1、日本國組合化學(xué)工業(yè)株式會社 日本、東京,必利必能新型稗草除草劑,2007年11月日,必利必能,通用名: pyriminobac-methyl 嘧草醚 化學(xué)名:Methyl 1,2-(4,6-dimethoxy-2-pyrimidinyloxy)-6-(1-methoxyimino ethyl)benzoate 他名稱: KIH-6127, KUH-920, HieClean CAS No. 136191-64-5 外觀: off-white powder,必利必能的特長：,對稗草有卓越的防除效果 阻礙已酰乳酸合成酶(ALS)的生成 適用時(shí)期寬(稗草的0-3葉期) 低使用藥量 (3g a.i./

2、a ) 對水稻高度安全 (水直播水稻，移栽水稻) 長持效 (約天) 低毒性,Acetolactate Synthase (ALS),Pyriminobac-methyl,Pyruvate,Acetolactate,2-Oxoisovalerate,Valine & Leucine,Threonine,2-Keto butyrate,2-Acetohydroxybutyrate,Isoleucine,作用機(jī)理,ALS Inhibition,吸収,枯死,莖葉吸收,水,土壌,作用機(jī)理,吸収,土壌吸收,発芽,(%),June, 1994 JAPR,稗草生育期,除草効果,除草活性,生育阻害率,(%),K

3、umiai Chemical,濃度 (ppb),Rice variety: Kinmaze,3.0L,2.5L,高度的選擇性,(%),February, 1991 Kumiai Chemical,施藥后時(shí)間（天）,除草効果,持效性衰減緩慢,(%),Application timing: 5DAT Rice variety: Kinmaze January, 1990 Kumiai Chemical,24 32oC,移植深度/溫度,生育情況,施藥量單位：畝,移栽田安全性評價(jià)：,12 20oC,18 26oC,生育情況,(%),Rice variety: Lemont Kumiai Chemica

4、l,施藥時(shí)期,350g,Dosage: 克/畝,水直播田安全性評價(jià)：,毒性,Carp: LC50(96): 30.9 ppm Daphinia carinata: LC50(24) 20.0 ppm,Acute toxicity (Oral:LD50) Bobwhite quail 2,000 mg/kg,Acute toxicity Bee/Dietaly feeding LD50 200 gai/bee Earthworms/Mixed directly in soil LC50(14days) 1,000ppm,Residue level in the plant Grain 0.004

5、 ppm Straw 0.004 ppm Below detectable limit,Fate in soil Pyriminobac-methyl is decreased rapidly,Fate in water Pyriminobac-methyl is decreased rapidly,必利必能 環(huán)保顯著,稗草,稗草枯死期,葉齡 0.5 1.0 1.5 2.0 2.5 3.0,施藥時(shí)期(必須在有水的條件下),吸收,必利必能單劑 Herbicidal efficacy,Echinochloa spp.,Monochoria vaginalis,Lindernia procumben

6、s,Ludwigia epilobioides,Bidens tripartita,Sagittaria trifolia,Cyperus difformis,Scirpus juncoides,Eleocharis kuroguwai,水田主要雑草, excellent good insufficient poor,Pyriminobac-methyl 3gai/a, ,Bensulfuron-methyl 5.1gai/10a, ,必利必能 + 混用農(nóng)得時(shí)或草克星, ,水直播稻最佳施藥時(shí)期：,(播種),-2 0 +6 +7 +8 +10 +12 +14 (播種后天數(shù)) (稗草葉齡) 1.0L 1.5L 2.0L 2.5L 3.0L,必利必能 + 農(nóng)得時(shí)或草克星,北方地區(qū),水直播稻最佳施藥時(shí)期：,(播種),-2 0 + + + (播種後日數(shù)) (葉齢) 1.0L 1.5L 2.L 3.0L,必利必能 + 農(nóng)得時(shí)或草克星,南方地區(qū),移栽田的最佳施藥時(shí)期：,-2 0 +5 +7 +9 +11 +14 (移植後日數(shù)) (葉齢) 1.0L 1.5L 2.0L 2.5L 3.0L,