Bioactive Components of Allium sativum (L.) and Tinospora crispa (L.) as Organic Molluscicidal Agents

Abstract

The golden apple snail Pomacea canaliculata (L) is one of the most pervasive pests in rice farms in the Philippines. Synthetic molluscicidal formulations are one of the most widely used pest control methods. However, this affected the non-target organisms and the environment adversely. Thus, there is a need to find a viable alternative in the form of a plant-based pesticide that is commonly available and less costly. The garlic Allium sativum (L.) and the makabuhay plant Tinospora crispa (L.) are widely known for medicinal purposes. According to studies, these plants’ bioactive components can also be a potential pesticide for snails in lowland rice fields. Thus, this study sought to determine whether a singly or binary combination of these fermented plants’ extracts could demonstrate the molluscicidal effect in P. canaliculata. The mortality rate of P. canaliculata after applying different extracts in varying concentrations within 24-hour exposure time was collected and tested using ANOVA. Among the various extracts and concentrations tested, 60 percent of the garlic and makabuhay individual plant fermented extract were the most effective, with the highest mortality recorded for golden apple snails.