第一节色及色彩的有关概念 色:是表示物体及面部呈露的刺激因素 姿色:指人的长相 颜色:指物体的色彩情况 音色:指声音对人的感受

第一节痘病毒科(Poxviridae 第二节疱疹病毒科(Herpesviridae 第三节双RA病毒科 第四节流感病毒 第五节鸡贫血病毒(Chicken anemia virus) 第六节猪瘟病毒 第七节口蹄疫病毒(FMDV) 第八节鸡新城疫病毒(NV)

高免血清又称抗病血清(antiserum):它 为含有高效价特异性抗体的动物血清能用 于治疗或紧急预防相应病原体所致的疾病, 所以又称为被动免疫制品

一、名词解释: 1、园艺植物育种学:园艺植物育种学是研究选育与繁殖园艺植物优良品种的原理和方法的科学。 2、育种目标:育种目标就是对所要育成品种的要求,也就是所要育成的新品种在一定自然、生产及经济条件下的地区栽培时,应具备的一系列优良性状的指标

一、名词解释: 1、园艺植物育种学 2、育种目标 3、种质资源 4、引种 5、遗传力 6、选择反应

General Characteristics A. Micronutrients are required by all plants but in smaller amounts compared to the macronutrients Deficiencies of micronutrients can reduce growth just as much as deficiencies of macronutrients Remember the \Law of the minimum

Calcium in physiology Uptake and translocation Higher plants often contain apprecia ble amounts Ca and generally in the order of about 5-30 mg Ca/g dry matter The high Ca2+ concentrations related with the high Ca2+ levels in media not related with the Ca2+ uptake

Plant K A. Potassium content of plants 1.20-50gkg-1 2. Plants take up large amount of K. Only N is taken up more. 3. In some plants (sugar beets and potatoes) K uptake is greater than N uptake

Concept of organic fertilizers Organic fertilizers-that are derived from the wastes and residues of plants or animals. Such as manure, sewage sludge etc. Some consist of unprocessed plant materials(such as tree leaves, grass clipping, crop residues, and green manure crops)

1、伴性遗传与常染色体遗传有何差异? 2、近交的遗传效应是什么? 3、如何提高某个性状的选择反应? 4、遗传性疾病的遗传规律有哪些? 5、数量性状的一般特征有哪些?