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一、材料和方法 (一)试验材料试验地点:本所及市郊区、县。供试作物:水稻。品种:75106、中华9号。防除对象:稗草(Echinochloa crusglli L. Beauv.)、苦草(带子草)(Vallisneria spiralis L.),三棱草(Scirpus planicumis Pr Sclmit)。供试农药:50％稗草烯乳油(以下简称稗草烯),吉林省扶余华侨农场化工厂产。25％西草净可湿性粉剂,吉林市农药厂产。25％除草醚可湿性粉剂,北京农药二厂产。 (二)试验方法
First, materials and methods (A) Test Materials Test Location: The Institute and suburban districts and counties. Test crops: rice. Varieties: 75106, China 9. Control objects: Echinochloa crusglli L. Beauv., Vallisneria spiralis L., Scirpus planicumis Pr Sclmit. Test pesticides: 50% barnyard grass EC (hereinafter referred to as barnyard grass), Jilin Province Fuyu Huaqiao farms chemical plant production. 25% West grass net WP, Jilin Pesticide Factory production. 25% weeding ether WP, Beijing Pesticide Factory production. (B) test methods