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    • 1. 发明授权
    • Composition and method for preventing or treating pine wilting disease
    • 预防或治疗松萎病的组合物和方法
    • US5945445A
    • 1999-08-31
    • US109190
    • 1998-07-02
    • George F. BarringerTetsuo Kumagai
    • George F. BarringerTetsuo Kumagai
    • A01N43/90A01N47/18A01N55/00A01N43/16
    • A01N43/90A01N47/18A01N55/00
    • There is disclosed a composition for preventing wilting of pines which comprises as an active ingredient a compound of the formula (I): whereinR.sub.1 is alkyl, cycloalkyl or alkenyl;R.sub.2 is hydrogen, alkyl, alkanoyl or alkylsilyl;R.sub.3 is hydrogen or optionally substituted hydroxyl;R.sub.4 is hydrogen, hydroxyl or alkoxyimino;the carbon-carbon bond X represents a single bond or double bond, provided that, when R.sub.4 is alkoxyimino, X represents a single bond, and when R.sub.1 is methyl or ethyl and R.sub.2, R.sub.3 and R.sub.4 are hydrogen, X represents a double bond; or a salt thereof, as well as a method of preventing the pine wilt using the same.Even if pine trees are infected with pine wilt nematodes, the pine wilt nematodes can be killed before the pine wilt nematodes start action in the trunks of the pine trees.
    • 公开了一种用于防止枯萎的组合物,其包含作为活性成分的式(I)化合物:其中R1是烷基,环烷基或烯基; R2是氢,烷基,烷酰基或烷基甲硅烷基; R3是氢或任选取代的羟基; R4是氢,羟基或烷氧基亚氨基; 碳 - 碳键X表示单键或双键,条件是当R 4为烷氧基亚氨基时,X表示单键,当R 1为甲基或乙基且R 2,R 3和R 4为氢时,X表示双键; 或其盐,以及防止使用其的松木枯萎病的方法。 松树枯萎线虫即使松树枯萎线虫感染,松树枯萎线虫也可以在松树枯萎线虫开始在松树树干的行动之前死亡。