窄冠速生刺槐的区域化引种试验与推广研究

On introduction experiment of narrow crown fast-growing black locust and its extension

通过窄冠刺槐的无性系繁育和试验示范林,推广该优良无性系的根段扦插育苗技术、造林技术以及人工林优化栽培技术,进一步测定和展示该优良无性系的生长快、树干通直、窄冠和近乎无刺的优良性状,从而为在刺槐主要栽培地区乃至全国刺槐适栽区迅速、全面推广窄冠刺槐无性系奠定坚实的基础。

According to the clone breeding of the narrow crown black locust and its experiment demonstration forest, the paper extends the excel- lent clone root cutting seedling technique, the afforestation technique, and planted forest optimal planting technique, measures and displays the excellent clone can grow fast with straight trunk and narrow crown nearly without thorns, so as to lay the foundation for the speedy and full-sided extension of the black locust in main planting areas and national planting areas for the locust and the narrow crown black locust clone.