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Physic Nut Thrips Diversity Asbani, Nur; Sartiami, Dewi
AGRIVITA Journal of Agricultural Science Vol 33, No 3 (2011)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v33i3.81

Abstract

Physic nut (Jatropha curcas L.) is a relatively new agricultural crop commodity in Indonesia. Hence, the thrips associated with this plant are not well recognized. The research objective was to provide information and tool for identification of thrips associated with physic nut. Survey method was conducted in some areas of Java, Madura, and Lombok island. The results showed that 10 species of thrips were found associated with physic nut. They belonged to nine genera and three family i.e. Thripidae, Aeolothripidae and Phlaeothripidae and one unidentified species. The Thripidae species were Selenothrips rubrocintus, Rhipiphorothrips pulchellus, Thrips hawaiiensis, Heliothrips haemorrhoidalis, Zaniothrips ricini and Scolothrips sexmaculatus. The family Aeolothripidae were Franklinothrips vespiformis, F. variegatus and Mymarothrips bicolor; the only one of Phlaeothripidae was Ecacanthothripstibialis. The identification key had been built for all species mentioned above. These thrips can be grouped into herbivore, carnivore, and fungivore.Keywords: Jatropha curcas, thrips, diversity
Comparative Study of Integrated Pest Management and Farmer's Standard Practices for Controlling Chrysanthemum Thrips under Plastic House Hutapea, Dedi; Sartiami, Dewi; Dadang, Dadang; Hidayat, Purnama
AGRIVITA Journal of Agricultural Science Vol 46, No 1 (2024)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v46i1.4018

Abstract

Thrips is an important worldwide cause of severe damage to various host plants, especially chrysanthemums. Current management still relies on synthetic insecticides to control thrips. However, these pesticides harm the environment and promote thrips resistance. The study aimed to compare integrated pest management (IPM) and farmer’s standard practices to control Thrips parvispinus on two chrysanthemum varieties and calculate the cost-benefit ratio of both pest control practices. Two chrysanthemum cultivars were planted in plastic houses to compare IPM and farmer’s standard practices. The observed variables included thrips density, attack and damage rates, cut flower yield, and natural enemies abundance. Data were analyzed using ANOVA, and Tukey's HSD test identified significant differences at a 5% level. The results showed that the population of T. parvispinus nymphs was higher (78%) than adults. The highest adult thrips population emerges when chrysanthemums achieve the flowering phases. This study reveals that the control effects of IPM were not different from farmer’s standard practices. A holistic approach integrating several management strategies successfully controlled the thrips population while producing high-quality crops with minimal aesthetic damage. The IPM strategy against thrips showed a competitive cost and reduced synthetic insecticide applications without decreasing the quality and productivity of chrysanthemums.
Species Investigation of Rice Stem Borers and Its Parasitoids on Fallowing Rice Fields at Karawang, Indonesia Anwar, Ruly; Sartiami, Dewi; Rauf, Aunu
AGRIVITA Journal of Agricultural Science Vol 46, No 1 (2024)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v46i1.4036

Abstract

Rice stem borers (RSB) cause the same damage symptoms and occur through the season and time. During the off-season for rice, these stem borers are not well-known. The research aims to determine the effect of fallowing rice on the presence of rice stem borers and their parasitoids, the potential for RSB infestation, and their parasitoid on subsequent rice seedlings in nurseries at Karawang Regency, West Java. Several variables are observed, including the number of rice stem borer larvae on stubbles, egg masses, the percentage of parasitized eggs, and the number of adults of rice stem borer in nurseries. The results show that species of rice stem borer on the fallow rice are Scirpophaga incertulas and Sesamia inferens. The population of S. incertulas is significantly higher on long rice fallow. The height of the paddy stubble at the two locations is not very different. However, the infested stubble in the short fallow period is higher than those in the long fallow. Eggs of S. incertulas whose high percentage hatched and parasitized, are primarily found in nurseries of areas with long fallow. There are three species of parasitoids identified.
Biologi dan neraca kehidupan ulat grayak jagung, Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) pada tongkol jagung muda (Zea mays Linn.) sebagai pakan alternatif: Biology and life table of fall armyworm, Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) on baby corn (Zea mays Linn.) as alternative feed Sumaryati, Bety; Sartiami, Dewi; Santoso, Sugeng
Jurnal Entomologi Indonesia Vol 20 No 2 (2023): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.20.2.188

