80%莠灭净防除蔗田杂草药效评价

Effect of 80% ametryn on controlling weeds in sugarcane field

田间试验结果表明，80％莠灭净可湿性粉剂对蔗田禾本科及阔叶杂草有较好防除作用，按1950～3000g／hm^2用量于杂草2～5叶期喷施，药后30d，综合防效达95％以上，能有效控制蔗田中各种杂草的为害。

Field test results showed that when 80% ametryn with 1,950-3,000g/hm^2 was spayed on weed at 2-5 leaves stage in sugarcane field could have a good control on gramineae and broadleaf weed, and the integrated effect was over 95% for 30 days after spaying, it could effectively control the damage of all kinds of weed in sugarcane field.