一、实验目的 病原物的生长发育都需要一定的营养 ,在人工培养微生物时,为其生长发育 提供所需营养的基质,称为培养基。 病原菌通常是与其它微生物混生在一起 的,从病组织中将病原菌单独分选出来 ,称为分离。 分离出的病原物在人工培养基上生长, 称为培养

实验目的 了解植物病原线虫和寄生性种子植物病的形态特征,及所致病害的症状特征

一、实验目的 了解病原菌生活力的强弱,存活期的长短,有 效传播距离,抗药性的大小,生活史,环境与 发病的关系以及有些病原菌的鉴定等,都必须 进行孢子萌发试验。 孢子能否萌发,萌发率的高低,萌发势的强弱 以及萌发的方式等既受病原菌自身内在的因素 影响,也受外界环境条件制约,因此要达到萌 发试验的目的,必须充分掌握萌发所需的各种 条件

1. What is Plant Heterosis? p. 117 2. Discovery and History of Heterosis Animals Horse x donkey, 1400 years ago, China

Study Aims and Requirements Different Modes of Propagation in Plants Methods for Seed Propagation Methods for Vegetative Propagation

1. Current Regulations of Agricultural seed Production 2. (1)The Current Seed Law of P.R. China 3.(2)Registration and release of plant cultivars 4.(3) Plant Breeders right 5.()Requirements for the seed Enterprises: Capitalasset; Physical/technical conditions

The Crop Quality Nutritive Quality (Protein, amino acid, fatty acid, ..... Processing Quality (Milling, baking, toasting, cooking, frying...) Commercial Quality (External appearance, taste, ..... The Significance of Crop Quality

The Significance of Breeding for Resistance to Diseases and Insect Pests抗病虫育种的意义 1. Resistance of Crops to Diseases and Insect Pests (1) Disease and pest damages are popular in Crop Production

PLANT TISSUE CULTURE is a blanket term for the in vitro cultivation of all plant parts under aseptic conditions. \plan t tissue culture\ is used as a blanket term for protoplast, cell, tissue and organ culture under aseptic conditions

Class Test 3 Translate the following terms （1) Homogeneous and homozygous Cultivars同质纯合型品种 （2) Homogeneous and heterozygous Cultivars同质杂合型品种 （3) Heterogeneous and homozygous Cultivars异质纯合型品种 （4) Heterogeneous and heterozygous Cultivars异质杂合型品种