Kyushu Plant Protection Research

Regional classiification of rice blast occurrence in Kagoshima Prefecture

1. Early season cultiveted rice

Takahiro KAMIKADO, Ikuo SHINYASHIKI

1994 Volume 40 Pages 1-4
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.1

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Regional classification of rice blast occurrence in Kagoshima Prefecture. 2. Normal season cultivated rice

Ikuo SHINYASHIKI, Takahiro KAMIKADO, Takuhiro YAMAGUCHI

1994 Volume 40 Pages 5-8
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.5

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Severe outbreak of rice blast disease in Oita Prefecture in 1993

Shinichiro KAI, Keiichi KITAZONO, Michihiro SATO, Shunji SATO

1994 Volume 40 Pages 9-12
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.9

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Outbreak of rice glume blight in Nagasaki Prefecture

Yasuhiro SUGA, Yasuhiro OGAWA, Reiko ANDO, Mitsugu FUNABA, Souiti SAKA ...

1994 Volume 40 Pages 13-16
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.13

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Chemical control of strawberry anthracnose caused by Colletotrichum acutatum

Kazutoshi MATSUO, Yasuhiro SUGA, Takaakira NAKASUGA

1994 Volume 40 Pages 17-21
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.17

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Two soil disinfectants, chloropicrin and dazomet, were effective for control of strawberry anthracnose caused by Colletotrichum acutatum in nursery beds. Five fungicides, propineb, pefurazoate, dithianon, mancozeb and thiram, were effective for control of irregular leaf spot and black petiole spot of this disease during the period of seedling growth also. Especially, propineb, pefurazoate and dithianon were remarkably effective. Benomyl and copper-oxinate gave some control of this disease. However, bitertanol, triflumizole, pyrifenox, SSF-129SC10 and a mixture of diethofencarb and thiophanate-methyl showed a little activity against this disease.

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Southern rust of corn in Kumamoto Prefecture

Kazufumi NISHI, Turuo KAYAMURA, Fumio NAMIKI

1994 Volume 40 Pages 22-24
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.22

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Biological control of bacterial spot of cucumber caused by Pseudomonas syringae pv. Lachrymans by antagonistic bacteria isolated from cucumber leaves

Turuo KAYAMURA, Fumio NAMIKI, Toshiki SHIOMI, Manabu UMEKAWA

1994 Volume 40 Pages 25-30
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.25

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Characterization of an isolate of sweet potato feathery mottle virus isolated from sweet potato in Shizuoka Prefecture

Masatoshi ONUKI, Jun-ichi SAKAI, Kaoru HANADA, Kimihiko KATO, Tomio US ...

1994 Volume 40 Pages 31-35
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.31

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Serological properties of sugarcane mosaic viruses isolated from sugarcane plants in Tanegashima Island

Kaoru HANADA, Kenichi NUMAGUCHI, Jun-ichi SAKAI, Masatoshi OHNUKI, Hir ...

1994 Volume 40 Pages 36-37
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.36

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Relationships between the occurrence of root tumor of melon and soil inoculum density and soil sterilization

Masahiro YOSHIDA, Kenzo KOBAYASHI

1994 Volume 40 Pages 38-42
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.38

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The concentration of pathogenic Streptomyces sp. and sterilization of soil affected the occurrence of root tumor of melon under inculation tests. Young growing melon inoculated with a high concentration of the pathogen showed symptoms of damping-off, and the severity varied with the type of soil used. Occurrence of root tumor was observed in soil inoculated with more than about 10 cfu of the pathogen per 1 ml of wetted soil. The most sever disease incidence of root tumor appeared when melon was inoculated with about 10³-10⁴ cfu/ml of the soil. In addition, the disease occurred easily in soil which was inoculated with the pathogen after soil sterilization, but the occurrence of the disease in inoculated soil without sterilization was suppressed conspicuously. The results suggest that the occurrence of root tumor of melon is encouraged at a lower concentration of microorganisms and with a limited microflora in soil.

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Occurrence of Corynespora target spot of tomato caused by Corynespora cassiicola in Oita Prefecture

Yasushi KODAMA, Wataru HASAMA

1994 Volume 40 Pages 43-46
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.43

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Transmission of strawberry anthracnose caused by Colletotrichum acutatum

Yoshiaki CHIKUO

1994 Volume 40 Pages 47-50
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.47

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Transmission of strawberry anthracnose caused by Colletotrichum acutatum was studied. The pathogen could survive in the strawberry plant without symptoms throughout winter. The fungus was often detected in particular from the outer part of the leaf and the basal part of the petiole. Disease development was affected by watering and it was markedly suppressed by capillary watering. The pathogen also could survive in air-dried soil or plant debris for at least one month. Conidia of the fungus are transmitted by rain splash. After they germinate, the disease is initiated and develops throughout the plant.

