Repelence of Bintaro Plant Extract (Cerbera Manghas) Against Pod-sucking Insects (Riptortus Linearis) (Hemiptera)

Abstract

The mechanism of the organic pesticides of Bintaro plant extract (Cerbera manghas) in reducing the insect pest population needs to be continuously studied. The study aims to determine the Repelence (ability to resist) of bintaro plant extracts against brown ladybugs (Riptortus linearis). The factorial experiment with the first-factor treatment was extracted Bintaro plant organs, namely leaf extract, stem bark extract, fruit pulp extract and bintaro seed extract, while the second treatment factor was the extract concentration (w/v), namely a concentration of 2,5%, a concentration of 7,5%, and a concentration of 12,5%. The experimental variables were the chemical compound content of each Bintaro plant part extract, insect mortality, length of each instar and stadia, and development into the next instar or stadia. The research results showed that Bintaro plants (leaves, fruit, seeds and bark) contain ingredients that can be used as organic pesticides. Bintaro plant extract has an effect on the mortality and development of Riptortus linearis insects. The results of the Bintaro plant extract test on the mortality and development of Riptortus linearis insects are less significant if it will be used to suppress the population, but the application of organic pesticides in the field is proven to be able to suppress the population, reduce the level of crop damage and increase crop production.

Exploring the Phytochemical Composition and Pharmacological Activities of Cerbera manghas and Cerbera odollam: A Comprehensive Review

“…C. manghas leaf extract does not have a significant lethal effect on R. linearis insects; it also provides mortality of only 33%. 60,65 Apart from the data in the table, there was also termiticidal activity against Coptotermes sp. observed every two days during the ten days of observation.…”

Bintaro (Cerbera odollam and Cerbera manghas): an overview of its eco-friendly use, pharmacology, and toxicology

“…The Bintaro plant comprises of active phytochemicals that can be used as organic bioinsecticidal, pesticides, and for larvicidal effects, and thus, the use of natural insecticides and pesticides in agricultural fields can suppress the growth of insects, reduce damage to crops and increase crop production (Haryanta et al 2020 ). It was found that the extract from the Bintaro plant possesses an inhibitory and lethal effect on the development of Riptortus linearis , a pod-sucking pest that infects soybean plants and can affect plant production both qualitatively and quantitatively (Haryanta et al 2020 ; Krisnawati and Adie 2018 ). Bintaro is also reported to have biological activity against insects as a growth inhibitor, food deterrent, etc.…”