Abstract
Sakir et al, 2018. Utilization of Refugia in Increasing Rice Production Based on Local Wisdom. JLSO 7(1): The use of refugia as a habitat for natural enemies of rice pest organisms has not been widely used by farmers on an ongoing basis in preserving the environment. Therefore, this research aimed to observe the effect of utilizing refugia on rice production. Based on observations for 18 weeks in 3 hectares rice field, field with refugia harbored an abundance of natural enemies or predators including dome beetles (Micraspis sp.), Tomcat (Paederus littoralis), needle dragonflies (Zygoptera sp), praying grasshoppers (Stagmomantis carolina), spiders hunters (Oxyopes javanus), nets making spider (Tetragnatha maxillosa), and wasps (Polistes sp.). Insect pest infestations of white pest/leaf roller (Nymphula depunctalis), fake white pest/leaf folding (Cnaphlacorosis medinalis), white rice stem borer (Tryporyza innotata), and walang sangit (Leptocorisa acuta) was low. The rice field with plant refugia in 2018 produced 8.13 tons compared to 5.4 tons of rice grain/ha of the preceding year (2017) of yield without refugia. Plant refugia can be applied to increase swamp rice yield.
Highlights
The purpose of this study was to determine the utilization of refugia as a natural enemy of rice pest organisms in order to increase rice production sustainably
The study was conducted on a 3-hectare plot of land in Pemulutan Ulu Village, Pemulutan District, Ogan Ilir Regency, South Sumatra
The exploratory method was used with a cross sectional approach to analyze the intensity of the existence of natural enemies and rice pest disruptors, correlating with rice production
Summary
The purpose of this study was to determine the utilization of refugia as a natural enemy of rice pest organisms in order to increase rice production sustainably. Refugia adalah wadah untuk perlindungan bagi musuh alami dan predator yang bermanfaat bagi tanaman padi Refugia dapat meningkatkan peluang lingkungan musuh alami dalam pengendalian hama yang mengganggu tanaman padi (Allifah et al, 2013).
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