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Occurrence of a bacterial disease of cultured spring onion in an area of sanddunes in Kagoshima Prefecture

Naoshi OMATSU, Shoichi IZUMI, Akira TANAKA

1994 Volume 40 Pages 51-53
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.51

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Identification of pathogenic bacteria causing necrosis on stem of tomato in Oita Prefecture

Michihiro SATOH, Wataru HASAMA

1994 Volume 40 Pages 54-57
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.54

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Symptom of root rot of sugarcane in Kagoshima Prefecture

Hidenobu NOJIMA

1994 Volume 40 Pages 58-61
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.58

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Bacterial leaf spot on fruit of Squash in greenhouse

Yoshiyuki KUSHIMA, Itsumi TAMURA, Norio SOUBARA, Kazunobu TSUNO

1994 Volume 40 Pages 62-64
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.62

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Reaction of varieties of fodden maize to Sugarcane mosaic virus (serotype B, I) and Cucumber mosaic virus

Takashi INOUE, Kaoru HANADA, Hisayoshi MIYAGAWA, Kazuyuki MURAMOTO, Mi ...

1994 Volume 40 Pages 65-69
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.65

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Infection period of Physalospora canker, Botryosphaeria berengeriana f. sp. piri-cola, on the new shoots and fruit of Japanese pear

Keiichi KOGA, Nobuo OHKUBO

1994 Volume 40 Pages 70-74
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.70

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Variety resistance to Cyclamen anthracnose, characteristics of the pathogen infection, dispersal, and susceptibility to agricultural chemicals

Norihiko KOBAYASHI

1994 Volume 40 Pages 75-81
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.75

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Most of the native cyclamen varieties were resistant, and many recent popular cultivated varieties such as "pastel" were suceptible to anthracnose caused by the pathogen. In main production areas, damage caused by this disease has recently decreased, because of cultivation with subirrigation to escape conidia dispersion. Judging from the characteristics of pathogen; colonial color, spore shape and size, production of ascus, ascus shape and size and hyphal growth of 16-32-C, the pathogen of cyclamen anthracnose was identified as Glomerella cingulata (Colletotrichum gloeosporoides).
Healthy cyclamen plants produced anthracnose symptoms when inoculated with Colletotrichum acutatum from antracnose diseased strawberry. When the pathogen was inoculated to the susceptible variety "Pink Rose", small brownish lesions appeared 3 days after inoculation on leaves, the lesions spread to the upper parts of the plants and finally the plant wilted and died. In the resisitant variety "Victoria", much smaller brownish lesions appeared on the inoculated leaves, but lesions did not spread to the upper plant parts and only the leaf ridge of inoculated leaves died. Colletotrichum gloeosproides of cyclamen antracnose attacked "Toyonoka" and "Nyoho" varieties of strawberry. "Nyoho" was more severly damaged than "Toyonoka".
The isolate collected from Tochigi Prefecture was highly susceptible to benomyl, but moderately resistant to procymidone and diethofencarb. Otherwise, the isolate from Kumamoto Prefecture was highly susceptible to diethofencarb and moderately resistant to benomyl and procymidone. Collettrichum acutatum of strawberry was moderately resistant to the above 3 agricultural chemicals.

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Overseas immigration of rice planthoppers into Korea and associated meteorological conditions

