55%苯磺·二甲·唑WP防除小麦田阔叶杂草的效果

Effect of Tribenuron-methyl+MCPA-Na+Carfentrazone-ethyl 55% WP on Broad-leaved Weeds in Wheat Field

田间试验结果表明,55%苯磺·二甲·唑WP600～750g/hm2能有效地防除小麦田阔叶杂草。药后50d,对猪殃殃、荠菜、大巢菜、泥胡菜的株防效达96.9%～99.1%,鲜重防效达到99.3%～99.8%,对小麦安全,增产显著,小麦增产达15.91%～18.72%。

According to the result of field trial, it is showed that the formulation product of tribenuron-methyl＋MCPA- Na＋carfentrazone2ethyl 55% WP can control effectively broad-leaved weeds in the wheat field at the level of 600 to 700 g/hm2. Fiftieth days after＇spraying, the control efficacy to individual plant and fresh weight can be reached 96.9% to 99.1% and 99.3% to 99.8% respectively for the broad-leaved weeds, such as Galium aparine L vat tenerun Rchb, Capsella bursa-pastoris （L） medic, Vicia satira L and Hemistepta lyrata bunge .It is safe to wheat and the yield of wheat increases 15.91% to 18.72%.