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Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

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Published by Institut Pertanian Bogor

ISSN : 20852916 EISSN : 23373652 DOI : -

Core Subject : Economy, Agriculture,

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

Aims and Scope Aims Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia), the official journal of the Indonesian Society for Agronomy, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia. Scope Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia) covers agronomy in broad sense including plant production, genetic and plant breeding, plant physiology, plant ecology, plant biotechnology, modeling, seed science and technology and weeds science on food, horticulture, plantation, and forage crops.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman

Articles 971 Documents

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Perbanyakan Tunas Mikro Pisang Rajabulu (Musa AAB Group) dengan Eksplan Anakan dan Jantung Ernawati, Andri; Purwito, Agus; Pasaribu, J. M.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Research on micropropagation of banana cv. Rajabulu (Musa AAB Group) was undertaken. On initiation stage, sucker was best used as explant during rainy season on solid medium containing 7 mg/l BAP + 3 mg/l IAA and average microshoots was 7 shoots/bottle. While inflorescence as explant was best for initiation during dry season on solid medium containing 9 mg/l BAP + 1 mg/l IAA and average microshoots was 18 shoots/bottle. On multiplication stage, sucker produced microshoot on medium containing 4.5 mg/l BAP + 1.0 mg/l kinetin (2.9 shoots). While inflorescense produced microshoot on medium containing 6.0 mg/l IAA + 2.0 mg/l BAP (2.4 shoots). Acclimatization of plantlets produced from sucker and inflorescense was best on medium of compost 75% + soil 25%. Key words: micropropagation, sucker, inflorescense, banana Rajabulu (Musa AAB Group)

Perbanyakan Ruskus (Ruscus hypophyllum L.) secara In Vitro Purwito, Agus; Muklisa, Prima; Maharijaya, Awang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

These experiments were aimed to obtain optimum medium for micropropagation of Ruscus. There were two experiments consist of in vitro shoots proliferation, shoot elongation and rooting. The experiment of shoot proliferation performed by inducing adventitious shoots from explant in the Murashige and Skoog (1962)(MS) basal medium supplemented with combination of plant growth regulators BAP (0.0, 0.5, 1.0, 2.0, 4.0 and 6.0 mg/l) and IAA (0.0, 0.1, 0.2 and 0.4 mg/l). The elongation and rooting of plantlets were induced in the different concentration of the MS basal medium (0.5, 1.0 and 2.0 strength) combined with IBA (0.0, 1.0, 2.0, 3.0 and 4.0 mg/l). Both experiments were arranged as completely randomized design with 15 replications. Adventitious shoots were produced in all medium supplemented with BAP with or without IAA. However MS medium supplemented with BAP 1 mg/l or 2 mg/l combined with IAA 0.2 mg/l were the best. The number of adventitious shoots in these medium were 9.2 and 9.4 shoots after 8 weeks cultured respectively. Increasing concentration of BAP more than 4 mg/l decreased number and size of adventitious shoots. The plantlets produced in the proliferation medium were then transferring to the next treatments for elongation and rooting. The best medium for elongation and rooting were medium with half strength of MS with or without IBA. Acclimatization conducted by transferring the rooted plantlets on the medium containing sterilized soil and rice husk charcoal (1:1). After 4 weeks acclimatization, 60-100 percent of plantlets were survived and growth, depend on treatments. Key words: Acclimatization, adventitious shoot, micropropagation, rooting, Ruscus hypophyllum L.

RESEARCH NOTE Floral Bud Length as Morphological Predictor for Microspore Developmental Stage in Sturt’s Desert Pea (Swainsona formosa) Zulkarnain, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

This work was conducted to establish the relationship between microspore developmental stage and length of the floral bud in glasshouse-grown Sturt's desert pea, a native Australian legume. The stages of microspore development were segregated into tetrad, early-uninucleate, mid-uninucleate and late-uninucleate. The results showed that the stage of microspore development was highly dependent on the length of floral bud. The tetrad stage lasted longer than early-, mid- or late-uninucleate stages. The attempted induction of androgenesis in Sturt's desert pea using anthers from floral buds with similar size, as in the present work, was unsuccessful. However, our work showed that the floral bud length can be used as a reliable predictor of microspore developmental stage in Sturt's desert pea. Key words: Sturt's desert pea, Swainsona formosa, androgenesis, legume

