www.yyeat.com植物育种学
植 物 育 种 学
内容植物育种学的任务和内容植物育种学发展品种的概念和作用我国植物育种的成就如何学习植物育种学？
内 容 ⚫植物育种学的任务和内容 ⚫植物育种学发展 ⚫品种的概念和作用 ⚫我国植物育种的成就 ⚫如何学习植物育种学？
wheatlricecornpotatoesmillet&sorghumcassava二lryebarleyall otherfoodsFig 1. source of food used by the world's people. Over50percent ofthefood supply comesfromsevencerealgrains, over 40 percent from rice and wheat
wheat rice corn potatoes millet &sorghum cassava rye barley all other foods Fig 1. source of food used by the world’s people. Over 50percent of the food supply comes from seven cereal grains, over 40 percent from rice and wheat
现代农作物生产的主要投入要素Production of food is a problem ofmajor concern in the world todayFarmcropsTo increase farm crop production,four important inputs need major attention:water, fertilizer, pest control, and the cropvariety
现代农作物生产的主要投入要素 Production of food is a problem of major concern in the world today Farm crops To increase farm crop production, four important inputs need major attention: water, fertilizer, pest control, and the crop variety
外因和内因Waterrelate to providing aFertilizerbetter environmentinpestcontrolwhich to grow the cropCrop varietyrelates to the inherentability of the plant to produce within theenvironment provided
外因和内因 ⚫ Water relate to providing a ⚫ Fertilizer better environment in ⚫ pest control which to grow the crop Crop variety relates to the inherent ability of the plant to produce within the environment provided
1210noodotie86420199020001970198020102020系列1Fig 2. increase in world population in less developedcountries, projected to year 2020
Fig 2. increase in world population in less developed countries, projected to year 2020 0 2 4 6 8 10 12 1 2 3 4 5 6 billion people 系列1 1970 1980 1990 2000 2010 2020
108ldoa6系列1uo-!I4620197019801990200020102020Fig 3. increase in world population in developedcountries, projected to year 2020
0 2 4 6 8 10 1 2 3 4 5 6 billion people 系列1 1970 1980 1990 2000 2010 2020 Fig 3. increase in world population in developed countries, projected to year 2020
1.植物育种学的任务和内容
1. 植物育种学的任务和内容
1.1 What is plant breeding?植物育种学是以研究植物经济性状遗传改良为目的的应用基础学科,是研究选育和繁殖农作物优良品种的理论与技术的科学（选育新品种和繁殖新品种种子的科学和技术）。 Plant breeding is the art and scienceofchangingheredity of plantstoimprove their economic utility to man
1.1 What is plant breeding？ ⚫ 植物育种学是以研究植物经济性状遗传改 良为目的的应用基础学科,是研究选育和 繁殖农作物优良品种的理论与技术的科学 （选育新品种和繁殖新品种种子的科学和 技术）。 ⚫ Plant breeding is the art and science of changing heredity of plants to improve their economic utility to man
1.2 tasks of plant breeding发掘，研究和利用各有关作物种质资源；选育适于不同地区生产发展需要的高产、稳产、优质、抗逆、熟期适当、适应性强的优良品种、杂交种以及新作物;提供数量多，质量好，成本低的生产用种；并在推广新品种的过程中，不断地保持和提高其种性，实现生产用种良种化，种子质量标准化，实现农业生产的持续稳定发展
1.2 tasks of plant breeding ⚫ 发掘,研究和利用各有关作物种质资源； ⚫ 选育适于不同地区生产发展需要的高产、稳 产、优质、抗逆、熟期适当、适应性强的优 良品种、杂交种以及新作物； ⚫ 提供数量多,质量好,成本低的生产用种；并 在推广新品种的过程中，不断地保持和提高 其种性，实现生产用种良种化，种子质量标 准化，实现农业生产的持续稳定发展