Researchers have discovered that nano-emulsions made from spearmint oil and its key compound carvone are highly effective in controlling two major aphid pests – the corn aphid (Rhopalosiphum maidis) and the wheat aphid (Sitobion avenae). These nano-emulsions not only demonstrate potent insecticidal and repellent properties but also inhibit the activity of the key enzyme acetylcholinesterase in the aphids’ nervous system. This breakthrough could lead to the development of more eco-friendly and effective alternatives to synthetic pesticides for protecting important cereal crops.
Table 1 Chemical composition of the essential oil from Mentha spicata.
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