This rootstock is moderately susceptible to blight and collar rot. The proximate cause of famine was a potato disease commonly known as potato blight. This situation changed in 1971 with an outbreak of the fungus southern corn leaf blight. The damage of this insect rivals that of chestnut blight and Dutch elm disease. Khorasan wheat has been found very susceptible to "Fusarium" head blight. Bilberry plants can suffer from bilberry blight, caused by "Phytophthora kernoviae". This disease came to be known as chestnut blight. Infectious diseases continue to blight the lives of the poor across the world. Chestnut Blight, Other Endothia Diseases, and the Genus Endothia. Cumin is especially sensitive to "Alternaria" blight and "Fusarium" wilt. Barley is also susceptible to head blight. Poverty, crime, shootings, drugs and urban blight in Detroit are ongoing problems. The level of blight resistance is judged by periodic measurement of cankers. It is a mature American chestnut that has recovered from severe infections of chestnut blight. The plant can suffer from fire blight.