. Bulletin of the Department of Agriculture. Agriculture; Agriculture. jiunut BULLETIN No. 668 Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief. Washington, D. C. May 21, 1918 NURSE PLANTING SELECT COTTON SEED. By P. V. Cardon, Assistant Agronomist, Office of Acclimatization and Adapta- tion of Crop Plants—Cotton Breeding. CONTENTS. Page. The waste of select cotton seed 1 Planting distinct types of cotton 3 Planting cotton seed with beans or peas 3 Rate of combining cotton with other 5 Delinting cotton seed for nurse planting ' G Page. Method of planting in hil
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. jiunut BULLETIN No. 668 Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief. Washington, D. C. May 21, 1918 NURSE PLANTING SELECT COTTON SEED. By P. V. Cardon, Assistant Agronomist, Office of Acclimatization and Adapta- tion of Crop Plants—Cotton Breeding. CONTENTS. Page. The waste of select cotton seed 1 Planting distinct types of cotton 3 Planting cotton seed with beans or peas 3 Rate of combining cotton with other 5 Delinting cotton seed for nurse planting ' G Page. Method of planting in hills 7 Method of planting in drills 8 Advantages in nurse planting 10 Summary 12 THE WASTE OF SELECT COTTON SEED. How to avoid waste of select cotton seed is a problem confronting every cotton breeder. In order to improve varieties and to main- tain select stocks on the highest plane of superiority it is necessary to increase rapidly the best progenies. A relatively slow increase is all that is possible if the usual methods of planting are employed. The waste of valuable seed may prove to be a distinct loss not only to the breeder but to the cotton industry as well. If the waste of seed could be avoided, superior selections of cotton could be estab- lished in cultivation one, two, or more years earlier than is now considered possible. The usual methods of increasing select cotton seed are wasteful in several ways. Though differing somewhat in detail, the main steps are essentially the same in all methods that have come to the writer's attention. The seeds of a select plant are planted first in hills in what is called a progeny row. Only one plant in each hill usually is desired, but it is customary to plant five to eight or more seeds. This is held to be necessary in order to insure a stand. Per- fect germination is hardly to be expected, and many of the young seedlings do not survive. A single seedling may be unable to break through if the surface becomes crusted, but several
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