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Lestari Wibowo
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THE WHITE-BELLIED PLANTHOPPER (HEMIPTERA: DELPHACIDAE) INFESTING CORN PLANTS IN SOUTH LAMPUNG, INDONESIA Susilo, Franciscus Xaverius; Swibawa, I Gede; ., Indriyati; Hariri, Agus Muhammad; ., Purnomo; Hasibuan, Rosma; Wibowo, Lestari; Suharjo, Radix; Fitriana, Yuyun; Dirmawati, Suskandini Ratih; ., Solikhin; ., Sumardiyono; Rwandini, Ruruh Anjar; Sembodo, Dad Resiworo; ., Suputa
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 1 (2017): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (427.494 KB) | DOI: 10.23960/j.hptt.11796-103

Abstract

The White-Bellied Planthopper (Hemiptera: Delphacidae) Infesting Corn Plants in South Lampung, Indonesia. Corn plants in South Lampung were infested by newly-found delphacid planthoppers. The planthopper specimens were collected from heavily-infested corn fields in Natar area, South Lampung. We identified the specimens as the white-bellied planthopper Stenocranus pacificus Kirkaldy (Hemiptera: Delphacidae), and reported their field population abundance.
Pengaruh Sifat Fisik Tanah terhadap Hama Simphylid Pada tanaman Nanas (Ananas comosus (L.) Merr) di PT. Great Giant Pineapple Terbanggi Besar Lampung Tengah Aji, Sandi; Afandi, Afandi; Wibowo, Lestari; Manik, K.E.S.
Jurnal Penelitian Pertanian Terapan Vol 15, No 3 (2015)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (77.046 KB) | DOI: 10.25181/jppt.v15i3.134

Abstract

This research was conducted in the planting area of pineapple (Ananas comosus) PT. GGP Terbanggi Besar Central Lampung indicated attacked by pests simphylid in March 2014 until May 2014. Analysis of soil physical properties carried out in the Laboratory of Soil Science, Department of Agrotechnology, Faculty of Agriculture, University of Lampung. The method used in this study is a survey method. Soil sampling conducted at three locations indicated simphylid pests. Soil sampling done at some point and some depth. Results from this research that pest symphilid most numerous in one location with a number of acquisition 172 tail where the location of the physical properties of good land which the density value of the content is low, the total pore low, macropores and high hardness low ground , allowing sinphylid be able to live and thrive. While at the location of two and three with the condition density value of the content is high, the total pore high, macropores low, and violence high soil pests simphylid not so much discovered as simphylid can not multiply and survive on the physical condition of poor soil Keywords: Pineapple, Symphilid, and physical properties of soil
INCIDENCE DYNAMIC OF POD ROT DISEASE OF COCOA CLONES IN LAMPUNG, INDONESIA Evizal, Rusdi; ,, Sugiatno; ,, Ivayani; Pujisiswanto, Hidayat; Wibowo, Lestari; Erry Prasmatiwi, Fembriarti
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 18, No 2 (2018): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.659 KB) | DOI: 10.23960/j.hptt.218105-111

Abstract

Incidence dynamic of pod rot disease of cocoa clones in Lampung, Indonesia. The declining of production and productivity of cocoa in Indonesia might due to pests and diseases attacks and planting unselected clones. Dynamic of pod rot incidence was important to plan pest controlling. To study dynamic incidence of some cocoa clones, a research was conducting in Pesawaran District, a centre of cocoa production in Lampung. A farmer cocoa plot under agro-forestry system was selected which had been upgrading in 2014 by pruning and side-grafting with national clones including Sul 1, MCC 1, MCC 2, ICCRI 7 and selected local clone named T1, T2, and T3. The results showed that pod rot incidence occurred along the year of observation. For immature pod, pod rot incidence was dynamic and varied among months and clones. There was high pod rot incidence every months for particular clone. National clone Sul1 and local clone T3 exhibited more tolerant to pod rot disease than other clones. Clones Sul1 and T3 also produced more pod than others. High incidence of pod rot occurred on fruit stage of cherelle (incidence 38.7%) and small pod (incidence 18.8%) that well known as cherelle wilt symptom.
DAMPAK APLIKASI INSEKTISIDA PERMETRIN TERHADAP HAMA PENGISAP BIJAIJ HELOPELTIS SPP. (HEMIPTERA: MIRIDAE) DAN ARTROPODA NON-TARGET PADA PERTANAMAN KAKAO (THEOBROMA CACAO L.) Hasibuan, Rosma; Swibawa, I Gede; Wibowo, Lestari; Pramono, Sudi; Hariri, Agus M
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 4, No 1 (2004): Maret, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1064.608 KB) | DOI: 10.23960/j.hptt.148-12

