龙须草分蘖规律初探  

A Primitive Study of the Law of Tillering of the Chinese Alpine Rush

作　　者：张友德[1] 张君芝[1] 梅方竹[1] 周大明 胡德林 王元富 

机构地区：[1]华中农业大学,武汉430070 [2]湖北省郧县科委

出　　处：《中国水土保持》1993年第3期37-40,共4页Soil and Water Conservation in China

摘　　要：龙须草分蘖特性与禾本科多数植物类似,但是其分蘖能力极强,一颗种子苗一年可分百蘖以上。龙须草分蘖的多寡、快慢与品种、播种期、移栽期、温度、水分、光照、坡向和养分等因素有关,其中温度和水分是主导因子。龙须草耐旱性虽强,但以70％左右的田间持水量对分蘖最为有利。水热同步的夏季为龙须草分蘖高峰期。The tillering capacity of the Chinese alpine rush is strong, one seed can be tillering more than 100 times. The more or few, fast or slow of tillering the Chinese Alpine rush is related to breed, sowing time, transplanting time, temperature, moisture content, illumination slope direction and nutrient, among which temperature and moisture content are leading factors. Although the Chinese alpine rush is a drought-enduring plant, yet the 70% field water with holding capacity is most beneficial to tillering. Tillering reaches its peak period in summer when temperature and heat are synchronous.

关 键 词：龙须草 分蘖规律 温度 土壤水分 

分 类 号：S157.433[农业科学—土壤学]