Pemberdayaan Masyarakat Tani Melalui Pemanfaatan Tumbuhan Lokal Sebagai Pengendali Hama Ramah Lingkungan di Desa Padengo Kecamatan Popayato Barat

Pohuwato Regency is the largest maize producing area in Gorontalo Province. Since 2015, about 50 percent of maize production in Gorontalo Province has come from Pohuwato Regency. Padengo Village, West Popayato District is one area that contributes to producing maize in Pohuwato Regency because most of the farmers in this village are maize farmers. Depend on the field observations and interviews with farmers in Padengo village, it is known that one of the problems faced by corn farmers is the difficulty of controlling armyworm pests in corn. Based on these conditions, the thematic real work lecture program carries out community service on empowering farming communities through the use of local plants as environmentally friendly pest controllers. In this community service program, seminars and training on the manufacture of vegetable pesticides have been carried out for farmers, production of vegetable pesticides from siam weed leaves and gamal leaves, application of vegetable pesticides on demonstration plots as well as regular observations of maize pest populations on maize fields in Padengo village, West Popayato District

Peningkatan Produksi Melon (Cucumis melo L.) Melalui Pemangkasan Pucuk dan Pemanfaatan Ekstrak Selasih Ungu Sebagai Atraktan Terhadap Lalat Buah (Bactrocera cucurbitae Coquilett)

The research aimed to investigate the effect of tip pruning and basil extract as an attractant of a melon fly on the improvement of melon production, and tip pruning and the best basil extract concentration in improving melon production. It was conducted from May to August 2018 in Iloheluma Village, Tilongkabila Sub-district, Bone Bolango District, Gorontalo Province by employing Factorial Randomized Block Design with two factors. The first factor was tip pruning that comprised 3 levels which were without tip pruning, the 15th segmen of the main stem, and 20th segment of the main stem. Then, the second factor was basil comprising 3 levels which were methyl eugenol for 25%, basil extract for 40%, and basil extract for 80%. The observed parameters were fruit weight, fruit diameter, leaf area, and the melon fly number that has been trapped. The data analysis used analysis of variance method and DMRT (Duncan Multiple Range Test) at 5% level. The finding of research revealed that the tip pruning affacted fruit weight, fruit diameter, and leaf area whereas purple basil extract affected the melon fly number that has been trapped. The 15th segment of tip pruning in the main stem and methyl eugenol with 25% concentration were rocognized as the best treatment in improving the production of melon.

Aplikasi Gulma Siam pada Tanaman Jagung (Zea Mays L.) terhadap Pertumbuhan dan Serangan Hama Spodoptera frugiperda

Maize (Zea mays L.) is a plant that is in great demand by Indonesian people, so farmers in indonesia plant many maize plants. This study aimed to determine the effect of the application of siam weed on the growth of maize and the attack intensity of Spodoptera  frugiperda pest. This research was conducted in huluduwotamo village, Suwawa subdistrict, Bone Bolango Regency, from February to june 2021. This study employed  a rendomized block design (RBD) consisting of four treatments : control (without siam weed), 10 tons/ha siam weed, 15 tons/ha siam weed, and 20 tons/ha siam weed. Furthermore, each treatment was replicated three times to obtain 12 experimental units. The data analysis method used analysis of variance with a least significant difference (LSD) test of 5%. The finding proved that the best siam weed treatment was at a dose of 20 tons/ha, which affected the growth of plant height, the number of leaves, and the number of fruits, but it was not optimal in suppressing the attack intensity of Spodoptera  frugiperda  pest.

Video Animasi Pengembangan Media Video Animasi Berbasis Adobe Flash yang Diintegrasikan dengan Powtoon Pada Materi Dinamika Atmosfer di SMA Negeri 1 Suwawa

Penelitian ini bertujuan untuk mengembangkan media video animasi berbasis Adobe Flash yang diintegrasikan dengan Powtoon pada materi Dinamika Atmosfer. Metode pengembangan yang digunakan adalah model ADDIE. Tahapan pengembangan meliputi analisis, perancangan, pengembangan, implementasi dan evaluasi. Validasi media oleh ahli media, ahli materi, dan guru mata pelajaran Geografi. Implementasi dilakukan pada siswa Kelas X-1 SMA Negeri 1 Suwawa. Hasil penelitian dapat disimpulkan bahwa pengembangan media pembelajaran berbasis Adobe Flash yang diintegrasikan dengan Powtoon telah melewati uji validitas oleh ahli materi yang mendapatkan persentase nilai sebesar 88,88% (sangat valid). Hasil validasi ahli media diperoleh persentase nilai 86,36% (sangat valid). Validasi oleh Guru Mata Pelajaran Geografi memperoleh persentase nilai 95,78% (sangat Valid). Hasil respon siswa pada implementasi media diperoleh 83,29% memberikan respon yang sangat baik terhadap media pembelajaran  berbasis Adobe Flash yang diintegrasikan dengan Powtoon . Dengan demikian media tersebut dapat digunakan dalam proses pembelajaran dikelas terkait dengan materi dinamika atmosfe

