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  • PENGGUNAAN GLIOCOMPOST UNTUK MENGENDALIKAN PENYAKIT LAYU FUSARIUM DAN MENINGKATKAN PRODUKTIVITAS BUNGA KRISAN POTONG
  • No. Deskripsi Tahun Penulis Download
    1 ABSTRAK. Layu Fusarium yang disebabkan oleh Fusarium oxysporum. f. sp. tacheiphillum merupakan salah satu penyakit penting pada tanaman krisan. Penyakit ini sulit dikendalikan karena patogennya bersifat tular tanah. Penelitian bertujuan mengetahui peranan penggunaan Gliocompost dalam upaya mengurangi penggunaan pestisida sintetik dan pupuk kimia yang berlebih tetapi murah, efektif, ramah lingkungan, dan dapat meningkatkan kualitas serta hasil bunga potong krisan. Percobaan dilaksanakan di Laboratorium Balai Penelitian Tanaman Hias Segunung dan Rumah Plastik Kelompok Tani Sekar Poncokusumo, Malang-Jawa Timur (850 m dpl.), mulai Bulan Januari sampai dengan Desember 2010. Penelitian menggunakan rancangan acak kelompok dengan tiga ulangan. Perlakuan terdiri atas delapan paket yaitu: (A) pupuk kandang sapi (organik) setara 50 t/ha (cara Poncokusumo); (B) pupuk kimia sintetik sesuai SOP (200 kg/ha Urea, 300 kg/ha SP-36, dan 350 kg/ha ZK); (C) pupuk kandang sapi (organik) sesuai SOP (30 t/ha) + pupuk kimia sintetik sesuai SOP (200 kg/ha Urea, 300 kg/ha SP-36, dan 350 kg/ha ZK); (D) Gliocompost (4 t/ha); (E) Gliocompost (4 t/ha) + pupuk kimia sintetik sesuai SOP (200 kg/ha Urea, 300 kg/ha SP-36, dan 350 kg/ha ZK ); (F) Gliocompost (4 t/ha) + cara Poncokusumo (100%), yaitu pupuk kimia sintetik ( 200 kg/ha Urea, 300 kg/ha SP-36, dan 350 kg/ ha ZK) + fungisida (piraklostrobin 250 g/l dan azoksistrobin 200 g/l + difenokonazol 125 g/l); (G) Gliocompost (4 t/ha) + cara Poncokusumo (50%), yaitu pupuk kimia sintetik (100 kg/ha Urea, 150 kg/ha SP-36, dan 175 kg/ha ZK) + fungisida (piraklostrobin 125 g/l dan azoksistrobin 100 g/l + difenokonazol 62,5 g/l); dan (H) kontrol negatif (tanpa menggunakan pupuk dan fungisida). Hasil percobaan menunjukkan bahwa paket penggabungan antara Gliocompost (4 t/ha) + cara Poncokusumo (50%), yaitu pupuk kimia sintetik (100 kg/ha Urea, 150 kg/ha SP-36, dan 175 kg/ha ZK) + fungisida (piraklostrobin 125 g/l dan azoksistrobin 100 g/l + difenokonazol 62,5 g/l), merupakan teknik pengendalian yang paling efektif dapat mengurangi penggunaan pupuk kimia serta pestisida sintetik masing-masing 50%. Aplikasi Gliocompost dapat mengurangi penggunaan pestisida sintetik dan pupuk anorganik sebesar 50%. Selain itu perlakuan Gliocompost dapat meningkatkan pertumbuhan tanaman, produksi, dan lama kesegaran bunga potong pada suhu ruangan.

    Katakunci: Dendranthema grandiflora; Fusarium oxysporum sp. tacheiphillum; Gliocompost; Biopestisida; Biofertilizer; Kualitas bunga potong
    2012 Wakiah Nuryani, Evi Silvia Yusuf, Indijarto Budi Rahardjo, I Djatnika

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