scab
81sheep scab — psoroptic mange in sheep, the most common type of mange in that species, caused by the mite Psoroptes ovis, which infests the skin at the base of the hairs. A scab forms, which later detaches along with the wool; open sores may lead to infection …
82apple scab — noun : a widespread destructive disease caused by a fungus (Venturia inaequalis) producing dark or sooty blotches on the leaves and blackish scurfy or scablike lesions on the fruit and sometimes on the young twigs * * * apple scab, a fungous… …
83cherry scab — noun : peach scab …
84corky scab — noun : potato scab …
85lemon scab — noun : citrus scab of the lemon …
86orange scab — noun : citrus scab of the orange …
87pear scab — noun : a disease of the pear caused by a fungus (Venturia pyrina) that is similar to apple scab but produces lesions more frequently on the twigs …
88plum scab — noun : peach scab …
89pock scab — noun Etymology: pock (I) : powdery scab …
90powdery scab — noun : a disease of potato tubers caused by a fungus (Spongospora subterranea) and characterized by nodular discolored lesions which at maturity burst to expose a powdery mass of spores in circular pits surrounded by the lighter colored frayed… …