论文部分内容阅读
4月7日,探秘世园花卉系列新闻发布会在北京市园林科学研究院举办。2019北京世园会初步筛选的自育花卉品种首次露出真容。月底这批花卉品种还将在北京植物园集中展示。记者在北京市园林科学研究院3号温室中看到,4000余株一串红、万寿菊、矮牵牛、孔雀草等正含苞待放。“这是矮牵牛新品种‘京艳’,耐早霜、花期长达4个月。”科研人员介绍说,“为了保证世园会期间的观赏性,我们经过多番尝试,延长了矮牵牛的花期,并增强其抗早霜性,使其在延庆温度偏低的
On April 7, a press conference on Quest Garden Flower series was held in Beijing Academy of Landscape Sciences. 2019 Beijing World Park will be the first screening of self-cultivated varieties of flowers show the true content for the first time. At the end of this batch of flowers will also be concentrated in the Beijing Botanical Garden show. Reporters in Beijing Academy of Landscape Science Park saw No. 3, more than 4,000 strains of a string of red, marigold, petunia, peacock grass are budding. ”This is a petunia new variety ’Jing Yan’, resistant to early frost, flowering up to 4 months. “ The researchers said ”In order to ensure that the World Expo will be ornamental, we have to make repeated attempts to extend Petunia florescence, and enhance its resistance to early frost, make it lower temperature in Yanqing