摘要
通过对八角林下种植的15种禾本科牧草的存活率、株高、产量、病级、虫级及长势等6项指标进行了测定与分析,利用隶属函数法综合开展其生长适应性评价研究。结果表明,在广西南宁地区,自然生长状态下多数参试牧草品种均能生长良好,其中高丹草(健宝)(Sorghum bicolor×S.sudanense)(Jumbro)的单位面积产量最高,其与美洲杂交狼尾草(Pennisetum americanum×P.purpureum)、狼尾草(斗牛)Pennisetum alopecuroides(L.)Spreng的综合评价得分中明显优于其他品种,而紫羊茅(Festuca rubra)在八角林下的生长适应性表现最差。
The survival rate, tree height, yield, disease and pet resistance, and vigor of 15 gramineous forages under Illicium verum were measured and analyzed to comprehensively evaluate their growth adapt-ability by using membership function. The results showed that in Nanning of Guangxi, most of gramineous forages could grow well in nature state, among which Sorghum bicolor × S. sudanense （ Jumbro） had the highest yield per unit area, and the comprehensive evaluation of Sorghum bicolor × S. sudanense（ Jumbro） with Pennisetum americanum × P. purpureum and Pennisetum alopecuroides （ L. ） Spreng was significant-ly better than the others. The growth adaptability of Festuca rubra under Illicium verum was the worst.
出处
《广西林业科学》
2014年第4期351-356,共6页
Guangxi Forestry Science
基金
国家林业公益性行业科研专项(201204610)
关键词
林下种植
八角林
禾本科牧草
适应性
underwood planting
Illicium verum
gramineous forage
adaptability