Abstract

Mass rearing techniques for the production of Spodoptera frugiperda larvae in large quantities as research materials is important to be developed. Baby corn has the potential to be observed as alternative feed for mass rearing of fall armyworms. However, the biology and life table of S. frugiperda feeding on baby corn has not been studied. This research aims to study the morphology, biology, and life table of S. frugiperda fed on baby corn. Larvae of F1 fall armyworm were reared singly and fed with baby corn, after pupation it was moved to containers. Thirty pairs of adults were reared in a cage filled maize plant. Observations conducted daily from the eggs until the adult died. Results showed variations in the color and size of the eggs, larvae, pupae, and adults. Developmental periods of eggs, larvae, and pre-pupae were 2.47, 14.96, and 1.83l days. Pupal period was 9.75 days (male) and 8.81 days (female). The life cycle were 37.69 days (male), and 37.7 days (female). Duration of pre-oviposition, oviposition, post-oviposition were 1.60, 7.90, and 2.26 days. Adult longevity was 11.34 days (male) and 11.76 days (female). The average number of eggs laid was 1.365,86/female with a hatch rate of 94,68%. Survival curve of S. frugiperda was type I, with GRR  of 1.442,49 individuals/generations, and  the Ro was 1.342,77 individuals/females/generation. Ther was 0.23 individual/female/day, the T  was 31.23 days, and the DT was 3.01 days. This result showed that baby corn can be an alternative feed for mass rearing of S. frugiperda.
Ketahanan enam galur padi sawah (Oryza sativa L) terhadap wereng batang coklat (Nilaparvata lugens Stål) asal Patokbeusi, Subang : Resistance of six lowland rice lines (Oryza sativa, L .) to brown planthopper (Nilaparvata Lugens, Stål.) from Patokbeusi, Subang Triwidodo, Hermanu; Nurmansyah, Ali; Sartiami, Dewi; Amanatillah, Niky Elfa; Meliyana; Lukvitasari, Luna
Jurnal Entomologi Indonesia Vol 20 No 3 (2023): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.20.3.240

Abstract

Release of new varieties requires qualitative as well as quantitative characters of the lines. For rice varieties, resistance to brown plant hopper (BPH) (Nilaparvata lugens, Stål) (Hemiptera: Delphacidae) is an important character that should be tested. The purpose of this study was to determine the resistance of new rice lines of rice cultivar to BPH. In this study, the tests were carried out on 6 (six) lines of candidate varieties developed by IPB University, namely TCIPB202101, TCIPB202102, TCIPB202103, TCIPB202104, TCIPB202105, and TCIPB202106. Resistance to BPH assays was conducted by screening and population development tests. Inpari 30 and Ciherang varieties were used as controls. The results showed that the TCIPB202106 line is the most resistant to BPH attack, while the TCIPB202103 line is the most susceptible to BPH attack. The average number of nymphs in the TCIPB202106 line was three times lower than those in Inpari 30 and Ciherang. The results of the population growth test were in line with the results of the screening test which indicated that the TCIPB202106 line is classified as moderately resistant to BPH.
Patogenesitas blastospora dan konidia Lecanicillium lecanii Zare & Gams terhadap Helopeltis bradyi Waterhouse (Hemiptera: Miridae): Pathogenicity of blastospores and conidia of Lecanicillium lecanii Zare & Gams on Helopeltis bradyi Waterhouse (Hemiptera: Miridae) Azhari, Ahmad Alwi; Anwar, Rully; Sartiami, Dewi; Samsudin, Samsudin
Jurnal Entomologi Indonesia Vol 21 No 2 (2024): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.21.2.105

