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Effectiveness of Chicken Manure Flower Extract (Tagetes ercta L.) Against Mortality and Antifeedant in Chili Aphid Pests Myzus persicae sulz Hotni Doani Purba; Helen J. Lawalata; Utari Satiman; Aser Yalindua; Christny F. E. Rompas
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.6291

This research was motivated by the chicken dung flower plant (Tagetes erecta L.) which is one of the plants that is often found in several areas in North Sulawesi, containing active chemical compounds such as alkaloids, terpenoids, saponins, tannins and flavonoids which can improve health. improve health. improve health. improve health. improve health. improve health. used as a vegetable protector. This study aims to determine the effectiveness of chicken manure flower extract on the mortality and antifeedant effect of chili aphids Myzus persicae sulz. This examination utilized an exploratory technique utilizing the leaf separate strategy utilizing a Totally Randomized Plan (CRD) design comprising of 4 treatments and 4 replications. Each treatment was given chicken manure flower extract with respective concentrations, namely P0 (0%), P1 (5%), P2 (10%), and P3 (15%). The results showed that the administration of chicken manure flower extract had a significant effect on the death of the chili aphid Myzus persicae sulz. The higher the extract from chicken manure flowers the higher the death rate of chili aphids Myzus persicae sulz and chicken manure flowers have an antifeedant effect at a concentration of 15%. So it can be concluded that giving chicken manure flower extract is effective in increasing the mortality of Myzus persicae sulz at a concentration of 15%, namely an average of 4.75 birds and has an antifeedant effect at a concentration of 15.%, namely an average of 0.350 grams.

TESTING FOR BACTERIAL CONTAMINATION ON CHICKEN (Gallus gallus domesticus) IN THE TRADITIONAL MARKET OF SOUTH LANGOWAN DISTRICT Sambeka, Delvino; Mege, Revolson; Setyawati, Iriani; Lawalata, Helen J; Rompas, Christny Ferdina Evie
Indonesian Biodiversity Journal Vol. 5 No. 2 (2024): August 2024
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/ibj.v5i2.10754

Chicken meat (Gallus gallus domesticus) plays an important role in society with its role as one of the sources of fulfillment of animal protein in Indonesia. With the high consumption of chicken meat by the public, the hygiene and safety of chicken meat must be ensured so as not to incur losses to the people. This study aimed to determine the bacterial contamination based on the testing of Total Plate Counts, Coliform, Escherichia coli, and Salmonella sp. Meet the requirement of the Indonesian National Standard on chicken meat in the traditional market of Langowan Selatan District. The method used in this research is a descriptive method to analyze and describe the results of the study, the testing using several indicators to directly conclude bacterial contamination. The results of the total plate count bacterial contamination test of the colonies, TPC in sample 1 = 29,1x kol/, sample 2 = 29,4x kol/, sample 3 = 27,7x kol/. MPN of Coliform and Escherichia coli results obtained in samples S1, S2, and S3 are 11x kol/gr. The results of microbact Salmonella sp. In samples S1 are positive, and S2 and S3 are negative. Based on observations, it is suspected that contamination occurs because sellers use equipment that is less sterile and there is no cover or barrier so the chicken meat is in direct contact with the air and customer. It is concluded that based on bacterial testing indicators, chicken meat in the traditional market of Langowan Selatan District has exceeded the limit of SNI 7388 2009 and is contaminated.

TESTING FOR BACTERIAL CONTAMINATION ON CHICKEN (Gallus gallus domesticus) IN THE TRADITIONAL MARKET OF SOUTH LANGOWAN DISTRICT Sambeka, Delvino; Mege, Revolson; Setyawati, Iriani; Lawalata, Helen J; Rompas, Christny Ferdina Evie
Indonesian Biodiversity Journal Vol. 5 No. 2 (2024): August 2024
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/ibj.v5i2.10754

