亚热带地区马蹄金草坪播种量的筛选  

Seeding Rate Selection of Dichondra Repens in Sub-tropical Areas

作　　者：杨春勐[1] 罗富成[1] 代微然[1] 任健[1] 单贵莲[1] 

机构地区：[1]云南农业大学草业科学系,云南昆明650201

出　　处：《草业与畜牧》2014年第5期34-37,共4页Pruataculture & Animal Husbandry

基　　金：云南省自然科学基金(No.2010CD061)资助

摘　　要：马蹄金是一种重要的地被植物,然而目前利用的种子依赖于进口,如何减少种子利用是生产中面临的问题。试验以马蹄金作为材料,按10、13、16、19、22g/m2进行播种,采用随机区组设计,通过相对生长速率、盖度、密度及草坪综合质量等指标测定,筛选出适宜亚热带地区的播种量。结果表明:播种量为19g/m2的条件下,生长80d后马蹄金草坪密度达到165.57株/米2,盖度为69.78%;与其他处理相比,播种量为19g/m2杂草发生率少,且盖度增加快,均一性好,综合质量最高(P<0.05)。因而,19g/m2可以作为马蹄金在亚热带地区建植草坪时的适宜播种量。Dichondra repens is a crucial vegetation in China which mainly rely on seed imports for planting. How to reduce the cost of seed expenses in production becomes more important. In this study, sowing rates of 10g/m2, 13g/m2, 16g/m2, 19g/m2, 22g/m2 were evaluated according to parameters like Relative growth rate, Coverage, Density and NTEP in order to select the optimal rate of Dichondra repens in sub-tropical areas. The results indicated that the density and coverage of Dichondra repens turf were 165.57 plants per square and 69.78%, respectively, when seeded at the rate of 19 g/m2. Compared to other seeds rates, there are fewer weeds in turf. Moreover,better turf coverage and uniformity were observed, which lead to the best compound turf quality（P0.05）. Therefore, it could conclude that the seedling rate of 19g/m2 is optimal for Dichondra repens to be used in sub-tropical areas.

关 键 词：马蹄金 盖度 密度 草坪质量 

分 类 号：S688.4[农业科学—观赏园艺]