4种谷田除草剂的安全性评价  

Safety Evaluation of Four Kinds of Herbicides in Millet Field

作　　者：赵凯[1] 马建萍[1] 独俊娥[1] 吕建珍[1] ZHAOKai;MA J ianping;DUJune;LU Jianzhen(Ins titute of Crop Sciences,Shanxi Academy of Agricultural Sciences,Taiyuan 030031,China)

机构地区：[1]山西省农业科学院作物科学研究所,山西太原030031

出　　处：《山西农业科学》2018年第6期1009-1012,1052,共5页Journal of Shanxi Agricultural Sciences

基　　金：现代农业产业技术体系建设专项(CARS-06-13.5-B8);山西省农业科学院生物育种工程项目(17yzgc090)

摘　　要：采用随机区组试验,对不同除草剂不同用量处理下的谷子不同生育期株高、穗质量、穗粒质量及理论产量进行取样调查,为春谷谷田除草剂的安全使用提供科学依据。结果表明,苗前使用38%莠去津1 500~2 250 m L/hm2对植株株高影响较小,用量为2 250 m L/hm2时理论产量最高;谷友安全性较好的使用量为1 500 g/hm2;苗后(3~5叶期)38%莠去津安全使用量为1 500~2 250 m L/hm2;2,4-D丁酯的安全使用量为750 m L/hm2;二甲四氯钠安全使用量为1 500 g/hm2。通过对株高影响及理论产量的试验,建议使用的除草剂为播后苗前38%莠去津2 250 m L/hm2,或播后苗前谷友1 500 g/hm2。The random zone test was used to investigate the plant height, ear quality, grain quality and theoretical yield of different herbicides at different growth stages. The aim is to provide scientific basis for safe use of millet herbicide. The results showed that the use of 38% atrazine 1 500-2 250 m L/hm2 before seedling had little effect on plant height, and the highest yield was 2 250 m L/hm2. The safe usage of Guyou was 1 500 g/hm2, and the safe use of 38% atrazine after seedling（3-5 leaf stage）was 1 500-2 250 m L/hm2. The safe use of 2,4-D butyl ester was 750 m L/hm2. The safe use of MCPA-Na was 1 500 g/hm2. Through the test of the influence of plant height and theoretical yield, the recommended herbicide is 2 250 m L/hm2 of 38% atrazine after seeding, or 1 500 g/hm2 of Guyou after seeding.

关 键 词：谷子 除草剂 安全性 

分 类 号：S482.4[农业科学—农药学]