| 丁新华3#*, 王小武1#, 蒋旭东2, 李双建2, 付开赟3, 吐尔逊·阿合买提3, 何 江3, 郭文超3*.2种增效剂对春玉米田除草剂的减量增效作用[J].植物保护,2022,48(1):297-304. |
| 2种增效剂对春玉米田除草剂的减量增效作用 |
| Decrement and synergistic effect of two synergist on herbicides in spring corn field |
| 投稿时间：2020-10-09 修订日期：2020-11-18 |
| DOI：10.16688/j.zwbh.2020525 |
| 中文关键词: 杂草防除 春玉米田 除草剂 减量效应 增效剂 |
| 英文关键词:weed control spring corn field herbicide decrement effect synergist |
| 基金项目:自治区重点研发计划任务专项(2021B02002-2) |
| 作者 | 单位 | E-mail | | 丁新华3#*, 王小武1#, 蒋旭东2, 李双建2, 付开赟3, 吐尔逊·阿合买提3, 何 江3, 郭文超3* | 1. 新疆农业科学院微生物应用研究所, 新疆特殊环境微生物重点实验室, 乌鲁木齐 830091
2. 新疆农业大学农学院, 乌鲁木齐 830052
3. 新疆农业科学院植物保护研究所, 农业农村部西北荒漠绿洲作物有害生物综合治理重点实验室, 乌鲁木齐 830091 | 丁新华dingxinhua1984@163.com;郭文超 gwc1966@163.com |
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| 中文摘要: |
| 为了明确2种增效剂对除草剂的减量效应, 为除草剂科学减施及增效剂安全使用提供数据基础，2019年在西北荒漠绿洲生态区春玉米田, 以38.5%硝·精·莠去津CS和26.7%噻隆·异噁酮 SC作为茎叶处理剂, 测定了激健和辉丰2种增效剂在不同施药剂量下的除草效果。结果表明:在38.5%硝·精·莠去津CS 2 310 mL/hm2和26.7%噻隆·异噁酮SC 120.15 mL/hm2的推荐剂量下, 或在它们减量15%和30%单施的情况下, 38.5%硝·精·莠去津CS对玉米田杂草的防效均优于26.7%噻隆·异噁酮 SC;2种药剂减量15%和30%后, 在同等剂量下添加增效剂的处理优于药剂单用, 激健的效果优于辉丰;药剂减量15%的处理效果优于减量30%的处理。因此, 在该生态区春玉米田茎叶处理除草剂可选用38.5%硝·精·莠去津CS, 推荐有效剂量为1 617~1 963.50 mL/hm2, 增效剂选用激健, 推荐商品用量为120.15 mL/hm2。 |
| 英文摘要: |
| The effect of reducing herbicide with synergist as the data basis for the herbicide reduction application was clarified in the study. The influence of two synergists Jijian and Huifeng on herbicide at different dosages were tested in the field where mesotrione·dexamethasone·atrazine 38.5% CS and thiencarbazone methyl·isoxaflutole 26.7% SC were used as the herbicides for the treatment of stems and leaves in the spring corn area of northwest desert oasis ecological zone in 2019. The results showed that mesotrione·dexamethasone·atrazine 38.5% CS was better than thiencarbazone methyl·isoxaflutole 26.7% SC when applied alone under the recommended dosage level (2 310 mL/hm2 and 120.15 mL/hm2) or on the basis of this level reducing 15% dosage and 30% dosage. When the dosage of mesotrione·dexamethasone·atrazine and thiazsulfuron·methly·isoxone were reduced by 15% (30%) and synergists Jijian and Huifeng were separately added, two synergists both had significant synergy on mesotrione·dexamethasone·atrazine 38.5% CS and thiencarbazone methyl·isoxaflutole 26.7% SC (P<0.05). Under the same herbicide dosage, Jijian was better than Huifeng and the effect was the worst when just using single herbicide. The herbicidal effect of 30% dosage reduction was lower than that of 15% reduction. Therefore, mesotrione·dexamethasone·atrazine 38.5% CS can be chosen for the stem and leaf treatment in the spring corn field in the zone, and its applied dosage 1 617-1 963.50 mL/hm2 were recommended with synergist Jijian at the dosage 120.15 mL/hm2. |
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