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All Journal JURNAL AGROTEKNOLOGI AGRIVITA, Journal of Agricultural Science PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Purba, Dumaris Priskila
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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 1 
Effect of Gamma Rays Irradiation and In Vitro Selection on Citrus nobilis (L.) ‘Siam Banyuwangi’ to Huanglongbing (HLB) Disease Dumaris Priskila Purba; Ali Husni; Alina Akhidaya; Mia Kosmiatin; Agus Purwito
AGRIVITA, Journal of Agricultural Science Vol 43, No 2 (2021)
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.v43i2.2887

Abstract

Siam orange (Citrus nobilis L.) provides great economic value and social importance, despite its susceptibility to Huanglongbing (HLB) disease caused by Ca. Liberabacter sp., classified as specific bacterium phloem vessels marked by the formation of callouses covering plasmodesmata. This research aims to improve the tolerance of Siam orange from Banyuwangi (SB) to HLB disease. The experiment was undertaken by performing a randomized design (CRD) with one factor (irradiation dose). This study consists of two interrelated experiments, which include: induction of embryo mutations with gamma rays irradiation, and in vitro selection of putative mutant. The embryo of SB was irradiated by gamma rays with doses of 0, 45, 50, and 55 Gray. Each treatment was repeatedly undertaken for five times with 20 embryos. After 24 weeks, in vitro selection of putative mutant shoots was screened by HLB pathogen suspension. The observation indicated that treatment of gamma rays in various doses influenced embryo germination. In general, gamma ray irradiation gave significant effects on embryo germination and plant morphological characters. In vitro selection results for putative mutant on doses of 45, 50, and 55 indicated tolerance to HLB pathogen after selection.
Penerapan Teknologi Budidaya Bawang Merah Bima Brebes sesuai Kondisi Agroekosistem untuk Meningkatkan Pengetahuan Kelompok Tani “Bantang Cama”: Application of Bima Brebes Shallot Cultivation Technology according to Agroecosystem Conditions to Increase Knowledge of the "Bantang Cama" Farmer Group Liana, Devi; Panjaitan, Fany Juliarti; Taopan, Rizki Adiputra; Astuti, Tri; Purba, Dumaris Priskila; Knaofmone, Elfrida; Ariefin, Muhammad Noor; Adi, Defiyanto Djami; Choirunnisa, Jessyca Putri; Mulu, Marlinda; Jelatu, Silfanus; Rofita, Dewi
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 5 (2024): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v9i5.6534

Abstract

Shallots are a horticultural commodity with high economic value because shallots are always used in almost every dish. The importance of knowledge about shallot cultivation technology according to the agroecosystem has yet to be fully distributed at the Bantang Cama Farmers Group in Manggarai Regency. The targets to be achieved from this PKM program are increasing the skills of farmer groups in Waso Village regarding the cultivation of Bima Brebes shallots, as well as the results of adaptation of Bima Brebes shallots through the implementation of cultivation carried out in the highlands. Service activities were carried out in the "Bantang Cama" farmer group in Waso Village, Manggarai, East Nusa Tenggara, with 36 participants. They went through the stages of field observation, literature study, outreach, demonstration, and evaluation. The evaluation was carried out using a pretest and posttest to measure the improvement in the skills of the farmer group and see the results of the Bima Brebes shallots that had been cultivated. The results of the service showed that the skills of the farmer group after participating in the socialization increased from 38.50% to 87.60%. Bima Brebes shallots produced low plant height, number of leaves, and tillers. This shows a mechanism of low adaptability to the agroecosystem, the highlands in Waso Village.
Sosialisasi “Generasi Cinta Lingkungan” untuk Menumbuhkan Pemahaman dan Kepedulian terhadap Lingkungan di SMP Negeri 1 Kedungbanteng: Socialization of “Environmentally Friendly Generation” to Foster Understanding and Caring for the Environment at SMP Negeri 1 Kedungbanteng Hidayati, Wilujeng; Az Zahroh, Zulfa; Sevirasari, Nindy; Primayuri, Deviana; Sundari, Dini; Purba, Dumaris Priskila
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 5 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i5.9330

