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Susceptibility of Brown Planthopper (Nilaparvata lugens Stal.) from Cipunagara and Banyuwangi Population to Neem Oil Formulation Neneng Sri Widayani; Danar Dono; Yusup Hidayat
CROPSAVER Vol 1, No 2 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (449.675 KB) | DOI: 10.24198/cs.v1i2.20331

Abstract

Brown Planthopper is one of the pests that cause problems in rice production. This study was conducted to know the tendency of using a kind of insecticide and to examined the susceptibility of brown planthopper from field population (Cipunagara, West Java) compared to standard population (Banyuwangi, East Java) to formulation insecticide of neem oil 50 EC. Observations wereconducted on Cipunagara farmers to find out the kind of insecticide used and the number of insecticide applications in one season. the susceptibility test to neem oil 50 EC formulation was conducted by root dipping method. Brown planthopper was feed on treated plant for two days and then the next day the Brown Planthopper was fed on rice plant without treatment until the eighth day. Test insects used are brown planthopper instar 4th. Observations of insect mortality test for ten days with an interval of every 24-hour observation. Susceptibility values for neem oil insecticide formulations were determined based on the resistance ratio (RR) by comparing the LC50 value of the field population and standard population. Result of the observations showed that the farmers in the Padamulya village, Cipunagara district generally using synthetic insecticides to control of this pest. The active ingredient of most mentioned was imidacloprid with a lot of different applications. The result of examination of insecticide formulation of neem oil 50 EC using the root dipping method showed that a slow death trend and the highest mortality at eight days after application. The LC50 value of neem oil 50 EC insecticide against brown planthopper in the field population (Cipunagara) was 0.36% and RR 0.98. The result indicated that brown planthopper origin from Cipunagara was still susceptible to neem oil 50 EC insecticide formulation.Keyword: Neem oil formulation, Susceptilbility, Resistance ratio, Brown Planthopper
Bioactivity Formulation Of Leaf Extract Of Kalanchoe pinnata And Seed Of Azadirachta indica Against Spodoptera litura Hedi Paramita; Lindung Tri Puspasari; Yusup Hidayat; Rika Meliansyah; Danar Dono; Rani Maharani; Unang Supratman
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.565 KB) | DOI: 10.24198/cs.v1i1.16995

Abstract

The aim of this research is to know the most effective concentration of liquid formulation of Kalanchoe pinnata leaf extract 50 EC and Azadirachta indica seed extract 50 EC against S. litura. The experiment was conducted at the Laboratory of Pesticides and Enviromental Toxicology, Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran. The concentration were tested of each formulation were 1%, 2%, 3 %, 4%,and control.  The experiment arranged in completely randomized design (CRD) and replicated three times. The results showed that the formulation of A. indica seed extract 50 EC at concentration of 2%, 3%, and 4% effective against S. Litura larvae with mortality of 76.7%, 86.7, and 93.3%  This formulation also causing a decrease in feeding activity, weight, and lenghten the development time of S.litura larvae. Unlike the case with liquid formulations of K. pinnata 50 EC extract which was less toxic and did not show significant differences in feed intake, weight of larvae, and development time of larvae compared control treatment.                Keywords: Toxicity, mortality, growth dearragement, botanical insecticide.
Bioactivity Fraction of Methanolic Seed Extract of Barringtonia asiatica L. (Kurz.) (Lecythidaceae) Against Spodoptera litura F. (Lepidoptera: Noctuidae) Teddy Budiyansyah; Danar Dono; Rika Meliansyah; Unang Supratman
CROPSAVER Vol 1, No 2 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (479.142 KB) | DOI: 10.24198/cs.v1i2.19755

