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 7 Documents
Search results for , issue " Vol 22, No 2 (1994): Buletin Agronomi" : 7 Documents clear
PENGARUH TINGKAT KEMASAKAN BENIH DAN METODE KONSERV ASI TERHADAP VIGOR BENIH DAN VIGOR KACANG JOGO (Phaseolus vulgaris L.) Kartika, Elis; IIyas, Satriyas
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The purpose of this experiment was to investigate the effect of various levels of seed maturity and conservation methods on seed vigor and seedling vigor of broad bean( Phaseolus vulgaris L.). The experiment was conducted at Darmaga IV Experimental Station, seed Science and Technology Laboratory - Leuwikopo IPB and BIOTROP, Tajur. Broad bean no. 1058 was used in this experiment. Seed vigor testing was carried out in the laboratory, using Completely Randomized Design, while Randomized Complete Block Design was applied to field experiment for testing seedling vigor. The treatment consisted of two factors as followed:(I) Levels of seed maturity: MI = 27 daf (days after flowering), M2 = 30 daf, M3 = 33 daf, M4 = 36 daf, and M5 = 39 daf (2) Conservation methods: K 1 = pods were spread out in the processing unit room for about 1 week, the seed moisture content was dropped to 40%; K2 = sun drying; K3 = artificial drying, using seed dryer 400C. Seed moisture content was dropped to 9 - 10% in K2 and K3 methods. Broad bean seeds harvested at 36 daf, the time when physiological maturity was reached, followed by either sun drying or artificial drying, showed a maximum seed vigor. However, a higher seedling vigor resulted from sun drying as compared to artificial drying. Before physiological maturity seed vigor and seedling vigor was still lower, while the vigor was reduced after physiological maturity.
PENGARUH PUPUK NITROGEN DAN TINGGI MUKA AIR TANAH TERHADAP PERTUMBUHAN BINTIL AKAR, PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max (L.) Merrill) SUWARTO, ,; MUGNISJAH, Wahju Qamara; SOPANDIE, DIDY; MAKARIM, ABDUL KARIM
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Pot experiments and laboratory analysis were conducted to determine the effect of N fertilization and level of water table treatments of wet soybean culture on nodule formation and seed yield of soybean. The pot experiment was conducted in Cibungbulang and laboratorium analysis, was at three different laboratories: Soil, Agronomy, and Pasture, Bogor Agricultural University, started on August, 1993 up to February, 1 994. Three factors to be evaluated, namely varieties (Lokon and Lompobatang), N fertilizer applications of 0, 140, and 280 mg pot -1 (equivalent to 0, 25, and 50 kg N ha -1), and the level of water tables of (control, -15 cm, -10 cm, and -5 cm below the soil surface). They were arranged in randomized complete design. The highest value of nodule dry weight of Lokon variety (0.707 p. was resulted from the plant grown under -15 cm water table without N fertilizer (0 mg N pot- ). Lompobatang highest value (1. 727g) on -10 cm water table and fertilized with 140 mg N pot -1. The increases of nodule dry weight by the treatment were 0.300 g (73.7%) for Lokon and 1. 134 g (194.5%) for Lompobatang, respectively compared to control. Both varieties showed highest value of seed weight per plant if grown under -15 cm water table and fertilized with 140 mg N pot -1. Compared to control media, respective increased seed weight per plant 1.94 g (12.9%) for Lokon and 5. 40 g (25.4%) for Lompobatang.
PENGARUH PENGATURAN POPULASI DAN UKURAN LEMPENGAN RUMPUT MANILA (Zoysia matrella (L.) Merr) TERHADAP PERTUMBUHAN DAN PERKEMBANGANNYA Nurisyah, Siti; Mattjik, Nurhajati Ansori; Wulansari, Wiati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Zoysia matrella (L.) Merr. is a widely used ornamental grass, particularly in home and landscape gardens, because of its soft appearance and high quality. One of main problem is its low growth rate. Therefore, specific cultural techniques are required to accelerate its growth while maintaining its attractive appearance. This experiment was aimed to study the effect of sod size and planting distance of Zoysia mairella. on grass growth and development. The experiment was conducted at the IPB experimental station at Darmaga IV, Bogor, for 8 months and was completed in August 1990. The trials used a split plot design with 2 factors and 3 replications. Treatment consisted of 2 planting distances i.e. (20 x 20) cm and (25 x 25) cm, and 4 sod sizes, i.e. (2 x 2) cm, (5 x 5) cm, (8 x 8) cm, and (10 x 10) cm. The variables observed were percentage of coverage, rate of coverage, quality of leaf color quality of appearance, and uniformity of growth. The results indicated that population density did not significantly affect variables observed except for uniformity of growth. Hence, the larger the sod size, the higher its rate of coverage and the more uniform its appearance, but the lower its quality of appearance. Statistically, the sod size significantly affected the percentage of coverage, rate of coverage, quality of appearance, and uniformity of growth
PENGARUH KONSENTRASI DAN SELANG WAKTU PEMBERIAN PUPUK DAUN AGROKING 2000 TERHADAP PERTUMBUHAN SETEK TEH TRI 2025 (Camellia sinensis (L). O. Kuantze). Bintoro, M. H.; Herdiana, Yudi; Dalimunthe, Salwa L.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

