7Shew H D, Lucas G B. Compendium of Tobacco Disease [M ]. American Phytopathological Society (APS), 1990: 10-12.
8Stavely J R, Main C E. influence of temperature and other factors on initiation of tobacco brown spot [ J ]. Phytopathology, 1970,60 : 1591-1596.
9Lucas G B. Diseases of tobacco[ M ]. Fuquay Varina:Harold E. Parker& Sons Printer,1975:267-296.
10Lamondia J A. Outbreak of brown spot of tobacco caused by Alternaria alternata in Connecticut and Massachusetts [ J]. Plant Disease, 2001,85(2) :230.