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Jurnal Bios Logos
Published by Universitas Sam Ratulangi
ISSN : 20889569     EISSN : 26563282     DOI : https://doi.org/10.35799/jbl.11.2.2020.28153
Core Subject : Health, Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology
JURNAL BIOS LOGOS is the journal published by Department of Biology, Faculty of Mathematics and Natural Sciences, Sam Ratulangi University. The aims of the journal are to publish original research papers and article review in biology science i.e. botany, zoology, molecular biology, microbiology, ecology, diversity and conservation, taxonomy and biogeography. BIOS LOGOS is published two times per year (February and August)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 219 Documents
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Jenis-Jenis Tumbuhan Suku Zingiberaceae di Cagar Alam Pangi Binangga Sulawesi Tengah Ramadanil, Ramadanil; Rizaldi, Reza; M Saleh, M Fajri Ramadan; Ramawangsa, Panji
JURNAL BIOS LOGOS Vol 11, No 1 (2021): JURNAL BIOS LOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.11.1.2021.31260

Abstract

(Article History: Received 14 November 2020; Revised 15 December 2020; Accepted 5 January 2021) ABSTRAKPenelitian tentang keanekaragaman jenis jahe-jahean (Zingiberaceae) di Cagar Alam Pangi Binangga telah dilakukan dari bulan Oktober 2019 - Januari 2020. Penelitian bertujuan untuk mengkaji jenis-jenis tumbuhan yang tergolong Zingiberaceae di Cagar Alam Pangi Binangga. Penelitian dilakukan secara survei di lapangan, menggunakan metoda eksplorasi (jelajah). Identifikasi spesimen dilakukan di Laboratorium Biosistematika Tumbuhan Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Tadulako. Hasil penelitian menunjukan terdapat sebanyak 8 jenis yang terdiri atas 4 marga. Jenis yang ditemukan adalah Alpinia eremoclamis, A. rubricaulis, Alpinia sp1, Alpinia sp2, Etlingera tubilabrum, Etlingera sp., Sulettaria sp. dan Zingiber sp.Kata kunci: Cagar Alam Pangi Binangga; Sulawesi Tengah; Zingiberaceae ABSTRACTResearch on Diversity of ginger (Zingiberaceae) in the Pangi Binangga Nature Reserve has been carried out from October 2019 - January 2020. The research was aimed to determine the species of plants belong to Zingiberaceae family in the Pangi Binangga Nature Reserve. The study was conducted by survey in the field, using exploration methods (exploring). Specimen identification was carried out at the Plant Biosystematics Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Tadulako University. The results showed as many as 8 species consisting of 4 genera. The species found were Alpinia eremoclamis, A. rubricaulis, Alpinia sp1, Alpinia sp2, Etlingera tubilabrum, Etlingera sp., Sulettaria sp. dan Zingiber sp.Keywords: Pangi Binangga Nature Reserve; Central Sulawesi; Zingiberaceae 
Transformasi dan Ekspresi Transien Gen Pelapor Gusa pada Andrographis paniculata (Burm.F.) Wallich Ex Ness (Transformation and Expression of Reporter Gene Gusa on Andrographis paniculata (Burm.F.) Wallich Ex Ness) Tangapo, Agustina Monalisa
JURNAL BIOS LOGOS Vol 2, No 1 (2012): Jurnal Bioslogos
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.2.1.2012.375

