Chinese spinach (Amaranthus viridis Linn.) as biopesticides against golden apple snail (Pormacea canaliculata Lamarek [manuscript]
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Date
2017
Authors
Regine M. Catabona
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Abstract
Golden apple snail (P. canaliculata) is an invasive pest destroyed the wide range of agricultural crops, especially rice. It has been found to be a major pest resulting to losses in rice production. To control this pest easily farmers used synthetic molluscicides which can lead to several problems such as environmental contamination and health hazards. In view of this, some plants have been investigated for their intrinsic molluscicidal properties properties in an attempt to find an alternative pesticides which is only safe and environmental friendly but also readily available and affordable. This study aims to determine the molluscicidal activity of chinese spinach (A. viridis) leaf extracts against the hatchability of P. canaliculata eggs. Plant samples were prepared and extracted using expression extraction method. Different concentrations of molluscicides using the extracts of A. viridis were prepared. Four experimental treatments (i.e. 25%, 50%, 75% and 100% A viridis), one negative control (distilled water), and one positive control (molluscicide) were used in the study. Results showed that the leaf extracts of A. viridis altered the normal development P. canaliculata eggs. Plant extracts of Amaranthus viridis caused alterations on the development of P. canaliculata by greater anti-hatching ability of its eggs. the results obtained demonstrated that A. viridis is a potential alternative pesticides which is only safe and environment friendly but also readily available and affordable that will surely benefit farmers.