Kyushu Plant Protection Research

Online ISSN : 1884-0035
Print ISSN : 0385-6410
ISSN-L : 0385-6410

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Volume 19

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Scanning electronmicroscopy on the surface structure of sclerotia of the fungi pathogenic to rice plant

Hisatoshi KAKU, Fukuji NONAKA

1973 Volume 19 Pages 1-3
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.1

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The surface structure of sclerotia of six fungi pathogenic to rice plant and two other fungi was examined using scanning electronmicroscope. The surface structure of sclerotia of Pellicularia sasakii, Sclerotium fumigatum and Sclerotium oryzae-sativae was composed of filamentous hyphae, and that of Sclerotium hydrophilum, Helminthosporium sigmoideum var. irregulare and Sclerotinia sclerotiorum was constructed with globular cells (4-12μ in diameter). The surface structure of sclerotia of Leptosphaeria salvinii was smooth and swollen into eminences, and that of Botrytis cinerea had numerous creases and small protuberances.

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Scanning electronmicroscopy of Botrytis spp. (part 1) the spine on the surface of sclerotium of Botrytis cinerea Persoon, causal fungus of azalea gray mold

Kinji TANAKA

1973 Volume 19 Pages 3-4
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.3

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The surface structure of sclerotium of Botrytis cinerea Persoon collected from azalea petals was observed by scanning electronmicroscope. A lot of spines were found on the surface of sclerotium and many round cavities, being resembled to the hollow of lotus rhizome, were observed when the spine was cut off at the basal portion of it. Keeping spine-removed sclerotia under moist condition for ten days, bamboo sprout-like mycelia were emerged from the cavities and gradually developed to appressorium-like bodies within twenty days.

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Isolation of phaseollin from bean hypocotyl infected with Pellicularia filamentosa Rogers and its antifungal action

Fukuji NONAKA, Takaaki SANEMATSU

1973 Volume 19 Pages 5-8
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.5

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Phaseollin, a phytoalexin of bean (Phaseolus vulgaris L. ), was extracted from bean hypocotyl infected with Pellicularia filamentosa and purified by thin-layer chromatography. Spore germtube growth of Fusariusn solani f. pisi was severely inhibited by the solution containing phaseollin. Spore germination of Cladosporiuni fulvum, causal fungus of tomato gray mold, was more severely inhibited than that of Gloinerella lindenauthianuna, causal fungus of bean anthracnose, by crude and purified phaseollin.

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A phytoalexin-like substance isolated from leaves infected with citrus canker and its antifungal action

Fukuji NONAKA, Masafumi MATUZAKI

1973 Volume 19 Pages 8-10
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.8

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An antifungal compound, a phytoalexin-like substance, was isolated from the lesions of Trovita orange leaves infected with Xanthonzonas citri Dowson, causal bacterium of citrus canker. The antifungal compound was not detected in extracts from healthy leaves, and severely inhibited spore germ-tube growth. Absorbance maxima were obtained at 290 and 332 mμ and absorbance minima were at 253 and 314 mμ in the ultraviolet absorption spectrum of the antifungal compound refined by thin layer chromatography.

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1973 Volume 19 Pages 10-12
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.10

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1973 Volume 19 Pages 12-14
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.12

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1973 Volume 19 Pages 14-15
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.14

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1973 Volume 19 Pages 15-17
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.15

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Evaluation of the chemicals to narrow brown spot and leaf scald of rice plant

Tohru SATO, Shohei MATSUMOTO, Takao GOTO, Shigematsu KUHARA

1973 Volume 19 Pages 17-20
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.17

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Twenty one chemicals were applied to the blast resistant variety, Saikai 122 heavily infected .with narrow brown spot and leaf scald. The application was made twice at the tillering stage aimed to control the diseases on the foliage. And another twice at the heading stage to control ear blight. In former case, Benlate wettable (1g/1 liter) showed an excellent effect on both diseases, deducing them by approximately 90% comparing with the check. Hinosan emulsion and DF-125 were next to it. The similar result was obtained in the case of ear blight.

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1973 Volume 19 Pages 20-23
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.20

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1973 Volume 19 Pages 23-25
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.23

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1973 Volume 19 Pages 25-26
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.25

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1973 Volume 19 Pages 27-28
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.27

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1973 Volume 19 Pages 28-30
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.28

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1973 Volume 19 Pages 30-32
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.30

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1973 Volume 19 Pages 32-33
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.32

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[title in Japanese]

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1973 Volume 19 Pages 33-35
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.33

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1973 Volume 19 Pages 35-38
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.35

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1973 Volume 19 Pages 38-39
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.38

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Infection source of carrot sclerotinia rot

Hisashi YOSHIOKA

1973 Volume 19 Pages 40-41
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.40

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Sclerotinia sclerotioruna was isolated from decayed tips of carrot leaves at the harvest time, the middle of December, 1972. They seemed to be infected by ascospores in autumn. After then the plants were transplanted to upland and paddy fields for the purpose of seed production. Freshly shot leaves of these plants were infected by the disease in both fields. In experiment, carrot roots planted in soil mixed with diseased leaves were severely affected by S. sclerotiorum. Infection to roots was occurred when intact sclerotia with organic matter, cut sclerotia and mycelial mass (5 mm in diam.) were laid on the roots of plants or mycelial mass with organic substance laid within 1 cm from the roots. Mycelial growth was observed in autoclaved soil and compost within the depth of 5 mm, but not in the unautoclaved ones. And no infection to roots was occurred in raw compost mixed with sclerotia.