Abstract

In facing global challenges related to environmental degradation, schools play a role as strategic institutions in instilling environmental care values in students. Socialization with the theme “Environmentally Friendly Generation” is the first step in building the character of environmental care to provide knowledge and understanding related to environmental care to students at SMP Negeri 1 Kedungbanteng. The socialization was conducted for students in grades VII-IX of SMP Negeri 1 Kedungbanteng on November 22, 2024. An interactive socialization approach was used in community service through this socialization. The results of the socialization showed that students had understood the material given, as indicated by the evaluation results, which showed the average ability of students to answer questions correctly by 88%. As many as 90% of students answered evaluation questions correctly related to basic environmental concepts. However, aspects of the concept of recycling and renewable energy sources still need to be given an understanding.
Peningkatan Keterampilan Pertanian Generasi Muda melalui Pelatihan Budidaya Hortikultura Sayuran di SMP Negeri 1 Sumbang, Banyumas: Empowering the Younger Generation Through Vegetable Horticulture Training at SMP Negeri 1 Sumbang, Banyumas Primayuri, Deviana; Purba, Dumaris Priskila; Sundari, Dini; Sevirasari, Nindy; Hidayati, Wilujeng; Az Zahroh, Zulfa
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 9 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i9.9610

Abstract

The agricultural sector's future in Indonesia heavily depends on the role of the younger generation. They have the potential to drive agriculture toward progress and sustainability. One group that plays an important role in Junior High School (SMP) students, particularly at SMPN 1 Sumbang in Banyumas Regency. This activity aims to enhance the skills and knowledge of students at SMP Negeri 1 Sumbang in horticultural crop cultivation, especially vegetables, as a strategic step to foster young people's interest in agriculture. The SMP Negeri 1 Sumbang community service activity was held on December 12, 2024. This program targeted 30 ninth-grade students and included counselling sessions, hands-on practice with teachers and students, and activity evaluations—an initial evaluation before counselling and a final evaluation afterwards. The evaluation results indicated an increase in students' understanding of vegetable cultivation techniques, with the initial understanding level rising from 33% to 85% after the final evaluation. This improvement demonstrates the success of the community service program in enhancing students' knowledge and skills in vegetable farming. However, this agricultural practice must be carried out continuously so that students' skills can keep developing.
PEMANFAATAN EDIBLE COATING BERBAHAN KITOSAN UNTUK MENCEGAH PERKEMBANGAN BOTRYTIS CINEREA PADA BUAH TOMAT CHERRY Primayuri, Deviana; Sundari, Dini; Purba, Dumaris Priskila
Jurnal Agroteknologi Vol 16, No 1 (2025): Agustus 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v16i1.37944

Abstract

Botrytis cinerea, a fungal pathogen, is largely to blame for the significant decline in cherry tomato prices. Chitosan, a natural biopolymer, has been explored as an alternative coating material to enhance fruit resistance and preserve postharvest quality. This study looks at how well chitosan edible coatings, applied by spraying and dipping, can prevent Botrytis cinerea infection on cherry tomatoes. The fruits were intentionally infected by making cuts and soaking them in a solution containing the pathogen, and then they were treated with chitosan coatings. The coated fruits were incubated at room temperature for 14 days and assessed periodically on days 1, 7, and 14 for weight loss, disease incidence, and sugar content (°Brix). Results showed that the dip coating method significantly reduced weight loss and disease incidence compared to other treatments, with the lowest weight loss recorded at 0.87 grams and disease incidence at 22.22%. The highest sugar content was observed in the uncoated control group (7.23° Brix), indicating that coatings might slightly affect sweetness. Both ways of using chitosan successfully prevented the growth of Botrytis cinerea and kept the quality of cherry tomatoes satisfactory while they were stored. These findings suggest that chitosan edible coatings, especially when applied by dipping, offer a promising, environmentally friendly postharvest treatment to reduce decay and prolong the shelf life of cherry tomatoes.
Co-Authors Adi, Defiyanto Djami Agus Purwito Ali Husni Alina Akhidaya Ariefin, Muhammad Noor Az Zahroh, Zulfa Choirunnisa, Jessyca Putri Hidayati, Wilujeng Knaofmone, Elfrida Liana, Devi Mia Kosmiatin Mulu, Marlinda Panjaitan, Fany Juliarti Primayuri, Deviana Rizki Adiputra Taopan Rofita, Dewi Sevirasari, Nindy Silfanus Jelatu Sundari, Dini Tri Astuti