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  • KETAHANAN BEBERAPA KULTIVAR KRISAN TERHADAP PENYAKIT KARAT
  • No. Deskripsi Tahun Penulis Download
    1 1994 I. Djatnika 1), Kristina Dwiatmini 2), dan Lia Sanjaya 3)

    Daftar Publikasi Lainnya (Buletin Penelitian Tanaman Hias No. 2 Vol. 2)

    • I. Djatnika 1), Kristina Dwiatmini 2), dan Lia Sanjaya 3)

      Ketahanan beberapa Kultivar Krisan terhadap Penyakit Karat

      Chrysanthemum flower have got economic high value. Rust disease is the main constrain of Chrysanthemum cultivation. A test on resistance of some commercial Chrysanthemum cultivars to rust disease was done in Segunung Horticultural Research station. The experiment was held in two conditions. 1.e. in screen house and in field. The results showed taht cultivar of 124 was immune to rust disease. Cultivars of Puma White. 147. Tiger. Yellow West. 146 and Rhino were very resistant, cultivars of
    • Anggraeni Santi 1), Surachmat Kusumo 2) dan Jaka Prasetyo 3)

      Pengaruh Pupuk Daun dan Asam Giberelat terhadap Pertumbuhan Anggrek Renanthanda Christina Martha Thiahohu

      This experiment was conducted at PAsar Minggu experimental Garden from June 1993 to March 1994 using a Randomized Block Design with four replications. The treatments consisted of two levels foliage fertilizer doses (0.2% and 0.3%) and four level of Gibberelic acid doses (0; 50; 100; and 150 ppm) as combinations The result showed that the application of 0.3% foliage fertilizer and 50 ppm Gibberelic acid gave the best effect on the growth of Renanthanda Christina Martha Thiahohu
    • Toto sutater 1)

      Pengaruh Dolomit dan Pupuk N terhadap Pertumbuhan dan Produksi Bunga Gladiol

      An experiment was conducted at Salabintana Sukabumi from December 1993 to May 1994 Split plot design was used with 3 replications. The main plot was N doses (0. 69, 138 and 207 kg/ha) and the sub plot was dolomite dose (0. 1. 2 and 3 t/ha). The cultivar used was Dr. Mansoer. The results showed that N Application increased either floret number per stem or the flower freshness, while dolomite application was able to increase floret number per stem. Flower diameter and flower freshness of
    • Darliah 1), Tohar Dana kusuma 2), Sunarjatin S, 3) dan Iwan Kurnia 4)

      Pengaruh Lamanya Perendaman dan Konsentrasi IBA (Indole Butyric Acid) terhadap Pertumbuhan Vegetatif Setek Mawar (Rose Multiflora)

      The experiment was conducted at Cipanas Horticultural Research at 1100 m above sea level from November to December 1993. The design of experiment was Randomized Block with factorial pattern and three replications. The first factor was dipping periode consisted of 5 and 10 sec. The second factor was concentration of IBA consisted of 0 ppm (control). 1000. 2000. 3000. 4000 and 5000 ppm. There was effect interaction between dipping periode and concentration of IBA on root legth. Dipping periode at
    • I. Djatnika 1), Maryam Abn 2), dam Samijan 3)

      Pengaruh Penyiangan dan Aplikasi Fungisida Cu dan Ni terhadap Intensitas Penyakit Karat dan Populasi Kutu Daun pada Tanaman Krisan

      Production of Chrysantemum is hampered by rust disease and aphid. Some farmers in west Java, had been using pesticides as the only was for controlling diseases and the pests. An experiment was conducted at Experimental Garden of Cipanas Horticultural Research Station. Cianjur from June 1993 until February 1994. The objective of the experiment were to find out method and material to control Chrysantemum diseases and pests. The result showed that in the initial stage of Chrysantemum growth manual
    • Lia Sanjaya 1)

      Pengaruh Penambahan Penyinaran dengan Menggunakan Lampu TL dan Pijar terhadap Pertumbuhan dan Pembungaan Krisan Pot

      The experiment was conducted at screenhouse of Cipanas Horticultural Research Station from May to August 1993 to find out the effect of artifical lighting and lighting period to the plant performance of potted Chrisanthemum morifolium C>V. Autum Glory. The factorial completely randomized design with three replication was used. The treatments were types of lighting source (flourescents and tingsten filament lamps) and lighting period (18.00 - 20.30. 22.30 - 01.00. and 03.30 - 06.00 western
    • Tata R. Omoy 1), D. Sihombing 2), Purbadi 3), dan D. widiastoety 4)

