刚竹属竹种是我国竹林生产的主要经营对象之一。据初步统计,刚竹属竹种的面积、蓄积和产量均占到全国竹林总面积、蓄积和产量的80%以上,而且其分布和用途也最广。刚竹属的不同竹种,出笋的时间不同,如在浙北地区旱竹(Phyllostachys.SP.nov)出笋最早,始于3月下旬,最迟出笋的是五月季竹(Ph.barnbusoides)和浙江刚竹(Ph.virid-is),在4月下旬或5月上旬才开始出笋,其 Bamboo is a bamboo species is China’s main business of bamboo production one of the objects. According to preliminary statistics, the bamboo bamboo species area, accumulation and production account for the total area of ​​bamboo forests, storage and production of more than 80%, but also the distribution and use of the most extensive. Phyllostachys different bamboo species, bamboo shoots at different times, such as in northern Zhejiang Province bamboo (Phyllostachys.SP.nov) shoots the earliest, beginning in late March, the latest is the May shoot bamboo (Ph. barnbusoides and Ph.virid-is, shoots started in late April or early May,