime from April to June. [5] These spots gradually enlarge and turn orange or red and may show concentric rings of color.
Apple scar skin = apple dapple, apple sabi-ka, apple bumpy fruit Apple scar skin viroid (ASSVd) Suspected viral- and viroid-like diseases.
Haralson with its typical peel coloration from sooty blotch and flyspeck. Sooty blotch and flyspeck is a descriptive term for a condition of darkly pigmented blemishes and smudges caused by a number of different fungi affecting fruit including apples, pear, persimmon, banana, papaya, and several other cultivated tree and vine crops.
In China, farmers affix specially shaped stickers to young apples and take them off once the fruit has grown. What remains is a message or lucky symbol. What remains is a message or lucky symbol.
Hard spot lesions on an orange host. Hard spots are the most common lesions. They are small, round, and sunken. The average diameter of hard spot lesions ranges from 3–10 mm (.12-.4 in). [13] [14] They have dark red to chocolate brown margins and often have pycnidia in the gray-colored centers. [15] A green halo may be present around the ...
Apple scab is a common disease of plants in the rose family that is caused by the ascomycete fungus Venturia inaequalis. [1] While this disease affects several plant genera, including Sorbus, Cotoneaster, and Pyrus, it is most commonly associated with the infection of Malus trees, including species of flowering crabapple, as well as cultivated apple.
The skin of the fruit is a delicately waxy yellow-green with crimson spots and reddish lines, but the apple may also occur in a classically red variation. These red apples, known as Red Gravensteins, are sports, which are genetically similar to Gravenstein, so they are not good pollinators for it, and nor is it for them. The flesh is juicy ...
"Red is also associated with cranberries," explains Eiseman. "And even though (they) aren't universally loved, still, when we see pictures of a Thanksgiving feast and we see that beautiful red of ...