Kazushige SOGAWA, Kibaik UHM, Kuimoon CHOI

1994 Volume 40 Pages 82-89
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.82

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Most of the native cyclamen varieties were resistant, and many recent popular cultivated varieties such as "pastel" were suceptible to anthracnose caused by the pathogen. In main production areas, damage caused by this disease has recently decreased, because of cultivation with subirrigation to escape conidia dispersion. Judging from the characteristics of pathogen; colonial color, spore shape and size, production of ascus, ascus shape and size and hyphal growth of 16-32°C, the pathogen of cyclamen anthracnose was identified as Glomerella cingulata (Colletotrichum gloeosporoides).
Healthy cyclamen plants produced anthracnose symptoms when inoculated with Colletotrichum acutatum from antracnose diseased strawberry. When the pathogen was inoculated to the susceptible variety "Pink Rose", small brownish lesions appeared 3 days after inoculation on leaves, the lesions spread to the upper parts of the plants and finally the plant wilted and died. In the resisitant variety "Victoria", much smaller brownish lesions appeared on the inoculated leaves, but lesions did not spread to the upper plant parts and only the leaf ridge of inoculated leaves died. Colletotrichum gloeosproides of cyclamen antracnose attacked "Toyonoka" and "Nyoho" varieties of strawberry. "Nyoho" was more severly damaged than "Toyonoka".
The isolate collected from Tochigi Prefecture was highly susceptible to benomyl, but moderately resistant to procymidone and diethofencarb. Otherwise, the isolate from Kumamoto Prefecture was highly susceptible to diethofencarb and moderately resistant to benomyl and procymidone. Collettrichum acutatum of strawberry was moderately resistant to the above 3 agricultural chemicals.

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Egg mortality factors of rice planthoppers in northern Vietnam

Yoshito SUZUKI, Tran Huy THO, Nguyen Cong THUAT, Vu Bich TRANG

1994 Volume 40 Pages 90-93
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.90

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Mortality factors of eggs of Nilaparvata lugens STAL, Sogatella furcifera HORVATH and Laodelphax striatellus FALLEN on the winter-spring rice crop were studied in the Red River Delta in early April, 1993. Mymarid parasitism was responsible for almost all mortality of the three planthoppers on the winter crop. The mean parasitism rates were 20.6%, 32.8% and 53.2% for N. Lugens, S. furcifera and L. striatellus, respectively. On the other hand, both parasitism (12.2-45.5%) and physiological death caused by rice plant reaction (4.5 - 57.1 %) were important mortality factors of S. furcifera eggs on three varieties of early-spring and spring crops. Physiological egg mortality of S. furcifera colonies originating from populations obtained in the Red River Delta and Chikugo, Japan were high on two japonica varieties (Reiho and Niigatawase) and low on and indica variety (TN 1) and a japonica X indica variety (Saikai 184). The difference in the egg mortality rate on the 4 varieties between the two colonies was insignificant. This gives support for the view that the winter-spring crop in the Red River Delta is a major source of air-born rice planthoppers invading southern China where they multiply and produce ocean-crossing migrants into Japan in the Baiu season.

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Emigration of Cyrtorhinus lividipennis (Hemiptera: Miridae) from paddy field

Takeshi TERAMOTO, Takaakira NAKASUGA

1994 Volume 40 Pages 94-97
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.94

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Mas Immigration and Occurrence of the Rice Leafroller Cnaphalocrocis medinalis GUENÉE in Kagoshima Prefecture in 1993

Hidemi KAMIWADA, Akira TANAKA, Tuyoshi HARUGUCHI

1994 Volume 40 Pages 98-101
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.98

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Distribution of the migrating moths of the rice leaf roller, Cnaphalocrocis medinalis GUENEE and the Hawaiian beet webworm, Hymenia recurvalis FABRICIUS around Nobeoka

Yoshio MIYAHARA

1994 Volume 40 Pages 102-105
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.102

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Interspecific Iarval competition among three egg parasitoid species on the host, Riptortus clavatus (THUNBERG) (Heteroptera: Alydidae)

Nobuo MIZUTANI

1994 Volume 40 Pages 106-110
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.106

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Interspecific competition among three major egg parasitoids, Ooencyrtus nezarae ISHII, Gryon japonicum (ASHMEAD) and G. nigricorne (DODD) of the bean bug, Riptortus clavatus (THUNBERG) (Heteroptera: Alydidae), was examined using the host eggs attacked at various intervals in laboratory experiments.
The outcome of interspecific competition between 0. nezarae and either of the Gryon species depended on the order and interval of attacks. Gryon species did not oviposit host eggs parasitized 7 or more days previously by 0. nezarae. 0. nezarae emerged from host eggs when it had a head start of at least 3 days on its competitor. This parasitoid seemed to be a facultative secondary parasitoid of the Gryon species when it attacked hosts 3-7 days after an attack by the Gryon species. However, Gryon species tended to be the successful competitor when the parasitoids attacked the hosts at a short interval of 1 day or less. In the combination of two Gryon species, multiparasitism by both species occurred if the oviposition interval was 3 days or less. The competition was asymmetric in this case and G. nigricorne had a consistent advantage over G. japonicum.

