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Volume 13 (1949)
- Issue 3-4 Pages 1-
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Volume 13, Issue 3-4
Displaying 1-21 of 21 articles from this issue
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E. C. STAKMAN1949 Volume 13 Issue 3-4 Pages 1-2
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Yoshihiro HOSHINO1949 Volume 13 Issue 3-4 Pages 3-6
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
JOURNAL FREE ACCESSThe Fusarium wilt disease of potatoes is prevalent in certain districts of Hokkaido and causes severe damage on the crop in recent years. The author described the symptoms in full and isolated 3 species of Fusaria from the affected potato plants, namely Fusarium oxysporum SCHLECHT. f. 1 WR., a variety of Fusarium Solani APP. et WR., and Fusarium avenaceum SACC. Among these Fusaria, Fusarium oxysporum SBHL. f. 1 WR. and a variety of Fusarium solani APP. et WR. were pathogenic and they caused typical potato wilt in infection experiments. The variety of F. solani was markedly virulent. The toxicity of fungus filtrates was proved to cause the wilting of the cuttings of potato shoots by experiments. Fusarium avenaceum, however, seems to cause only the rottings of stored potatoes and not the wilting in the field. (Jan., 1948)View full abstractDownload PDF (773K) -
Yoshiteru KUMAMOTO1949 Volume 13 Issue 3-4 Pages 7-10
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Shigeyasu AKAI1949 Volume 13 Issue 3-4 Pages 11-13
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Kosaburo ONO1949 Volume 13 Issue 3-4 Pages 14-18
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Hazime YOSHII, Saburo KOBA, Bunkichiro WATANABE1949 Volume 13 Issue 3-4 Pages 19-22
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Takewo HEMMI, Masaki YAMAMOTO, Kiyo YAMAKURA, Teruko KUSAKABE1949 Volume 13 Issue 3-4 Pages 23-25
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Takuken MATUO1949 Volume 13 Issue 3-4 Pages 26-28
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
JOURNAL FREE ACCESSCotton plants at various growing stages were inoculated with a culture of Corticium vagum B. et C., isolated from a cotton seedling. The results of experiments showed that the cotton plant was invaded by the fungus throughout the growing stages. The susceptibility seems, however, to be reduced as the plant grows older. Percentage of infection of the seedlings was higher in wet soil than in dry soil but no remarkable difference was found as to grown plants.
Inoculation experiments with the same fungus upon the grown-up hemp, abutilon, jute and flax showed that the isolate was also pathogenic to these fibre-plants tested.View full abstractDownload PDF (515K) -
H. ASUYAMA, T. HIRAI1949 Volume 13 Issue 3-4 Pages 29-32
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Seiya ITO, Daiki MURAYAMA1949 Volume 13 Issue 3-4 Pages 33-36
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Hiromu YOSHII1949 Volume 13 Issue 3-4 Pages 37-40
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
JOURNAL FREE ACCESS1) The filtrate of a Cephalothecium sp. from 2-months old culture in Tochinai's nutrient solution has been tested for effect upon the germination of conidia of Piricularia oryzae and growth of rice seedlings.
2) The filtrate was found capable of inhibiting completely the germination of conidia, when diluted 1:32. At a dilution of 1:64, it allowed to germinate and form appressoria in a few con idia. It checked remarkably up to a dilution of 1:128.
3) Since the pH of the filtrate (7.0) and osmotic pressure (0.4-0.5mol in sucrose) was not inhibitory, it may be considered that the toxity of the filtrate is attributed to the metabolic product of Cephalothecium.
4) No effect was observed upon the consequent growth of rice seedlings by soaking the roots for 2 days in a filtrate diluted 1:15-240. Susceptibility to blast, however, appeares to be lowered by the treatment, being the number of leaf-spots remarkably less than the nontreated.View full abstractDownload PDF (2543K) -
M. KITAHARA, M. HIURA1949 Volume 13 Issue 3-4 Pages 41-42
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Y. TOCHINAI1949 Volume 13 Issue 3-4 Pages 43-44
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Shoichi SHIMADA1949 Volume 13 Issue 3-4 Pages 45-46
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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E. KAWAMURA, R. FUKATSU1949 Volume 13 Issue 3-4 Pages 47
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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M SAKURAI1949 Volume 13 Issue 3-4 Pages 48
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Teinosuke KAWAMURA1949 Volume 13 Issue 3-4 Pages 49-51
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Ichiro TANAKA1949 Volume 13 Issue 3-4 Pages 52-56
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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Overwintering of the causal fungusHiroshi KITAJIMA1949 Volume 13 Issue 3-4 Pages 57-59
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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1949 Volume 13 Issue 3-4 Pages 60-62
Published: 1949
Released on J-STAGE: February 19, 2009
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1949 Volume 13 Issue 3-4 Pages 62-71
Published: September 20, 1949
Released on J-STAGE: February 19, 2009
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