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.
The usual or standard state or manner of something. This word has a somewhat more technical meaning in mathematics. Two formulas such as 9 + x and x + 9 are said to be equivalent because they mean the same thing, but the second one is in canonical form because it is written in the usual way, with the highest power of x first.