Abstract

AbstrakAndrographis paniculata diketahui mengandung senyawa andrografolid, yaitu suatu metabolit sekunder yang memberikan efek farmakologi berupa hepatoprotektif, antiviral dan antikanker. Dalam penelitian ini dilaporkan studi awal prosedur transformasi genetik A. paniculata dengan perantara Agrobacterium tumefaciens. Eksplan daun A. paniculata diinkubasi dengan Ag. tumefaciens strain LBA4404 yang mengandung vektor ganda pCAMBIA1304 dengan gen hpt sebagai gen penanda untuk resistensi higromisin dan gen gusA sebagai gen pelapor. Setelah kokultivasi, eksplan daun dikultur pada medium seleksi yang mengandung higromisin 20 mg L-1 dan sefotaksim 400 mg L-1. Hasil uji histokimia GUS pada potongan daun setelah tiga hari kokultivasi menunjukkan ekspresi transien GUS mencapai 18,83%. Sebanyak 64,44% jaringan A. paniculata yang telah berhasil ditransformasi menunjukkan regenerasi sel dengan menghasilkan kultur kalus transforman pada medium yang mengandung 20 mg/L higromisin.Kata kunci: transformasi genetik, Agrobacterium tumefaciens, Andrographis paniculata, asai GUS.AbstractAndrographis paniculata is known to contain andrographolide, a secondary metabolite which shows pharmacology effects such as hepatoprotective, antiviral and anticancer. We established an Agrobacterium tumefaciens-mediated transformation procedure for A. paniculata. Leaf explants of A. paniculata were incubated with Ag. tumefaciens strain LBA4404 containing a binary vector pCAMBIA1304 with the hpt gene as a selectable marker for hygromycin resistance and an gusA gene as a reporter gene. Following co-cultivation, leaf explants were cultured on selective medium containing 20 mg L-1 hygromycin and 400 mg L-1 cefotaxime. GUS assays showed that only 18.83 % transformation frequency was obtained in leaf disk tissues after 3 days co-cultivation. As much as 64.44 % of the transformed tissue on MS medium containing selection agent 20 mg/L hygromycin showed cell regeneration to produce calluses.Keywords: genetic transformation, Agrobacterium tumefaciens, Andrographis paniculata, GUS assay.
Fungi Tanah Perkebunan Kopi dan Potensinya sebagai Agen Antagonis (The Soil Fungi of The Coffee Plantation And Its Potential as Antagonistic Agent) Samingan, Samingan
JURNAL BIOS LOGOS Vol 5, No 1 (2015): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.5.1.2015.9318

Abstract

Abstrak Fungi tanah dari perkebunan kopi telah diisolasi untuk mendapatkan fungi antagonistik sebagai pengendali hayati untuk patogen busuk akar kopi. Sampel diambil dari 3 kecamatan di Kabupaten Bener Meriah Provinsi Aceh. Isolasi fungi dilakukan dengan metode pengenceran. Hasil penelitian menunjukkan bahwa fungi yang diisolasi dari perkebunan kopi Kabupaten Bener Meriah tidak menunjukkan adanya perbedaan indeks keragaman dan kemerataan. Ditemukan tiga kelompok fungi yang dominan ditemukan di 3 lokasi pengambilan sampel, yaitu Aspergillus, Penicillium dan Trichoderma. Hasil uji antagonistik menunjukkan bahwa Trichoderma sp2 memiliki kemampuan antagonistik yang lebih tinggi terhadap fungi patogen busuk akar kopi. Kata-kata kunci: fungi antagonis, fungi patogen, fungi tanah, busuk akar kopi   Abstract Soil fungi of the coffee plantation was isolated to find the antagonistic fungi as biocontrol agent for pathogenic fungi of coffee root rot. Samples were obtained from three subdistrict of Bener Meriah Regency in Aceh Province. Fungi isolates were obtained by the dilution method. The results showed that the fungi isolates from coffee plantation in Bener Meriah Regency were not different in diversity and evenness indices. There were three groups of dominant fungi in these 3 sampling locations, i.e. Aspergillus, Penicillium and Trichoderma. Based on antagonistic test, Trichoderma sp2 was able to inhibit the pathogenic fungi of coffee root rot. Key words: antagonistic fungi, pathogenic fungi, soil fungi, coffee root rot
Keanekaragaman Lamun di Pantai Kora-Kora, Kecamatan Lembean Timur Kabupaten Minahasa Sulawesi Utara (The Diversity of Seagrass in Kora-kora Beach, East Lembean District, Minahasa Regency, North Sulawesi Province) Wondal, Yuniarti Yurike; Rondonuwu, Sendy; Maabuat, Pience V
JURNAL BIOS LOGOS Vol 7, No 2 (2017): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.7.2.2017.18578

