18 BULLETIN 592, U. S. DEPARTMENT OF AGRICULTURE. 
Special references.—Farmers’ Bulletin 884, Saving Vegetable Seeds for the Home 
and Market Garden. Production of Vegetable Seeds, Bureau of Plant Industry 
Bulletin 184. Articles in the following Yearbooks: 1896, Seed Production and Seed 
Saving; 1899, Seed Selling, Seed Growing and Seed Testing; 1901, Agricultural Seeds, 
Where Grown and How Handled; 1907, Art of Seed Selection and Breeding; 1909, 
Vegetable Seed Growing as a Business. 
Lesson 9.—Improvement of Varieties. 
1. Work of seed growers and special plant breeders. 
2. Selection in connection with home-grown seed. 
3. Novelties v. proven varieties. 
4, Study of seed catalogues. 
Special reference.—Testing Commercial Varieties of Vegetables, Yearbook 1900. 
Lesson 10.—General Cultural Methods. 
1. Preparation of the seed bed. 
2. Planting methods. 
3. Conservation of moisture. 
4, Combating weeds. 
Lesson 11.—Garden Insects. 
1. Damage done by insects. 
2. Common biting insects of the garden. 
3. Common sucking insects of the garden. 
Tilustrative material.—Specimens of common garden insects. 
Lesson 12.—Control of Insect Pests. 
1. Poison sprays. 
2. Contact sprays. 
3. Control by rotation. 
4, Other means of control. 
Lesson 13.—Control of Diseases. 
1. Nature of plant diseases. 
2. Control by spraying. 
3. Control by rotation. 
4, Other means of control. 
5. Disease-resistant varieties. 
Illustrative material —Specimens of diseases of garden crops. 
Special references.—The following Farmers’ Bulletins: 232, Spraying for Cucumber 
and Melon Diseases; 488, Diseases of Cabbage and Related Crops and Their Control; 
544, Potato Tuber Diseases; 714, Sweet Potato Diseases. 
Lesson 14.—Harvesting and Marketing. 
1. Harvesting of the green crops. 
. Harvesting of matured products. 
. Harvesting devices and machinery. 
. Transportation of vegetables. 
. Establishing a private trade. 
6. Cooperative marketing. 
Special reference.—A Successful Method of Marketing Vegetable Products, Year- 
book, 1912. 
Lesson 15.—Storing Vegetables. 
1. Keeping qualities of vegetables. 
2. Essentials of good storage. 
3. Devices for storing in the field. 
4, The storage house. 
oR CO bo 
