昆虫学（森林昆虫）_森林有害生物控制（病害部分）

防指预防,治指除治。防是第一位的,治是第二位的

钻蛀性:危害顶芽、嫩梢、幼干,导致 树干分叉、枝芽丛生等畸形,甚至枝梢 或整株枯死 ●刺吸性:嫩叶、幼芽;蚜虫、介壳虫、 木虱、叶蝉等;卷叶、落叶 均喜光,种类多,习性复杂

细胞生物学_线粒体多媒体

细胞生物学_核糖体多媒体

8.1 Mutations and Mutants 8.2 Genetic Recombination 8.3 Genetic Transformation 8.4 Transduction 8.5 Conjugation 8.6 Plasmids 8.7 Transposons and Insertion Sequences 8.8 Comparative Prokaryotic Genomics 8.9 Genetics in Eukaryotic Microorganisms

Chapter 9 Microbial Ecology 9.1 Microorganisms in nature ecosystem 9.2 Microbial population interactions 9.3 Biogeochemical cycles 9.4 Plant-microbe interactions 9.5 Bioremediation

Chapter 7 Microbial Growth and Growth control 7.1 Overview of Cell Growth 7.2 Population Growth 7.3 Measurement of Growth 7.4 Continuous Culture: The Chemostat 7.5 Effect of Environment on Growth 7.6 Growth Control 7.7 Viral Control 7.8 Fungal Control

Chapter 6 Microbial Growth and Metabolism Microbial Nutrition Microbial Growth Metabolism

一、体积小面积大 二、吸收多转化快 三、生长旺繁殖快 四、适应强易变异 五、分布广种类多