What is blight exactly?
Blight is basically a fungal infection. Theories abound on what actually causes the plant disease. Some say that soil which is nutrient-deficient creates a breeding ground for blight. Others say that a lack of lime is the problem. Finally, many successful gardeners insist that the fungus is bred by heavy rain fall, mixed with humidity and certain soil conditions. Regardless of the exact cause, blight can be detrimental to your crop. How is blight identified? Blight can be difficult to spot at first, which in turn may allow the disease to spread and possibly cause significant damage before it is treated. Conscientious gardeners notice blight in its early stages: when small black or brown circles begin to form on the lower leaves of the plant. The spot usually consists of a dark outer ring with a lighter center. As blight spreads, the number of spots multiply and the leaves begin to turn yellow. The fungus moves up the plant, damaging the leaves in its path. What harm does blight cause?
