21. Necrotic bone does not undergo resorption; therefore, it appears relatively more opaque.22. Common symptoms are dark, necrotic , sunken spots and brown, superficial lesions. 23. It has also been found on hops causing a necrotic blight on the cones. 24. Pepper plants often have severe foliar damage, shown as mosaic and necrotic rings. 25. PVU characteristically causes leaf malformation and necrotic spotting. 26. On inoculated leaves 5 7 days after inoculation chlorotic and necrotic ringspots develop. 27. Necrotic tissue may need to be debrided, which can be a painful process.28. The duct will have characteristic necrotic tissue with calcification that feels cord-like. 29. Soon after this, the flowers become necrotic . 30. Necrotic lesions are caused by invasion of blood vessels leading to thrombosis and infarcation.