Abstract

Water seed extract of Barringtonia asiatica was used as fish poison by traditional community. This study aims to determine the bioactivity of methanolic seed extract fraction of B. asiatica against S. litura. The extract tested was spread evenly on the leaf surface by using microsyringe. The experiment consisted of 12 treatments and 3 replications. Treatments were concentration of 0.3% and 0.1% of fraction 16, 17, 18, 19, 20 of methanolic seed extract of B. asiatica, and concentration of 0.264% methanolic seed extract of B. asiatica; and control. The results showed that the fraction 19 (20% EtOAc and 80% MeOH eluent) of methanol extract of B. asiatica seed has the highest bioactivity against the larvae of S. litura. The fraction 19 of methanolic seed extract of B. asiatica had LC50 value of 0.182% at 12 days after treatment. In addition, the 19 fraction of methanolic seed extract of B. asiatica decreased food intake, weight and lengthened development time of larvae.Keywords : Barringtonia asiatica, bioactivity, fraction, Spodoptera litura.
Effect of Neem Oil Formulation on the Population of Soil Fungi and Disease Intencity of Cercospora Leaf Spot (Cercospora capsici) on Chilli Plants (Capsicum annuum) Sri Hartati; Danar Dono; Rika Meliansyah; Mukhamad Agung Yusuf
CROPSAVER Vol 1, No 2 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.176 KB) | DOI: 10.24198/cs.v1i2.19753

Abstract

Soil fungi and cercospora leaf spot are soil inhabitants and plant disease, respectively, that usually occur on chilli grown area. Formulation of neem oil was reported to have a role as an environmentally friendly botanical pesticide. This research was objected to studying the effect of neem oil formulation on the population of soil fungi and its suppression on cercospora leaf spot intensity of chilli crop. The field experiment was arranged in the randomized complete block design. The treatments were the concentration of neem oil formulation, i.e. 0%, 1%, 1.25%, 1.50%, 1.75%, and 2.0%. In vitro experiment on the suppression of neem oil formulation on the predominant soil, fungi were arranged in the completely randomized design. The results showed that neem oil formulation did not affect the soil fungi population and cercospora leaf spot intensity. However,2.0% neem oil had the lowest soil population. Neem oil formulation at 1.75% caused the highest suppression on TMa01 isolate (49.81%), and 1.25%, 1.50%, 1.75% and 2.0% of neem oil formulation caused more than 50% suppression on TMf01 isolate in vitro. Neem oil formulation at 2.0% caused the highest suppression on cercospora leaf spot intensity (46.34%).Keywords: Azadirachta indica, botanical pesticide, neem oil
The effectiveness of soursop seed (Annona muricata L.) agains Callosobruchus maculatus F. (Coleoptera: Bruchidae) Rama Ginanjar Gilang; Nenet Susniahti; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.846 KB) | DOI: 10.24198/cs.v1i1.16994

Abstract

Callosobruchus maculatus F. (Coleoptera: Bruchidae) one of the main pests that cause damage to mung beans in storage areas. This research was conducted to determine the effective dose from soursop seed (Annona muricata) powder resulting mortality and emphasizing the amount of imago on the first-generation C. Maculatus. This research was conducted at Plant Pest Laboratory, Department of Plant Pests and diseases, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor using experimental method of Complete Random Design (CRD) with 6 treatments and 5 replications. The treatments were tested using 5 doses of A. muricata seed powder with 1 grams, 3 grams, 5 grams, 7 grams, and 9 grams doses, and added with control or without treatment. The results showed that the dose of 5 grams A. muricata seed powder showed the mortality of C. maculatus  by 94% at 8 days after infestation, emphasizing the amount of eggs which is placed  C. maculatus of mungbean seed 77,64%. Emphasis on the emergence of the first generation of imago in the mung bean seeds is 74.67%. The lowest of loss weight mung beed seed amount 1,33%.Keywords: Annona muricata, Callosobruchus maculatus, Soursop Seed Powder, Mortality
Laboratory Evaluation of Neem formulation bioactivity against Crocidolomia pavonana F. larvae Raden Arif Malik Ramadhan; Neneng Sri Widayani; Lindung Tri Puspasari; Yusup Hidayat; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.31 KB) | DOI: 10.24198/cs.v1i1.20334

