Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Masao Yamada"'
Publikováno v:
Japanese Journal of Phytopathology. 65:543-548
Pre-inoculation with a suspension of 106conidia/ml of Exserohilum monoceras, a pathogen of Echinochloa species, within the 7 days prior to challenge inoculation with Pyricularia oryzae, reduced the number of rice blast lesions in the greenhouse, rega
Publikováno v:
Japanese Journal of Phytopathology. 61:555-561
Annual bluegrass (Poa annua L.) samples were collected from several areas of Japan from 1991 to 1993. Eighty-nine isolates of Xanthomonas-like bacteria which caused wilting of annual bluegrass leaves upon artificial inoculation were isolated. Isolate
Autor:
Ryoso Honkura, Yoshio Miura, Hideaki Negishi, Takane Fujimori, Seiko Imaizumi, Masao Yamada, Hiroshi Tanaka, Yukio Harada
Publikováno v:
Japanese Journal of Phytopathology. 58:766-768
Autor:
Hiroshi Yaegashi, Masao Yamada
Publikováno v:
Japanese Journal of Phytopathology. 50:664-667
Autor:
Tomio Yamaguchi, Masao Yamada, Tetsuya Hirano, Shigehisa Kiyosawa, Kinya Kushibuchi, Shinji Watanabe, Takashi Kobayashi
Publikováno v:
Japanese Journal of Phytopathology. 42:216-219
Publikováno v:
Japanese Journal of Phytopathology. 49:143-147
病斑高率と発病株率の両者から,本病による減収量を算出する方法を検討した。全体の被害度(D)は病斑高率から求めた発病株の被害度,Y=1.62X-32.4(Xは最高病斑高率)に発病株率(A)を乗ずるこ
Publikováno v:
Japanese Journal of Phytopathology. 48:199-209
Using the data on race frequencies of blast fungus through Japan obtained by Yamada et al.33), multiple regression analyses were carried out to get an equation for predicting frequencies for virulence genes in each prefecture in Japan. Resistance gen
Publikováno v:
Japanese Journal of Phytopathology. 48:499-505
品種越路早生を供試し,異なる温・湿度条件下におけるイネ紋枯病の菌糸および病斑の上位進展,出穂後の日数の経過と本病に対する感受性の変化を検討し,1日ごとの病斑進展のモデル曲線
Autor:
Hiroshi Yaegashi, Masao Yamada
Publikováno v:
Japanese Journal of Phytopathology. 52:225-234
A total of 130 isolates of Pyricularia oryzae from 6 countries were tested for the identification of pathogenic race and mating type. The number of races identified from country of origin was, Soviet Union-3 Japanese races [3 international races], Ch
Autor:
Masao Yamada, Teruyoshi Hashiba
Publikováno v:
Japanese Journal of Phytopathology. 47:464-471
Sclerotia of Rhizoctonia solani (Sasakii type) formed on rice plants were more resistant to high temperature and high humidity levels than those formed on potato-sucrose-agar (PSA). Sclerotia formed on rice plants has high proportions of “empty”