文档介绍：BY
Niu Yingze
(牛应泽)
Dept. of Plant Breeding and Seed Engineering
CHAPTER 16
Pathways and Methods of Plant Propagation
植物的繁殖途径和方法
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Study Aims and Requirements
Different Modes of Propagation in Plants
Methods for Seed Propagation
Methods for Vegetative Propagation
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§1 Classifications of Plant Propagation Methods 植物繁殖的种类
The different terms in English:
Reproduction 生殖,繁殖
Multiplication 增殖,繁殖
Propagation 繁殖,传播
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1. The Classifications of Plant Propagation Hudson et al. ( 1990)
Seed Propagation
Mainly in
Agricultural Crops (annuals, biannuals, perennials)
Vegetable crops(甘蓝类、白菜类、茄科类)
Apomictic Propagation
Nucellus embryos – citrus, mango
Adventitious embryony – Kentucky bluegrass
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Vegetative Propagation
Cutting 扦插
Grafting 嫁接
Budding 芽接
Layering 压条
Runner 走茎
Sucker 吸根
Separation 分株
Division 分体
In vitro culture 离体培养
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2. The Classification of Plant Propagation
By Zhao Liangjun(赵梁军,2002)
The Five Kinds:
Sexual Propagation ( Seed propagation)
Easy and convenient
Suitable for large scale production
Asexual Propagation(Vegetative Propagation)
Division propagation
Propagation by cutting
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Spore Propagation (孢子繁殖)
Fern propagation 蕨类植物
Viviparity (胎生繁殖)
Seed germinating in fruits (红树)
Tissue culture Propagation (Micropropagation)
Most frequently used in ornamental plants:
Explant ------callus------differentiation------shoot-----root-----complete plant
Grafting propagation
Layering propagation
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Seed Propagation
The Advantages
Simple and easy to propagate
Large scale
Easy to store and to transport
Disadvantages
Seed dormancy
Long juvenile period in fruit trees and wood trees
§2 Main Propagation Methods in Plants 植物繁殖的种类
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(1)Development and Harvest of the Seed
Grow in good conditions
Good maturity and timely harvesting
Stor