. Crossed sweet corn. Sweet corn; Hybrid corn. Production of Crossed Seed in Field Plots 519 tillers is warranted if necessary. All tassels must be pulled before they shed any pollen. On the thoroughness with which a field is detasseled will depend the quality of the crossed seed. If a field is covered only twice it is a safe estimate that not more than half of the seed will be crossed. The re- mainder will be selfed or pollinated by the female parent, and it will be no more productive than the female inbred or variety. This inferior seed from a poorly detasseled field may go on the market in
. Crossed sweet corn. Sweet corn; Hybrid corn. Production of Crossed Seed in Field Plots 519 tillers is warranted if necessary. All tassels must be pulled before they shed any pollen. On the thoroughness with which a field is detasseled will depend the quality of the crossed seed. If a field is covered only twice it is a safe estimate that not more than half of the seed will be crossed. The re- mainder will be selfed or pollinated by the female parent, and it will be no more productive than the female inbred or variety. This inferior seed from a poorly detasseled field may go on the market in direct competition with seed from a well-cared for plot. Curing Seed Corn Sweet corn can be harvested and dried an}- time after it has begun to wrinkle. Artificial heat may be necessary to dry the corn quickly before. Figure 110. Crossing field grown in 1921 at Clinton, Connecticut. it molds. Harvesting the corn early also guards it from the ravages of birds, racoons, woodchucks, skunks, pheasants and other pests in the field. Most of the seed firms are equipped with well-aerated seed barns for drying. To those who have had little experience in curing seed it might be well to emphasize ventilation. Circulation of air is more im- portant than heat in corn drying. A seed barn should be so constructed that all sides may be opened up and a good draft of air drawn through. The corn may be piled on racks but should never be in layers more than six inches deep. Otherwise ears in the center will mold. Green sweet corn is an ideal medium for the growth of mold that will develop without circulation of air. Artificial so-called tunnel driers are used in some of the western states that produce a large quantity of sweet corn seed. These. 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 Jones, Donald Forsha, 1890-; Singlet
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