Evaluasi Pelepasan Parasitoid Telur Trichogramma sp. untuk Mengendalikan Hama Penggerek Tebu

Sugarcane is one of the vital plantation crops as a source of the main ingredients for sugar production sugarcane borer is the most important pest in sugarcane cultivation. This research aimed to determine the parasitization rate of egg-parasitoid Trichogramma sp. in controlling the sugarcane borer, determine the types of parasitoids that parasitize the sugarcane borer, and determine the attack intensity of the sugarcane borer. This research was conducted from July to October 2021 on a sugarcane plantation owned by PT. PG Gorontalo which is located in Tolangohula Sub-district, Gorontalo Regency, and then continued with observations at the Pest and Plant Disease Laboratory, Faculty of Agriculture, State University of Gorontalo. This research used an exploratory method. The results showed that the percentage of parasitization at the age of 6 week after planting (WAP) and 7 WAP (without parasitoid release) reached 94.69% and 96.10%, respectively, while at 8 WAP, 9 WAP, 10 WAP, 11 WAP, 16 WAP, 17 WAP, 18 WAP, 19 WAP reached 97,09%, 94.93%, 93.11%, 95.45%, 96.42% , 98.78%, 98.06%, 94.27% respectively. Two types of parasitoids attacked sugarcane borer eggs, namely Trichogramma sp. and Telenomus sp. The highest intensity of the sugarcane borer attack occurred at the age of   6 WAP

Efektivitas Jamur Beauveria bassiana dalam Mengendalikan Hama Ulat Grayak (Spodoptera frugiperda) pada Tanaman Jagung Manis (Zea mays Saccarata Strut)

This research aims to know the effectiveness and effective dosage of Beauveria bassiana for controlling Spodoptera frugiperda pest on sweet corn plant. This research is carried out at the Laboratory of the Center for Agricultural Plant (BALINTAN) of Gorontalo Province and on Farmers' Land in Village, Telaga Sub-district, Gorontalo Regency. It starts from March to August 2023 using a randomized block design (RAK) with 4 replications and 3 treatments. There are 16 experimental units using the Beauveria bassiana fungus as a biological control agent. The treatments used are B0 (control/without Beauveria bassiana), B1 (100g/l Beauveria bassiana), B2 (10g/1 Beauveria bassiana, and B3 (200g/l Beauveria bassiana). Observation parameters are mortality, and intensity of armyworm pest. The data analysis technique uses analysis of variance (ANOVA) in a 5% level, and continues with the 5% DMRT test. The finding shows that the Beauveria bassiana fungus is effective in controlling the armyworm pest frugiperda. A dose of 200g/1 can cause a mortality of 85.39%, while the control (without Beauveria bassiana) can cause a mortality of 1.41%.

Efektivitas Arang Tempurung untuk Mengendalikan Penyakit Kanker Batang Kakao (Phytophthora palmivora)

The present study aimed to determine the efficacy and dosage of coconut shell charcoal in controlling (Phytophthora palmivora) stem canker. The research was conducted in Hila Village, Leihitu Subdistrict, Maluku Tengah Regency, from July to August 2020. The study employed the Randomized Block Design mothod, consisting of four treatments K= control, P1= 50 gr, P2= 100 gr, P3= 150 gr. Each treatment was replicated three times to abtain 12 units with 48 experimental sample plants. Fourthermore, the research data were analyzed using Analysis of Variance (ANOVA) and then further tested using LSD ( Least Significant Difference) at the 5% level. The finding denoted that 150 gr coconut shell charcoal treatment effectively declined stem canker symptoms development value and provided wound healing of 71,10%

Uji Efektivitas Jamur Entomopatogen Beauveria bassiana untuk Mengendalikan Spodoptera frugiperda pada Tanaman Jagung (Zea mays L.)