Chicken meat (Gallus gallus domesticus) plays an important role in society with its role as one of the sources of fulfillment of animal protein in Indonesia. With the high consumption of chicken meat by the public, the hygiene and safety of chicken meat must be ensured so as not to incur losses to the people. This study aimed to determine the bacterial contamination based on the testing of Total Plate Counts, Coliform, Escherichia coli, and Salmonella sp. Meet the requirement of the Indonesian National Standard on chicken meat in the traditional market of Langowan Selatan District. The method used in this research is a descriptive method to analyze and describe the results of the study, the testing using several indicators to directly conclude bacterial contamination. The results of the total plate count bacterial contamination test of the colonies, TPC in sample 1 = 29,1x kol/, sample 2 = 29,4x kol/, sample 3 = 27,7x kol/. MPN of Coliform and Escherichia coli results obtained in samples S1, S2, and S3 are 11x kol/gr. The results of microbact Salmonella sp. In samples S1 are positive, and S2 and S3 are negative. Based on observations, it is suspected that contamination occurs because sellers use equipment that is less sterile and there is no cover or barrier so the chicken meat is in direct contact with the air and customer. It is concluded that based on bacterial testing indicators, chicken meat in the traditional market of Langowan Selatan District has exceeded the limit of SNI 7388 2009 and is contaminated.

Model Pembelajaran Problem-Based Learning : Implementasi pada Pembelajaran Biologi Materi Sistem Gerak Melisa Paulina Moonik; Anatje Lihiang; Christny F.E. Rompas
Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam Vol. 3 No. 3 (2025): Mei: Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/polygon.v3i3.484

This research aims to improve student learning outcomes in motion system materials by applying the Problem-Based Learning (PBL) learning model at Tumou Tou Girian Christian High School, Bitung. This research was carried out in two cycles, each consisting of planning, implementation, observation, and reflection stages. The first cycle showed that only 36% of students completed learning, while the other 64% did not. In the second cycle, student learning completeness increased to 84% after improvements and the implementation of more effective strategies. Applying PBL allows students to actively engage in learning, develop problem-solving skills, and think critically. The results of this study show that PBL can increase students' motivation in learning and encourage better interaction between students. Additionally, the PBL model is effective in helping students construct their knowledge, relate the subject matter to real life, and improve their overall learning outcomes. This research contributes to developing innovative learning methods that can be applied to improve the quality of education, especially in biology learning. These findings imply the importance of using problem-based learning models in improving education quality and students' high-level thinking skills. For further research, exploring the application of PBL in other subjects and its impact on students' social skills is recommended.

TESTING FOR BACTERIAL CONTAMINATION ON CHICKEN (Gallus gallus domesticus) IN THE TRADITIONAL MARKET OF SOUTH LANGOWAN DISTRICT Sambeka, Delvino; Mege, Revolson; Setyawati, Iriani; Lawalata, Helen J; Rompas, Christny Ferdina Evie
Indonesian Biodiversity Journal Vol. 5 No. 2 (2024): August 2024
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/ibj.v5i2.10754

Chicken meat (Gallus gallus domesticus) plays an important role in society with its role as one of the sources of fulfillment of animal protein in Indonesia. With the high consumption of chicken meat by the public, the hygiene and safety of chicken meat must be ensured so as not to incur losses to the people. This study aimed to determine the bacterial contamination based on the testing of Total Plate Counts, Coliform, Escherichia coli, and Salmonella sp. Meet the requirement of the Indonesian National Standard on chicken meat in the traditional market of Langowan Selatan District. The method used in this research is a descriptive method to analyze and describe the results of the study, the testing using several indicators to directly conclude bacterial contamination. The results of the total plate count bacterial contamination test of the colonies, TPC in sample 1 = 29,1xÃ‚Â kol/, sample 2 = 29,4xÃ‚Â kol/, sample 3 = 27,7xÃ‚Â kol/. MPN of Coliform and Escherichia coli results obtained in samples S1, S2, and S3 are 11xÃ‚Â kol/gr. The results of microbact Salmonella sp. In samples S1 are positive, and S2 and S3 are negative. Based on observations, it is suspected that contamination occurs because sellers use equipment that is less sterile and there is no cover or barrier so the chicken meat is in direct contact with the air and customer. It is concluded that based on bacterial testing indicators, chicken meat in the traditional market of Langowan Selatan District has exceeded the limit of SNI 7388 2009 and is contaminated.