Abstract

Abstrak Penelitian dilakukan di Pantai Kora-Kora, Kecamatan Lembean Timur, Kabupaten Minahasa, Provinsi Sulawesi Utara dari Mei hingga Juni 2017. Penelitian bertujuan untuk menganalisis keanekaragaman lamun di Pantai Kora-Kora. Penelitian menggunakan metode purposive random sampling untuk menentukan lokasi penelitian. Hasil penelitian menunjukan bahwa di Pantai Kora-Kora, Kecamatan Lembean Timur ditemukan enam (6) jenis lamun yang termasuk dalam dua (2) suku yaitu Hidrocharitaceae meliputi Enhallus acoroides, Thallasia hemprichii, dan Halodule uninervis dan Cymodoceaceae yaitu Cydomocea rotundata, C. serrulata dan Syringodium isoetifolium.  Jenis-jenis tersebut ialah lamun yang tersebar di pesisir tropis Indo-Pasifik. Jenis yang berperan penting berdasarkan INP di Stasiun I, II dan III berturut-turut yaitu E. acoroides (58,50%), H. uninervis (58,60%) dan S. isoetifolium (63,0%). Indeks keanekaragaman jenis lamun di lokasi penelitian di Panta Kora-kora termasuk sedang (H’:1,71).   Kata kunci: Pantai Kora-Kora, keanekaragaman lamun. Abstract The research was conducted in the Kora-Kora Beach, East Lembean District, Minahasa Regency, North Sulawesi Province from May to June 2017. The aim of study was to analyze the diversity of seagrass on Kora-Kora Beach. The purposive random sampling method was used in this research to determine the research locations. The results showed that Kora-Kora Beach had six (6) seagrass species that were included in two (2) families namely Hidrocharitaceae ( Enhallus acoroides, Thallasia hemprichii, Halodule uninervis) and Cymodoceaceae (Cydomocea. rotundata, C. serrulata and Syringodium isoetifolium). These seagrass species were found in the tropical Indo-Pacific coastlines. The important species based on Importance Value Index  in Station I, II and III were E. acoroides (58.50%), H. uninervis (58.60%) and S. isoetifolium (63.0%), respectively. The seagrass species diversity index in the study areas in the Kora-kora Beach was moderate (H ': 1.71).Keywords:  Kora-Kora Beach, seagrass diversity.
Respon Pertumbuhan Vegetatif Sawi Hijau (Brassica rapa l. Var. Tosakan ) Akibat Pemberian PGPR (Plant Growth Promoting Rhizobacteria) yang Dikombinasikan dengan Pupuk Kompos dan NPK Sagay, Kezia Sisilia; Siahaan, Parluhutan; Mambu, Susan
JURNAL BIOS LOGOS Vol 10, No 2 (2020): JURNAL BIOS LOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.11.2.2020.29017

Abstract

ABSTRAKSawi hijau (Brassica rapa L. var. Tosakan ) adalah salah satu komoditi sayuran yang sudah banyak dibudidayakan. Kebutuhan masyarakat terhadap sawi hijau semakin meningkat sehingga dari permintaan konsumen sawi hijau layak dikembangkan. Faktor penting dalam budidaya tanaman yang menunjang keberhasilan produksi sawi hijau yaitu pemupukan. Penelitian ini bertujuan untuk menguji respon pertumbuhan tanaman sawi hijau (Brassica rapa L. var. Tosakan ) akibat pemberian PGPR (Plant Growth-romoting Rhizobacteria) yang dikombinasikan dengan pupuk kompos maupun NPK. Penelitian ini terdiri atas lima perlakuan yang diulangi sebanyak lima kali: P0 (tanah kebun sebagai kontrol), P1 (tanah kebun ditambah pemberian PGPR), P2 (tanah kebun, kompos ditambah pemberian PGPR), P3 (tanah kebun ditambah pupuk NPK dengan pemberian PGPR), P4 (tanah kebun ditambah NPK). Hasil penelitian menunjukan bahwa PGPR dapat meningkatkan pertumbuhan sawi hijau yang lebih baik dibandingkan dengan kontrol. Kombinasi PGPR yang memberikan hasil terbaik adalah perlakuan  PGPR yang dikombinasikan dengan pupuk NPK.Kata kunci: Sawi hijau; PGPR; Pupuk kompos; Pupuk NPK. ABSTRACTGreen mustard (Brassica rapa L. var. Tosakan) is a vegetable commodity that has been widely cultivated. Community needs for green mustard are increasing, so that the demand for green mustard consumers is worth developed. An important factor in crop cultivation that supports the success of mustard greens production is fertilization. Study aims to examine the growth response of green mustard plants (Brassica rapa L. var. Tosakan) due to the administration of PGPR (Plant Growth-romoting Rhizobacteria) combined with compost or NPK fertilizer. This study consisted of five treatments that were repeated five times: P0 (farmland as a control), P1 (garden land plus PGPR application), P2 (garden land, compost plus PGPR application), P3 (garden land plus NPK fertilizer with granting PGPR), P4 (garden land plus NPK). The results of the study showed that PGPR could generally increase the growth of green mustard better than controls. The combination of PGPR that provided the best results was the PGPR and NPK fertilizer combination.Keywords: Green mustard, PGPR, Compost fertilizer, NPK fertilizer.
Diversitas Laba-laba (Predator Generalis) pada Tanaman Kacang Merah (Vigna angularis) di Kecamatan Tompaso, Kabupaten Minahasa (The Diversity of Spider (Predator Generalis) in Kidney Bean (Vigna angularis) Plant Cultivated in Tompaso District, Minahasa R Maramis, Redsway TD
JURNAL BIOS LOGOS Vol 4, No 1 (2014): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.4.1.2014.4840