This experiment was carried out at Gambung Experimental Station from January till June 1993. The objective of this experiment was to study the effect of Agro King 2000 concentration compare with Gemari 2 ml L-1 and intervals application on tea cutting node growth. The experiment was arranged in Factorial Randomized Block Design. It consisted of two factors and three replications. The first factor was Agro King 2000 concentrations 1 ml L -1, 2 mL -1, 3 ml L -1 , 4 ml L-1, and 2 ml Gemari L-1 as control. The  second factor was Gemari and Agro King interval applications at 2, 3 and 4 weeks application.  . Interval application treatments and various concentrations of Agro King 2000 and Gemari and the interaction of both treatments did not significantly affect on all tea cutting node growth variables. It means Gemari and Agro King can be used for tea cutting node. This experiment suggested that 2 mIL-1  Gemari or 1 miL-1 Agro King2000 for every 4 weeks could be used for tea cutting node.  
PENJARANGAN BUAH ANGGUR "BS-6" DENGAN PEMETIKAN BUAH DAN PEMOTONGAN TANDAN Widodo, Winarso D.; Harjadi, Sri Setyati; Wattimena, G. A.; Mattjik, A. A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

An experiment consists of two separated trial sets had been carried out at Probolinggo, East Java to study of manual thinning on berry cluster of "BS-6" grape by berry removal and cluster tipping. Berry thinning severities that were investigated consists of berry-removing and cluster tipping, each applied control, 20%, 40% and 60% thinning treatments at 7 or 14 days after anthesis. Berry removal did not influence to berry density but increased large-berry proportion and juice quality; since cluster tipping increased berry density, berry size and berry uniformity. Manual thinning at 7 days after anthesis gave better effect than at 14 days after anthesis
IDENTIFICATION AND ANALYSES OF SHORT CHAIN FATTY ACIDS IN APPLE SEED PARTS DURING STRATIFICATION Purwoko, Bambang S.; Powell, Loyd E.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis perubahan kandungan asam lemak rantai pendek (ALRP) pada biji apel selama stratifikasi. Asam-asam heksanoat, oktanoat, nonanoat, dan dekanoat telah diidentifikasi dengan Gas-Kromatografi Mass- Spektrometri. Analisis rutin ALRP dengan Gas-Kromatografi menunjukkan bahwa kandungan ALRP tertinggi ditemukan pada membran nuselus. Konsentrasi ALRP pada kulit biji rendah dan setingkat dengan kandungan ALRP pada embrio. Asam heksanoat merupakan ALRP terbanyak pada semua bagian biji padahal asam ini dianggap inhibitor yang lemah. Kandungan asam nonanoat dan dekanoat jauh lebih kecil dan biasanya kurang dari 10-4 M Gambaran umum perubahan ALRP selama stratifikasi adalah menurun atau konstan dan kandungannya kurang dari 10 -3 M, terlalu kecil untuk menjadi inhibitor yang signifikan dalam mekanisme dormansi. Penurunan ALRP terjadi pada suhu 5 °C dan 2 °C, padahal hanya perlakuan 5 °C yang dapat  memecahkan dormansi biji apel. Dari studi ini, dapat disimpulkan bahwa perubahan kandungan ALRP selama stratifikasi tidak mendukung hipotesis bahwa ALRP berperan dalam dormansi biji apel.
THERAPY CYCLING TO ELIMINATE HIGH-TITERED, MULTIPLE VIRUS INFECTION IN VITRO POT A TO PLANTLETS Dewi, Iswari S.; Slack, Steven A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 22, No 2 (1994): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

A protocol for treatment of in vitro potato plantlets to eliminate systemic viruses was established. Efficiency decreased, however, for selected genotypes when a virus was high-titered and/or multiple viruses existed Modified nodal cutting (Mncs =  

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