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Politeknik Pembangunan Pertanian Malang
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Application of Trichoderma sp. and PGPR for preventing downy mildew incidence on sweet corn Purwanti, Eny Wahyuning; Wahyudi, Diki; Hamyana
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 1 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.934 KB) | DOI: 10.24831/ija.v51i1.41697

Abstract

Downy mildew is a disease caused by the fungus Peronosclerospora maydis. Application of biological agents to control downy mildew is a kind of environmentally friendly control method, that widely promoted recently. Trichoderma sp. and plant growth promoter rhizobacteria (PGPR) are root symbionts, which can induce plant resistance against disease infection. This study aimed to determine the effective application of Trichoderma sp. combined with various concentrations of rhizobacteria to control downy mildew. This study used a completely randomized design (CRD) method with 6 treatments and 5 replications. The treatment was the concentration of rhizobacteria consisting of P0 (control) = without treatment, P1= 15 mL L-1. P2 = 30 mL L-1. P3 = 45 mL L-1. P4 = 60 mL L-1 and P5 (positive control) = seed treatment with 5 g kg-1 dimetomorf fungicide. Each rhizobacteria suspension was mixed with Trichoderma sp. solution as much as 15 mL L-1. The parameters observed consisted of plant height (cm), number of leaves, disease incidence (%), and disease severity (%). The results showed that the combination of Trichoderma sp. and rhizobacteria of 60 mL L-1 was able to inhibit the incidence of the disease up to 66.53% and the severity of the disease up to 89.84%. Keywords: bacteria, concentration, downy mildew, sweet corn, Trichoderma sp.
Motif Kerja Generasi Muda di Bidang Pertanian: Studi Fenomenologi Tentang Motif Kerja di Bidang Pertanian pada Kelompok Pemuda Tani di Kota Batu Hamyana, Hamyana
Mediapsi Vol 3 No 1 (2017): JUNE
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.mps.2017.003.01.5

Abstract

Tujuan penelitian ini adalah untuk mendeskripsikan motif individu pemuda tani dalam keterlibatannya terhadap perubahan minat kerja generasi muda pada bidang pertanian. Metode yang dipakai dalam menguraikan rumusan masalah pada penelitian ini adalah dengan menggunakan pendekatan fenomenologi. Objek yang diteliti adalah pemuda tani yang tergabung dalam kelompok karang taruna petani sayur dan buah di Kota Batu. Hasil penelitian ini menunjukan bahwa terdapat dua motif yang secara umum mendorong atau menghambat generasi muda dalam bekerja pada bidang pertanian yaitu moral–cultural base dan motif rasional-structural base. Berdasarkan motif moral-cultural base, bekerja di bidang pertanian dimaknai bukan sekadar persoalan rasional untung atau rugi, melainkan sebuah panggilan jiwa dan sebuah tanggung jawab moral yang harus diemban oleh mereka. Sedangkan berdasarkan motif rasional–structural base, bekerja di bidang pertanian dipahami sebagai sebuah pilihan di mana pilihan untuk memilih atau tidak memilih bekerja di bidang pertanian didasarkan pada seberapa besar pilihan tersebut memberikan keuntungan-keuntungan baik secara ekonomi, sosial, maupun lingkungan.
Co-Authors Achmad Nizar Agus Cahyono Aisyah Lucky Amalia Aji Chandra Mustofa Arum Pratiwi Budi Sawitri Budianto Budianto Despita, Rika Dheby Cyntia Nurhalisa Dinda Fahriantika Diza Nurdiasari Fatiha Nur Alfisyahr Hardianto Hardianto I Gede Nyoman Muditha Khanifatul Hidayawati Khoirunisak Kurniasari, Irianti Muhammad Hidayatul Akbar Muhammad Miftakhul Abidin Muhammad Saikhu P, Lita Hardyati Purwanti, Eny Wahyuning Rahmi, Ainu Rendy Nito Prayugo Romadi, Ugik Sudjianto Sudjianto Suryaman Sule Syarif Rachman Soy WAHYUDI, DIKI