Retno Wijayanti
JURUSAN ADMINISTRASI PUBLIK FAKULTAS ILMU SOSIAL DAN ILMU POLITIK UNIVERSITAS DIPONEGORO SEMARANG

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LEPIDOPTERA DAN PARASITOID YANG BERASOSIASI PADA TANAMAN KENANGA (CANANGA ODORATA (LAM.) HOOK.F. & THOMSON) Himawati, M. Kamilah; Wijayanti, Retno
Caraka Tani - Jurnal Ilmu Ilmu Pertanian Vol 25, No 1 (2010)
Publisher : Caraka Tani - Jurnal Ilmu Ilmu Pertanian

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Abstract

Tujuan penelitian ini adalah untuk mengidentifikasi  Lepidoptera dan parasitoid bahwa berasosiasi pada C. odorata . Penelitian dilakukan di Laboratorium Hama dan Penyakit Fakultas Pertanian UNS dan di lapangan lokasi penanaman di Banyudono, Kabupaten Boyolali, Jawa Tengah. Pengamatan dilakukan dari hasil semaian bibit tanaman Kenanga.  Lepidopteran (larvae, pupae, dewasa) dan parasitoids yang diambil dan  diidentifikasi   di  laboratorium.   Larva  dan  pupa  yang  terjangkit   oleh  parasitoid  atau  pathogen dipisahkan   dan  dipelihara   untuk   menunggu   parasitoid   memuncul.   Koleksi   dari  Lepidopteras   dan parasitoids   diidentifikasi   dengan   membandingkan   gambar   diterminasi.   Identifikasi   dilakukan   pada beberapa  jenis yang ditemukan.  Pada penelitian  ini ditemukan  delapan jenis dari Lepidopteras  dan dua parasitoids.  Delapan  jenis dari Lepidopteras  terdiri dari jenis dari Lymantridae  keluarga,  Nymphalidae, Papilionidae,   Satyridae,  Psychidae,  dan  Saturniidae  (Cricula  trifenestrata     dan  Atlas  Attacus).  Dua parasitoid adalah Apanteles  sp. dan Pteromalus  sp.)
EFEKTIVITAS LIMBAH TEMBAKAU TERHADAP WERENG COKLAT DAN PENGARUHNYA TERHADAP LABA-LABA PREDATOR Tuti, Harlina Kusuma; Wijayanti, Retno; Supriyono, Supriyono
Caraka Tani - Jurnal Ilmu Ilmu Pertanian Vol 29, No 1 (2014): Articles in Press
Publisher : Caraka Tani - Jurnal Ilmu Ilmu Pertanian

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Abstract

Nilaparvata lugens Stal.is one of plant pest which damages rice field. The waste of tobacco contains nicotine which can use as botanical insecticide. This research was aimed to find out the effectiveness of tobacco waste in controlling brown planthopper and its effect then predator (Oxyopes javanus). The methode of this research applies Completed Randomized Design experiment. In this research, used the kind of tobacco waste and various concentration with triple repeating. The variables of this research were mortality and death period of brown  planthopper, mortality and eating capability of O.javanusviewed from direct and indirect application. The concentration 12,5% of tobacco roots extract cause mortality of brown planthopper reaches 93%. Furthermore, the concentration 12,5% of tobacco root extracts made the death period of brown planthopper faster than the other concentrations. Direct application of tobacco waste extracts did not cause of O.javanus. Indirect application of tobacco waste extract did not cause of death toward O.javanus, but caused eating capability of O.javanus. Extract from tobacco bark with concentration 3,125% dan 1,56% had the power repellent which was shown by O.javanus only eat 2,33 brown planthoppers per week.
EFEKTIVITAS LIMBAH TEMBAKAU TERHADAP WERENG COKLAT DAN PENGARUHNYA TERHADAP LABA-LABA PREDATOR Tuti, Harlina Kusuma; Wijayanti, Retno; Supriyadi, Supriyadi
Caraka Tani: Journal of Sustainable Agriculture Vol 29, No 1 (2014): March
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (387.556 KB) | DOI: 10.20961/carakatani.v29i1.13294

Abstract

Nilaparvata lugens Stal.is one of plant pest which damages rice field. The waste of tobacco contains nicotine which can use as botanical insecticide. This research was aimed to find out the effectiveness of tobacco waste in controlling brown planthopper and its effect then predator (Oxyopes javanus). The methode of this research applies Completed Randomized Design experiment. In this research, used the kind of tobacco waste and various concentration with triple repeating. The variables of this research were mortality and death period of brown planthopper, mortality and eating capability of O. javanus viewed from direct and indirect application. The concentration 12,5% of tobacco roots extract cause mortality of brown planthopper reaches 93%. Furthermore, the concentration 12,5% of tobacco root extracts made the death period of brown planthopper faster than the other concentrations. Direct application of tobacco waste extracts did not cause of O. javanus. Indirect application of tobacco waste extract did not cause of death toward O. javanus, but caused eating capability of O .javanus. Extract from tobacco bark with concentration 3,125% dan 1,56% had the power repellent which was shown by O. javanus only eat 2,33 brown planthoppers per week.
Strategi Orang Tua Dalam Pendampingan Belajar Anak Selama Pandemi Covid-19 Rahmania, Shokhib; Wijayanti, Retno; Hakim, Shiddiq Luqman
Literasi : Jurnal Kajian Keislaman Multi-Perspektif Vol 1, No 1 (2020): December 2020
Publisher : IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/literasi.v1i1.3259

Abstract

Parental assistance often influences the role of children to maintain good habits. Assistance that is not optimal allows children to freely do bad things to themselves and others. This study aims to determine how parents can assist their children in learning during the Covid-19 pandemic. This research uses descriptive qualitative method. The method for data collection is interviews. The research sample consisted of parents of students at SD Islam Terpadu Taqiyya Rosyida Surakarta. In selecting the subject, the researcher took 3-5 respondents who were taken randomly. The results of the study identified that there is a lack of parents who do not pay much attention to their children's learning assistance by leaving it to their grandparents, uncle or aunt, or to their wives only. How to accompany learning with the method of games, storytelling, and assignments as well as supervision while learning.