. Breeding crop plants. Plant breeding. 208 BREEDING CROP PLANTS sis), Canada bluegrass {Poa compressa), and redtop {Agrostis palustn's). The variability (see Fig. 49) of each of the different species of grasses presents a wealth of material for breeding Fig. 49.—Individual timothy plants grown under like conditions. The upper plants are undesirable, one having weak stems and the other lacking vigor. The lower plants are more desirable. They differ in density of plant and number of culms. (Courtesy of Myers.) Moreover, the fact that many of them may be conveniently pi-op- agated as
. Breeding crop plants. Plant breeding. 208 BREEDING CROP PLANTS sis), Canada bluegrass {Poa compressa), and redtop {Agrostis palustn's). The variability (see Fig. 49) of each of the different species of grasses presents a wealth of material for breeding Fig. 49.—Individual timothy plants grown under like conditions. The upper plants are undesirable, one having weak stems and the other lacking vigor. The lower plants are more desirable. They differ in density of plant and number of culms. (Courtesy of Myers.) Moreover, the fact that many of them may be conveniently pi-op- agated as clones facilitates a study of the value of individual Fig. 50.—Flowers of timothy. 1. Spike. 2. Floret—a, anther; b, filament; r, branched stigma; d, stylo; e, ovary; /. outer glume. 3. Outer glume. 4. a, feathery stigma; 6, style; c, ovary. 5. Spikelet showing a, palea; 6, floral glume. (After Beal after Triniua and Scribner.) Size: 1, fin; 2, 80n; 3, 4, 5, greatly 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 Hayes, Herbert Kendall, b. 1884; Garber, Ralph John, b. 1890. New York [etc. ] : McGraw-Hill book company, inc.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplantbr, bookyear1921
