. A descriptive catalog of vegetables. Nurseries (Horticulture) Catalogs; Vegetables Seeds Catalogs; Seeds Catalogs; Fruit Catalogs; Herbs Catalogs. 94 ASSOCIATED SEED GROWERS, INC. PRINCIPAL BREEDING GROUNDS. 180 Acres of Increase Blocks of Progeny Lines of Peas HAMILTON, MONTANA Intensive pea breeding operations are conducted on 300 acres at this location. Many- individual plant selections are made each year, and from these a few of the very best progenies are saved. These are carefully reproduced for five or six generations in well isolated fields, to guard against mixtures of any kind. Als
. A descriptive catalog of vegetables. Nurseries (Horticulture) Catalogs; Vegetables Seeds Catalogs; Seeds Catalogs; Fruit Catalogs; Herbs Catalogs. 94 ASSOCIATED SEED GROWERS, INC. PRINCIPAL BREEDING GROUNDS. 180 Acres of Increase Blocks of Progeny Lines of Peas HAMILTON, MONTANA Intensive pea breeding operations are conducted on 300 acres at this location. Many- individual plant selections are made each year, and from these a few of the very best progenies are saved. These are carefully reproduced for five or six generations in well isolated fields, to guard against mixtures of any kind. Also, new varieties are developed by means of hybridization, followed by selection to fix a particularly desired type. POWELL, WYOMING Advanced generations of pure line peas are grown each year in isolated blocks on our 250-acre breeding grounds. These blocks of pea seed stocks represent from four to five years of intensive pure line culture from individual plant selections. Breeders familiar with the culture of peas over a period of years make observations as to trueness to type. Seed stocks passing this rigid inspection are ready to be graduated from the breeding grounds to general seed production. MILFORD, CONNECTICUT At this location, 100 acres are used for breeding and increase work on the cross- pollinating species, Sweet Corn Beet Broccoli Cabbage Kale Onion Turnip Rutabaga and on various self-pollinated species, such as tomato and pepper. Many of the cross- pollinated varieties are difficult to handle in a breeding program, and a number of methods, such as paper bags, and cloth cages, are used to maintain pedigreed stocks. Plant hybridization and the testing of stocks for disease resistance, are conducted in a modern greenhouse and laboratory during the winter months. FILER, IDAHO For twenty years our 80-acre bean breeding farm in southern Idaho has been used exclusively for the purpose of developing and maintaining pure stocks of beans. The pure line cultures of the diffe
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