Analisis Faktor Penyebab Kesulitan Belajar Siswa pada Pembelajaran Biologi Kelas XI SMA Negeri 2 Tondano Tahun Ajaran 2024/2025 Muliati Muliati; Herry M. Sumampouw; Christny F.E. Rompas
Jurnal Cakrawala Pendidikan dan Biologi Vol. 2 No. 1 (2025): Maret: Jurnal Cakrawala Pendidikan dan Biologi
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jucapenbi.v2i1.219

The aim of this study is to identify the factors that cause learning difficulties among students in biology lessons in class XI at SMA Negeri 2 Tondano during the 2024/2025 academic year. The identified issues include students having difficulty understanding the material taught, lacking focus during lessons, ineffective teaching strategies, and low student motivation. This research uses a descriptive approach with a qualitative design, where data was collected through interviews and documentation. The study was conducted from November 6 to November 28, 2024, with 18 class XI students as the subjects. Interviews were conducted using 100 prepared questions. Data analysis was performed descriptively with percentage calculations. The results indicate that internal and external factors influence the factors causing learning difficulties in biology lessons for class XI students. Internal factors include interest (26.5%), motivation (35.9%), physical health (38.3%), intellectual ability (28.6%), attitude (43.4%), learning attention (32.3%), learning readiness (48.9%), talent (42.5%), physical condition (25.3%), and emotional factors (32.5%), all of which are categorized as low. External factors include family environment (48.9%), school environment (45.6%), interaction with teachers (42.7%), interaction with peers (35.4%), facilities and infrastructure (54.6%), technology and learning media (63.6%), curriculum (65.4%), learning environment at home (52.3%), family economic conditions (56.7%), and school education policies (43.5%), with most of these external factors showing a low to moderate category. This study concludes that class XI students at SMA Negeri 2 Tondano experience the most significant learning difficulties related to external factors, such as the curriculum, and internal factors, such as students' learning readiness.

Identification of Orchid Plants Species in the East Tomohon Forest Area Gabrielle Warouw; Helen Joan Lawalata; Christny Ferdina Evie Rompas; Metilistina Sasinggala; Livana Dethris Rawung
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 1 (2024): February 2024: Pages 1-57
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i01.p03

Orchids which belong to the Orchidaceae family, are popular ornamental plants that are loved by many people. It is estimated that there are around 5,000 species of orchids in Indonesia. Orchids live in various habitats including epiphytic, terrestrial, lithophytic, and saprophytic. Environmental factors such as temperature, air humidity, soil pH, and light intensity can affect the growth, development, and spread of orchids. Tomohon City is known as one of Indonesia's largest flower producers, one of that is orchids. In the East Tomohon forest area, various types of orchids were found, but the types of orchids that grow have not been identified. The purpose of this study was to identify the types of orchids that grow in the East Tomohon forest area based on their morphology. The identification of orchid plants is done by observing the morphological characteristics of the shape of leaves, roots, stems, colors, and flower shapes in detail so that their taxonomy can be known. The research was conducted on August 5-19, 2022 using the cruising method (exploratory survey) the acquisition of data was analyzed descriptively. The results of research on Orchid Plant Species in the East Tomohon Forest Area found 192 individuals consisting of 10 orchid species, 4 species are terrestrial orchids, they are Calanthe tripilcata (18), Nervilia aragoana (13), Phaius thankervilleae (21), Vanda sp. (25), and 6 species are epiphytic orchids, they are Coelogyne asperata (16), Coelogyne pandurata (17), Cattleya sp. (21), Dendrobium crumenatum, Oncidium ornithorhynchum (18), Phalaenopsis amabilis (27).

Entrepreneurial Development of C Pengembangan Wirausaha Cabai Rawit Varietas Bara F-1 Pada Kelompok Tani Wanita Berdikari Melalui Aplikasi Teknologi ULiBiCo, EM4 dan Plastikultur-MPHP : Entrepreneurial Development of Cayenne Pepper Variety Bara F-1 in the Berdikari Women Farmers Group through Technology Applications ULiBiCo, EM4 and MPHP Sakul, Ernest Hanny; Manoppo, Jacklin Stella Salome; Ngangi, Jantje; Rayer, Debby Jacqueline Jochebed; Nangoy, Wiesye Maya Selfia; Lawalata, Helen Joan; Rompas, Christny Ferdina Evie; Djarang, Rievo Handry; Sakul, Zefanya Escriva Rafael; Tengker, Anita Costanci Christine; Rawung, Stanny Sicilia; Silangen, Patricia Mardiana; Rumondor, Desire Atna Sridanty
Vivabio: Jurnal Pengabdian Multidisiplin Vol. 7 No. 2 (2025): VIVABIO: Jurnal Pengabdian Multidisiplin
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/vivabio.v7i2.63298

Tonsealama is a village that has the potential to develop an environmentally friendly organic-based agribusiness farmer group business that has maximum agribusiness products and high economic value. The livelihood of the villagers is dominated by farmers and farm laborers and only a small part is engaged in services. The development of agribusiness entrepreneurship of raw chilli bara F1 variety for women's farmer groups in Keroit village is deemed necessary to be developed, in order to utilize idle land and organic household waste products. This is also a business opportunity to increase household economic income and the welfare of women's farmer groups and their members. Based on the above, the Community Partnership Program for Women Farmers Group in Tonsealama Village was implemented. This program includes the use of agricultural technology products in the form of ULiBiCo (Unima Liquid Biofertilizer Combination) and Effective Microorganism (EM4) applications that help the decomposition process of chicken manure waste into quality organic fertilizer, and combined with the use of silver black plastic mulch technology (MPHP) and bioinsecticide-based pest control, it turns out to be able to provide good yields in the cultivation of cayenne pepper plants of the bara F-1 variety. The morphological character of the first harvest obtained is the quality of the cayenne pepper fruit, which has a sharp fruit, with a length of ± 3 cm, a diameter of ± 0.4 cm, shiny red skin, spicy taste, and can be harvested at the age of 78 - 100 days after planting (HST), the average yield of this cayenne pepper is 0.85 - 1.0 kg per plant, with a weight per fruit ranging from 0.9 - 1.8 grams and has a potential yield of 8.9 - 10 tons / ha. ABSTRAK Tonsealama merupakan desa yang memiliki potensi untuk dikembangkannya sebuah usaha kelompok tani agribisnis berbasis organik ramah lingkungan yang memiliki produk hasil agribisnis yang maksimal dan bernilai ekonomi tinggi. Mata pencaharian penduduk desa masih didominasi oleh para petani. Pengembangan wirausaha agribisnis cabai rawit varietas bara F1 pada kelompok tani wanita di desa Tonsealama dirasa perlu untuk dikembangkan, guna memanfaatkan lahan tidur dan produk limbah organik rumah tangga. Hal ini juga merupakan sebuah peluang usaha untuk meningkatkan pendapatan ekonomi rumah tangga dan kesejahteraan kelompok tani wanita beserta anggotanya. Berdasarkan hal tersebut di atas, maka dilaksanakanlah Program Kemitraan Masyarakat Kelompok Tani Wanita di Desa Tonsealama. Program ini meliputi pemanfaatan produk teknologi pertanian berupa aplikasi ULiBiCo (Unima Liquid Biofertilizer Combination) dan Effective Microorganism (EM4) yang membantu proses dekomposisi limbah kotoran ayam menjadi pupuk organik berkualitas, dan dikombinasikan dengan pemanfaatan teknologi mulsa plastik hitam perak (MPHP) serta pengendalian hama berbasis bioinsektisida, ternyata mampu memberikan hasil panen yang baik dalam budidaya tanaman cabai rawit varietas bara F-1. Karakter morfologi hasil panen pertama yang diperoleh yaitu kualitas buah cabai rawit memiliki buah lancip, dengan panjang ± 3 cm, diameter ± 0,4 cm, kulit buah berwarna merah mengkilap, berasa pedas, dan dapat dipanen pada umur 78 - 100 hari setelah tanam (HST), rata-rata hasil cabai rawit ini yaitu 0,85 - 1,0 kg per tanaman, dengan bobot per buah berkisar 0,9 – 1,8 gram dan memiliki potensi hasil 8,9 – 10 ton/ha.

EFFECT OF GEL FORMULATION CONTAINING Tridax procumbens AND Aloe vera LEAF EXTRACT ON THE HEALING OF SECOND-DEGREE BURNS IN MICE (Mus musculus) Maturbongs, Marsela; Setyawati, Iriani; Manampiring, Nonny; Lawalata, Helen; Taulu, Marthy; Rompas, Christny
Indonesian Biodiversity Journal Vol. 6 No. 2 (2025): August 2025
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/n2vkg912

Tridax procumbens L. and Aloe vera L. are plants commonly used in the treatment of burns. This study was conducted to determine the effect of giving a combination gel of T. procumbens and A. vera leaf extract on second-degree burn healing in mice. This study used 24 male mice (Mus musculus) which were divided into four treatment groups, namely positive control (KP, Bioplacenton®); negative control (KN, gel base); leaf extract of T. procumbens 0.5% and A. vera 0.5% (P1); and leaf extract of T. procumbens 1% and A. vera 0.5% (P2). The process of inducing burns on the backs of mice requires the use of a 1x1 cm iron, which is subjected to heat in a fire for three minutes. The iron is placed on the mice's back for five seconds, which leads to the development of a second-degree burn. The gel was applied twice a day for 21 days. The highest level of burn wound healing was recorded with the Bioplacenton® treatment, which achieved a full recovery of 100% on day 15. Following this, the combined gel treatment of 1% T. procumbens leaf extract and 0.5% A. vera also reached 100% healing by day 18. While it may not be as potent as Bioplacenton®, the gel formulation containing 1% T. procumbens and 0.5% A. vera leaf extract presents a viable alternative for treating second-degree burns.

EFFECT OF GEL FORMULATION CONTAINING Tridax procumbens AND Aloe vera LEAF EXTRACT ON THE HEALING OF SECOND-DEGREE BURNS IN MICE (Mus musculus) Maturbongs, Marsela; Setyawati, Iriani; Manampiring, Nonny; Lawalata, Helen; Taulu, Marthy; Rompas, Christny
Indonesian Biodiversity Journal Vol. 6 No. 2 (2025): August 2025
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/n2vkg912

Tridax procumbens L. and Aloe vera L. are plants commonly used in the treatment of burns. This study was conducted to determine the effect of giving a combination gel of T. procumbens and A. vera leaf extract on second-degree burn healing in mice. This study used 24 male mice (Mus musculus) which were divided into four treatment groups, namely positive control (KP, Bioplacenton®); negative control (KN, gel base); leaf extract of T. procumbens 0.5% and A. vera 0.5% (P1); and leaf extract of T. procumbens 1% and A. vera 0.5% (P2). The process of inducing burns on the backs of mice requires the use of a 1x1 cm iron, which is subjected to heat in a fire for three minutes. The iron is placed on the mice's back for five seconds, which leads to the development of a second-degree burn. The gel was applied twice a day for 21 days. The highest level of burn wound healing was recorded with the Bioplacenton® treatment, which achieved a full recovery of 100% on day 15. Following this, the combined gel treatment of 1% T. procumbens leaf extract and 0.5% A. vera also reached 100% healing by day 18. While it may not be as potent as Bioplacenton®, the gel formulation containing 1% T. procumbens and 0.5% A. vera leaf extract presents a viable alternative for treating second-degree burns.

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