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- Title
10 种助剂对玉米田除草剂烟·硝·莠的增效作用及其安全性研究.
- Authors
苏旺苍; 郝红丹; 徐洪乐; 孙兰兰; 吴仁海
- Abstract
In order to screen the best adjuvants which have enhanced effect on the herbicide nicosulfuron • mesotrione • atrazine in corn field, a field trial was carried out to compare the enhanced effect of ten adjuvants on nicosulfuron • mesotrione • atrazine. The results showed that the tested adjuvants enhanced the activity of nicosulfuron • mesotrione • atrazine differently, and had no adverse influence on corn. At 14 days after application of herbicide, the control levels on weeds of the treatments with GY-S903 or GY-W07 added into 544.5 g/ha nicosulfuron • mesotrione • atrazine were generally higher than the treatments with other adjuvants added, indicating that GY-S903 and GY-W07 could enhance the effect of nicosulfuron • mesotrione • atrazine obviously. Total control effects on plant number of weeds of the treatments with Biopower, GY-S903, GY-W07,multifunctional herbicide synergist, organic silicon,and Quelex’s adjuvants added into 544.5 g/ha nicosulfuron • mesotrione • atrazine were 76.8%, 79.9%, 80.6% ,78.9%, 77.9%, and 78.3%, respectively, showing no significant difference from the treatment of 762.3 g/ha nic-osulfuron • mesotrione • atrazine. Among the adjuvants, the enhanced effect of GY-W07 on nicosulfuron • mesotrione • atrazine was the best. At 28 days after application of herbicide, total control effects on plant number of weeds of the treatments with GY-S903 and GY-W07 added into 544.5 g/ha nicosulfuron • mesotrione • atrazine were 92.8% and 94.2% respectively, which were significantly higher than the treatment of 544. 5 g/ha nicosulfuron • mesotrione • atrazine,but not significantly different from the treatment of 762.3 g/ha nicosulfuron • mesotrione • atrazine. Fresh weight control effect of the treatment with GY-W07 added into 544.5 g/ha nicosulfuron • mesotrione • atrazine was 93.7%, which was not significantly different from the treatment of 762. 3 g/ha nicosulfuron • mesotrione • atrazine. In a comprehensive comparison, adjuvants GY-S903 and GY-W07 have best enhanced effect on the herbicide nicosulfuron • mesotrione • atrazine, followed by multifunctional herbicide synergist.
- Subjects
HERBICIDE application; WEED control; EFFECT of herbicides on plants; ATRAZINE; HERBICIDES; WEEDS; CORN
- Publication
Journal of Henan Agricultural Sciences, 2019, Vol 48, Issue 8, p95
- ISSN
1004-3268
- Publication type
Article
- DOI
10.15933/j.cnki.1004-3268.2019.08.014