新型除草剂防除狼毒效果研究

Study on the Effect of A New Herbicide on Control of the Stellera Chamaejasme L.in the Degraded Grassland.

应用中国科学院寒旱所研制的新型除草剂———43.2%'灭狼毒'超低容量制剂在狼毒盛花期采用1.05l/hm2的施药量叶面喷雾,可使受药狼毒的死亡率达到95%以上,死亡狼毒植株次年返青率不足1%,而且能有效抑制草地狼毒群落,促进禾本科牧草生长,对草地可食牧草和非靶标生物安全。

A new type of herbicides was used to control the'Weed and Poisonous plants Type'that caused the grassland degradation.It was manufactured by Cold and Arid Regions Environmental and Engineering Research Institute,CAS.The examination result showed that when spraying fog on the leave surface with 1.05 l/hm^2 during the bloom period,the death rate of Stellera chamaejasme L.can be over 95%,and the survive rate of Stellera chamaejasme L.in the next spring will not be more than 1%.Moreover,it can effectively control the community of the Stellera chamaejasme L.and can promote the grouth of gramineous grass.The results also showed that the herbicide is safe to other plant and animal.It can be applied on the degraded grassland to control the poisonous plant of Stellera chamaejasme L.