江西省万载县高中生物第3章植物的激素调节3.3其他植物激素1教案新人教版必修3.doc

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1 -3.3 其他植物激素 1教学目标 概述其他植物激素的作用;评述植物生长调节剂的应用重点 概述其他植物激素的作用难点 评述植物生长调节剂的应用教学过程 时间 设计意图 个人备课一、 检查预习检查世纪金榜自主预习【38】完成情况。二、导入新课以问题探讨导入三、推进新课1、其他植物激素的种类和作用(1)其他植物激素的合成部位和主要作用(2)植物激素间的相互作用2、植物生长调节剂的应用(1)概念:_的对植物的生长发育有_的化学物质。(2)优点:_、原料广泛、_等(3)应用(4)注意问题四、课堂训练 例:植物激素在农业生产和园林绿化等方面得到广泛的应用,下列说法不正确的是( )A.利用生长素类似物合成除草剂,可清除农田和园林的杂草或抑制杂草生长B.在园林栽培中,可用赤霉素来促进植物细胞伸长,使植株增高C.在进行组织培养时,在培养基中加入适量的细胞分裂素可促进细胞分裂D.在果树挂果时,利用乙烯利促进果实细胞体积增大31306检查预习情况,为讲解新课铺垫。导入新课,口述学习目标讲授分析,掌握其他植物激素的作用当堂训练,检测知识运用- 2 -答案: D五、课堂小结六、 作业1、完成课时作业本“课时作业十一”41总结本课学习内容,学生记忆相关知识点。布置下节课的预习任务教学反思

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