Geraniol

Geraniol is a monoterpenoid alcohol that occurs naturally in the essential oils of various plants, including roses, geraniums, and lemongrass. In modern agricultural practice, it is utilized as a botanical pesticide with insecticidal, acaricidal, and fungicidal properties. Its use is widely accepted in organic farming systems due to its high biodegradability and minimal impact on non-target organisms compared to synthetic chemicals.

The primary mode of action of geraniol is contact-based, as it disrupts the cuticular wax layer of insect exoskeletons, leading to rapid dehydration and death. Furthermore, it interferes with the neurophysiological processes of pests, acting as a potent repellent and deterrent. Due to this non-specific physical and physiological disruption, insects are highly unlikely to develop resistance to geraniol, making it a reliable tool in pest management programs.

Geraniol is applied on a variety of crops, including fruits, vegetables, and ornamental plants, both in open fields and greenhouses. It is particularly effective against soft-bodied insects such as aphids, whiteflies, thrips, and spider mites. In addition to its insecticidal properties, it shows inhibitory effects on various fungal pathogens, which helps in preventing the spread of diseases during the growing season.

Application requirements emphasize the need for thorough coverage of the plant surface, as geraniol acts primarily through contact. Because it is a volatile compound, it is recommended to apply the product during the early morning or late evening to minimize evaporation and photochemical degradation. This timing ensures that the substance remains active on the plant tissue long enough to achieve maximum efficacy against targeted pests.

• Environmentally friendly with rapid biodegradation in soil and water.
• Compatible with integrated pest management (IPM) strategies.
• Reduces the reliance on synthetic organophosphates and neonicotinoids.
• Safe for use in proximity to harvest due to negligible residues.

Safety measures involve wearing standard protective gear, including gloves and goggles, during the preparation and application of the mixture to prevent skin and eye irritation. Although geraniol is generally considered safe, proper handling of the concentrated form is essential. The product should be stored in a cool, dark, and well-ventilated area to maintain its chemical stability and potency over time.