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Trichoderma sp. Antagonist Test Ability as an Inhibitor of Yellow Rot Disease Pathogens of Red Dragon Fruit Plants (Hylocereus polyrhizus) Elrisa Ramadhani; Kabul Warsito; Indra Irawan; Nur Ikhsan
International Journal of Mathematics and Science Education Vol. 1 No. 3 (2024): August : International Journal of Mathematics and Science Education
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijmse.v1i3.21

Dragon fruit plants originating from Central and South America have not been widely cultivated. This plant has only been cultivated intensively in several countries such as: Israel, Colombia, Nicaragua, Vietnam, Thailand, China and Australia. Macroscopic identification showed that the fungi associated with dragon fruit stems had similarities to the colony form of Colletotrichum gloeosporioides sp. Trichoderma is known to have antagonistic abilities against pathogenic fungi. Trichoderma is easily found in soil ecosystems and plant roots. The method in this study is a survey method. Determination of the sample using purposive sampling or Judgmental sampling method, namely purposive sampling is a sampling method that selects objects (vines) that are considered attacked or have symptoms of pathogen attack. Trichoderma sp is also tolerant to stress and able to inactivate pathogenic microbial enzymes. In addition, Trichoderma sp. Able to produce enzymes that hydrolyze pathogenic cell walls which will inhibit the synthesis of pathogenic cell walls and increase their fungicidal activity, as a result of which pathogenic fungi experience a decrease in growth rate.

Trichoderma sp. Antagonist Test Ability as an Inhibitor of Yellow Rot Disease Pathogens of Red Dragon Fruit Plants: (Hylocereus polyrhizus) Elrisa Ramadhani; Kabul Warsito; Indra Irawan; Nur Ikhsan
International Journal of Science and Mathematics Education Vol. 1 No. 2 (2024): June:International Journal of Science and Mathematics Education
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijsme.v1i2.20

Dragon fruit plants originating from Central and South America have not been widely cultivated. This plant has only been cultivated intensively in several countries such as: Israel, Colombia, Nicaragua, Vietnam, Thailand, China and Australia. Macroscopic identification showed that the fungi associated with dragon fruit stems had similarities to the colony form of Colletotrichum gloeosporioides sp. Trichoderma is known to have antagonistic abilities against pathogenic fungi. Trichoderma is easily found in soil ecosystems and plant roots. The method in this study is a survey method. Determination of the sample using purposive sampling or Judgmental sampling method, namely purposive sampling is a sampling method that selects objects (vines) that are considered attacked or have symptoms of pathogen attack. Trichoderma sp is also tolerant to stress and able to inactivate pathogenic microbial enzymes. In addition, Trichoderma sp. Able to produce enzymes that hydrolyze pathogenic cell walls which will inhibit the synthesis of pathogenic cell walls and increase their fungicidal activity, as a result of which pathogenic fungi experience a decrease in growth rate.

Faktor-Faktor yang Mempengaruhi Kohesivitas Kelompok Tani Dalam Menjalankan Fungsi Unit Produksi Usahatani Padi Sawah di Kecamatan Sunggal Kabupaten Deli Serdang P, Novi Anggiana; Febrimeli, Dwi; Ramadhani, Elrisa
Jurnal SOMASI (Sosial Humaniora Komunikasi) Vol. 6 No. 2 (2025): Desember 2025
Publisher : CERED Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/js.v6i2.1459

Peningkatan efektivitas kelompok tani sebagai unit produksi sangat dipengaruhi oleh kemampuan anggota kelompoknya dalam menjalin kerja sama yang kuat. Kohesivitas kelompok menjadi indikator penting dalam keberhasilan kelompok untuk menjalankan fungsinya sebagai unit produksi pada usahatani padi sawah. Penelitian ini bertujuan menganalisis tingkat kohesivitas kelompok tani serta faktor-faktor yang memengaruhinya, dengan kebaruan yang terletak pada penggunaan enam variabel psikososial yang diuji secara simultan pada konteks kelompok tani padi sawah di Kecamatan Sunggal. Penelitian dilaksanakan pada Maret–Mei 2025 menggunakan metode deskriptif kuantitatif melalui penyebaran kuesioner dan wawancara tidak terstruktur, serta dianalisis menggunakan skala Likert dan regresi linear berganda. Hasil penelitian menunjukkan bahwa kohesivitas berada pada kategori tinggi (78,46%), dengan persamaan regresi Y = 4,702 + 0,170X1 + 0,430X2 + 0,946X3 – 0,350X4 + 0,560X5 + 0,552X6 + e. Persamaan tersebut menunjukkan bahwa interaksi sosial (X2), tujuan kelompok (X3), konflik kelompok ((X5), dan peran dalam kelompok (X6) terbukti berpengaruh signifikan, sedangkan untuk ketertarikan anggota (X1) dan ukuran kelompok (X4) tidak berpengaruh signifikan. Temuan ini menegaskan bahwa kualitas interaksi, kejelasan tujuan, manajemen konflik, dan pembagian peran merupakan faktor kunci yang memperkuat kohesivitas kelompok tani dalam menjalankan fungsi unit produksi usahatani padi sawah.

Designing the BPP Air Sijorman Website as a Media for Agricultural Extension and Information Dissemination Gusti Setiavani; Elrisa Ramadhani; Mulya Suderajat
Altifani Journal: International Journal of Community Engagement Vol 4, No 2 (2024): Altifani Journal: International Journal of Community Engagement
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/altifani.v4i2.7535

Information Technology and Communication played a important role in the execution of tasks by the Agricultural Extension and Research Agency (BPP). BPP Air Sijorman, located in Asahan Regency, was previously without a website. A community service initiative was undertaken to design a website for BPP Air Sijorman, serving as a platform for agricultural extension and the dissemination of information. The process commenced with socialization and the identification of system needs, followed by website design, implementation, and user training. The website was conceptualized using CorelDRAW and physically designed by aligning the graphics with the source code on the website. The implemented system resulted in the creation of the BPP Air Sijorman website, which was accessible via both desktop and mobile devices at http://bpp-airjoman.website/beranda.html. The website offered information on farming guidelines, the latest news, agricultural policies, and the BPP profile, accessible through various menus. The response from both BPP and farmers to the BPP Air Sijorman website was highly positive. On average, participants in the training sessions demonstrated the ability to operationalize and effectively use the website. Participants also expressed satisfaction with the website's visually appealing design, user-friendly interface, informative content, simplicity, and easily understandable instructions. This positive feedback underscored the effectiveness of the implemented website, making it a valuable tool for agricultural extension and information dissemination.

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