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1973 Volume 19 Pages 42-43
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.42

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1973 Volume 19 Pages 43-45
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.43

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1973 Volume 19 Pages 46-49
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.46

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1973 Volume 19 Pages 50-52
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.50

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1973 Volume 19 Pages 52-54
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.52

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1973 Volume 19 Pages 54-57
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.54

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1973 Volume 19 Pages 57-59
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.57

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1973 Volume 19 Pages 59-61
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.59

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1973 Volume 19 Pages 61-62
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.61

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1973 Volume 19 Pages 63-65
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.63

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1973 Volume 19 Pages 65-67
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.65

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1973 Volume 19 Pages 67-68
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.67

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1973 Volume 19 Pages 68-70
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.68

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Factors affecting the rate of emergence f Chilocorus kuwanae Silvestri (Coccinellidae) in an insectary

Manabu TANAKA, Kenji WADA

1973 Volume 19 Pages 71-73
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.71

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The lady beetle, Chilocorus kuwanae, is the most efficient native predator of Unaspis yanonensis on citrus trees in Japan. Some biological and physical factors affecting the rate of emergence of the beetle were investigated for mass production. The condition above 70% of relative humidity during the larval and pupal periods resulted in the higher rate of adult emergence. Other factors such as sources of insect stocks, age of prey scale (Chrysomphalus bifasciculatus) as food, rearing density of larvae, and photoperiod treatment during the larval stage seemed to have a little effect upon the rate.

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Fauna and distribution of predacious mites on tree crown in the citrus area of the southern part of Japan

Manabu TANAKA, Kouichi INOUE

1973 Volume 19 Pages 73-76
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.73

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In the citrus area of the southern part of Japan, five species of predacious mites were found ; Amblyseius largoensis (Muma), Amblyseius sp., Agistemus exsertus Gonzalez-Rodriguez, Agistemus terminalis (Quayle) and Anystis sp.. A. largoensis and A. terminalis were dominant species. A. largoensis was found numerous especially in unsprayed grove. Distribution of A. largoensis on citrus tree crown was investigated. It was found that this predacious mites were abundant at lower inside parts of tree crown in contrast with the fact that the citrus red mite, Panonychus citri (McGregor), has much wider distribution on tree crown.

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1973 Volume 19 Pages 76-78
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.76

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1973 Volume 19 Pages 78-80
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.78

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1973 Volume 19 Pages 80-82
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.80

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1973 Volume 19 Pages 82-84
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.82

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1973 Volume 19 Pages 84-87
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.84

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1973 Volume 19 Pages 87-88
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.87

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1973 Volume 19 Pages 88-90
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.88

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1973 Volume 19 Pages 90-93
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.90

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1973 Volume 19 Pages 93-94
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.93

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Ecology of Longiunguis sacchari (Zehentner) (Aphididae) infesting sorghums I. Nymphal period and fecundity of apterous viviparous female

Osamu SETOKUCHI

1973 Volume 19 Pages 95-97
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.95

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Longiunguis sacchari (Zehentner) is known as an important insect pest of sorghums in southern Kyushu. Nymphal period and fecundity of the apterous viviparous female of the aphids reared individually on food-plants such as mature leaf blades of sorghum (Sorghum vulgare), sorghum seedlings and leaf blades of Miscanthus sinensis were studied at 15°, 20°, 25° and 30°C in the laboratory. It was found that nymphal period shortened with increasing temperature and both fecundity and reproductive period were varied with food-plants as well as rearing temperature. The adult apterae produced from the alatae were more prolific than those from the apterae.

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1973 Volume 19 Pages 97-99
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.97

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1973 Volume 19 Pages 99-101
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.99

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1973 Volume 19 Pages 101-104
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.101

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Fundamental studies on the reproduction of diamondback moths, Plutella maculipennis Curtis

(II) Effect of photoperiodism on egg formation

Akira SAKANOSHITA, Yoshihumi YANAGITA

1973 Volume 19 Pages 104-105
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.104

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The relationship between egg formation and photoperiodism in diamondback moths, Plutella maculipennis (Curt. ), was investigated under various conditions. When they were held in a dark for a larval stage, number of eggs formed per female was less than insects kept in other conditions. This result indicated that the dark condition inclined to influence on their larval stage. From this experiment, it was considered, moreover, that L:D=12:12 cycles and a temperature of 28° affected on and after larval stage, and reduced egg formation of females.

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1973 Volume 19 Pages 105-108
Published: December 20, 1973
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.19.105

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