摘要
Abstract
For the purpose of relief phytotoxicity ,reducing loss ,the effect of different dosage of Nicosulfuron spraying at different leaf ages on the grow th situation of Suiyu No .7 was studied .It conclude the safety dose , phytotoxicity dose and their application stages .The results showed that 3 ~ 5 leaf age with safe to maize ,spra-ying Nicosulfuron at 6 ~ 7 leaf age with 2 500 ~ 3 000 mL・hm-2 could cause phytotoxicity .关键词
烟嘧磺隆/药害/叶龄Key words
Nicosulfuron/phytotoxicity/leaf age分类
农业科技
