Hybridization Crossing Sexual Crossing Asexual Crossing Distant Crossing-interspecific Crossing Intraspecific Crossing-inter-varietal Crossing In this chapter: Hybridization Breeding i.e. CROSS BREEDING

上饶师范学院：《园林规划设计》课程教学资源（PPT课件）园林植物育种学——绪论

第四章引种 第一节引种的概念及意义 第二节引种的原理 第三节引种的方法

PREFACE前言 1. Introduction to the Course Nature of the Course Teaching Plan(54 hrs lec. +18 hrs exp.) Language of the Course (Bilingual Course)

1. The Concept of Germplasm Resources种质资源的概念 Genetic Resources Gene Resources Varietal Resources Gene Bank It refers to all the plant materials used for plant breeding

1. Sexual Reproduction 2. Modes of pollination 3.(1) Self-pollinated plants 4.(2)Cross-pollinated plants 5. 3)Often cross-pollinated plants

1. What is plant introduction Narrow sense---introduction of superior cultivars Broad sense---introduction of plants(or crops 2. Implications of plant introduction p.50-52

COMMON CLONAL CROPS p.144 Food Crops Vegetables Fruit Trees Ornamental Crops

1 Concept and Roles of Distant Cross 远缘杂交的过概念和作用 1. The Concept of Distant Cross p. 159 Distant Cross Between Species Distant cross- Distant hybridization- Wide cross Sub-distant Cross: Between Subspecies Near Cross: Between Varieties

Study Goals of This Chapter Main Objectives in Current Plant Breeding General Principles for Decision of Plant Breeding Objectives