Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652
urnal Agronomi Indonesia, sebelumnya bernama Buletin Agronomi, terbit sejak 1962, diterbitkan oleh Departemen Agronomi dan Hortikultura Fakultas Pertanian, Institut Pertanian Bogor dan Perhimpunan Agronomi Indonesia (PERAGI). Jurnal Agronomi Indonesia merupakan media untuk publikasi tulisan asli yang berkaitan dengan budidaya tanaman secara luas, dalam Bahasa Indonesia maupun Bahasa Inggris. Naskah dapat berupa: hasil-hasil penelitian mutakhir (paling lama 5 tahun yang lalu), ulasan (review)singkat, analisis kebijakan atau catatan penelitian (research note) singkat mengenai teknik percobaan, alat, pengamatan, hasil awal percobaan (preliminary result).
Articles 4 Documents
Search results for , issue " Vol 27, No 1 (1999): Buletin Agronomi" : 4 Documents clear
PENGARUH KAPUR TOHOR UNTUK EKSTRAKSI BENIH TERHADAP VlABILITAS BEIH MANGGIS (Garcinia mangostana L Murniati, Endang; Rostiati, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 27, No 1 (1999): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objectives of this experiment were to evaluate the possibility of using quick lime for extraction of mangosteen seed and the effects on its viability; The experiment was done in Seed Science and Technology Laboratory, Greenhouse, Bogor Agriculture University from November 1997 until February 1998. The materials were taken from smallholder plantation in Jasinga, Bogor. The treatments were arranged factorial in a group randomized block design with two factors. The first factor was 6 levels of quick lime concentration (K) : 0 g/l, 10 g/l, 15 g/l, 20 g/l, 25 g/l, 30 g/l and the second factor was 4 levels of soak periods: 0 minute, 10 minutes, 20 minutes, 30 minutes. The experiments had 24 treatments combination with 4 replicates so there were 72 experiment units. The data show that seed extraction using quick lime gave statistically significant different results compared with seed extraction without using quick lime and so the soak periods compared with no soak. Interaction between 20 g/l quick lime concentration and 30 minutes soak period gave the best seed emergence (96 %). 20 g/l quick lime concentration save higher vigour than other concentration as measured from its speed of germination, spontaneous growth, and root length. The soak periods increased seed moisture content 30 minutes soak period resulted higher viability and vigour than other soak periods as measured from its normal seed dry weigh, spontaneous growth, epycotyl length and root length.
ISOLASI DAN REGENERASI PROTOPLAS DARI MESOFIL DAUN KENT ANG (Solanum tuberosum L) DIHAPLOID Purwito, Agus; Wattimena, G. A.; Suwanto, Antonius; Suharsono, Inez H.S. Loeddin; Aswidinnoor, Hajrial
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 27, No 1 (1999): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The isolation and regeneration of potato (Solanum tuberosum L) protoplasts have been carried out. Mesophyl cell protoplast were isolated from two dihaploid cultivars of potato BF 15 and SVP 10 leaves used four different enzymes solution. Protoplast were cultured onto four different cultures media to increase plating efficiency. Calli were then transferred to ten different regeneration media. Using cellulose RS 0.5 % and pectolyase Y-23 0.05 % protoplast yield of both cultivars were improved. Medium VKM  supplemented with 0.2 mg/l 2, 4-D, 1.0 mg/l NAA and 0.5 mg/l zeatin or 2iP were increase recovery of colonies from protoplast up to 5.9%. Regeneration medium containing zeatin did always produce more shoots than those of 2iP. Genotypes dependant regeneration frequencies have also been showed in this experiments
STUDI EFEKTIVITAS PENCAMPURAN SURFAKTAN DENGAN HERBISIDA UNTUK JALUR TANAMAN KARET BELUM MENGHASILKAN Sulistyono, Eko; Lontoh, A. Pieter; Widagdo, Hady
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 27, No 1 (1999): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of research was to know effective concentration of surfactant and kind of herbicide. Research was conducted at young rubber plantation of PTPN VIII, Sukabumi, West Java. Factorial experiment was arranged in Randomized Block Design with three replication. The first factor was kind of herbicide, glyphosate 2.5 l/ha, sulphosat 1 .5 l/ha and paraquat 2 l/ha. The second factor was surfactant concentration of 0 %, 0.1 % and 0.2 %. Glyphosate that was mixed with 0.2 % of surfactant controlled weed at young rubber plantation effectively. It was showed by low persentage of weed covering. Paraquat without surfactant controlled Borreria alata, and Commelina benghalensis. Glyphosate without surfactant controlled Ottochloa nodosa and Ischaemumti morense.
PENGARUH PERLAKUAN PASCA PANEN DAN SUHU SIMPAN TERHADAP DAYA SIMPAN DAN KUALITAS BUAH MANGGA (Mangifera indica L.) VARIETAS ARUMANIS Purwoko, Bambang S.; Magdalena, Fera Santi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 27, No 1 (1999): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the experiment was to test the effectiveness of several postharvest treatments of mango at different storage temperatures. Mango cv. Arumanis at 80 % maturity was used in the experiment. A factorial experiment consisted of 2 factors was used. The two factors were storage temperature (24 - 25°C and 18 -19°C) and postharvest treatments (spermidine 1 mM; CaCl2 3 %, plastic wrapping, waxing, and control). Result of the experiment showed that plastic wrapping was the best in inhibiting weight loss, the increase of total soluble solid, ratio of TSS / acidity, the decrease of acidity. However; it also gave off-flavor. Storage at 18 -19°C was effective in inhibiting the increase of softening, total soluble solid, and the decrease of acidity

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