Annual Report of The Kansai Plant Protection Society
Online ISSN : 1883-6291
Print ISSN : 0387-1002
ISSN-L : 0387-1002
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Volume 46
Displaying 1-34 of 34 articles from this issue
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Original paper
  • Control of white swelling spot of tomato by the flower application of hormone added insecticide
    Takeo Imura, Manabu Nishikawa
    2004 Volume 46 Pages 1-6
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.1
    JOURNAL FREE ACCESS
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    Population densities of the thrips, Frankliniella occidentalis Pergande (Fo) and F. intosa (Trybom) on tomato flowers were suppressed at low level by the flower application of 4-CPA (p-chlorophenoxyacetic acid) 15 ppm added spinosad 50 ppm at 3 to 4 days' intervals during flowering period. White swelling spot on fruits was reduced greatly by the flower application. The total amount of the flower application was about 1/100 of the custom one. Spinosin residue on mature fruits by the flower application was fewer than by the custom one. The control effect for white swelling spot by the flower application of 8 insecticides were compared by releasing Fo adults. As a result, spinosad 50 ppm, tolfenpyrad 150 ppm and fipronil 22 ppm were highly effective, while acephate 500 ppm, acrinathrin 30 ppm and chlorfenapyr 50 ppm were moderate, and malathion 250 ppm and acetamiprid 100 ppm were non-effective.
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  • Factors of Season and Plant Stage for Infection and Development of Downy Mildew on Broccoli Heads
    Mamoru Satou, Norihito Yamauchi, Seizo Horiuchi
    2004 Volume 46 Pages 7-10
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.7
    JOURNAL FREE ACCESS
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    Factors for the occurrence of downy mildew on broccoli heads were observed in the field experiment. Inoculation of the fungus to broccoli plant at the stage of flower-bud emergence gave rise to head damages at harvest time. The inoculation was more promising in the mid-September than in the early September. Meteorological conditions favorable for mildew infection at the head emergence stage may result in the severest damages on broccoli heads.
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  • Nucleotide Sequence of Chrysanthemum Stunt Viroid (CSVd) occurred in Shizuoka Prefecture and Symptoms of Chrysanthemum Cultivar
    Makoto Doi, Kimihiko Kato
    2004 Volume 46 Pages 11-14
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.11
    JOURNAL FREE ACCESS
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    Stunted spray-type chrysanthemum plants were found in Shizuoka Prefecture in 1996. CSVd in Shizuoka consists of 354 nucleotides. Nucleotide sequence homology between the Shizuoka and Hyogo isolates was 99.7% and that between the Shizuoka and English isolates was 99.4%. Nine out of 10 chrysanthemum cultivars inoculated with this CSVd showed stunting symptoms. However, spray-type chrysanthemum cultivars were stunted more than standard type of chrysanthemum. Correlation between severity of stunting and concentration of CSVd was not found.
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  • Control of corky root of tomato cultivated under rain shelter by soil reduction
    Hideki Watanabe, Etsuji Isokawa, Koji Tabata, Tomohumi Watanabe, Akira ...
    2004 Volume 46 Pages 15-21
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.15
    JOURNAL FREE ACCESS
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    Control of tomato corky root by soil reduction was examined. Corky root was controlled effectively by the treatment for 7 days early in June, and for 40-50 days in mid-October with an altitude of 450 meters (Nakatsugawa-shi, Gifu). In a practical experiment with an altitude of 750 meters (Nyukawa-mura, Gifu), corky root was controlled effectively by the treatment for 23 days early in May. Disease severity of the root in a treatment field was less than that in a control, and the yield of tomato was superior to that in a control after three years of the treatment.
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  • Insecticide susceptibility of the stone leek leafminer, Liriomyza chinensis Kato (Diptera: Agromyzidae)
    Susumu Tokumaru, Kazunobu Okadome
    2004 Volume 46 Pages 23-27
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.23
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    The insecticide susceptibility of the stone leek leafminer, Liriomyza chinensis Kato, on Welsh onion was evaluated at 25°C under a 15L-9D photoperiod. Among 21 insecticides tested on second instar larvae using the leaf dipping method, CVP (mortality: 98.0%), thiocyclam (98.0%), cyromazine (80.9%) and nitenpyram (81.8%) produced high mortality. Adults of L. chinensis were highly susceptible to CVP (mortality: 85.4%), ethofenprox (100.0%), and spinosad (85.7%). Cartap, thiocyclam, ethofenprox, cypermethrin and emamectin benzoate reduced the number of feeding and oviposition punctures made by adult L. chinensis females.
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  • Degree of resistance to Ceratocystis Canker by Ceratocystis fimbriata in Fig Varieties ‘Zidi’ and ‘King’
    Akihiro Hosomi, Mitsuo Kawaradani
    2004 Volume 46 Pages 29-32
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.29
    JOURNAL FREE ACCESS
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    The degree of resistance to ceratocystis canker (caused by Ceratocystis fimbriata Ellis et Halsted) in fig (Ficus carica L.) varieties ‘Zidi’ and ‘King’, which had been selected as vigorating rootstock, were compared with resistant variety ‘Celeste’ (‘Malta’ sensu Condit, 1995) and sensitive variety ‘Masui Dauphine’ (‘San Piero’ sensu Condit, 1955). 1. The leaf discs of each tested variety were inoculated with C. fimbriata by wounding. The lesions spread from inoculated points rapidly in ‘King’ and ‘Masui Dauphine’, moderately in ‘Zidi’ and slowly in ‘Celeste.’ 2. The suspension of C. fimbriata was injected to the pot soils growing nurseries of each tested variety. The lesions appeared and C. fimbriata was reisolated from the nurseries of every variety. The mortalities for 90 days of inoculated nurseries were higher in ‘King’ (89%), ‘Zidi’ (64%) and ‘Masui Dauphine’ (62%), and lower in ‘Celeste’ (6%). These results suggested that the degree of resistance to ceratocystis canker was lower in vigor fig varieties ‘Zidi’ and ‘King.’
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  • Seasonal occurrence of insect pests on greenhouse leaf vegetables and control of the pests by netting house-side slit and using solar radiation
    Manabu Shibao, Sachiko Sada, Yoshinori Kosaka, Hiroshi Tanaka
    2004 Volume 46 Pages 33-38
    Published: 2004
    Released on J-STAGE: September 12, 2011
    DOIhttps://doi.org/10.4165/kapps.46.33
    JOURNAL FREE ACCESS
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    Seasonal occurrence of insects pests was investigated on leaf vegetables, ‘komatsuna’ (crucifer) and ‘shungiku’ (garland chrysanthemum) in greenhouses in 2003. Damage to ‘komatsuna’ caused by leafminer flies, striped flea beetle, moths and slugs was detected in May, in August-September, in April-June, August and November and in April-May, respectively. Damage to ‘shungiku’ caused by leafminer flies, thrips, moths and slugs was detected in April-May, in June-July, in June-July and November and in April-May, respectively. Covering house-side slit with silver 1mm mesh size net and using solar radiation by covering grand with transparent polyvinyl chloride were useful for reducing the damage of leafminer flies and large size moths on ‘komatsuna’ and the damage of leafminer flies, thrips and large size moths on ‘shungiku’
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