Preventive effect of trunk injection of benomyl wettable powder on mass mortality of oak trees
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- Saito Shoichi
- Yamagata Prefectural Forest Research and Instruction Center
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- Nakamura Hitoshi
- Yamagata Prefectural Forest Research and Instruction Center
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- Okada Mitsuhiro
- Nagano Prefecture Forestry Research Center
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- Honma Kosuke
- Field Center for Sustainable Agriculture and Forestry, Niigata University
Bibliographic Information
- Other Title
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- 殺菌剤ベノミル水和剤の樹幹注入によるナラ類集団枯損被害に対する予防効果
- サッキンザイ ベノミル スイワザイ ノ ジュカン チュウニュウ ニ ヨル ナラルイ シュウダンコソン ヒガイ ニ タイスル ヨボウ コウカ
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Abstract
The preventive effect of benomyl on oak wilt disease was evaluated in Yamagata, Nagano and Niigata prefectures in Japan from 2004 to 2008. In Yamagata, a dilution of benomyl wettable powder in water (a.i benomyl 2 µg/mL) was directly injected into the trunks of non-damaged healthy Japanese oak trees in June. A month later, Japanese oak wilt fungus Raffaelea quercivora was inplanted into the trunks. Twelve weeks later, all of the benomyl-inoculated trees remained alive, and the fungus was recovered from a few of them. Most of the non-injected trees died, and the fungus was reisolated with very high frequency. Benomyl wettable powder diluted with water by five hundred numbers was injected into living trees during a total of fourteen tests on eight fields in three prefectures. As for mortality rate, a clear and significant difference between the examination section using benomyl and the control was not found on Fisher's Exacts test. However, the mortality rates of all the examination districts where benomyl was used were lower than the control areas up to three years after the injections. Therefore, trunk injections of benomyl suggested a higher preventive effect against Raffaelea quercivora.
Journal
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- Japanese Journal of Pesticide Science
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Japanese Journal of Pesticide Science 39 (1), 10-17, 2014
Pesticide Science Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205504310912
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- NII Article ID
- 130005002076
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- NII Book ID
- AA1260514X
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- ISSN
- 21878692
- 21870365
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- NDL BIB ID
- 025881879
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed