3类金佛山方竹林发笋规律比较
2021-06-15凡美玲方水元董友顺丁雨龙林树燕
凡美玲 方水元 董友顺 丁雨龙 林树燕



摘要 [目的]探究不同种源金佛山方竹实生苗林与天然林发笋规律的差异。[方法]在金佛山方竹天然林与箐坝、黄莲种源实生苗种植10年后的竹林分别设置3个5 m×5 m的样地进行发笋规律调查,在发笋期分別调查3类金佛山方竹林的发笋量。[结果]2个种源实生苗林与天然林的发笋规律不同,发笋量和质量以天然林最优,箐坝种源竹林其次,黄莲种源竹林最低。[结论]该研究表明在造林初期进行种苗选优对成林质量有直接影响。
关键词 金佛山方竹;发笋规律;种苗优选
中图分类号 S795文献标识码 A文章编号 0517-6611(2021)10-0122-03
doi:10.3969/j.issn.0517-6611.2021.10.032
开放科学(资源服务)标识码(OSID):
Comparison on the Shooting Rhythm between Three Types Forest of Chimonobambusa utilis
FAN Mei-ling, FANG Shui-yuan, DONG You-shun et al
(Forestry Bureau of Tongzi County, Tongzi, Guizhou 563200)
Abstract [Objective]To explore the difference between natural forest and the law of shooting rhythm after afforestation with different source seedlings, the number of bamboo shoots was investigated during the shooting period. [Method]9 sites each 5 m×5 m in the Chimonobambusa utilis natural forest and 10-year-old forest from sources of Qingba and Huanglian were used to research the shooting rhythm of three forests. [Result]The results showed that there was a significant difference in shooting rhythm between new plantation by seed seedlings from two sources and natural forests, taking the number and quality of shooting as standard, the natural forest was optimal, the forest from Qingba seedlings was next, the forest from Huanglian seedlings was worst. [Conclusion]The study indicated that the optimal selection of seedlings in the early stage of afforestation has a direct effect on the quality of the forests.
Key words Chimonobambusa utilis;Shooting rhythm;Seedling selection
金佛山方竹(Chimonobambusa utilis)是高海拔地区优良的笋用竹种,隶属于禾本科竹亚科寒竹属植物,是我国西南高山地区特有的笋用竹种,其笋肉肥厚、味美鲜嫩,主要分布于大娄山山脉,包括重庆南川、贵州桐梓、正安、绥阳和云南镇雄等地[1]。金佛山方竹林在全国天然分布面积约为26 700 hm2,其中以遵义市桐梓县、正安县和绥阳县为分布中心,分布面积达23 300 hm2,桐梓县的原生方竹林面积资源占据绝对优势,分布面积达13 300 hm2,2004年被国家林业局誉为“中国方竹笋之乡”,2015年“桐梓方竹笋”获选为国家地理标志产品,2019年被中国林学会誉为“中国大娄山方竹之乡”[2]。据不完全统计,2002—2006年桐梓县共造竹15 300 hm2,2015—2017年将方竹定为“一县一业”后,大范围实施新造方竹8 500 hm2,2018年迎来了方竹产业发展的新机遇,大规模实施新造方竹16 667 hm2,2020年继续新造12 800 hm2,实现66 667 hm2方竹资源基地目标,推进竹产业形成“一产有、二产强、三产兴”的竹产业体系[3]。……
