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 5 Documents
Search results for , issue " Vol 24, No 1 (1996): Buletin Agronomi" : 5 Documents clear
TOLERANSI TANAMAN KEDELAI TERHADAP CEKAMAN AIR : AKUMULASI PROLIN DAN ASAM ABSISIK DAN HUBUNGANNYA DENGAN POTENSIAL OSMOTIK DAUN DAN PENYESUAIAN OSMOTIK Sopandie, Didy; Hamim, ,; Jusuf, Muhammad; Heryani, Nani
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 24, No 1 (1996): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

In this experiment. the changes on leaf osmotic potential and accumulation of proline and abscisic acid were identified from drought-tolerant and drought - sensitive soybean genotypes. Three drought - tolerant (Mlg 2805, Mlg 2984 and Mlg 2999) and two sensitive soybean genotypes (Mlg 2510 and Mlg 3541) were subjected to drought condition created by regulating water supply in greenhouse.  The results revealed that exposing plants to drought stress brought about a decrease of leaf osmotic potential. The decrease of which was greater in drought-tolerant genotypes (6.91 to 10.11 bars) than in sensitive genotypes (0.55 to 0.69 bars). The decreasing of leaf osmotic potential was followed with increasing praline accumulation, especialy for Mlg 2805. Only Mlg 2805 showed the significant ABA accumulation when the plants were subjected to drought stress. It is suggested that the drought tolerance was associated with the reduction of leaf osmotic potential (osmotic adjusment) in which proline might play an important role. The role of ABA could not be clarified since there had been a great variability in ABA content of all tolerant genotypes.
PERBANYAKAN IN VITRO TANAMAN BAWANG PUTIH (Allium sativum L.) VARIETAS LUMBU PUTIH MELALUI INDUKSI TUNAS ADVENTIF Wiendi, Ni Made Armini; Wattimena, G. A.; Prasetyanti, Enny
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 24, No 1 (1996): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Two sets of experiments were conducted to determine the effect of growth hormones, argynine, and coconut water, on the adventitious shoot induction from garlic tissue, and also to find out the best medium for adventitious shoots proliferation. Both experiments could induce direct adventitious shoot and indirect adventitious shoot formation, from calli. Medium with 2 ppm Kinetin and 0.4ppm 2,4-Dproduce good quantity and quality of shoots. The number of shoot from this medium were 32.6 shoots per explant. Medium with 0.5 ppm Kinetin, 0.1 ppm 2.4-D, 25 ppm Argynine, and 10% coconut water produce the highest diameter and good quality of calli, while medium with 1 ppm 2iP and 25 ppm Argynine induced adventitious shoot from calli and produced the highest number of shoot per culture (33.9 shoots).
PENGARUH STERILISASI DAN DOSIS PUPUK KANDANG TERHADAP PERTUMBUHAN UMBI CALLA LILY (Zanthedeschia elliottiana) Krisantini, ,; Yusuf, M.; Tjia, B.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 24, No 1 (1996): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the experiment was to find out if sterilization of the media prior to planting, combined with application of various rates of chicken manure for fertilization, would increase production of calla lily tubers with are 3 - 5 cm diameter size. The experiments used two plots, one with sterilized and the other with non-sterilized media and chicken manure. Small tubers with ┬▒ 1 cm diameter and had fulfilled their dormancy requirement were planted. Chicken manure was applied at four different rates: 3, 5, 7, 9 kg/m2, and replicated four times. Data were taken on height, fresh and dry weight of plants, number of leaves. and percentages of various tuber size, following harvest. Tubers showed better results in terms of fresh and dry weight, and percentages of larger than 3 cm diameters tubers. Highest yields were obtained with 3 kg/m2 chicken manure.
PENGARUH JENIS SETEK DAN MEDIA PEMBIBITAN TERHADAP PERTUMBUHAN BIBIT TANAMAN LADA (Piper nigrum L.) Hariyadi, ,; Darmawan, I.; Zaubin, R.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 24, No 1 (1996): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The experiment was carried out at green house of Medicinal and Spice Plant Research Agency, Bogor from May to October 1993. The split plot design in randomized block design was applied for 2 factors and 3 replication. The main plot was 2 kind of bud (secondary branch bud and tertiary branch bud), and the sub plot was 5 different growth media consisted of sand + cow dung + top soil mixed i.e. 1 : 1 : 0 : 1 : 1 : 1 : 1 : 1 : 2 : 1 : 1 : 3 and 1 : 1 4.The kind of bud did not significantly influence the pepper seedling growth. The best seedling shoot growth was obtained by the combination treatments of sand + cow dung + top soil (1 : 1 : 0), and the best seedling root growth was obtained by the combination of sand + cow dung + top soil (1 : 1 : 2
PENGARUH HIDROGEN SIANAMIDA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN TEH (Camellia sinensis (L.) O. Kuntze) SETELAH PEMANGKASAN Junaedi, Ahmad; Susanto, Slamet
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 24, No 1 (1996): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The experiment was aimed to study the effect of hydrogen cynamide on tea growth and production after pruning. The experiment was conducted at Goalpara Tea Plantation (1100 m above sea levels) from September 1994 to March 1995. Clone TR12025 planted in 1976 with 29 months pruning cycle was pruned a week before application of hydrogen cynamide. Randomized Complete Block Design was used in this experiment with four treatments and four replications. Treatments consist of hydrogen cynamide 0.00 % (control), 0.50 %, 1.25 % and 2.50 %. An experiment unit consists of 20 tea plants. The results showed that treatments of hydrogen cynamide was not significantly increase the number of shoots and weight of "tipping" (shoot tipped on first plucking). The production was not significantly increased by the treatments. However, hydrogen cynamide at 0.50 % could increase 11.5 % fresh weight (equivalent 0f 9.9 % dry weight).

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