Relationship between the Control Effect of Fungicides on Powdery Mildew (<i>Sphaerotheca humuli</i>) and Their Deposits on Strawberry Leaves
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- TANIGAWA Motokazu
- Nara Agricultural Experiment Station
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- NAKANO Tomohiko
- Nara Agricultural Experiment Station
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- HAGIHARA Toshihiro
- Nara Agricultural Experiment Station
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- OKAYAMA Keno
- Nara Agricultural Experiment Station
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- SEZAKI Shigeo
- Nara Agricultural Experiment Station
Bibliographic Information
- Other Title
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- イチゴうどんこ病 (<i>Sohaerotheca humuli</i>) に対する薬剤の防除効果と葉面における薬剤付着量との関係
- イチゴうどんこ病(Sphaerotheca humuli)に対する薬剤の防除効果と葉面における薬剤付着量との関係〔英文〕
- イチゴ ウドンコビョウ Sphaerotheca humuli ニ タイスル
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Description
The present study was undertaken to investigate the relationship between the quantity of fungicide deposits on strawberry leaves and the control effect on powdery mildew (Sphaerotheca humuli). When fungicide was sprayed over strawberries by swinging a nozzle pendulously as conventionally done, the fungicide deposits on the lower surfaces of leaves were insufficient to control the disease. On the other hand, when fungicide was sprayed in such a way as to cover the lower surfaces of leaves as well, the disease was controlled to a sufficient level. Our investigation of the quantity of fungicide deposits on leaves in relation to the leaf configuration disclosed that the conventional spray method was not adequate to deposit a sufficient quantity of fungicide on the lower surfaces of leaves, especially in the ‘Toyonoka’ variety, because the leaves are spreading in the ‘Toyonoka’ compared with the ‘Nyoho.’ The most effective application method to increase fungicide deposits was to spray fungicide not only over the plants and from the furrow but also from the middle of the ridge.
Journal
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- Journal of Pesticide Science
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Journal of Pesticide Science 18 (2), 135-140, 1993
Pesticide Science Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205209874304
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- NII Article ID
- 110001712653
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- NII Book ID
- AN00196227
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- ISSN
- 03851559
- 13490923
- 1348589X
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- NDL BIB ID
- 3828463
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed