Abstract
In Indonesia, production of corn are used for fodder (55%), food (30%), and seed (15%). The growth of corn plants is limited by the presence of pests, weeds, and plant diseases. Curvularia sp. causing leaf spot and could decrease corn production. Use of mycorrhiza can be used as a biological agent in preventing pathogens outbreaks. Isolates of Curvularia sp. fungal was sprayed on corn seed. This research was conducted in laboratorium and green house. Corn seedlings were grown on sterile soil media (control), mycorrhizal treatments (100g of mycorrhizal + Curvularia sp., 200g of mycorrhizal + Curvularia sp., 300g of mycorrhizal + Curvularia sp.) and Curvularia sp. The observed variables were plant height, number of leaves, rate of disease progression, fresh weight and dry weight of plant canopy. The results showed that application of 100g inoculum tend to increase plant growth to 26-27% and percentage of mycorrhizal colonization to 58,66% thereof can decrease pathogen infection on plant at 28 day after planting.
Highlights
The results showed that application of 100g inoculum tend to increase plant growth to 26-27% and percentage of mycorrhizal colonization to 58,66% thereof can decrease pathogen infection on plant at 28 day after planting
Prosiding Seminar Ilmiah dan Pertemuan Tahunan PEI dan PFI XVI Komda Sul-Sel. Balai Penelitian Tanaman Serealia, Sulawesi Selatan
Summary
PENYEBAB PENYAKIT TANAMAN JAGUNG (Zea mays L.). Penurunan produksi jagung dapat diakibatkan oleh patogen Curvularia sp. Penggunaan endomikoriza dapat dimanfaatkan sebagai agen hayati dalam mencegah terjangkitnya patogen. Penelitian ini menggunakan metode yang digunakan yaitu penyemprotan isolat jamur Curvularia sp. Selama 60 HST variabel yang diamati yaitu jumlah daun, laju perkembangan penyakit dan berat basah serta berat kering tanaman. Peningkatan dapat dilihat dari berat basah akar mencapai 27,04% dan berat kering akar sebesar 26,57%. Peningkatan persentase kolonisasi mikoriza hingga 58,66% sehingga dapat digunakan untuk menurunkan infeksi patogen pada tanaman jagung umur 28 hari setelah tanam. Kata kunci : bibit, bercak daun, agen hayati
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