N a synthetic auxin widely used as a weedkiller; 2,4-dichlorophenoxyacetic acid 2，4-二氯苯氧乙酸
Reducing 2,4-D density is beneficial to callus reproduction.
降低2，4-D浓度有利于愈伤组织的增殖。
The results showed that: there was synergism to combination between 2,4-D butyl and fomesafen, fluazifop-p-butyl;
结果表明：2，4—D丁酯与氟磺胺草醚、精稳杀得混用具有提高除草效果的作用；
Bentazone and 2,4-D herbicides in drinking water and source water were determined by gas chromatography with ECD detector.
采用气相色谱ECD检测器同时分离检测水中灭草松和2，4-滴两种农药。
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