REVIEW Rekayasa Genetika untuk Mengatasi Masalah-masalah Pascapanen Efendi, Darda
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Flavr Savr tomato is a transgenic tomato which is transformed using Polyglacturonase gene in antisense orientation. This is the first whole food product of biotechnology that reachs the market, but unfortunately it does not succeed. Ethylene is thought to act as a natural triggering mechanism for fruit ripening and senescence. Lowering the production of endogenous ethylene from fruit should delay fruit ripening and senescence. Several ways to control ethylene biosynthesis are: inactivation of the gene encoding ACC synthase, ACC oxidase, metabolism of SAM so that ACC is not produced, or metabolism of ACC before it can be converted to ethylene. Effect of ethylene can also be blocked by blocking the perception of ethylene by specific tissues. Key words: Ethylene, ACC synthase, ACC oxidase, SAM hydrolase, genetic transformation.

Penggunaan Media Alternatif pada Kultur In Vitro Jahe (Zingiber officinale Rosc.) Varietas Gajah Sutarto, Ismiyati; Supriatna, Nana; Yuliasti, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The problem faced in cultivation of ginger is the availability of uniform plant propagation materials. Ginger is propagated through underground rhizomes. Growth of the rhizome is not uniform, since the shoots do not sprout at the same time. Most of the rhizomes were attacked by several diseases such as bacterial wilt, soft rot, and nematodes. Propagation of plant material through in-vitro culture is also an obstacle since the price of pure agar and chemicals is very expensive. Therefore, production of cheap, uniform and disease-free plant materials with rapid multiplication rate is necessary for the successful ginger cultivation. The use of alternative media on in-vitro culture of ginger (Zingiber officinale Rosc.) cv. Gajah was conducted in order to substitute cheaper alternative media for in-vitro culture of ginger. An experiment using two basic composition of media (MS and liquid fertilizer) and three different types of agar (seaweed, Swallow and Oxoid agar) was done at the Tissue Culture Laboratory of Center for Research and Development of Isotope and Radiation Technology, Jakarta. The result showed that the highest shoot height, number of shoot and leaf was obtained from medium composition of sea weed and MS. Whilst the medium of Oxoid agar and MS produced the longest and the highest number of root. The cheapest medium was found from seaweed and liquid fertilizer composition, whereas the most expensive medium was from Oxoid agar and MS composition. Seaweed and Swallow agar in MS media showed similar growth performance as well as Oxoid agar in development of ginger plantlets. Key words : Media, In-Vitro, Ginger

Respon Tanaman Kacang-Kacangan yang Bersifat Determinate dan Indeterminate pada Berbagai Kondisi Ketersediaan Air Thomas, ,; Robertson, M. J.; Fukai, S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Growth and yield of soybean and blackgram, having determinate and indeterminate in flowering respectively, were compared under three water regimes. Under well-watered conditions, blackgram continuously produces flowers where under rainfed + irrigation and rainfed condition, two periods of flowering can be distinguished. While only one period of flowering was observed in soybean. The second flush of flowering of blackgram in rainfed and rainfed + irrigation areas occurred during high rain fall. Partial irrigation as much as 80 mm toward the end of pod filling in soybean did not give benefit to soybean, but irrigation stimulate flowering in blackgram and increase yield up to 25%. Thus indeterminate behavior might give higher yield under rainfed condition due to its flexibility of flowering. Key words: Determinate, Indeterminate, Flowering, Water stress

Pemanfaatan Pupuk Majemuk sebagai Sumber Hara Budidaya Tomat secara Hidroponik Kusumawardhani, Amalia; Widodo, Winarso Drajad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this research was to know the effect of compound fertilizer as nutrient source for hydroponics tomatoes. This experiment was conducted from Mei to September 2002, at Cikabayan Experiment Station of The Faculty of Agriculture, Bogor Agriculture Institut (IPB). The compound fertilizers used were Grow More, Gandapan, Hyponex, and Joro AB mix as control. Experimental design used was Randomized Block Design with three replications. The results of this experiment indicated that Joro and Gandapan have the greatest effect for vegetatif phase. There was no significant difference between control (Joro) and the treatments (Grow More, Gandapan, and Hyponex) in number of flower, fruit set, fruit weight, and bad fruit weight, fruit quality, percent total solid. This indicated that the fertilizers could be used as nutrient source for tomato cultured in hydroponics. Key words : Hydroponic, Multi fertilizer, Vegetatif, Generative phase.

