Pengujian Keefektifan Gliokompos terhadap Pertumbuhan dan Perkembangan Tanaman Krisan
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Indonesian Center for Horticulture Research and Development
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Penelitian bertujuan mengetahui pengaruh aplikasi gliokompos terhadap pertumbuhan dan perkembangan tanaman krisan yang dilaksanakan di Kebun Percobaan Balai Penelitian Tanaman Hias Segunung dari bulan September 1999 sampai dengan Januari 2000. Penelitian menggunakan rancangan acak kelompok pola faktorial dengan tiga ulangan. Delapan komposisi media tanam berupa perbandingan volume gliokompos, pupuk kandang, dan tanah sebagai faktor pertama dan tiga varietas, yaitu saraswati, retno dumilah, dan dewi sartika sebagai faktor kedua. Data diperoleh dari beberapa peubah pertumbuhan dan hasil bunga. Penggunaan gliokompos efektif dalam meningkatkan pertumbuhan tanaman, hasil bunga serta ketahanan tanaman terhadap serangan penyakit tular tanah. Pertumbuhan dan hasil bunga terbaik ditunjukkan oleh varietas retno dumilah, disusul dengan varietas saraswati dan dewi sartika. Penggunaan pupuk kandang sebagai media tanam cenderung menurunkan ketahanan tanaman akan serangan beberapa penyakit tular tanah. Sebaliknya penggunaan gliokompos mampu menekan serangan penyakit tular tanah serta meningkatkan hasil bunga. Kata kunci: Dendrathema grandiflora Tzvelev; Gliokompos; Kesehatan tanaman; Pertumbuhan tanaman; Hasil bunga ABSTRACT. The objective of this experiment was to evaluate effective- ness of gliocompost as soil sterillant on the cutting production and healthiness. Experiment was conducted at Indone- sian Ornamental Research Institute Segunung from September 1999 to January 2000. A factorial randomized block design with three replications was used in this experiment. Eight medium compositions described by volume ratio of gliocompost, chicken manure, and soil, were notated as first factor. Three varieties, namely saraswati, retno dumilah and dewi sartika, were used as second factor. Data collected were plant growth and healthiness as well as flower pro- duction. Based on the available data, concluded that the best plant growth performance and flowers production were showed by retno dumilah, followed by saraswati and dewi sartika. The use of chicken manure as a planting medium tended reduce plant resistance to soil borne diseases. Inversely, the use of gliocompost as planting medium increased plant resistance and flower production..
Keywords
Dendrathema grandiflora Tzvelev; Gliocompost; Plant health; Plant growth; Flower yield