Abstract

Impact of Permethrin-Insecticide Application on Mirid Pest of Cocoa Helopeltis spp. (Hemiptera: Miridae) and on Non-target  Arthropods in Cocoa Plantations (Theobroma cacao L.). Cocoa mirid bugs, Helopeltis spp., (Hemiptera: Miridae) are the most important pest of cocoa in Indonesia. A field study was conducted to investigate the effect of permethrin on cocoa mirids and non-target arthropods at a cocoa plantation in specific place. A randomized complete block design was used in which each of four blocks consisted of 5 treatments (4 concentrations of permethrin; 50; 100; 200; and 250 ppm and control). The results indicated that the application of permethrin significantly increased the cocoa mirids mortaliiy throughout all sprayed cocoa trees (up to 100% 72 h after application). Even at 1 h after application, the percentage of Cocoa mirids mortality 29.2% - 53.9%) on cocoa trees sprayed with permethrin at concentrations of 50 - 250 ppm was significantly higher than that on control plant (3.6%). At 72 h after treatments, application of permethrin at concentrations of 200 and 250 ppm caused a complete kill (mortalty of 100%) in the test mirids. Meanwhile, ground cloths caught at least 22 fanilies of abore-ground arthropods that were found killed by permethrin applications. Moreover, the number of non-target arthropods killed by permethrin at concentrations of 100 - 250 ppm (27.3 - 85.3 individuals/ground cloth) were signifcantly higher than that on control trees. These results demonstrated that despite high efficacy of permethrin in controlling of cocoa mirids (Hetopeltis spp.), its application also had adverse effects on non-target arthropods incocoa plantations.
COMPARATIVE BIOACTIVITY OF PLANT EXTRACTS AND SYNTHETIC INSECT GROWTH REGULATORS AGAINST Spodoptera litura (F.) (LEPIDOPTERA: NOCTUIDAE) Hasibuan, Rosma; Purnomo, Purnomo; Wibowo, Lestari; Izzaturrijal, Izzaturrijal; Lumbanraja, Jamalam
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol. 19 No. 2 (2019): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/j.hptt.219118-126

Abstract

Laboratory bioassays were conducted to compare the effects of the leaf extract of Acalypha indica  L. (Euphorbiaceae) with synthetic insect growth regulators (IGRs) triflumuron and buprofezin against Spodoptera litura (F.). The experiment was set up as a randomized complete block design (RCBD). The treatments were two concentrations of  A. indica extracts 1000 and 2000 ppm, two concentrations of  buprofezin 100 and 200 ppm, two  concentrations of triflumuron 120 and 240 ppm and control. Each treatment was replicated three times. Second instar larva of  S. litura  were used for the bioassays.  Mortality and biological variables of treated and control larvae were recorded daily. The results indicated that the application of A. indica extracts  and synthetic IGRs (buprofezin & triflumuron) significantly caused the S. litura  mortality throughout the experimental period. At first, the toxicity of triflumuron on larval S. litura was significantly higher compared to those of buprofezin and Acalypha indica leaf extract. However, at the end of experimental period all treatments caused high mortality on S. litura, and those all were significantly different from control. The treatments also caused abnorrmal growth in larval, pupal, and adult stages. While in the control, larvae molted into normal adults. The results indicated that the use of biorational control agents such as synthetic insect growth regulators (IGRs) and those based on naturally derived products such as botanical insecticides show promise as a potential tool in S. litura management programs.
INVENTARISASI DAN INTENSITAS SERANGAN HAMA TANAMAN JERUK (Citrus sinensis L.) DI KECAMATAN SEKAMPUNG UDIK KABUPATEN LAMPUNG TIMUR Foda, Yongky Lavia; Wibowo, Lestari; Lestari, Puji; Hasibuan, Rosma
Jurnal Agrotek Tropika Vol 9, No 3 (2021): JURNAL AGROTEK TROPIKA VOL 9, SEPTEMBER 2021
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v9i3.5276