      Preferensi Inang Kumbang Gajah (Orchidophilus aterrimus Wat.) pada Beberapa Kultivar Anggrek Dendrobium

      An experiment on host preference of Orchidophilus aterrimus wat was carried out at Segunung Horticultural Sub Research Station (1100 m above sea level). Since September 1994 until February 1995.to determine the orchid weevil host preferences on Dendrobium cultivars. Method of the experiment was based on Complete Randomized Design (CRD) with 10 treatments and 3 replications. Results of this experiment showed that tha weevil has the lowest preference to Sarifah Fatimah and the most dominant to
    • Sri Wuryaningsih 1) dan Debora Herlina 2)

      Pengaruh Media Tanam terhadap Pertumbuhan Tanaman Hias Pot Spathiphyllum sp.

      An experiment was conducted at Cipanas Horticultural Research Station (about 1100 m above sea level) from Juni 1992 to February 1993 1993. Ten growing media were tested consisted of 1) Bamboo compost + stable manure. 2) Rice husk + stable manure, 3) Charcoaled rice husk + stable manure, 4) Kaliandra + stable manure, 5) Bamboo compost + rice husk + stable manure, 6) Andam + ricehusk + stable manure, 7) Kaliandra + rice manure, 8) Rice husk charcoal + rice husk + stable manure, 9) Soil + stable
    • Maryam Abn 1), I Djatnika 2), dan Samijan 3)

      Hama dan Penyakit Tanaman Melati (Jasminum spp.) serta Beberapa Aspek Bioekologinya

      An inventory on pests and diseases of Jasminum spp, was conducted in central Java (Pekalongan and Tegal) and west Java (Cipanas) on July 1993. Two species of Pyralidae and a species of Pyraustidae (o. lepidoptera) had been found to be the most common pests on Jasminum spp, namely palpita ubionalis (Hubn.) Nausinoe geometralis (Gn.) and Hendecasis duplifascialis Hmps. the first two attacked leaves. While the last bored into flower buds. A mealy bug. Pseudococcus Tongispinus (Targ.) were found
    • Dyah Widiastoety 1)

      Pengaruh Zat Pengatur Tumbuh terhadap Pertumbuhan Vegetatif dan Pembungaan Anggrek Cattleya sp.

      Hydrasil treatments applied at concentration levels of 0.00; 0.75; 1.0; 1.25; 1.50; 1.75; 2.00; 2.25 and 2.50 ppm. The result of indicated that Hydarsil at 1.500 ppm concentration stimulate Cattleya growth, in term of increeased leaf widht by 0.3 cm and number of shoot by 3. Anthough hydrasil treatments did not show any signification on the growth. in term of plant height leaf lenght. leaf are and stimulate flowering.
    • Sanjaya, L. 1), J. Wiroatmojo 2), dan T. Sutater 3)

      Pengaruh BAP Ukuran Subang terhadap Pematahan Dormansi Subang Gladiol (Gladiolus hybridus) Kultivar Queen Occer

      Before used as a propagative material, gladiolus corm usually under takes physiological dormanc. the use of BAP has been konwn as one of the most effective way to break corm dormanc. This experiment was conducted at the Laboratory of Cipanas Horticultural Research station (1.100 m above sea level) from march to june 1993. A factorial randomized block design with twelve combination traetments (four consentration levels of B-A-P i.e. 0,5,10 and 20 ppm and three corm size i,e.? > 3.5 cm. ? 2.5 - <
    • Sri Wuryaningsih 1) dan Darliah 2)

      Pengaruh Media Sekam Padi Terhadap Pertumbuhan Tanaman Hias Pot Spathiphyllum

      Rice husk is one of the waste products which has a good effect on drainage and aeration, no effect on pH, salt solution or nutrition. It is also cheap in price. The experiment to find out composition of rice husk and stable manure as growing medium of Spathiphyllum was conducted at Cipanas Horticultural Research Station from May 1993 until January 1994. The experimental design used was factorial Randomized Block Design with three replications. The rice husk as the first factor consist of six
    • Debora Herlina 1), Toto Sutater 2), dan M. Reza 3)

      Pengaruh Kultivar dan Generasi Tanaman Induk terhadap Kualitas Tanaman Induk dan Bibit Krisan

      The experiment was carry out at PT. Inkarla Cibodas. 1300 m above sea level from April 1993 to February 1994. Two cultivars Chrysanthemum (Regol Time and Mundial) were grown as stock plants. Every 3 weeks cuttings were removed and they were used as stock plants for later generation. All stock plants were grown in long days under Growlux SL 18 Phillips lamp by given supllementary lighting 4 hours every night. The periode of vegetative growth was quantified by each meristen after flower