Abstract

This study aims to evaluate the bioactivity of the formulation of Neem 50 EC  against Crocidolomia pavonana larvae in the laboratory. The study using six treatments and three replications. The treatment consisted of the formulation of neem 50 EC at concentrations of 0.3%, 0.5%, 0.8%, 1.3%, 2.3%, and control. The treatment was done by leaf feeding method and tested on C. pavonana instar II. The results of the research showed that the formulation of neem 50 EC at concentration of 2.3% caused mortality of C. pavonana larvae with mortality rate of 95% and has LC50 value aqual to 0.83%. Neem formulation can inhibit the development of C. pavonana larvae from instar I to instar IV, decrease food consumption, and decrease the dry weight of C. pavonana larvae instar IV.Keywords: Azadirachta indica, Bioactivity, Crocidolomia pavonana, neem formulation
The Effect of Neem, Citronella, Castor Oil, and Their Mixtures against Crocidolomia pavonana F. (Lepidoptera: Crambidae) Leni Maryani; Danar Dono; Endah Yulia
CROPSAVER Vol 2, No 2 (2019)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.009 KB) | DOI: 10.24198/cropsaver.v2i2.24063

Abstract

Cabbage-heart caterpillar, Crocidolomia pavonana F. (Lepidoptera: Crambidae), is one of the important pests in Brassicaceae family. Alternative control for cabbage-heart caterpillar that can be used is insecticide made from plant extracts. Neem, cirtonella and jatropha oil are reported to have an insecticidal properties. This study aimed to determine the effect of singgle or combination of neem, citronella, and castor oil to against C. pavonana larvae and to obtain the most effective ratio and concentration of oil combinations. The experimental method used in this research was Randomized Block Design with 41 treatments, i.e. control, single neem, citronella, castor oil and its combination each tested at concentration of 1%; 0,5%; 0,25%; and 0,1%. Each treatment was replicated 3 times. The results of this experiment showed that single oil or combination of neem, citronella and castor oil at consentration of 1% and 0,5% caused 100% larvae mortality, 1:3:2 ratio at 1% concentration was able to reduce food consumption, 3:2:1 ratio at 0,25% concentration was inhibit larvae development and reduce the weight of pupae, and 3:1:2 ratio at 0,5% concentration can reduce the weight of larvae.
Effect of the Initial Temperature of Extraction of Neem Cake (Azadirachta indica A. JUSS) on its Toxicity on Crocidolomia pavonana (F.) Larvae Fhera Hardiani; Danar Dono; Ceppy Nasahi
CROPSAVER Vol 2, No 1 (2019)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.197 KB) | DOI: 10.24198/cropsaver.v2i1.22704

Abstract

Crocidolomia pavonana is an important pest that attacks the Brassicaceae. Neem cake is waste from neem seed pressing that can be used as a botanicals insecticide to control insect pests. The effect of the initial temperature of extraction can have an impact on the toxicity of the extract. The aim of this study was to determine the best initial temperature for the extraction of neem cake on mortality, larval development time, feed consumption, larval weight and survival of larvae into pupae and adult. The experimental method used in this research was Randomized Completely Design (RCD) with 4 treatments and 4 replication, i.e. control, extraction of neem cake at initial temperature of 30°C, initial temperature 50°C, and initial temperature 70°C which allows two concentrations of 1% and 3%. The results of the research with the best toxicity were shown in the initial extraction temperature of 50°C at concentrations of  1% and 3% with the mortality reaching 82.5% and 90%. The initial temperature extraction of 50°C also showed lengthened of the larval development time, decreased feeding activity, larval weight and survival of larvae to develop into pupae and imago.
Biologi dan Kemampuan Memangsa Paederus fuscipes Curtis (Coleoptera: Staphylinidae) terhadap Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) Sudarjat Sudarjat; Argo Utomo; Danar Dono
Agrikultura Vol 20, No 3 (2009): Desember, 2009
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.267 KB) | DOI: 10.24198/agrikultura.v20i3.959

