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Fusarium dry rot
Fusarium dry rot is one of the most common potato diseases. It is caused by fungi in the genus ''fusarium''. This fungi causes a variety of colored rots in potatoes. This pathogen, while having both a sexual and asexual form, stays in an asexual cycle due to the way it spreads. Preferring warmer climates, it is not uncommon to find this pathogen in the northern United States where it has been reported to affect yield as much as 60%.
== Hosts and symptoms ==
''Fusarium dry rot of potato'' is a devastating post-harvest losses (vegetables) disease affecting both seed potatoes and potatoes for human consumption.〔Rowe, R.C., Miller, S.A, & Riedel R.M. Fusarium Dry Rot and Seed Piece Decay of Potato. Retrieved from http://ohioline.osu.edu/hyg-fact/3000/3107.html〕 Dry rot causes the skin of the tuber to wrinkle. The rotted areas of the potato may be brown, grey, or black and the rot creates depressions in the surface of the tuber. Seed pieces may rot completely before they have the chance to be planted.
The genus that causes dry rot of potato, ''Fusarium'', is a fungus. Signs of a pathogenic ''Fusarium'' species can be seen on an infected potato, and include white or pink mycelia (masses of vegetative fungal tissue) and very colorful spores that can be blue, black, purple, grey, white, yellow, or pink.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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