. Field crops for the cotton-belt. Agriculture. COTTON VARIETIES 41 importance of soil and climate as factors influencing the variability of cotton. 47. Classification of varieties. â It is very difficult to classify cotton varieties owing to the readiness with which they are cross-fertilized and the great range of variation of the individual plants within a variety. The most satisfactory classification, of Ameri- can upland varieties known to the author is that proposed by Duggar of the Alabama Experiment Sta- tion which is given belOw: , Group 1. â Cluster type. Group 2. â Semi-cluster type.
. Field crops for the cotton-belt. Agriculture. COTTON VARIETIES 41 importance of soil and climate as factors influencing the variability of cotton. 47. Classification of varieties. â It is very difficult to classify cotton varieties owing to the readiness with which they are cross-fertilized and the great range of variation of the individual plants within a variety. The most satisfactory classification, of Ameri- can upland varieties known to the author is that proposed by Duggar of the Alabama Experiment Sta- tion which is given belOw: , Group 1. â Cluster type. Group 2. â Semi-cluster type. Group 3. â Rio Grande type, of which the Peterkin is an example. Group 4. â The early varieties of the King type. Group 5. â The Big-boll type. Group 6. â The Long-limbed type. Group 7 ties. Group 8. varieties. 48. Cluster type (Fig. 8). â The plants of this type possess the char- acteristic property of producing one or more long basal limbs with ex- tremely short spur-like fruiting limbs on the niiddle and upper parts of the main-stems. There is a tendency for the bolls and leaves to be borne in clusters as a result of the shortening of the internodes of the primary and fruit- â Intermediate varie- Long-staple Upland. Fig. 8. â Plant of the Jackson Limbless va- riety of cotton repre- senting the Oluster Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Morgan, James Oscar. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
