The prospect of using botanical insecticides to control the insect pests is very promising. However, there are some factors limiting their efficacy. Short release rate at the point contact, the inherent volatility and vulnerability to oxidation and ultra-violet light are causing phytochemical changes during the application. The use of nanoparticles is a novel technology with their potency to maximize the efficacy of phytochemicals. One of the promising plants contained insecticidal compound is Acorus calamus. The main compound of A. calamus, α and β-asarone with the latest is predominantly. The improvement of β-asarone on silica nanoparticle was evaluated against the cabbage heart worm (Crocidolomia pavonana). The bioactivity of the nanoformulation was identified by the larvae mortality using immersion methods. Several findings have been achieved. In term of findings, it showed that β-asarone formulated in silica nanoparticles can increase their efficacy. The formulation reduced the insect development and reduced the number of survived insects. The synergistic effect found on the formulation. This can be determined from the increasing of the number of death larvae and pupae.
This study aims to determine (1) the influence of educational background, years of service and training on the performance of Early Childhood Education (ECE) teachers, (2) the effective contributions of educational background, years of service, and training to the performance of ECE teachers, and (3) the relative contributions of educational background, years of service, and training to the performance of ECE teachers. This research belongs to a quantitative correlational study. The study population involved all ECE teachers in Banyudono District, Boyolali Regency, Indonesia. Samples were taken by random sampling. Data on the educational background, years of service and training of the teachers were collected through documents. Teacher performance data were obtained using a questionnaire. The data analysis technique utilized a multiple linear regression. The study revealed the following findings: (1) simultaneously there was a significant influence between educational background, years of service, and training on the performance of ECE teachers, but partially the educational background had no influence on the teacher performance, (2) the effective contributions to teacher performance were 3.35% from the educational background, 18.73% from years of service, and 19.79% from training and (3) the relative contributions to the performance of teachers were 6.82% from the educational background, 48.18% from years of service and 43.19% from training.
Proses pertumbuhan dan perkembangan pada balita membutuhkan nutrisi bergizi. Pemenuhan status gizi dimulai dari bayi dan dilanjutkan dengan Makanan Pendamping ASI (MP ASI). Jumlah balita di Wilayah Kerja Purwokerto Timur II yaitu 1051 balita. Tujuan pengabdian ini memberikan pendidikan kesehatan dengan metode demonstrasi tentang MP ASI untuk meningkatkan pengetahuan dan keterampilan para ibu. Metode yang digunakan yaitu pretest, ceramah, demonstrasi, diskusi, pembagian buku saku, praktik langsung dan diakhiri dengan post test. Jumlah peserta pada penyuluhan adalah 25 peserta. Hasil kegiatan yaitu tingkat pengetahuan sebelum dilakukan pendidikan kesehatan terdiri dari baik 20% (5 peserta) meningkat menjadi 68% (17 peserta) dengan pengetahuan baik. Diharapkan ada penyuluhan rutin untuk para ibu balita agar dapat memberikan MP ASI dengan tepat.
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