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All Journal EUGENIA Journal of Agriculture (JoA)
Deflly Ansye Shilfana Turang
Universitas Sam Ratulangi
Agriculture, Biological Sciences & Forestry

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PEMANFAATAN EKSTRAK KASAR BATANG SERAI UNTUK PENGENDALIAN LARVA Crosidolomia binotalis Zell. PADA TANAMAN KUBIS Makal, Henny V. G.; Turang, Deflly A. S.
EUGENIA Vol 17, No 1 (2011)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.17.1.2011.95

Abstract

Theresearch wasaimed to assess effect of some concentrations of lemon grass stem extract to C.binotalis larvae. The advantage of the research was to give information the use lemon grass stemextract as a botanical insecticide to control C. binotalis larvae. The result showed that after applicationof the lemon grass stem extract, the C. binotalis larvae showed symptoms such as inactive of eating,inactive of movement and eventually death of larvae C. binotalis.The death of larvae was showingchanging of color at dorsal and ventral. The color at the dorsal became pale yellow and the color atventral turned to light brown.The death larvae subsequently were hardened and the entire body thelarvae were blackish brown.The percentage of C. binotalis larvae mortality increased when theconcentration of lemon grass stem extract was also increased.Concentration 80 g/50 ml resulted 95 %death of total tested larvae. It could be concluded thatlemon grass stem extract can be used to controllarvae of C.binotalis on cabbage. ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh beberapa konsentrasi ekstrak batang seraiterhadap larva C. binotalis. Manfaat dari penelitian ini adalah untuk memberikan informasi tentangpenggunaan ekstrak batang serai sebagai insektisida botani untuk mengendalikan larva C. binotalis.Gejala kematian larva C. binotalis setelah aplikasi ekstrak batang serai pada awalnya larva kelihatangelisah, tidak aktif makan kemudian menjadi tidak aktif bergerak dan akhirnya mati. Larva yang matiterjadi perubahan warna, pada bagian dorsal berwarna kuning pucat dan bagian ventral berwarnacoklat muda dan lama kelamaan seluruh tubuh mengeras dan berwarna coklat kehitaman. Hasilpenelitian menunjukan bahwa persentase mortalitas larva C binotalis meningkat seiring denganmeningkatnya konsentrasi ekstrak batang serai yang diaplikasikan. Pada konsentrasi ekstrak batangserai 80g/ml menyebabkan mortalitas sebesar 95% dari keseluruhan larva uji. Berdasarkan hasil ini,ekstrak batang serai dapat digunakan untuk mengendalikan larva C. binotalis pada kubis.
COMPOUND CONTENT OF LOCAL CURCUMIN (CURCUMA XANTHORRHIZA) IN NORTH SULAWESI, INDONESIA Langimanapa Sofia Demmassabu; Frangky Jessy Paat; Deflly Ansye Shilfana Turang; Selvie Tumbelaka; Christine F Mamuaja; Sofia Wantasen; Marjam M. Toding; Jantje Pongoh; Jeanne Martje Paulus
Journal of Agriculture Vol. 2 No. 02 (2023): Research Articles, July 2023
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v2i02.2751

Abstract

This Zingiberaceae plant is widely used as medicine, including temulawak. Because curcuma (C.xanthorrhiza) is a medicinal plant that has many benefits and includes plants needed in large quantities compared to other medicinal plants. Traditionally rhizomes Temulawak is used to treat stomach ailments, liver disorders, constipation, diarrhea, dysentery, fever, hemorrhoids, hypotriglyceridaemic, and anti-inflammatory. Study about plant Curcuma local ignite still not enough researched so that not yet get information compounds which contained in the local curcuma of North Sulawesi for the development for biopharmaceutical development, mapping in the distribution of plants, ecology, plant conservation and protection to maintain local wisdom. Histochemical Test is a method to determine the content of chemical compounds in a plant tissue qualitative. Testing can be done by adding a special reagent or solution to the incision organ plant and will give color which Specific. Activity study this will test curcumin compound group on local ginger from North Sulawesi by histochemical method. research that done is study non experiment with design descriptive qualitative. The results showed that North Sulawesi local white temulawak powder contained curcumin in a sample with a sample weight of 0.10 g at a sample spotting volume of 20 µl with a sample spotting volume of 2040 nanograms, curcumin levels were <0.10 nanograms/mg. Curcumin biosynthesis is influenced by site conditions, agro-climate, genotype, and plant cultivation.
Co-Authors Christine F Mamuaja Frangky J. Paat Henny V. G. Makal Jantje Pongoh Jeanne Martje Paulus Langimanapa Sofia Demmassabu MARJAM M. TODING Selvie Tumbelaka Sofia Wantasen