夏季狗牙根草坪不同建植方法及秋季交播黑麦草对成坪效果的影响

以狗牙根Cynodon dactylon种子和营养体为材料，在武汉地区，对5种不同建植方法建成的草坪从盖度变化、成坪时间、均一性、建植成本及秋季交播多年生黑麦草Lolium perenne后翌年狗牙根的草坪质量等方面进行综合比较。结果表明：采用夏季建植狗牙根草坪并于秋季交播多年生黑麦草的方法来建植四季常绿草坪，狗牙根采用撒茎覆沙法效果最佳，其他方法依次为开沟埋茎法、闻铺草皮法、穴植草茎法；种子直播法在翌年需重新建坪。

The effect of different establishment methods of Bermuda grass in summer and overseeding with perennial ryegrass in autumn on turf stands

The seeds and explants of Cynodon dactylon were used for turf establishment, five establishment methods were compared from cover change, time need for turf stands, uniformity, establishment cost and overseeding with perennial ryegrass in Autumn in Wuhan. The results showed that Cynodon dactylon should be used for evergreen turf establishment in Summer and overseeded with perennial ryegrass in Autumn. The best way was spreading Cynodon dactylon stems before covering with sand, the second was flowing and burying stems, followed by spaced sod laying, dibbling stems and seed direct sowing.