Abstract

Abstrak Laba-laba (Araneae) adalah salah satu agen biologis yang sangat ampuh dalam pengendalian hama serangga pada ekosistem. Komposisi laba-laba yang dikumpulkan di kebun tanaman kacang merah terdapat 237 individu yang termasuk 19 genus, dan 10 famili. Hasil analisis indeks keanekaragaman laba-laba pada tanaman kedelai menunjukkan pada fase awal pertumbuhan tanaman atau pada pengamatan pertama adalah yang terendah (H'= 1,97), sedangkan tertinggi pada pengamatan kedua (H' = 2,97) , kemudian diikuti oleh pengamatan ketiga atau dalam fase pembuahan (H '= 2,68).   Abstract Spiders (Araneae) are one of the biological agents that are very potential for insect pest control in the ecosystem. The number of spiders that are collected in kidney bean plant field is 237 and consisted of 19 genus and 10 families. The result of spider diversity index analysis in kidney bean plant showed on the first step of plants growth or on the first observation are the lowest        (H’ = 1,97), whereas the highest on the second observation (H’ = 2,97), then followed by the third observation or in fertilization phase (H’ = 2,68). Keywords : spiders, diversity, kidney bean
Keanekaragaman Vegetasi Riparian Sungai Polimaan, Minahasa Selatan – Sulawesi Utara (Riparian Vegetation Diversity of Polimaan River, South Minahasa- Sulawesi Utara) Bental, Winda Puspita; Siahaan, Ratna; Maabuat, Pience Vera
JURNAL BIOS LOGOS Vol 7, No 1 (2017): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.7.1.2017.16254

Abstract

Abstrak Degradasi riparian akibat aktivitas manusia dapat menyebabkan penurunan vegetasi riparian yang akan berdampak pada fungsi dalam mempertahankan kualitas air sungai, habitat hidupan liar dan menurunkan jasanya bagi kesejahteraan manusia. Penelitian vegetasi riparian Sungai Polimaan dilakukan untuk menganalisis keanekaragaman vegetasi riparian Sungai Polimaan. Penelitian dilakukan dari Desember 2016 sampai Maret 2017 di sepanjang sungai dari hulu, tengah hingga hilir Sungai Polimaan. Metode analisis vegetasi transek petak sistematik dilakukan pada tingkat rumput, semai, pancang, tihang dan pohon. Vegetasi riparian yang ditemukan di Sungai Polimaan sebanyak 665 individu, 68 spesies, 41 suku. Keanekaragaman vegetasi riparian (H’) secara keseluruhan tergolong sedang untuk tingkat rumput (1,55), pancang (1,53), tihang (1,64) dan pohon (1,76) dan tergolong tinggi pada tingkat semai (3,59).  Upaya pengelolaan zona riparian diperlukan untuk mempertahankan keanekaragaman vegetasi riparian di Sungai Polimaan. Kata kunci: keanekaragaman, Sungai Polimaan, vegetasi riparian. Abstract Riparian degradation due to human activities can lead to decreased riparian vegetation that affects riparian function to maintain river quality, wildlife habitat and riparian services for human well-being. The riparian vegetation research of the Polimaan River was conducted to analyze the diversity of riparian vegetation of the Polimaan River. The study was conducted from December 2016 to March 2017 along river from upper, middle to down the Polimaan River. Method of systematic transect vegetation analysis was carried out at the levels of grass, seedling, stake, banana and tree. The riparian vegetation found in the Polimaan River consisted of 665 individuals, 68 species, 41 families. Riparian vegetation diversity (H ') could be classified into middle diversity for grass (1.55), sapling (1.53), poles (1.64) as well as tree (1.76), and high diversity for seedlings (3.59). Riparian zone management are required to preserve the diversity of riparian vegetation of Polimaan River.Key words: biodiversity, Polimaan River, riparian vegetation
Efektivitas Ekstrak Serai Wangi (Cimbopogon nardus L.) sebagai Larvasida Nyamuk Aedes aegypti Makkiah, Makkiah; Salaki, Christina L; Assa, Berty
JURNAL BIOS LOGOS Vol 10, No 1 (2020): JURNAL BIOS LOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.10.1.2020.27977

