一、多年生草本或亚灌木。 二、花大而美丽,单生枝顶或有时成束,红、黄、白、紫各色;

一、 Concept of propagation 由旧个体产生新个体的现象叫繁殖。繁殖可以分 (一) vegetative propagation营养繁殖:扦插、压条、嫁接和分株; (二) asexual reproduction无性生殖(孢子生殖);

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1 The microsporogenesis 2 The development of microspore

一、 种间杂交与生殖隔离 reproductive isolation in the cross of species 二、种间杂交不亲和性 interspecific incompatibility

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

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

《植物生殖生物学》实验课程教学课件（PPT讲稿）激光扫描共聚焦显微镜的原理与应用