Cotton (from Arabic qutn) is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor percentages of …

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The developmental phases for cotton can be divided into five main growth stages: (1) germination and emergence (2) seedling establishment (3) leaf area and canopy development (4) flowering and boll development and (5) maturation (Fig. 1).

2012年9月26日 · Cracked boll — As cotton fiber matures, cotton bolls open slowly as the bracts dry and separate. Open boll — This is the part of the plant that most people think of when they think of a cotton plant… it’s what we harvest.

Cotton is generally a shrubby plant having broad three-lobed leaves and seeds in capsules, or bolls; each seed is surrounded with downy fiber, white or creamy in color, and easily spun. The fibers flatten and twist naturally as they dry.

How a Cotton Plant Grows. Contained within the seedcoat of a viable cottonseed is a new plant waiting for the correct set of environmental conditions to occur to start it germination process. Man has taken the cotton plant for granted, enjoying its benefits without fully understanding its growth.

What Is A Cotton Boll? The cotton boll (not ball) is the seed pod of the plant. The seeds are attached to wispy thread like fibers in order so that they will become air born when the boll opens. This is the plants way of dispersing offspring to new locations. Is It Legal To Grow Cotton?

Tempera ture, sunlight intensity, water and nutrient availability and internal hormonal balances will influence both boll retention and development. The boll consists of three main components: the bur (capsule), the seeds and the lint.

The cotton boll is classified as a fruit because it contains seeds. As the bolls develop, the leaves on the plant turn red. About four months are needed for the boll to ripen and split open.

The boll is the rounded mature fruit of the cotton plant. It is made up of separate compartments which are called locks, in which cotton seeds and lint grow. These open at harvest time. An average boll will contain nearly 500,000 cotton fibers.