Abstract

Helopeltis bradyi, merupakan salah satu hama perkebunan teh yang menyebabkan kerusakan hingga penurunan hasil produksi tanaman. Cendawan Lecanicillium lecanii sebagai musuh alami merupakan pengendalian alternatif yang telah diteliti untuk menekan perkembangan dan populasi H. bradyi. Penelitian bertujuan mengetahui patogenesitas blastospora dan konidia terhadap mortalitas, serta dampaknya terhadap kemampuan makan dan reproduksi H. bradyi. Penelitian menggunakan rancangan acak lengkap dengan sepuluh perlakuan dan lima ulangan, termasuk kontrol positif (insektisida deltametrin), kontrol negatif (akuades), serta konsentrasi blastospora (2,45 × 106 hingga 2,45 × 109 blastospora/ml) dan konidia (2,78 × 106 hingga 2,78 × 109 konidia/ml) L. lecanii. Hasil penelitian menunjukkan bahwa L. lecanii dengan konsentrasi 2,78 × 109 konidia/ml menyebabkan kematian H. bradyi sebesar 86% dan rata-rata 223,89 tusukan pada 7 hari setelah aplikasi. LC50 dan LT50 konidia L. lecanii lebih rendah, yaitu 6,62 × 105 konidia/ml dan 4,44 hari dibandingkan dengan blastospora, yaitu 2,20 × 107 blastospora/ml dan 5,37 hari. Aplikasi L. lecanii dengan konsentrasi 2,45 × 109 blastospora/ml menghasilkan jumlah telur terendah, yaitu 5,40 butir. Blastospora maupun konidia L. lecanii terbukti efektif dalam mengendalikan H. bradyi. Konidia memberikan hasil terbaik dalam mortalitas dan pengurangan aktivitas makan nimfa instar III, sementara blastospora juga efektif meskipun dengan hasil yang sedikit lebih rendah. Hasil penelitian ini menunjukkan L. lecanii dapat menjadi alternatif pengendalian hama yang ramah lingkungan dan berkelanjutan dibandingkan insektisida sintetik.
Struktur komunitas kutu putih (Hemiptera: Pseudococcidae) dan musuh alaminya pada tanaman singkong (Manihot esculenta Crantz) di Kecamatan Ciampea dan Sukaraja, Kabupaten Bogor, Jawa Barat: Community structure of mealybugs (Hemiptera: Pseudococcidae) and their natural enemies on cassava plants (Manihot esculenta Crantz) in Ciampea and Sukaraja Subdistrict, Bogor, West Java Putri Indah Wahyuni; Dadan Hindayana; Sartiami, Dewi; Lexi Majesty Pendong
Jurnal Entomologi Indonesia Vol 22 No 3 (2025): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.3.152

Abstract

Cassava is one of the food commodities in Indonesia, but its productivity often decreases due to mealybug attacks (Hemiptera: Pseudococcidae). This study aims to determine the type and abundance of mealybugs and the ecological relationships between them and their natural enemies on cassava plants. The sampling method employed was purposive sampling, involving the selection of 100 sample plants per location, namely Benteng Village and Pasirlaya Village, in Bogor Regency. Mealybug and parasitoid samples were taken from three infested leaves, while predators were collected from the plant canopy. Identification was carried out morphologically to the species level, analyzed using the ecological index, and compared using the Mann-Whitney test (P = 0.05). The study’s results identified four species of mealybugs: Paracoccus marginatus Williams & Granara de Willink, Ferrisia virgata (Cockerell), Pseudococcus jackbeardsleyi (Gimpel & Miller), and Phenacoccus manihoti Matile-Ferrero. Natural enemies of mealybugs found from the predator group were Cryptolaemus montrouzieri Mulsant, Plesiochrysa ramburi (Schneider), Scymnus sp.1, Scymnus sp.2, Theridion sp., and from the parasitoid group, namely Anagyrus lopezi (De Santis), Acerophagus papayae Noyes & Schauff. The diversity, evenness, and richness indices of arthropod species were higher in Pasirlaya, while dominance was higher in Benteng. The parasitization rate of A. papayae and A. lopezi was more stable in Pasirlaya, although the arthropod population did not differ significantly between locations (P = 0,31). This study concluded that Pa. marginatus and Ph. manihoti were the dominant mealybug species, with predators Theridion sp. and C. montrouzieri as the most abundant natural enemies, The parasitoid A. lopezi was known to parasitize Ph. manihoti, and A. papayae parasitized Pa. marginatus.
Keanekaragaman Spesies Pemangsa Thrips (Thysanoptera:Thrypidae) di Sekitar Pertanaman Cabai (Capsicum annuum L.) di Dataran Rendah dan di Lahan Lebak Wilayah Jambi Asni Johari; Dewi Dewi Sartiami
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.2.1.2013.33