Abstract

Efektivitas Ekstrak Serai Wangi (Cimbopogon nardus L.) sebagai Larvasida Nyamuk Aedes aegypti (The Effectiveness of Citronella Extract (Cymbopogon nardus) as Larvaside of Aedes aegypti) Makkiah*), Christina L Salaki **), Berty AssaProgram Studi Entomologi Pascasarjana Universitas Sam RatulangiManado, 95155*Email: khiaimoet@gmail.com,**Email korespondensi: christinasalaki@ymail.com  (Article History: Received 20-10-2019; Revised 27-11-2019; Accepted 30-12-2019) AbstrakPengendalian nyamuk sebagai vektor utama penularan penyakit DBD hanya dapat dilakukan dengan cara memutuskan rantai penularannya melalui pengendalian nyamuk. Pengendalian nyamuk dapat dilakukan pada tahap larva dengan menggunakan biolarvasida yang terbuat dari bahan alami dan salah satunya adalah dengan menggunakan ekstrak kasar dari tanaman serai wangi (Cymbopogon nardus). Penelitian ini bertujuan untuk menguji efektivitas ekstrak serai wangi sebagai larvasida larva Aedes aegypti instar III dan IV. Penelitian ini adalah penelitian eksperimental menggunakan rancangan acak lengkap. Larva yang digunakan adalah larva instar III dan IV, dengan  perlakuan konsentrasi ekstrak serai wangi 20%, 30%, 40%, dan 50% dalam 250 ml air. Pada penelitian ini terdapat kontrol yaitu aquades yang tidak ditambahkan larutan apapun. Pengamatan kematian larva dilakukan pada jam ke 1, 3, 6, 12, 24, dan jam ke 48 dengan replikasi sebanyak 4 kali. Data presentase mortalitas larva digunakan untuk menghitung nilai LC50 dan LT50 dengan menggunakan analisisi Probit. Hasil penelitian menunjukkan ekstrak serai wangi efektif dalam mematikan 50% dari populasi  larva uji  dengan  nilai LC50 pada konsentrasi 36,48%serta waktu yang di butuhkan untuk mematikan  50% populasi larva uji adalah 10,45 jam. Kata kunci : Ekstrak, Cymbopogon nardus, larvasida, Aedes aegypti AbstractControl of mosquitoes as the main vector of transmission of DHF can only be done by breaking the chain of transmission through mosquito control. Mosquito control can be carried out at the larval stage by using biolarvasides made from natural materials, one of which is by using a crude extract from the citronella plant (Cymbopogon nardus). This research is to find out the effectiveness of citronella extract as larvae of Aedes aegypti larvae instar III and IV. This research is a pure experimental study using a complete random design. The larvae used were instar larvae III and IV, with the treatment of citronella extract concentration of 20%, 30%, 40%, and 50% in 250 ml of water. In this study, there was a control i.e. aquades which did not add any solution. Observation of larvae death was done at 1 hour, 2 hours. 4 hours, 12 hours, 24 hours and 28 hours with replication 4 times. Data on larval mortality were used to calculate LC50 and LT 50 values using Probit regression analysis. The results showed that citronella extract was effective in killing 50% of the population of test larvae with LC50 values at a concentration of 36.48% and the time needed to kill 50% of the population of test larvae was 10,450 hours.Keywords:  Extract, Cymbopogon nardus, larvasida, Aedes aegypti
Uji Ekstrak Daun Tithonia diversifolia sebagai Penghambat Daya Makan Nilaparvata lugens Stal. pada Oryza sativa L. (Evaluation of Tithonia diversifolia Leaf Extract as Feeding Capacity Inhibitor of Nilaparvata lugens in Oryza sativa L.) Mokodompit, Tri A.; Koneri, Roni; Siahaan, Parluhutan; Tangapo, Agustina M
JURNAL BIOS LOGOS Vol 3, No 2 (2013): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.3.2.2013.4430

