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RESPONSE OF SOYBEAN (Glycine max Merr.) TO VARIATIONS IN TYPE AND FREQUENCY OF PGPR APPLICATION Baihaqi, Achmad Fachrurijal; Saylendra, Andree; Ritawati, Sri; Rohmawati, Imas
Agrisaintifika: Jurnal Ilmu-Ilmu Pertanian Vol. 9 No. 3 (2025): Agrisaintifika
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/ags.v9i3.7599

Abstract

Soybean (Glycine max Merril.) is a strategic food crop whose productivity must be improved to meet increasing national demand. The use of Plant Growth Promoting Rhizobacteria (PGPR) offers a promising approach to enhance plant growth and yield. This study evaluated the effects of PGPR types and application frequencies on the growth and yield of the Grobogan soybean variety. The experiment, conducted from June to September 2025, employed a two-factor Randomized Complete Block Design with five PGPR types and three application frequencies. Results showed that PGPR type significantly affected plant height, leaf number, and pod number, while application frequency significantly influenced plant height at 10 WAP and pod number. Bamboo root PGPR produced the best performance, with a plant height of 78.84 cm, 43 leaves, and 110 pods under three applications. These findings demonstrate that bamboo root PGPR is a promising biological agent for sustainably improving soybean productivity.
Identification Of Insect Pests on Retail Rice in Three Markets in Serang Regency Nahla, Nahla; Laila, Alfu; Rohmawati, Imas; Rossaffelt Rumbiak, Julio Eiffelt
Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal) Vol. 6 No. 2 (2025): ISSUE JULY-DECEMBER 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v6i2.64518

Abstract

Penelitian ini bertujuan untuk mengidentifikasi jenis serangga hama yang terdapat pada beras eceran serta menganalisis mutu fisik tiga merek beras yang dipasarkan di tiga pasar tradisional di Kabupaten Serang, yaitu Pasar Tirtayasa, Pasar Begog, dan Pasar Dukuh. Penelitian dilaksanakan pada bulan Maret hingga Mei 2025 menggunakan rancangan tersarang (nested design) dengan dua faktor, yaitu lokasi pasar dan merek beras (SLYP Super RL Macho, SLYP Super OS, dan SLYP Super KM Karya Makmur). Parameter yang diamati meliputi jenis dan jumlah serangga hama, rasio jantan dan betina, derajat sosoh, kadar air, serta jumlah benda asing. Hasil pengamatan menunjukkan bahwa Sitophilus oryzae merupakan spesies dominan yang ditemukan pada seluruh sampel dengan jumlah populasi tertinggi pada merek RL Macho di Pasar Tirtayasa. Kondisi suhu dan kelembapan pasar yang relatif tinggi (27–32°C dan 60–80%) mendukung perkembangan populasi hama tersebut. Keberadaan hama berpengaruh terhadap penurunan mutu fisik beras, ditunjukkan dengan meningkatnya persentase butir patah, menir, dan kadar air yang melebihi batas standar SNI. Berdasarkan hasil analisis, keberadaan S. oryzae sangat dipengaruhi oleh kondisi penyimpanan dan kadar air beras. Oleh karena itu, diperlukan penerapan sistem penyimpanan yang lebih higienis dan pengawasan mutu di tingkat pedagang untuk menekan populasi hama dan mempertahankan kualitas beras yang beredar di pasar tradisional Kabupaten Serang.
The effect of scarification and soaking duration of liquid organic fertilizer (POC) of eternal lucky mushroom (JAKABA) on soursop (Annona Muricata L.) seed germination Pratama, Muhammad Zikri; Ritawati, Sri; Muztahidin, Nur Iman; Rohmawati, Imas
Jurnal Agrotek Ummat Vol 13, No 1 (2026): Jurnal Agrotek Ummat: Januari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v13i1.38199

Abstract

The process of germination of soursop seeds can occur if the seed coat is permeable to water and sufficient water is available with a certain osmotic pressure. This study aims to determine the effect of jakaba on the germination of soursop seeds (Annona muricata L). This study used a factorial randomized block design (RAK) with 2 factors, namely scarification (S) as the first factor consisting of 3 levels including S1 = cutting half of the seed, S2 = cutting and S3 = peeling half of the seed coat. The second factor is the duration of soaking jakaba POC (P) which consists of 4 levels including P1 = 6 hours, P2 = 12 hours, P3 = 18 hours, and P4 = 24 hours. The results of this study are the combination of peeling half of the seed coat and soaking Jakaba POC for 6 hours (P1S3) is the best treatment that increases germination power up to 86.67%. On its own, peeling effectively stimulates germination, while cutting the seeds produces the longest shoots (10.21 cm). For soaking, a soaking time of 12–24 hours is most effective in accelerating germination time and supporting strong shoot growth