Abstract

Predatory thrips species is very important to restrain pest population in the field. This study was conducted to explore and analyze the diversity of predatory thrips species in and around chili planting in the lowland and swamp areas in Jambi. The survey was conducted at 13 sites in the lowlands and 6 sites in the swamp areas. The survey found 22 species of thrips predators in lowlands and 6 six species in swamp areas which are grouped into nine families. Predatory thrips species in the lowlands were Ammoplanus sp., Cheilomenes sexmaculata, Chilocorus melanophthalmus, Chilocorus ruber, Chrysopoda sp., Coccinella repanda,
Strategi Konservasi dan Pelestarian Lebah di Indonesia Damayanti Buchori; Windra Priawandiputra; Sih Kahono; Rika Raffiudin; Ramadhani Eka Putra; Tri Armowidi; Araz Meilin; Adha Sari; Rosyid Amrulloh; Dewi Sartiami
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol. 5 No. 3 (2023): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0503.690-694

Abstract

Rekomendasi kebijakan yang perlu dilakukan dalam Strategi Konservasi dan Pelestarian Lebah di Indonesia: 1) Penghentian alih fungsi lahan dari hutan menjadi perkebunan dan pertanian monokultur 2) Penggunaan pestisida yang bijaksana 3) Memperbanyak jumlah dan keragaman tanaman penyedia pakan lebah 4) Mempromosikan taman kehati dan ruang terbuka hijau yang ramah lebah 5) Pengembangan kawasan konservasi untuk habitat lebah di perkebunan 6) Mempromosikan konsep pertanian regenerative 7) Meningkatkan peran petani dalam pertanian berkelanjutan yang ramah lebah 8) Pembuatan kebijakan untuk menetapkan spesies lebah yang terancam punah
Pengenalan dan Pengendalian Hama Ulat Grayak Frugiperda (Spodoptera frugiperda) di Desa Bonjor, Kabupaten Rembang Dewi Sartiami; Paryoto Paryoto; Hajrian Rizqi Albarki; Zulianah Saputri; Kiki Sari; Nur Sa’adha; Nifa Khalidah; Sofi Illiyin; Za’immatul Mu’allimah; Nailul Ianah
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 1 (2023): Agrokreatif Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.9.1.17-25

Abstract

Indonesian farmers are now facing a new challenge of a recently emerging pest problem. Early in 2019, farmers in Indonesia were threaten by a massive attack of fall armyworm that caused severe damage to their corn crops. According to students of Thematic Student Study Service (KKN-T) 2021 assigned in Bonjor Village, Rembang Regency, fall armyworms have been making their presence known in that area. Farmers did not recognized fall armyworm before, but they had suspected a pest was the one causing damage to their crops. Introducing the fall armyworm to farmers and their management using natural enemies are the core purposes of this study. The study was carried out by conducting a pre-test on farmers in advance, webinar and training then proceeded with a post-test. The tests were run on 21 farmers in Bonjor Village, Rembang Regency. The majority of farmers in Bonjor have less than 5 years of farming experience, a farm less than 2 ha, and crop production below 5 tons/ha. All farmers claimed that their crops were damaged by UGF attacks. Farmers' knowledge of UGF before the training was only 5% while after the training increased to 43%. Farmers became more familiar with Spodoptera frugiperda pests and other pests. Farmers' understanding of egg groups is still low. Farmers know how to control armyworm frugiperda by utilizing parasitoids and the role of parasitoid roofs.