Sir G. Watt's exhaustive work on ti'Vild and Cultivated Cotton Plants of the World is a recognized authority on the subject ; and his views on some de bated points have been incorporated in the following account.A seed of "Sea Island cotton" is covered with long hairs only, which are readily pulled off, leaving the comparatively small black seed quite clean or with only a slight fuzz at the end, whereas a seed of "Upland" or ordinary American cotton bears both long and short hairs; the former are fairly easily detached (less easily, however, than in Sea Island cotton), whilst the latter adhere very firmly, so that when the long hairs are pulled off the seed remains completely covered with a short fuzz.
Please enter recipient e-mail address(es).The E-mail Address(es) you entered is(are) not in a valid format. Seeds covered with long hairs only, flowers yellow, turning to red.Country of origin, Tropical America(I) G. barbadense, L.Country of origin, S. America(2) G. brasiliense, Macf.ii. BOTANY AND CULTIVATION A. Leaves 3 to 7 lobed.l Place of origin, Old World(5) G. arboreum, L.I. Starting with this as the basis of classification, we can construct the fol lowing key, the remaining principal points of difference being indicated in their proper places : i.
The cotton plant belongs to the genus Gossypium of the family Malvaceae (mallow family); the same family as hollyhock, okra and hibiscus. This plant, known only in cultivation, is usually regarded as native to the West Indies.
Some features of WorldCat will not be available.Image provided by: CDC/ Alissa Eckert, MS; Dan Higgins, MAM.The E-mail Address(es) field is required. We've sent you an email to confirm your subscription.There was a problem subscribing you to this newsletter.Your confirmation will be sent to your email address.Your confirmation will be sent to %email%.Find things you'll love. He classifies the modern high-class Sea Island cottons as G. bar badense, var. Office of Experiment Stations.# Bulletin (United States. Reliable information about the coronavirus (COVID-19) is available from the World Health Organization (.Please choose whether or not you want other users to be able to see on your profile that this library is a favorite of yours.Your Web browser is not enabled for JavaScript. It 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 COTTON PLANT Cotton consists of unicellular hairs which occur attached to the seeds of various species of plants of the genus Gossypium, belong ing to the Mallow family (Malvaceae) . All rights reserved.Government publication, National government publication,Bulletin (United States. Ads are shown to you based on a number of factors like relevance and the amount sellers pay per click. Canada | English (UK) | $ (CAD). Nevertheless it is possible for prac tical purposes to divide the commercially important plants into five species, placing these in two groups according to the char acter of the hairs borne on the seeds. During the periods the cottons have been cultivated, selection, conscious or unconscious, has been carried on, resulting in the raising, from the same stock probably, in dif ferent places, of well-marked forms, which, in the absence of the history of their origin, might be regarded as different species. 197: Cotton is one of the most important fiber and cash crops throughout the world, and it plays a dominant role in the industrial and agricultural economies of many Advances in Cotton Science: Botany, Production, and Crop Improvement - Commercial species of cotton plant are G. hirsutum (>90% of world production), G. barbadense (3–4%), G. arboreum and G. herbaceum (together, 2%). Please.You've already signed up for some newsletters, but you haven't confirmed your address.Great! Under normal conditions in warm climates all the species of cultivated cotton are perennials, but, in the United States for example, cli matic conditions necessitate the plants being renewed annually, and even in the Tropics it is often found advisable to treat them as annuals to ensure the production of cotton of the best quality, to facilitate cultural operations, and to keep insect and fungoid pests in check.Microscopic examination of a specimen of mature cotton shows that the hairs are flattened and twisted, resembling somewhat in general appearance an empty and twisted fire hose. Each fibre is formed by the outgrowth of a single epidermal cell of the testa or outer coat of the vessel. 4.5 out of 5 stars (123) 123 reviews $ 8.00. Support independent sellers.Etsy sellers promote their items through our paid advertising platform. Besides being cultivated in Egypt, this cotton is also grown under irrigation in the United States, in Arizona and California, where new strains have been produced, notably Pima and Yuma. G. barbadense, Linn. Both registration and sign in support using Google and Facebook accounts. The staple varies in length from i to about i 2in.3. Its cultivation in these regions has now been abandoned on account of the ravages of the boll weevil, and it is now confined to the dryer islands of the West Indies, having been reintroduced there from the United States. (G. peruvianum, Engler), or kidney cotton. Get this from a library! The derivation of the word cotton is from the French coton; Arabic qutun.The genus Gossypium includes herbs and shrubs, which have been cultivated from time immemorial, and are now found widely distributed throughout the tropical and subtropical regions of both hemispheres. Please enter your name.The E-mail message field is required.
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