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笋竹产业是四川秦巴山区生态经济建设的重要切入点,丛生竹引种及资源培植是构建区域笋竹基地周年产笋的关键。冬季低温冻害是丛生竹引种及资源培植的主要制约因子。通过对12个竹种定植3年的冻害监测分析,各丛生竹均有不同程度的冻害,冻害程度在不同的地点、不同的竹种和不同的丛龄间存在极显著差异。纬度梯度冻害程度要大于海拔梯度,但在山地立地条件下,海拔控制尤为重要。推荐了5个适宜四川秦巴山区域低山河谷、丘陵区立地条件的丛生竹竹种。
Shoot bamboo industry is an important entry point for the eco-economic construction of Qinba mountainous area in Sichuan. The introduction of bamboo and the cultivation of resources are the key to the annual bamboo shoot production in the region. Low temperature frost damage in winter is the main restraining factor for the introduction and resource cultivation of clump of bamboo. Through monitoring and analyzing the frost damage of 12 bamboo species for three years, each bunch of bamboo has different levels of frost damage, the degree of frost damage is in different places, and there are extremely significant differences among different bamboo species and different cluster ages. Latitude gradient frost damage degree is greater than the altitude gradient, but the mountain site conditions, elevation control is particularly important. Five suitable bamboo and bamboo species suitable for the site conditions of low mountain valley and hilly area in Qinba Mountain Area of Sichuan Province were recommended.