Abstract

Jeruk merupakan buah yang sangat digemari masyarakat Indonesia, dengan rasa yang segar, mengandung vitamin C dan memiliki daya jual, serta nilai ekonomis yang tinggi. Upaya peningkatan produksi tidak terlepas dari masalah organisme pengganggu tanaman (OPT) pada tanaman jeruk, maka perlu dilakukan penanganan yang serius pada masalah OPT. Penelitian ini bertujuan untuk menginventarisasi hama penting tanaman jeruk dan menghitung intensitas serangannya pada tanaman jeruk di Kecamatan Sekampung Udik Lampung Timur. Penelitian dilaksanakan  pada bulan Maret  2019 hingga bulan Juli  2019. Hasil survei di Desa Gunung Pasir Jaya, Pugung Raharjo, dan Sidorejo ditemukan 9 jenis hama yang menyerang tanaman jeruk dan terdapat 1 kerusakan buah akibat iklim. Hama – hama yang didapat yaitu hama daun (kutu daun, kutu icerya kuning, penggorok daun dan ulat daun), hama buah (penggerek buah dan lalat buah), dan hama ranting (kutu dompolan, penggerek batang dan sikada). Ada satu faktor yang membuat buah rusak / pecah dikarenakan iklim. Rata – rata tingkat serangan hama yang terdapat pada ketiga desa penelitian yaitu kutu daun 3,67 koloni per cabang, kutu icerya kuning 3,83 ekor per cabang, penggorok daun 3,46 %, ulat daun 2,56 % , penggerek buah 4,44 %, kutu dompolan 4,15 koloni per cabang, penggerek batang 0,01 gejala per tanaman, sikada  0,50 ekor per cabang. Intensitas serangan hama paling tinggi di tiga desa yaitu hama penggerek buah dengan persentase serangan 4,44% buah terserang dan intensitas serangan hama penggerek buah tertinggi ada di desa Sidorejo dengan persentase 4,51 % buah terserang.
APLIKASI SISTEM PAKAR IDENTIFIKASI HAMA DAN PENYAKIT SERTA CARA PENGENDALIANNYA PADA TANAMAN KAKAO BERBASIS ANDROID Aptriani, Rizki; kurniawan, didik; Wibowo, Lestari
Jurnal Komputasi Vol 5, No 1 (2017)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v5i1.1441

Abstract

Cocoa (Theobroma cacao L) is one of the plantation commodities that get serious attention because its role is quite high in the national economy. Lampung Province is one of the central cocoa plantations in Indonesia. Cacao cultivation is widely inseparable from a variety of obstacles such as pests and plant diseases. Identification of pests and diseases with various symptoms found in cocoa plants and knowing how to control it is difficult for us, especially farmers in the areas to solve the problem quickly and accurately. Limitations of an expert make handling of pests and diseases of cocoa plants to be difficult, therefore required an expert system that is able to identify pests and diseases in cocoa plants and how to control it based on the knowledge provided by an expert who is able to identify pests and diseases of cocoa and how to control it . This research applied the calculation method of Theorem bayes to calculate the percentage of value. The calculation result is a percentage value and the user can directly see the way pest and disease control are identified. Testing of this research using method Black Box Equivalence Partitioning (EP). Testing questionnaires are divided into 2 variables: user friendly variable and interactive variable. Tests of user friendly variables obtained an average rating of 87.6% and interactive test variables obtained an average rating of 87.52%. With the test results the system shows this app is feasible to use.
PENGARUH APLIKASI EKSTRAK DAUN SIRIH (Piper betle L.) DAN BATANG BROTOWALI (Tinospora sp.) TERHADAP SERANGGA UJI JANGKRIK (Gryllus mitratus) DI LABORATORIUM Suroso, Eko; Wibowo, Lestari; Hariri, Agus Muhammad; Purnomo, Purnomo
Jurnal Agrotek Tropika Vol 10, No 1 (2022): JURNAL AGROTEK TROPIKA VOL 10, JANUARI 2022
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v10i1.5602

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi ekstrak daun sirih (Piper betle L.) dan batang brotowali (Tinospora sp.) terhadap mortalitas dan perkembangan serangga uji jangkrik (Gryllus mitratus) di laboratorium.  Penelitian disusun dalam rancangan acak lengkap (RAL), yang terdiri dari 5 perlakuan dan 5 ulangan dengan P0 (kontrol) tanpa aplikasi ekstrak pestisida nabati, P1 aplikasi ekstrak daun sirih konsentrasi 5%, P2 aplikasi ekstrak daun sirih konsentrasi 10%, P3 aplikasi ekstrak batang brotowali konsentrasi 5%, dan P4 aplikasi ekstrak batang brotowali konsentrasi 10%. Hasil penelitian menunjukkan bahwa aplikasi ekstrak daun sirih konsentrasi 5% dan 10%  menyebabkan mortalitas jangkrik sebesar 76% pada pengamatan 15 hsa (hari setelah aplikasi).  Sedangkan aplikasi ekstrak batang brotowali konsentrasi 5% menyebabkan mortalitas jangkrik sebesar 86%, dan aplikasi ekstrak batang brotowali konsentrasi 10% menyebabkan mortalitas serangga uji jangkrik sebesar 74% pada pengamatan 15 hsa.  Aplikasi ekstrak daun sirih dan batang brotowali secara nyata mempengaruhi perkembangan jangkrik, sehingga nimfa yang berhasil menjadi imago tidak lebih dari 20%.
KEMELIMPAHAN DAN KERAGAMAN JENIS PARASITOID HAMA PENGGULUNG DAUN PISANG ERIONOTA THRAX L. DI KABUPATEN LAMPUNG SELATAN Lestari Wibowo; Indriyati .; Purnomo .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 15 No. 1 (2015): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.178 KB) | DOI: 10.23960/j.hptt.11526-32