Abstract

AbstrakWereng Batang Coklat (WBC) (Nilaparvata lugens Stal.) merupakan serangga hama yang dapat merusak tanaman padi (Oryza sativa L.). Tanaman kipait (Tithonia diversifolia) berpotensi sebagai insektisida nabati karena memiliki senyawa toksik terhadap serangga. Penelitian ini bertujuan untuk mengkaji aktifitas makan akibat pemberian ekstrak daun kipait. Konsentrasi ekstrak daun kipait yang digunakan adalah 0% (kontrol), 1%, 3%,5% dan 7% dalam RAL (Rancangan Acak Lengkap) dengan 5 kali ulangan. Hasil penelitian menunjukkan bahwa pemberian ekstrak daun kipait berpengaruh terhadap penghambatan daya makan WBC. Penghambatan makan tertinggi terjadi pada konsentrasi 7% setelah 24 jam.Kata kunci : penghambatan daya makan, Nilaparvata lugens Stal., Tithonia diversifoliaAbstractBrown planthopper (BPH) (Nilaparvata lugens Stal.) Is an insect pest that can damage rice plants (Oryza sativa L.). Kipait (Tithonia diversifolia) is potential as a bioinsecticide because it is toxic to insects. This study aimed to evaluate the feeding activity that was influenced by kipait leaf extract. The concentration of kipait leaf extract were 0% (control), 1%, 3%, 5% and 7%. The experiment design was CRD (completely randomized design) with 5 replications. The results showed that the kipait leaf extract influenced the feeding inhibition of BHP. The highest inhibition occurred in the concentration of 7% after 24 hours treatment.Keywords : brown planthopper, feeding inhibition, Tithonia diversifolia
Efektifitas Daun Sirsak (Anona muricata L) dan Daun Gamal (Gliricidia sepium) dalam Pengendalian Hama Walang Sangit (Leptocorisa acuta T) pada Tanaman padi Effectiveness of Soursop Leaf (Anona muricata L) and Gliricidia Leaf (Gliricidia sepium) to Contr Lebang, Midy San; Taroreh, Dantje; Rimbing, Jimmy
JURNAL BIOS LOGOS Vol 6, No 2 (2016): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.6.2.2016.13792

Abstract

Abstrak Penelitian ini bertujuan menguji efektifitas ekstrak daun sirsak dan daun gamal sebagai pengendali hama walang sangit  pada tanaman padi. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 2 perlakuan yaitu jenis ekstrak dan konsentrasi ekstrak. Perlakuan 1 yaitu jenis ekstrak daun (A): sirsak (A1) dan gamal (A2), perlakuan 2 yaitu konsentrasi ekstrak (K): Kontrol (K0), 5% (K1), 10% (K2), 15% (K3), dan 20% (K4). Hasil penelitian menunjukkan bahwa ekstrak daun sirsak efektif terhadap mortalitas walang sangit tertinggi pada konsentrasi 20% (83%) dan yang terendah pada konsentrasi 0% (0 %). Ekstrak daun gamal juga efektif terhadap mortalitas walang sangit tertinggi pada konsentrasi 20% (74%) dan yang terendah pada konsentrasi 0% (0%). Waktu kematian pada hari pertama setelah aplikasi dengan rata-rata mortalitas tertinggi berada pada perlakuan ekstrak daun sirsak 20% (30%) dan daun gamal 20% (28%) dan terendah berada pada perlakuan ekstrak daun sirsak 0% (0%) dan daun gamal 0 % (0%). Kata kunci: daun gamal, daun sirsak, tanaman padi, walang sangit Abstract This study aimed to evaluate the effectiveness of soursop leaf extract and gliricidia leaves as pest control of walang rice (L. acuta) in the rice plants. This study used a completely randomized design (CRD) with 2 treatments, i.e. extract type and extract concentration. The treatment of extract type (A) were soursop (A1) and Gamal (A2), whereas the treatment  of extract concentration (K) were control (K0), 5% (K1), 10% (K2), 15% (K3), and 20% (K4). The results showed that the soursop leaf extract was effective to control sangit walang with the highest mortality was in the concentration of 20% (83%) and the lowest was in the concentration of 0% (0%). Gliricidia leaf extract was also effective to control sangit walang with the highest mortality in the concentration of 20% (74%) and the lowest was in the concentration of 0% (0%). The mortality time was on the first day of the application with the average highest mortality was in the treatment of 20% soursop leaf extract  (30%)and 20% gliricidia leaves (28%) respectively. The lowest mortality was in the treatment of 0% soursop leaf extract (0%) and 0% gliricidia leaves (0%).Keywords: gliricidia leaves, rice plant, soursop leaves, walang rice pest

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