أنواع الذُّرة - ٢ - كتاب في سبيل موسوعة علمية .. الدكتور أحمد ذكي

Types of corn - 2 -

- Flint Maize

It is called so because of the lack of soft starch present in the bean, surrounded by a rigid endosperm that surrounds the bean. Therefore, the notch that was in the tooth corn disappears.

The stalk of this corn is 5 to 9 feet long, and it usually bears two cobs. The cob is long and round, and its grains are firm and smooth, with vertical rows of between 8 and 16 rows. This corn matures quickly.

- Soft or Flour Maize

In its seed, the solid endosperm disappears completely. This variety is the one that was widely cultivated by the Native Americans because it is easy to hammer. It matures late. It is not grown in the United States in commercial quantities.

- Sweet Maize

Its grain has a translucent or horny endosperm, and its starch has been converted, more or less, into sugar. The grain has the shape of a bead, and its surface is wrinkled with a special wrinkle by which it is known.

This plant is suitable for areas that are colder, and it is the type that is grown for canning.

- Starch or pop corn

Its grains are usually elongated and oval in shape, and they are small, solid, flinty, with a hard shell. Most of its endosperms are of the solid, shiny type.

These grains dry if exposed to intense heat
It exploded and turned into a light, soft, fluffy mass with a delicious taste, which is the well-known popcorn. The presence of a lot of white endosperm in the bean prevents this popping.

- Corn in the United States;

They extracted from these five breeds and others
Many derivatives.

We mentioned what we mentioned depending on what is happening in the world's first corn farm, and its first market, those states
The United States produces more than half of the world's corn production.

In the United States, corn is the most widespread crop, and it is grown in about 75 percent of the country's fields.

What distinguishes the states is their use of hybridization, which has greatly increased yields in recent years.
By using hybridization, the per-acre production greatly doubled.

The average production of the United States in the middle of the sixth decade of this century, that is, in the middle of the past fifties, reached about 3,000 million bushels per year.

(A bushel is a measure of wheat equals 32.5 liters), and the production of Brazil is 240 million, Argentina is 190 million, and Mexico is 140 million.