草铵膦在杂交狗牙根交播黑麦草草坪建植中的应用研究  

Effect of glufosinate application on turf establishment of bermudagrass overseeded with perennial ryegrass

作　　者：马燕青 

机构地区：[1]上海燕青园林工程有限公司,上海201402

出　　处：《草原与草坪》2017年第5期80-84,共5页Grassland and Turf

摘　　要：研究了不同剂量草铵膦对杂交狗牙根(Cynodon dactylon)交播多年生黑麦草(Lolium perenne)草坪的质量调控效果。结果表明:低剂量草铵膦处理(225,450 g/hm2)对杂交狗牙根草坪的色泽没有显著的影响,但能够显著抑制杂交狗牙根的生长,而中、高剂量处理则对杂交狗牙根草坪的色泽有显著的负面影响;所有草铵膦处理对多年生黑麦草的萌发没有影响,且能够显著改善交播草坪的冬季色泽,450g/hm2剂量处理的冬季色泽均能维持在90%;低剂量草铵膦处理(225,450 g/hm2)对杂交狗牙根草坪的春季返青没有显著的影响,但中、高剂量的草铵膦处理则对杂交狗牙根的春季返青造成了严重的负面影响,显著延迟了杂交狗牙根的春季返青进程。试验表明450 g/hm2的草铵膦处理是交播草坪最适宜的应用剂量。Effects of glufosinate application on turf quality of bermudagrass overseeded with perennial ryegrass were studied.The result indicated that low dose of glufosinate（ 225 to 450 g/ha） application did not show significant effect on green retention rate of bermudagrass,but significantly inhibited bermudagrass growth.The high dose of glufosinate application shown significantly negative effect on color retention rating of bermudagrass.Glufosinate application did not affect the germination of perennial ryegrass,but improved green retention rate in winter. The color retention rating was over 90%when applied with a dose of 450 g/ha.Low dose（ 225 to 450 g/ha） application has no significant effects on the regreening of bermudagrass,but the regreening was significantly reduced at high dose（ 〉450 g/ha）. It could be conclude that450 g/ha was the best dose for bermudagrass turf overseeded with perennial ryegrass.

关 键 词：草铵膦 杂交狗牙根 多年生黑麦草 交播 

分 类 号：S688.4[农业科学—观赏园艺]