Abstract
The crop protection potential and pesticidal efficacy of garlic (Allium sativum L.) has been attributed to its production of several biologically active defense compounds. The plant is rich in organo-sulfur content, which has great potential to prevent and treat many diseases of plants and animals. Garlic phytochemical contains alliinase which is released when it is chopped. Allinase is involved in catalyzing the formation of S-allyl cysteine sulfoxide (allin) which is the main active component of garlic. It is possible that constituents from garlic could be used to develop alternatives to conventional pesticides for the management of crop pests and disease-causing pathogens. This chapter describes the biochemical compounds found in garlic bulb, preparatory procedures of garlic pesticidal products from fresh and aged bulbs, and the discovery process of bioactive phytochemical from garlic bulbs. It further explains the insecticidal, fungicidal, bactericidal, and nematicidal usage of garlic products and discusses issues on natural pesticides formulation from garlic. Usage of garlic herbal preparations by growers can reduce non-target exposure to hazardous pesticides and curb resistance development in pests, thus enabling sustainable organic crop protection.
Published Version
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