Budiyati Ichwan
Jurusan AgroekoteknologiFakultas Pertanian Universitas Jambi Kampus Pinang Masak, 36361

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FENOLOGI PERTUMBUHAN VEGETATIF DAN GENERATIF TANAMAN DUKU VARIETAS KUMPEH PADA BERBAGAI UMUR (The Phenology of Vegetative and Generative Growth of Duku Kumpeh Varieties at Various Age) Lizawati, .; Ichwan, Budiyati; Gusniwati, .; Neliyati, .; Zuhdi, Muhammad
Bioplantae Vol 2, No 1 (2013)
Publisher : Bioplantae

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Abstract

The objective pf this research was to determine the phenology of vegetative and generative growth of duku plant variety kumpeh at different ages. The treatment was design in randomized block design (RBD) with duku plant age duku as a treatment. The treatments tested were analysis : LA=Age plants less than 25 years; plants LB=Age 25-50 years, and LC=Age 50 years and older plants. On the obtained results, that theair temperature has a positive correlation to the length of shoots, shoots diameter and number of leaves at different plant age duku. Poster for the end of all plant life duku happened in September but there is a difference between the starting time and peak Poster. Flowering in plants duku occurredin the village of Karang Cityin early Octoberis the end of the dry season or the beginning of the rainy season. Duku fruit that reaches fruit set can beharvestedat 125 days after anthesis. Duku plants aged >50 produce fruit that tastes sweeter, with asugarcontent of 18.93% and 0.36% acid levels. Key words :Anthesis, Lansium domesticum, trubus
PERTUMBUHAN BIBIT DUKU (LANSIUM DOMESTICUM CORR.) PADA BERBAGAI KOMPOSISI MEDIA TUMBUH Barus, Yuni; Ichwan, Budiyati; Rinaldi, .
Jurnal Penelitian Universitas Jambi: Seri Sains Vol 16, No 1 (2014)
Publisher : Jurnal Penelitian Universitas Jambi: Seri Sains

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Abstract

Bibit duku memiliki karakteristik pertumbuhan yang lambat karena memiliki sistem perakaran yang dangkal. Oleh karena itu perlu dilakukan perbaikan media tumbuh agar perakarannya dapat berkembang dengan baik. Suatu  penelitian  yang  bertujuan untuk mendapatkan komposisi media tumbuh yang terbaik untuk pertumbuhan bibit duku telah dilakukan  di Kebun Percobaan Fakultas Pertanian,  Universitas Jambi  dari bulan Mei 2013 sampai bulan Agustus 2013. Penelitian  menggunakan Rancangan Acak Kelompok (RAK) dengan enam ulangan.  Perlakuan yang dicobakan adalah komposisi media tumbuh (pasir : tanah : trichokompos) dengan perbandingan  1 : 1: 0 ; 1: 1: 1 ; 1: 2 :1 dan 1: 1: 2. Hasil penelitian menunjukkan bahwa perlakuan komposisi media tumbuh (pasir : tanah : trichokompos) dengan perbandingan1 : 1 : 1 memberikan pertumbuhan bibit duku terbaik. Kata kunci :  media tumbuh, bibit duku, Lansium domesticum
Aplikasi Cycocel dalam Pengendalian Getah Kuning Buah Manggis (Garcinia mangostana L.) pada Lahan Kering Irianto, Irianto; Ichwan, Budiyati; Mapegau, Mapegau
Jurnal Lahan Suboptimal Vol 2, No 2 (2013)
Publisher : Jurnal Lahan Suboptimal

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Abstract

The aim of this experiment was to gain the accurate concentration of cycocel growth for controlling of yellow latex mangoesteen in different age level on field water stress.  This experiment was conducted in Koto Patah village, Keliling Danau, Kerinci, Jambi and was done from June until November 2011 at the altitude of 800 - 900 meter above sea level. Factorial experiment was arranged in a randomized block design. The first factor was cycocel concentrations: 0; 1.500; 3.000; 4.500; dan 6.000 mg L-1.  The second factor was levels of age plants: <30; 30-50; and >50 years.  The data were analyzed by using analysis of variance and continued with BNT test at α=5%.  The results of experiment showed that: (1) the impact of cycocel on number and weight of perfect fruits depended on the age of manggoesteen; (2) manggoesteens which were less than 30 years old and treated with 4.500 mgL-1 cycocel could increase number and weight of perfect fruits; (3) manggoesteens which were older, 30-50 years old and above 50 years old needed less cycocel namely 1.500 mgL-1 for increasing number and weight of perfect fruis.
Pengendalian Pecah Kulit Buah Duku (Lansium domesticum Corr.) dengan Kalsium Karbonat pada Lahan Suboptimal Ichwan, Budiyati; Mapegau, Mapegau; Irianto, Irianto
Jurnal Lahan Suboptimal Vol 3, No 1 (2014)
Publisher : Jurnal Lahan Suboptimal

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Abstract

The broken skin on fruit was the main problem on quality of duku. The availability of calcium on soil presumable having an effect on broken skin on fruit of duku. A field experiment to evaluated the effect of calcium in controlling the broken skin on fruit of duku was carried out in Kumpeh Ulu, Muaro Jambi, Jambi from Januari 2009 through to Februari 2010. The experiment was conducted on suboptimal land with soil acidity is 4.97 (pH H2O). Randomized Completely Block Design was used with 3 replications. The treatments consisted of 4 calcium carbonat doses i.e. 0 ton/ha, 1.0 ton/ha, 1.5 ton/ha and 2.0 ton/ha. The result showed that calsium carbonat doses decresing percentage of broken skin on fruit of duku and increasing concentration of hemicelluloce on fruit skin and fresh weight of fruit, calcium carbonat dose 2 ton/ha gave the lowest percentage of broken skin and the highest hemicelluloce concentration on fruit of duku. The highest of fresh weight of fruit at calcium carbonat dose 1 ton/ha.