Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Yukiyoshi Takahi"'
Autor:
Hisaki Kajino, Hideo Takeshiba, Takahiro Tsukiyama, Junzo Tobitsuka, Hiroyuki Itoh, Yukiyoshi Takahi, Mikio Tsuda, Hiroshi Ohta
Publikováno v:
Bioorganic & Medicinal Chemistry. 10:4029-4034
Enhancement of magnesium bromide diethyl etherate in addition reaction of trimethylsilylmethylmagnesium chloride 5 to 2-(1H-1,2,4-triazol-1-yl)acetophenones 6 allowed us to prepare silicon-containing azole derivatives, which were tested for fungicida
Autor:
Hiroshi Ohta, Yukiyoshi Takahi, Mikio Tsuda, Hideo Takeshiba, Hiroyuki Itoh, Junzo Tobitsuka, Rieko Yoneda
Publikováno v:
Chemicalpharmaceutical bulletin. 51(9)
A new series of azole derivatives of 1-triazolyl-4-trimethylsilyl-2-butanol and 1-triazolyl-5-trimethylsilyl-2-pentanol were synthesized and evaluated for fungicidal activities against rice blast, sheath blight, and powdery mildew on barley. The deri
Autor:
Hiroshi Ohta, Hiroyuki Itoh, Noriki Hayashi, Hideo Takeshiba, Hisaki Kajino, Rieko Yoneda, Junzo Tobitsuka, Matsuhisa Tadashi, Yukiyoshi Takahi, Mikio Tsuda
Publikováno v:
ChemInform. 31
A new series of azole derivatives containing silicon were synthesized and evaluated for fungicidal activity against rice sheath blight by submerged application. Among them, 2-(4-fluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-trimethylsilylpr opan-2-ol (9a
Autor:
Hiroshi Ohta, Yukiyoshi Takahi, Hisaki Kajino, Mikio Tsuda, Rieko Yoneda, Hideo Takeshiba, Matsuhisa Tadashi, Hiroyuki Itoh, Noriki Hayashi, Junzo Tobitsuka
Publikováno v:
Chemicalpharmaceutical bulletin. 48(8)
A new series of azole derivatives containing silicon were synthesized and evaluated for fungicidal activity against rice sheath blight by submerged application. Among them, 2-(4-fluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-trimethylsilylpr opan-2-ol (9a
Publikováno v:
Japanese Journal of Phytopathology. 40:354-361
Effects of a number of 3-hydroxyisoxazole derivatives substituted at 4 and/or 5 position of isoxazole ring on cucumber Fusarium wilt (Fusarium oxysporum f. cucumerinum) and cucumber seedling damping-off (Corticium rolfsii, Pythium aphanidermatum), an
Publikováno v:
Japanese Journal of Phytopathology. 41:321-328
The mode of action of hymexazol against Pellicularia sasakii was studied. When the living mycelium of P. sasakii was incubated in aqueous solution of hymexazol for 24hr, a decrease in dry mycelial weight caused. Measurable decrease occurred at 50ppm,
Publikováno v:
Japanese Journal of Phytopathology. 51:159-167
4種類の土壌(田無土壌,岩手土壌,三上-I土壌,野洲土壌)を用いてイネを箱育苗した際,出芽時に低温にあうと出芽前後の幼芽,幼根が腐敗あるいは褐変して枯死に至る苗立枯病が発生した。罹
Publikováno v:
Japanese Journal of Phytopathology. 42:242-252
Fusarium oxysporum f. cucumerinum was sensitive to hymexazol (3-hydroxy-5-methylisoxazole, soil fungicide, Tachigaren®), whereas Saccharomyces cerevisiae was tolerant. Growth of F. oxysporum f. cucumerinum in the liquid culture medium was considerab
Publikováno v:
Japanese Journal of Phytopathology. 51:168-175
3種類の土壌(田無土壌,岩手土壌,三上-II土壌)を用いてイネを箱育苗した際,特に育苗中・後期に低温にあうと,2∼3葉期のイネ苗が急に萎凋して枯死する症状の苗立枯病が発生した。これら
Publikováno v:
Japanese Journal of Phytopathology. 40:383-391
The metabolism of hymexazol (3-hydroxy-5-methylisoxazole) in soil was studied by using 14C-labeled chemical (14C-labeled at the 3 position on the isoxazole ring) to obtain fundamental information on its persistence in disease controlling activity and