. Southern field crops (exclusive of forage plants). Agriculture. 2 SOUTHERN FIELD CROPS the lower nodes. The conditions that hinder tillering (sometimes limiting the number of stems to one or two to the plant) are thick sowing, late sowing, and deficiency of moisture or plant-food. 3. Leaves. — The leaf-blade of the oat is wider than that of wheat or rye, and on its margins are scattering hairs so fine as to be noticed only on care- ful examination. At the junction of the leaf-blade and sheath there are no clasps or auricles (Fig. 1), which absence serves to distinguish the young oat plant fr
. Southern field crops (exclusive of forage plants). Agriculture. 2 SOUTHERN FIELD CROPS the lower nodes. The conditions that hinder tillering (sometimes limiting the number of stems to one or two to the plant) are thick sowing, late sowing, and deficiency of moisture or plant-food. 3. Leaves. — The leaf-blade of the oat is wider than that of wheat or rye, and on its margins are scattering hairs so fine as to be noticed only on care- ful examination. At the junction of the leaf-blade and sheath there are no clasps or auricles (Fig. 1), which absence serves to distinguish the young oat plant from that of any other small grain. 4. Pollination. — The oat in na- ture is self-pollinated; hence there is practically no danger of crossing between different varieties. Sev- eral varieties may properly be sown in adjacent fields, if care is taken to prevent mixing by me- FiQ. chanical means, as in harvesting Plant. and threshing. Showing the absence of 5. The panicle and spikelets. — clasps where leaf-blade and -phe grain-bearing part of the sheath join. vi n i • plant, though usually called a head, is really a panicle, or widely branched terminal part of the stem (Fig. 2). The branches of the head originate at the upper nodes or joints of the stem, several usually springing from each node. Each branch may bear a single spikelet (that is, a group of grains) or several 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 Duggar, J. F. (John Frederick), 1868-. New York, The Macmillan company
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