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Measurement of movement of the two weevils, Cylas formicarius and Euscepes postfasciatus using a photoelectric switch: a preliminary test

Seiichi MORIYA

1994 Volume 40 Pages 111-112
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.111

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Two species of important sweetpotato pest weevils, Cylas formicarius and Euscepes postfasciatus, were confined individually in a small plastic box to monitor automatically their walking as an indicator of their movement for 24 hrs by a photoelectric switch attached to the box. No significant difference was detected between the sexes of E. post-fascicatus in the level of movement. On the other hand, results of the measurement showed that males of C. formicarius moved about much more actively than females.

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Control of the root-lesion nematode (Pratylenchus coffeae) on taro by crop rotation with peanut and/or other crops

Hiroaki TORIGOE

1994 Volume 40 Pages 113-118
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.113

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Control of the diamondback moth, Plutella xylostella in cabbage fields with a combination of synthetic sex pheromone and insecticides

Shoji TAKAHARA, Takihito KOMATSU, Yoshihiro TSUTSUMI, Itaru SHIMADA

1994 Volume 40 Pages 119-122
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.119

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Oviposition of the diamondback moth, Plutella xylostella on cabbage leaf sprayed with the spreader

Hideo UEMATSU, Kazuhiro SHII

1994 Volume 40 Pages 123-125
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.123

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Diamondback moths which were confined individually in petri dishes, laid few eggs on cabbage leaves, whereas they successfully laid eggs on the upper or lower surface of the leaves sprayed with spreader. In the choice experiment using polyester-gauze cages (40×40×40cm) containing the leaves sprayed with the spreader and untreated ones, diamondback moths laid much more eggs on the former than on the latter. These results indicate that the spreader weakens the function of the leaf surface wax bloom which suppresses oviposition of diamondback moths.

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Seasonal changes of food habit and life cycle in the Chinese bulbul, Pycnonotus sinensis in Okinawa island

Tsuneo KINJO, Hirosi ZUKEYAMA, Fukunori NAKASONE

1994 Volume 40 Pages 126-129
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.126

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Effectiveness of various methods for preventing the damage of cultivated crops by the Chinese bulbul, Pycnonotus sinensis

Hirosi ZUKEYAMA, Tsuneo KINJO, Fukunori NAKASONE

1994 Volume 40 Pages 130-133
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.130

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Occurrence of Orchid Pests in Okinawa

Yasuda KEIJI, Katue UEHARA

1994 Volume 40 Pages 134-136
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.134

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Forecasting methods for the occurrence of the azalea lace bug, Stephanitis pyrioides in Nagasaki prefecture

Stephanitis pyrioides and the use of temperature-sum rule for assessing seasonal prevalence of the field population

Takaakira NAKASUGA

1994 Volume 40 Pages 137-142
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.137

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Overwintered eggs of the azalea lace bug, Stephanitis pyrioides (Heteroptera: Tingidae) were collected in February and March in Nagasaki and the hatching trend of the eggs and developmental rate of the nymphs emerged were examined under 3 or 4 constant temperatures. Development of overwintered eggs was linear arcoss temperatures and developmental zero and total effective temperature were estimated to be 10°C and 150 day-degrees, respectively. Development of nymphal instars across temperatures was linear as well. Developmental zero of 1st, 2nd, 3rd, 4th and 5th instar nymphs were estimated to be 9.5°C, 9.5°C, 9.9°C, 8.8°C and 10.3°C, respectively. Total effective temperatures of 1st, 2nd, 3rd, 4th and 5th nymphal instars were estimated to be 48.7. 37.5, 36.0, 52.2, and 57.6 day degrees, respectively. The total effective temperature of the whole nymphal instar was estimated to be 217. 9 day .degrees.
In Nagasaki, this insect overwintered in the egg stage and 1st instar nymph appeared in the middle of April. The adult stage of overwintered generation appeared in late May and after that 3 generations were observed within a year. A trial for forecasting seasonal occurence of the insect using the thermal constants explained above was conducted in Isahaya city, Nagasaki.

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Seasonal prevalenece of the mango psyllid, Microceropsylla nigra on the mango cultivated in the plastic greenhouse in Okinawa island

Fukunori NAKASONE, Hirosi ZUKEYAMA, Tsuneo KINJO

1994 Volume 40 Pages 143-145
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.143

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[title in Japanese]

1994 Volume 40 Pages 146-151
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.146

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[title in Japanese]

1994 Volume 40 Pages 151-163
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.151

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[title in Japanese]

1994 Volume 40 Pages 164-170
Published: November 15, 1994
Released on J-STAGE: May 22, 2009

DOIhttps://doi.org/10.4241/kyubyochu.40.164

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