园艺植物种子生产技术

"Contents Module 1 Selection and Breeding of New Cultivars of Horticultural Plants………………………………………………………………… 1 Learning Objectives …………………………………………………………… 1 Learning Scenario I Horticultural Plant Breeding Objectives and Germplasm Resources ……………………………………………………………………… 1 I. The Main Objectives of Modern Horticultural Plant Breeding ………………………… 1 II. General Principles for Setting Breeding Objectives …………………………………… 4 III. The Concept and Type of Cultivars…………………………………………………… 7 IV. Types, Collection, Documentation, Conservation, and Utilization of Germplasm Resources ………………………………………………………………………………… 9 V. Main Methods of Horticultural Plant Breeding………………………………………… 19 Review and Reflection Questions …………………………………………… 23 Learning Scenario II Selection and Breeding Methods of New Cultivars of Horticultural Plants …………………… 23 I. Introduction……………………………………………………………………………… 23 II. Selective Breeding……………………………………………………………………… 33 III. Sexual Hybridization Techniques