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 23, No 3 (1995): Buletin Agronomi" : 5 Documents clear
SALT TOLERANCE OF TURFGRASS Puccinellia dirtans: II. IONIC INTERACTION IN THE ROOTS Sopandie, Didy; Moritsugu, Masumi; Kawasaki, T.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 3 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

In this study, multi-compartment transport boxes were used to determine the mobility of ions in the execised roots. For measuring Na uptake, the concentrations of 1, 50 and 150 mM NaCI were used in the external medium, whilst Ca were 0 and 2. 0 mM. The uptake of K was measured from 1.0 mM KCI in the presence of Na (0.50 and 150 mM) and Ca (0.50 and 2.0 mM). In the present study, 22 Na and 86 Rb were used to label Na and K in the external medium, respectively. Addition of Ca inhibited Na uptake in the roots exposed to 1.0 mM and 50 mM NaCI, thought Ca was relatively less effective in 150 mM. High concentrations of NaCI brought about the reduction of K uptake. Calcium, however, did not show any importance in recovering the uptake of K from the adverse effect of Na when the roots were exposed 10 50 mM NaCI, thought stimulating effect of Ca was observed at 150 mM NaCI. The results revealed that the pattern of ionic interactions in Puccinellia distans differs much with that generally found in most of halophyte plants.
SALT TOLERANCE OF TURF GRASS Puccinellia distans: I. GROWTH RESPONSE AND ION ACCUMULATION Sopandie, Didy; Moritsugu, Masumi; Kawasaki, Toshio
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 3 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The aim of this study was to see the salt tolerance of turf grass Puccinellia distans in term of ion accumulation and ionic interactions under salt stress condition. Plants were grown hidroponically in culture solution with addition of NaCI (0, 25, 50, 100 and 200 mM). High concentrations of NaCI brought about growth reduction; the decrease of shoot dry matters was in the range of 30-84% and 30- 70% for root dry matters. Although the yield of plants decreased so much in the presence of 200 mM NaCI, but plants were able to remain alive without showing any visible symptoms of injury. Much more Na was accumulated in the roots than in the shoots. Exposing plants to salinity result in the decrease of K, Ca, and Mg contents.
PENGUJIAN KET AHANAN KOLEKSI GENOTIPE KEDELAI TERHADAP PENYAKIT BISUL BAKTERI Anggraini, Dyah Kusuma; Tjahjono, Budi; Suwanto, Antonius; Aswidinnoor, Hajrial
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 3 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to evaluate the resistance of soybean genotype in the germplasm collection to pustule disease. Seventy five genotypes were evaluated using spray inoculation method. Inoculation was done on the third week after planting. The 75 genotypes evaluated consists of 29 local varieties, 8 national varieties, 23 introduction, and 15 experimental lines. Results of the experiment showed that among the 75 genotypes tested, one local variety, Si Pinang was found resistant to the pustule disease (Xanthomonas campestris pv. glycines). The resistant local variety was collected from Langkat, North Sumatra.
W AKTU TANAM DAN POPULASI TANAMAN JAHE (Zingiber officinale Rosc.) SEBAGAI TANAMAN KEDUA DALAM POLA TANAM BERUNTUN Wiroatmodjo, Joedojono
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 3 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

This study was designed to find out some cultural practices, i.e. the planting time and plant population, to minimize the yield losses of the second crop in ginger continuous cropping pattern. The pot experimental unit consist of planting time treatment (A) with 3 levels i.e. 1, 2, and 3 months after the harvesting of the first crop, and population treatment (B) with 3 levels i.e. 1, 3, and 5 plants/pot. The result shows that the growth and yield were not affected by the planting time treatment, but affected by the plant population treatment. By increasing the plant population from 1 plant/pot (equivalent to 33 300 plants/ha.) up to 3 plants/pot (equivalent to 99900 plants/ha.), the yield reduced about 27.56% in term of tuber fresh weight, but did not affect the tuber growth. Increasing the plant/ha. is not recommended since the production was appraised in term of tuber fresh weight.
PEMILlHAN BAHAN PEMULIAAN UNTUK PEMBENTUKAN VARlETAS UNGGUL DISKRIMINATIF TUMPANGSARI: PADI + JAGUNG + UBlKAYU DI LAHAN KERING. I HASIL BIJI KERING JAGUNG Bari, Abdul; Subandi, ,; Sjamsudin, Endang; Supriyanto, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 3 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Intercropping of Maize, Rice and Cassava is commonly practiced by subsistent farmers on upland agriculture in Indonesia. In general, grain yield of maize under intercropping is very much lower than under monoculture crop. This due to the fact that the variety of maize planted under intercrop was bred and selected under elite, monoculture crop condition. Three field experiments to screen maize breeding materials planted in association with rice and cassava were carried out in Pekalongan (Lampung), October 1993 - November 1994. Three out of 29 entry of maize were selected, MC-1 (optimistic), Wiyasa (neutral) and ICS1 Arj15F (pessimistic). Performance test on grain yield relative stability for three selected materials have to be done before practicing any form of improvement by means of selection.

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