信阳大茶沟翅柃古茶树资源现状调查研究初报

The Preliminary Investigation Report of Xinyang Ancient Resourse Status in Dachagou

通过对大茶沟的古茶资源进行调查,摸清古茶树的分布地点、范围和数量,并对林木因子进行了测量,结果表明：信阳大茶沟古茶树为山茶科（Theaceae）柃属（Eurya Thunb）翅柃（Eurya alata Kobuski）;大茶沟古茶树主要分布在李家寨镇的旗杆村、南田村内,有集中群落,郁闭度最高可达到0.9以上。调查发现地径1cm以上古茶树37株,生长在海拔400~700m之间的山腰上,喜阴坡;地径1cm以下幼株若干,分布无规律。对大茶沟古茶资源的保护具有重要的社会价值和科研价值。

In this study it took an investigation of the ancient tea resourse in Dachagou to find out the locations,scope and numbers of ancient tea,it also measured tree factors. The sesults showed that Xinyang Dachagou ancient tea is tea camellia Eurya Fin Eurya;Dachagou ancient tea mainly distributed in town of Li Jia Zhai Qigan village and Nantian village,it had centralized community and its canopy density can reach 0. 9 or more. The survey found that it had 37 ancient tea tree had more than 1cm in diameter which like growth at shady in altitude of between 400m- 700 m mountainside; it had several young plants 1cm diameter or less which irregular distribution. So it had great important social value and scientific value to protect the natural sesourse of Dachagou ancient tea.