This research aims to determine the effectivenes of entomopathogenic fungus Beauveria bassiana in controlling Spodoptera frugiperda on maize. The research employs completely Randomized Design (CRD) method consiting of 5 treatments (Control, 15 grams of B. bassiana/100 ml, 30 grams of B.  bassiana/100 ml, 45 grams of B. bassiana/100 ml, and 60 grams of B. bassiana/100 ml) and 3 replications. The parameters observed are the mortality of Fall Armyworm (S. frugiperda), the incubation period, and changes in the behavior of Fall Armyworm (S. frugiperda). To analyze the mortality data of Fall Armyworm (S. frugiperda), the research employs an analysis of Variance (Anova) with a DMRT of 5%. In the meantime, data on the incubation period and behavior changes of Fall Armyworm (S. frugiperda) are analyzed using descriptive analysis. In reference to the research finding, a dose of 30 grams of B. bassiana/100ml dissolved in water has a significant effect on the mortality of S. frugiperda larvae with an average mortality of 3.74%, 4.16%, and 4.58% on days 5,6, and 7

Potensi Jamur Beauveria bassiana (Blas.) Vuill dalam Mengendalikan Serangga Hama pada Tanaman Cabai Rawit (Capsicum frutescens L.)

This research was conducted in the Laboratory of Agriculture state University of Gorontalo while the field research took place on Hulawan Village, Telaga Sub-district, Gorontalo District from march to may 2018. The research applied Randomized Blok Design  (RBD) white the treatment of fungus B. bassiana and every treatment were repeated for 4 times thus there where 16 units of the experiment in total.  Every unit contained 9 plant as a sample with a spacing of 60 cm x 40 cm, the treatment of fungus B. bassiana (Blas.) Vuill were B0 = Control /without treatment, B1 = 20 grams/100 ml aquadest/sample, B2 = 40 grams/100 ml aquadest/sample, and B3 = 60 grams/100 ml aquadest/sample. The data were analyzed of Variance (Annova) at F test of 5% and regression/correlation. The result of F test of 5% was significantly different thus it was continued to DMRT at 5%. Meanwhile, the qualitative analysis was conducted based on observation and documentation at every treatment of every variable of observation. The research finding showed that fungus B. Bassiana (Blas.) Vuill at 60 grams dosage was the best treatment to control bemisia tabaci pest, looper, and aphids, yet the use of B. Bassiana (Blas.) Vuill at 20 grams was more effective and efficient in maintaining production of cayenne pepper (C. frustescens L.) plan

Survei Penggerek Batang Jagung dan Kompleks Musuh Alaminya di Provinsi Gorontalo

Corn borer is one of the important pests on corn plant in Gorontalo Province, especially in three districts which are the center of maize planting development. Corn borer and its natural enemy complex in Gorontalo Province has not been clearly studied. The purpose of this study is to determine the complexity of the natural enemies of maize stem borer by calculating the diversity and composition. The survey method was used, in which the older larvae, pupae, and corn borer natural enemies were collected from the field in the three districts (Gorontalo, Boalemo, and Pohuwato). Observation plots in each district area of 2,500 m2, were divided into 3 sub plots with the size of 3×3 m, each plot is consisted of 45 plants at the spacing of 75×25 cm. The data were analysed descriptively and organized into tables. Shannon Index was used to count the diversity and composition of the pests and their natural enemies. The results showed that the corn borer species was Ostrinia furnacalis, while the dominant natural enemy was the tachinid fly. The analysis of Shannon diversity index for natural enemies of three districts of Gorontalo, Boalemo, and Pohuwato were 0.63, 0.61, and 0.97 respectively. Penggerek batang jagung adalah salah satu hama penting pada tanaman jagung di Provinsi Gorontalo terutama di tiga kabupaten sentra pengembangan jagung. Hama penggerek batang jagung dan kompleks musuh alaminya di Provinsi Gorontalo belum banyak dikaji. Tujuan kajian ini adalah melihat kompleksitas musuh alami penggerek batang jagung dengan menghitung keragaman dan komposisi. Metode yang digunakan adalah survei, yaitu mengumpulkan larva instar akhir, pupa penggerek batang jagung dan musuh alaminya dari lapangan di tiga kabupaten (Gorontalo, Boalemo, dan Pohuwato). Petak pengamatan di setiap kabupaten seluas 2.500 m2 yang dibagi dalam 3 sub plot berukuran 3×3 m. Jumlah tanaman jagung per plot sekitar 45 tanaman dengan jarak tanam 75×25 cm. Data dianalisis secara deskriptif dan disusun dalam tabel, untuk keragaman dan komposisi menggunakan Indeks Shannon. Hasil kajian menunjukkan bahwa jenis penggerek batang jagung adalah Ostrinia furnacalis, musuh alami didominasi Ordo Diptera Famili Tachinidae. Analisis Indeks Shannon keragaman musuh alami untuk Kabupaten Gorontalo, Kabupaten Boalemo, dan Kabupaten Pohuwato berturut-turut sebesar 0,63; 0,61; dan 0,97