Abstract

The abundance and diversity of the parasitoid of banana leaf skipper pest (Erionota thrax L.) in South Lampung Regency. This research was conducted to determine the abundance, diversity, and parasitation ability of several parasitoids of the banana skipper or banana leafroller (Erionota thrax) in South Lampung Regency. This research was carried out with a survey method by taking out samples of larvae and pupae of E. thrax in the District of Natar, Jati Agung, and Tanjung Bintang, South Lampung. Results of the survey showed that there were 8 types of parasitoids recovered from larvae or pupae of E. thrax, i.e. Brachymeria lasus (Chalcididae: Hymenoptera), B. thracis (Chalcididae: Hymenoptera), Charops sp. (Ichneumonidae: Hymenoptera), Casinaria sp. (Ichneumonidae: Hymenoptera), Xanthopimpla sp. (Ichneumonidae: Hymenoptera), Cotesia erionotae (Braconidae: Hymenoptera), and two parasitoids Diptera (Tachinidae and Sarcophagidae). The highest abundance of parasitoid was found in Tanjung Bintang with 171 parasitoids (index of diversity (H’) = 1.0256 and index of evenness (E) = 0.5724). In Natar District, the abundance of parasitoid was 63 parasitoids, but it had a greater H’ value (1.4396) and E-value (0.7398). Meanwhile, in Jati Agung District, the abundance of parasitoid was 56 individuals but the value of H’ was also high, which was 1.012 with the value of E of 0.6064. The percentages of parasitation to the larvae and pupae E. thrax were 55.01% (Tanjung Bintang District), 31.68% (Natar District) and 33.34% (Jati Agung District).
PENAMBAHAN BEBERAPA JENIS BAHAN NUTRISI PADA MEDIA PERBANYAKAN UNTUK MENINGKATKAN VIRULENSI BEAUVERIA BASSIANA TERHADAP HAMA WALANG SANGIT Ni Siluh Putu Nuryanti; Lestari Wibowo; Abdul Azis
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 12 No. 1 (2012): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (98.238 KB) | DOI: 10.23960/j.hptt.11264-70

Abstract

A research was conducted to increase the virulence of Beauvaria bassiana to the rice bug, L. acuta, by adding four different substances (materials) to the rice media to grow the fungus. The research was conducted from April to August 2011 at Polinela Laboratory, Bandar Lampung. To do this a set of experimental unit consisting of five treatments and five replications were arranged in completely randomized design. The four treatments were media made up of rice (rice based media) each given or added with four different materials such as rice skin powder, corn sugar, grasshopper powder and chitosan powder. The result showed that B. bassiana grown on rice media added with grasshopper powder or rice skin powder were able of causing mortality to the L. acuta as high as 78% and 71%, respectively, meaning that both mortalities were much higher than that of other replication. The virulence values of Beauveria bassiana grown on those both powder were also higher than that of three others.
Co-Authors ,, Ivayani Abdul Azis Adhy ARIYANTO Afandi Afandi Agus Hariri Agus M Hariri Agus Muhammad Hariri, Agus Muhammad Ahmad Aziz Alfi Husein Anak Agung Gede Sugianthara Aptriani, Rizki Dad Resiworo Sembodo, Dad Resiworo David IRVANTO Eko Suroso F.X. Susilo Fembriarti Erry Prasmatiwi Foda, Yongky Lavia Franciscus Xaverius Susilo, Franciscus Xaverius FX Susilo Hariri, Agus M Hidayat Pujisiswanto I GEDE SWIBAWA, I GEDE Indriyati . Indriyati . Izzaturrijal, Izzaturrijal Jamalam Lumbanraja K.E.S. Manik K.E.S. Manik, K.E.S. Lita Aprianda Sari Maria Viva RINI Ni Siluh Putu Nuryanti Nia Elhayati Nur Yasin Puji Astuti PUJI LESTARI Purnomo . Purnomo Purnomo Radix Suharjo Rosma Hasibuan, Rosma Ruruh Anjar Rwandini, Ruruh Anjar Rusdi Evizal Sandi Aji Sandi Aji, Sandi Solikhin ., Solikhin Solikhin Solikhin Sudi Pramono . Sugiatno Sugiatno Suputa Suputa Suskandini Ratih Dirmawati Tiara Maharani Yuyun Fitriana