Abstract

Bemisia tabaci merupakan hama tanaman di beberapa sentra produksi sayuran hingga mengakibatkan kerugian ekonomi sampai 100 %. Paederus fuscipes merupakan predator B. tabaci pada beberapa tanaman di Kecamatan Ciwidey, Bandung. Penelitian bertujuan untuk mengetahui biologi dan kemampuan memangsa imago P. fuscipes jantan terhadap nimfa B. tabaci. Percobaan menggunakan Rancangan Acak Kelompok yang terdiri atas lima perlakuan dan 5 ulangan. Perlakuan terdiri atas: infestasi 10, 20, 40, 80, dan 160 nimfa B. tabaci per satu imago P. Fuscipes. Hasil pengamatan biologi menunjukkan bahwa siklus hidup P. fuscipes berkisar antara 38-75 hari. Fase telur berkisar 4-7 hari, larva instar-1 berkisar 4-5 hari, larva instar-2 berkisar 6-9 hari, pra-pupa berkisar 2-3 hari, pupa berkisar 3-5 hari, dan lama hidup imago berkisar 19-46 hari. P. fuscipes memperlihatkan tanggap fungsional terhadap peningkatan kepadatan B. tabaci sebagai mangsa. Jumlah pemangsaan nimfa B. tabaci tertinggi terjadi pada kepadatan 160 nimfa, yaitu 101,1 dan 100,1 nimfa B. tabaci per imago P. fuscipes, masing-masing untuk periode pagi dan sore. Kecepatan memangsa imago P. fuscipes terhadap nimfa B. tabaci yaitu berkisar 0,83-8,17 nimfa per jam pada siang hari, dan 0,75-8 nimfa per jam pada malam hari.
Aktivitas Residu Ekstrak Biji Barringtonia asiatica (L.) Kurz. terhadap larva Crocidolomia pavonana F. (Lepidoptera : Pyralidae) Danar Dono; Rismanto Rismanto
Agrikultura Vol 19, No 3 (2008): Desember, 2008
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (106.251 KB) | DOI: 10.24198/agrikultura.v19i3.999

