Fungus can enter through wounds to stalk or ear; ear rot is caused by the fungus infecting silks and moving down through the ear; fungus survives on corn debris in soil and on debris of other host plants such as wheat.
Standard form algebra is used to write down the complex equations in a simple form i.e. to write a large equation very easily. For example standard form of a linear equations is ax + by + c= 0, standard form of quadratic equation is ax2 + bx + c = 0. Standard form algebra is used to find out the factors. So the factors are (3x - 1) and (x + 4). arrange them in an order now.
In the first sense, many more informal terms are frequently used instead, such as standard example or basic example, and the longer form archetypal example is also found. In mathematics, an archetype is often called a  canonical example.