FFA Floriculture Practice Test

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Study for the FFA Floriculture Test. Access flashcards and multiple-choice questions for thorough preparation. Each question includes hints and explanations. Prepare to excel in your exam!

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What type of insecticides are applied in gaseous form in greenhouse production?

Contact insecticides
Fumigants
Systemic insecticides
Residual insecticides

The correct answer is: Fumigants

Fumigants are a specific type of insecticide designed to be applied in a gaseous form, making them especially effective in greenhouse environments. They penetrate the space thoroughly, allowing for the treatment of pests hidden within plant materials, soil, and structures. This ability to disperse as a gas enables fumigants to reach areas that might be challenging for other types of insecticides, ensuring comprehensive pest control. Contact insecticides, on the other hand, require direct contact with pests to be effective, which may limit their reach in a dense greenhouse environment. Systemic insecticides are absorbed by plants and affect pests that consume them, but they are not delivered in a gaseous form. Residual insecticides leave behind a residue that continues to kill pests over time, but they also do not function as gases. Thus, fumigants play a crucial role in controlling pest populations effectively in greenhouse settings by utilizing their unique gaseous application method.