Module 1 Knowledge of Lettuce Task 1 Origin and Evolution of Lettuce Task 2 Botanical, Flowering, and Pollination Characteristics of Lettuce Task 3 Growth Cycle of Lettuce Task 4 Required Environmental Conditions for Lettuce Skill Training 1-1��Investigation of Lettuce Planting Worldwide Module 2 Types and Main Varieties of Lettuce Task 1 Types of Lettuce Task 2 Main Varieties of Lettuce Skill Training 2-1��Study of Nutrition and Health Benefits of Lettuce Module 3 Lettuce Seedling Raising Technique Task 1 Seed Quality Task 2 Seed Germination Conditions and Lettuce Seed Treatment Task 3 Lettuce Sowing and Seedling Raising Skill Training 3-1��Seedling Raising of Lettuce in Plug Trays Skill Training 3-2��Impact of Plug Tray Size on the Quality of Lettuce Seedlings Skill Training 3-3��Determination of Lettuce Seed Viability Module 4 Storage and Transportation of Lettuce Seedlings Task 1 Preparations for Transportation Task 2 Packaging and Transportation Tools Task 3 Techniques to Maintain the Quality of Seedlings during Storage and Transportation Skill Training 4-1��Investigation on Lettuce Seedling Transportation Module 5 Lettuce Cultivation Mode and Technology Task 1 Open Cultivation of Lettuce Task 2 Lettuce Cultivation with Facilities Task 3 Lettuce Soilless Culture Task 4 Organic Culture of Lettuce Skill Training 5-1��Preparation of Nutrient Solution Skill Training 5-2��Effects of Photoperiod on Lettuce Seedling Growth Skill Training 5-3��Effects of Plant Growth Regulators on Lettuce Seedling Growth Module 6 Construction and Environmental Regulation of Protection Facilities Task 1 Type and Classification of Protection Facilities Task 2 Construction of Plastic Greenhouses and Solar Greenhouses Task 3 Control of Environmental Conditions in Facilities Skill Training 6-1��Investigation on Types of Horticultural Facilities Skill Training 6-2��Structural Observation and Design of Plastic Arched Sheds Skill Training 6-3��Application of CO2 Fertilizer Module 7 Techniques for Control of Lettuce Diseases and Pests Task 1 Types and Control of Infectious Diseases Task 2 Types, Prevention, and Control of Physiological Diseases Task 3 Types, Prevention, and Control of Insect Pests Task 4 Eco-friendly Techniques for Prevention and Control of Lettuce Diseases and Pests Skill Training 7-1��Investigation of Lettuce Undernutrition Skill Training 7-2��Pesticide Formulations and Application Methods Module 8 Lettuce Breeding Task 1 Breeding Overview Task 2 Breeding Objectives Task 3 Selective Breeding and Sexual Crossbreeding Task 4 Breeding of Superior Varieties Skill Training 8-1��Lettuce Seed Purity Analysis Skill Training 8-2��Visiting Plant Tissue Culture Laboratory Skill Training 8-3��Factor Analysis for Introduction of Horticultural Plants