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Related Experiment Videos

The war against blue mold.

G B Lucas

    Science (New York, N.Y.)
    |October 10, 1980
    PubMed
    Summary
    This summary is machine-generated.

    A devastating blue mold epidemic in tobacco crops caused significant financial losses in North America and Cuba. Effective control strategies are challenged by fungal resistance, necessitating international collaboration.

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    Area of Science:

    • Plant Pathology
    • Agricultural Science
    • Mycology

    Background:

    • The 1979 epidemic of tobacco blue mold, caused by a fungus, resulted in substantial economic losses in the United States and Canada.
    • The disease originated in Cuba, where it destroyed 50% of the crop in 1979 and 90% in 1980.
    • Blue mold poses a significant threat to global tobacco production.

    Purpose of the Study:

    • To highlight the impact and challenges associated with the 1979 blue mold epidemic in tobacco.
    • To discuss the limitations of current control methods for tobacco blue mold.
    • To emphasize the need for collaborative solutions to manage this plant disease.

    Main Methods:

    • This study is a review of the 1979 blue mold epidemic.
    • Analysis of disease impact on crop yield and economic losses.

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  • Evaluation of control strategies including resistant cultivars and fungicides.

    • Main Results:

    • The epidemic caused an estimated economic loss of nearly $250 million in the US and Canada.
    • Resistant tobacco cultivars proved to be a temporary solution, with resistance breaking down within years.
    • The fungicide metalaxyl demonstrated efficacy, but the potential for resistant fungal strains poses a future threat.

    Conclusions:

    • Effective and sustainable control of tobacco blue mold is challenging due to the rapid evolution of fungal resistance.
    • Current management strategies are insufficient to prevent widespread crop damage.
    • An international, collaborative effort involving scientists, governments, and industries is crucial for developing adequate long-term solutions to the blue mold problem.