SCAR (Sequence Characterized Amplified Region) Analysis for Blast Resistant Evaluation on 12 Genotypes of Rice Sobir, ,; Andrianyta, Harmi; Amir, Mukelar
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Resistance evaluation to blast disease (Pyricularia grisea) on 12 paddy genotypes was carried out in the green house by using spray inoculated method with race 033 and 041 of P. grisea , and SCAR (Sequence Characterized Amplified Region) marker by using Pib primer pairs. The results revealed that among 12 paddy genotypes were classified into six resistance groups. The first group comprised two genotypes (Jatiluhur and Asahan) having three resistance genes. The second group comprised two genotypes (Oryza malampuzhaensis and O. punctata) having two resistance genes against race 033 and 041. The third group had one resistance gene against race 033, comprised one genotype (Way Rarem). The fourth group comprised one genotype (Danau Tempe) having two resistance genes against 041 race and Pib. The fifth group comprised three genotypes (Kalimutu, Maninjau and Laut Tawar) having two resistance genes against race 033 and Pib. The sixth group comprised two genotypes (Kencana Bali and Cirata) having no resistance gene to blast race 033 and 041, and Pib. These results indicated that Pib gene did not confer resistance to race 033 and 041 of Pyricularia grisea. Resistance to race 033 and 041 might be controlled by different resistant gene. Key words : SCAR, Blast resistant, Rice

Fluoresen Klorofil Benih: Parameter Baru dalam Penentuan Mutu Benih Suhartanto, Mohamad Rahmad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

It has been shown that chlorophyll content of seeds was negatively correlated with germinability towards the end of maturation. Physiological maturity was achieved when the chlorophyll fluorescence reached a minimum. The presence of chlorophyll in seeds and its relation with the progress of seed maturation has gained renewed interest after the development of Laser Induced Fluorescence (LIF). This equipment is able to measure and analyze chlorophyll fluorescence in the seed instantaneously and non-destructively. The use of LIF makes it possible to perform physiological and biochemical assays after chlorophyll fluorescence measurement in the same seeds. Based on the results from some experiments as well as the literature, the role of chlorophyll in developing seeds is presented. The overall conclusion is that chlorophyll is required during seed development, but undesirable during maturation. We hypothesize that the presence of chlorophyll during seed maturation is undesirable since it is associated with lower quality, particularly lower seed longevity. Chlorophyll may also be a primary source of free radicals. Seed chlorophyll fluorescence was affected by endogenous abscisic acid, gibberellins and phytochrome. Light, temperature and relative humidity may also influence the chlorophyll fluorescence of seeds. Key words: Chlorophyl, Fluorescence, Parameter, Seed testing

Nitrogen Transfer of Two Cultivar Faba Bean (Vicia faba L.) to Oat (Avena sativa L.) Purnamawati, H.; Schmidtke, K.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 1 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Nitrogen fixed by the legume could be used by other plants, such as through rhizodeposition and direct transfer between roots. The possibility of N transfer in intercropping legum-cereal have long been observed, especially legum with short and dense root. This experiment had been carried out to determine whether there was N transfer from faba bean (Vicia faba L.) growing in association with oat (Avena sativa L.) and whether there was difference between two cultivars of faba bean in the amount of N transfer. Methods used were complete-mixed-root (CMR) between faba bean and oat, and mixed half the root of faba bean with oat (SR). As a tracer isotope 15N was used in form of K15NO3. The experiment was carried out from May 2000 through January 2001 in Institute of Agronomy and Plant Breeding, University of Goettingen Germany. The data of CMR method had great variance. Using SR method a positive value of 15N enrichment was found in oat indicated that transfer N from faba bean cv. Minica and Scirocco occurred. There was no difference found in the amount of N transferred between the two tested cultivars. Key words: N transfer, 15N, Faba bean, Oat

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Fatardho Zudri

Contact Email fatardho@gmail.com

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Journal Mail Official jurnal.agronomi@yahoo.com

Editorial Address Jl. Meranti, Kampus IPB Dramaga, Bogor 16680

Location Kota bogor, Jawa barat INDONESIA

Abstract

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Abstract

Contact Name
Fatardho Zudri

Contact Email
fatardho@gmail.com

Phone
-

Journal Mail Official
jurnal.agronomi@yahoo.com

Editorial Address
Jl. Meranti, Kampus IPB Dramaga, Bogor 16680

Location
Kota bogor,

Jawa barat

INDONESIA