摘要
为了丰富上海地区的早樱种质资源,以尼泊尔种源的喜马拉雅樱花为引种对象,进行了播种育苗、物候观察和生态适应性研究。结果表明:对种子进行低温处理,且在设施栽培条件下,种子发芽率可达61%。在上海地区的气候条件下,露地播种育苗的出苗率和成活率都很低。温室培育的1年生苗移栽到室外避风向阳、环境条件较好的圃地上,长势良好,萌蘖力极强,对病虫害的抗性也较强。在正常年份,苗木足以安全地越冬度夏,但低于-7℃的超低温天气会对苗木造成冻害。
In order to enrich the early cherry germplasm resources in Shanghai area,planting seeding,phonological observation and ecological adaptability were carried out with the Himalaya cherry from Nepal as the introduction object. Results showed that Low temperature treatment with seeds and facility cultivation can help seed germinating with the rate of 61%. Under the climatic conditions in Shanghai area,outdoor germination and survival rate of seeds was very low. After one year greenhouse cultivation, seedlings were transplanted to the nursery with sheltered sunny and better conditions, growing well, and showing strong sprout force and resistance to pests and diseases. In normal years, the seedlings were capable enough of surviving winter and summer, but extreme cold weather lower than-7℃ may caused freezing damage to seedlings.
出处
《上海农业学报》
CSCD
2017年第5期64-67,共4页
Acta Agriculturae Shanghai
基金
上海市种业发展项目[沪农科种字(2017)第1-6号]
上海市花卉产业技术体系建设[沪农科产字(2017)第8号]
关键词
喜马拉雅樱花
引种
发芽率
生态适应性
Himalayan cherry
Introduction
Germination rate
Ecological adaptability