Abstract

Penelitian rumah plastik ini bertujuan untuk mengetahui hubungan antara kepadatan populasi hama kutu daun persik (Myzus persicae Sulz.), tingkat kerusakan daun dan kehilangan hasil cabai merah (Capsicum annuum). Delapan taraf kepadatan populasi M. persicae (0, 2, 4, 8, 16, 32, 64, dan 128 ekor / tanaman) masing-masing diinfestasikan pada tanaman cabai pada fase pertumbuhan awal dan fase pembungaan awal.  Hasil penelitian menunjukkan bahwa  populasi M. persicae dan tingkat kerusakan daun oleh hama tersebut berhubungan erat dengan kehilangan hasil cabai merah. Pada tanaman yang diinfestasi M. persicae saat fase pertumbuhan awal, hubungan antara kepadatan populasi (X) dengan kehilangan hasil (Y) mengikuti persamaan garis regresi Y = 19,1865 + 0,3568 X dengan keefektifan menduga sebesar 73,85% dan koefisien kerusakan sebesar 0,8724 g/ekor. Persamaan garis untuk tanaman yang diinfestasi M. persicae saat fase pembungaan awal adalah Y = 19,8504 + 0,3181X dengan keefektifan menduga  62,18 % dan koefisien kerusakan 0,7179 g/ekor. Hubungan antara tingkat kerusakan daun dengan kehilangan hasil pada tanaman cabai yang diinfestasi M. persicae saat fase pertumbuhan awal mengikuti persamaan garis regresi Y = 25,93 + 64,51 X1 + 0,26  X2 – 2,27 X3 {(Y = kehilangan hasil (%); X1 = tingkat kerusakan daun oleh M. persicae (%); X2 = populasi awal M. persicae (ekor/tanaman) dan X3 = waktu pengamatan (minggu setelah infestasi)} dengan  keefektifan menduga 78,75 % dan koefisien kerusakan 1,577 g/% kerusakan daun. Persamaan garis untuk tanaman cabai yang diinfestasi M. persicae saat fase pembungaan awal adalah Y = 25,59 + 1164,87 X1 + 0,08 X2 – 4,60 X3, dengan keefektifan menduga 79,18 % dan koefisien kerusakan 3,72  g/% kerusakan daun.
Co-Authors Abraham Suriadikusumah Afifah Nashirotul Haq Ainun, Khairunissa Andang Purnama Andhita Nadhirah Argo Utomo C. Pickerling Ceppy Nasahi DJOKO PRIJONO Eka Rahayu Setyaningsih Emelda Anggraini Endah Yulia Endah Yulia Entun Santosa Entun Santosa Entun Santosa - Erawati, Alfira Dewi Ernaldi Eka Nanda Fadhilah Rahmah Aprianti Fathussalam, Muhammad Fauziaty, Muthia Riefka Febritami, Giannisa Fhera Hardiani Fitri Widiantini Fizrul Indra Lubis Frida P. Inangsih - Giannisa Febritami Giffari, Fahri Rijal Gigih Ibnu Prayoga Gilang, Rama Ginanjar Haq, Afifah Nashirotul Haryadi, Dudi Hedi Paramita IDAR IDAR IKHA MUSLIKHA Indah Meutia Arisanti Irman Eka Septiarusli Irpan Permana Irsyad, Andika Muhammad Ivan Febriana Iwan Setiawan Jabbar, Muhammad Aqshal Azizil Kiki Haetami kinya toriyama Lathifah Azizah Lilian Rizkie Lindung Tri Puspasari Maulana, Raihan Rahmat Meliyansyah, Rika Mia Sukma Dewi Mochamad Arief Soleh Muhammad Maksum Mukhamad Agung Yusuf N Usyati Nanda, Ernaldi Eka Narendra, Nathanael Dimas Nasrudin Nasrudin Nasya Nabila Neneng S Widayani Neneng Sri Widayani Neneng Sri Widayani Neneng Sri Widayani Nenet Susniahti Nenet Susniahti Neni Rostini Neni Rostini Nono Carsono Noor Istifadah Nurfadza, Alysha Rianty Nurul Khumaida Paramita, Hedi Purnawan, Pupung Putri, Ghifa Alghifaira R. Arif Malik Ramadhan Raden Arif Malik Ramadhan Rama Ginanjar Gilang Ramadhan, R. Arif Malik Rani Maharani Rani Maharani Ratmaneli Ratmaneli Retno Wulansari Rika Meliansyah Rismanto Rismanto Rohendi Rohendi Rusydan, Muhammad Ardillah Safri Ishmayana Safri Ishmayana Safri Ishmayana Safri Ishmayana Santika Sari Santika Sari Siska Rasiska SIska Rasiska, SIska Sri Hartati Sudarjat Sudarjat Sudarjat Sudarjat Susanti, Rista Susanto, Ainun Nandini Putri Susniahty, Nenet SYAFRI ISMAYANA Syarif Hidayat Syarif Hidayat Syariful Mubarok Tarkus Suganda TATI NURHAYATI Teddy Budiyansyah Toto Sunarto Toto Sunarto Unang Supratman Usyati, N Utami Dwi Ginasti Vira Kusuma Dewi Wahyu Daradjat Natawigena, Wahyu Daradjat Widayani, Neneng Sri Widayani, Neneng Sri Yani Maharani Yenny Mulyani Yogas Dwi Pratiwi Yusuf Hidayat Yusuf Hidayat Yusup Hidayat Yusup Hidayat Yusup Hidayat Yusup Hidayat Yusup Hidayat Yuwono, Indra