Nashrudin, Afin (2013) Peningkatan Ketahanan Tanaman Kedelai (Glycine max (L.) Merill) terhadap Penyakit Rebah Semai (Sclerotium rolfsii Sacc.) dengan Teknik Pengendalian secara Terpadu. Sarjana thesis, Universitas Brawijaya.
Abstract
Penyakit rebah semai atau layu dan lebih dikenal sebagai penyakit dumping-off yang disebabkan oleh Sclerotium rolfsii Sacc. Merupakan masalah serius di Indonesia, khususnya di Jawa karena hampir menyerang berbagai jenis tanaman kacang-kacangan khususnya kedelai dengan kerusakan hamper mencapai 100 % (Djauhari, 2003). Salah satu cara pengendalian yang akhir-akhir ini mendapatkan perhatian utama dari ahli penyakit adalah dengan pemanfaatan musuh – musuh alaminya secara biologis (Liu,dkk. 1995). Penelitian ini bertujuan untuk mengetahui tentang bagaimana pengaruh aplikasi agens hayati (Streptomyces, Mikoriza, Trichoderma, dan Rhyzobium), pupuk kandang dan pengaturan jarak tanam terhadap tingkat serangan penyakit rebah semai (Sclerotium rolfsii Sacc.) dimana teknik tersebut merupakan paket pengendalian secara terpadu. Penelitian ini dilaksanakan di Laboratorium Mikologi Jurusan Ilmu Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Brawijaya, Malang dan di lokasi lahan persawahan Desa Landungsari, Kec. Dau, Kab. Malang pada bulan September - Desember 2012. Hasil penelitian menunjukkan bahwa aplikasi agens hayati, pupuk kandang, terbukti dapat meningkatkan ketahanan tanaman kedelai terhadap serangan penyakit rebah semai (Sclerotium rolfsii Sacc.). Pada intensitas serangan penyakit, perlakuan A1 (agens hayati + pupuk kandang + jarak tanam 20x20 cm) memiliki nilai intensitas serangan terendah yaitu hanya 0,66 %. Sedangkan pada perlakuan C2 (kontrol + jarak tanam 15x15 cm) memiliki nilai puncak intensitas serangan tertinggi yaitu 6,66 %. Selanjutnya, pada laju infeksi penyakit, perlakuan A2 (agens hayati + pupuk kandang + jarak tanam 15x15 cm) memiliki nilai puncak laju infeksi penyakit terendah yaitu hanya 11,73 %. Sedangkan pada perlakuan C2 (kontrol + jarak tanam 15x15 cm) memiliki nilai puncak laju infeksi penyakit tertinggi yaitu 20,23 %.
English Abstract
The disease wither and fall for or better known as dumping-off disease caused by Sclerotium rolfsii Sacc. is a serious problem in Indonesia, especially in Java as almost attacked various types of plants, especially soy beans with damage to almost reach 100% (Djauhari, 2003). Business overcome them hard to do considering the pathogen attacking roots and are able to survive without a host for decades. One of the ways that control lately to get the attention of an expert disease is by exploiting its natural enemies for biological (Liu, et al. 1995). This research aims to find out about how to influence the application of biological agens (Streptomyces, Mycorrhiza, Trichoderma, and Rhyzobium) and manure to the disease attack rate had fallen for (Sclerotium rolfsii Sacc.) where this technique is an integrated control. This research was carried out in the Laboratorium Mikologi, Jurusan Ilmu Hama dan Penyakit Tumbuhan, Fakultas Pertanian Universitas Brawijaya, Malang. And in farm fields to the Village of Landungsari, District of Dau, Regency of Malang in September - December 2012. The results showed that applications for biological agens, manure, proved can improve endurance soybean plants against attacks of diseases fall for (Sclerotium rolfsii Sacc.). On the intensity of the onslaught of disease, treatment of the A1 (biological agens + manure + planting distance 20 x 20 cm) have the lowest value of the intensity of the attacks is just 0.66%. While on treatment C2 (control + planting distance 15 x 15 cm) have the highest peak value of the intensity of the attacks is 6,66%. Furthermore, the rate of infections disease, treatment of the A2 (biological agens + manure + planting distance 15 x 15 cm) has a peak value of the lowest rate of infection disease which only 11,73%. While on treatment C2 (control + planting distance 15 x 15 cm) have the highest rate of infection of the disease tops namely 20,23%.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FP/2013/227/051308278 |
| Subjects: | 600 Technology (Applied sciences) > 632 Plant injuries, diseases, pests |
| Divisions: | Fakultas Pertanian > Hama dan Penyakit Tanaman |
| Depositing User: | Hasbi |
| Date Deposited: | 25 Nov 2013 09:50 |
| Last Modified: | 20 Oct 2021 06:09 |
| URI: | http://repository.ub.ac.id/id/eprint/129342 |
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