disease

I have 6 plants, three varieties, only two monthes old. for the past few weeks i noticed small patches and dots in the leafs first becoming a translucent white and then brown. There are almost no fly gnats and only occasional whiteflies , day and night there seems to be no insect on or under my...

Cold damage to tobacco. IPM IMAGES: Tobacco pests, diseases and deficiencies. The site currently hosts about 140 tobacco related images. Bob