广西古树名木种质资源收集与扩繁初现成效|黑巨茎大战欧美夫妇
1. 男性23厘米尺寸图片
中新网南宁10月14日电 (夏泰英)广西壮族自治区林业局14日介绍,当地加快推进古树名木种质资源库建设,以系统性保存全区“最高、最老、最美”及濒危古树的遗传资源为重点,同步开展科学扩繁与利用研究。

建设古树名木种质资源库,旨在通过系统收集、迁地保护、无性繁殖与种质评价等技术手段,为珍贵古树建立可靠的“基因备份”。在此基础上,广西开展苗木繁育以扩大种群,最终构建一个集资源保存、科学研究、科普教育及可持续利用于一体的综合性平台,实现从原地保护到基因传承的延伸,为古树名木保护提供更为坚实的技术支撑与资源保障。
目前,广西已累计收集金丝李、蚬木、海红豆、广西青梅等59个树种共177份种质资源,其中紫荆木、格木、水翁蒲桃等42种99份古树名木种子陆续发芽或扦插生根,并上杯定植,苗木长势良好;地栽种植粉叶楠、水松等古树名木扩繁苗木183株。
值得一提的是,在自然条件下成活率几乎为零的龙州弄岗保护区树龄超2300年的“蚬木王”,其种子已有50多株成功萌芽。与此同时,树龄超千年的格木与雅榕扩繁苗也有较高的成活率,这标志着广西在超长寿古树种质资源的抢救性保护与繁育工作上迈出关键一步。
据介绍,广西扎实推进全区1311个错落分布古树群的15.6万余株古树名木保护工作,通过挂牌立碑、抢救复壮、严厉打击破坏行为、强化科普宣传等一系列举措,积极构建全社会共同参与的保护格局。(完)
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