研究了拌种剂、喷雾剂及颗粒剂等不同剂型、不同药剂对小麦纹枯病的田间控病效果 ,结果表明 :各供试药剂对小麦纹枯病均有一定的控制效果。用量为 15 g/ 2 0 kg、12 g/ 2 0 kg和 9g/ 2 0 kg的颗粒剂 ,包衣剂 ,三秀拌种剂 ,三福拌种剂及拔节期三敌喷雾的控病效果分别为 :5 6 .33%、5 4.8%、5 0 .36 %、49.10 %、5 1.80 %、49.6 5 %、49.90 %。同种药剂 ,拔节期喷雾的控病效果优于孕穗期的控病效果。此外 ,三秀拌种剂和拔节、孕穗期用三敌喷雾对小麦白粉病的控病效果较好 ,分别为 6 3.32 %、5 5 .2 4%和 6 4.0 2 %。 The field control effects of different formulations and different pesticides on wheat sheath blight were studied. The results showed that all tested pesticides had control effects on sheath blight of wheat. The control effects of granules, coating agent, Sanxiu seed dressing, Sanfu seed dressing and three enemy enemies spraying at the dosage of 15 g / 20 kg, 12 g / 20 kg and 9g / 20 kg They were: 56.33%, 5.48%, 50.36%, 49.10%, 5 1.80%, 49.65%, 49.90% respectively. The same kind of medicament and jointing spray control effect is better than booting stage control effect. In addition, the three show seed dressing and jointing, booting with three enemy spray control of wheat powdery mildew better control effect, respectively 6 3.32%, 5 5 .2 4% and 6 4.0 2%.