兰州地区常用冷地型草坪草绿期观测试验

本研究是在草坪草引种栽培的基础上,对兰州地区常用的7个来源19个品种(种)24份材料的冷地型草坪草的绿期进行了定位观测。结果为:1.供试草种在兰州地区的绿期均长于暖地型草坪草的中华结缕草和野牛草,其中最长的是亘巴斯草地早熟禾,绿期为289 d,最短的是普通翦股颖(自产),绿期为218 d。2、供试草种间绿期差异较大,绿期最长的亘巴斯草地早熟未与绿期最短的普通翦股颖相差71d。

The Green Periods of Common Cool-zone Turfgrasses in Lanzhou Area

The green preiods of about 19 varieties of the common cool-zone turfgrasses which were from seven different regions, were studied on the basis of turfgrass introduction and cultural experiment in Lanzhou area.The results were; 1) the green periods of all the varieties studied were longer than those of the warm-zone Chinese lawngrass and buffalograss, of which, the wabash of Kentucky bluegrass was the longest,about 289 days, and the common bentgrass was the shortest, only 218 days; 2) The differences of the green periods among the varieties were very remarkable, going up to 71 days.