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- Title
甲基二磺隆与唑啉草酯混用对麦田节节麦和 多花黑麦草的防治效果.
- Authors
吴仁海; 徐洪乐; 孙兰兰; 苏旺苍; 魏红梅; 薛飞; 鲁传涛
- Abstract
To develop effective herbicides to control Aegilops tauschii and Lolium multiflorum in wheat fields,the synergistic effect of mesosulfuron⁃methyl mixed with pinoxaden was determined by indoor and field trials. The results of indoor test showed that when mesosulfuron⁃methyl∶pinoxaden was 1∶1,1∶2, 1∶3,1∶4,1∶6,the cotoxicity coefficient(CTC) to control Lolium multiflorum was 37. 37,189. 10, 287. 08,259. 37,101. 80,respectively,indicating that when the ratio of mesosulfuron⁃methyl and pinoxaden was 1∶2—1∶4,it had a significant synergistic effect. When mesosulfuron⁃methyl was mixed with 1,2,4,8 times of pinoxaden,the control effects on A. tauschii were 1. 50,1. 76,3. 66 and 5. 65 times of mesosulfuron⁃methyl. When the mixture of mesosulfuron⁃methyl and pinoxaden(1∶4)was at the dosage of(30+120),(60+240),(120+480)g/ha,the inhibition rate on wheat was 10. 28%—34. 43%, and the addition of the safener mefenpyr⁃diethyl could restore the growth of wheat to the normal level (spraying water). The control effect on A. tauschii with the mixed treatment of 3% mesosulfuron⁃methyl OD 18 g/ha+5% pinoxaden EC 45—67. 5 g/ha was 89. 28%—91. 83%,which was significantly higher than that with 3% methyldisulfuron OD 18 g/ha(83. 28%). The results of regional test showed that the treatment of 3% mesosulfuron⁃methyl OD 13. 5 g/ha+5% pinoxaden EC 54 g/ha generated fresh weight control effect of 99. 79% on L. multiflorum and wheat yield increased by 17. 43%. Above all,the mixture of mesosulfuron⁃methyl and pinoxaden has a good application prospect in controlling A. tauschii and L. multiflorum.
- Subjects
ITALIAN ryegrass; AEGILOPS; WHEAT; DRUG dosage; MIXTURES; HERBICIDES
- Publication
Journal of Henan Agricultural Sciences, 2022, Vol 51, Issue 6, p103
- ISSN
1004-3268
- Publication type
Article
- DOI
10.15933/j.cnki.1004⁃3268.2022.06.011