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 26, No 1 (1998): Buletin Agronomi" : 4 Documents clear
PENGARUH KONSENTRASI DAN SELANG WAKTU PEMBERIAN EFFECTIVE MICROORGANISMS 4 (EM-4) TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KAPAS (Gossypium hirsutum L.) Arsyid, Moh. Amri; Chozin, M. A.; Zaman, Sofyan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 1 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of this experiment is to study the effect of concentration and application interval of EM4 on growth and yield of cotton. The experiment was held in KP Sindangbarang Bogor from March to August 1996, using RCD with two factors and three replications. The first factor was EM4 concentration which were 0 ml L-1  water, 5 ml L-1  water, 10 ml L-1  water, 15 ml L-1  water, and 20 ml L-1  water. The second factor was application interval which were 5, 10, and 15 days. The result shows that the concentration of 5 ml L-1  water significantly affected the vegetative growth. But in the contrary, application interval and its interaction do not give the similar effect. The generative growth were significantly affected by concentration and application interval and its interaction. The best combination for maximum cotton yield is in concentration of 5 ml L-1 water and application interval 10 days, and for maximum seeded cotton yield is 5 ml L-1 water and 15 days.
KORELASI GENOTIPIK ANTARA HASIL DENGAN TINGKAT KETAHANAN TERHADAP PENYAKIT BERCAK DAUN HITAM PADA KACANG TANAH Yudiwanti, ,; Sastrosumarjo, S.; Hadi, S.; Karama, S.; Surkati, A.; Mattjik, A. A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 1 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

A field evaluation was conducted to study the genotypic correlation between yield potentials and resistance level to the late leafspot of peanut. The experiment was carried out at Muara experimental-field from October 1994 to January 1995 using 100 genotypes with natural late leafspot inoculation. The result showed that the resistance level to late leafspot, wish was quantitatively reflected by the fresh-leaves percentage has negative genotypic correlation with total and filled-pod numbe1: The negative genotypic correlation were also found between resistance level and the weight of total pod, filled pod, as kernel, although not significant.
PENGARUH TIPE HIBRID, BOBOT BENIH, DAN PENUTUPAN MULSA TERHADAP KECEPATAN DAN PERSENTASE DAYA BERKECAMBAH TIGA TIPE KELAPA HIBRID Herman, Maman; Pranowo, Dibyo; Luntungan, H. T.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 1 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Three types of coconut hybrid, namely Salak Dwarf (SKD) x Tenga Tall (TAT), Salak Dwarf x Sawarna Tall (SAT), and Salak Dwarf x Markamvalley Tall (MVT) were studied in Kotabumi, North Lampung, from July 1994 to March 1995 on Red Yellow Podzolid soil. This trial was conducted to determine the percentage of germination and speed of germination based on hybrid type, seed weight, and mulching. Split-split plot design consisted of three factors with three replications was used for this trial. The first factor as main plot was three levels of hybrid SKD x TAT, SKD x SAT, and SKD x MVT. The second factor as sub plot was three levels of seed weight less 500 g, 501-800 g, and more than 801 g. The third factor as sub-subplot consisting of four levels of mulching 0, 30, 60, and 100 percent. The results showed that SKD x SAT germinated faster than SKD x MVT and SKD x TAT. The germination percentage of SKD x MVT was higher compared to SKD x TAT, but similar to SKD x MVT The germination speed was not affected by seed weight, where the germinating percentage was nuts less than 501 g germinated better than those more than 501 g. Treatment of mulching not significant by influence growth rate of germination but significantly influence the percentage of seednut germination thirty percent of mulching gave the best percentage of seed nut germination.
Efficiency of Watering on Cacao Seedling Inoculated with Mycorrhiza Lucia, Yeni; Yahya, Sudirman; Fakuara, M. Yahya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 1 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The use of mycorrhiza-plantation crop association has not been widely applied, due to lack of information on the positive effect of the association on the tree crops. The plastic house study was established to evaluate the effect of inoculation of mycorrhiza fungi on the watering efficiency of cacao seeding. Four inoculation treatment of mycorrhiza fungi: without inoculant (control), endomycorrhiza (Gigaspora margarita), ectomycorrhiza (Scleroderma columnare) and double inoculant of both species, were combined on factorial arrangement with four rates of watering interval: once of every 1, 3, 5, and 7 days. Inoculation significantly improved seedling growth as shown by plant height, leaf area and dry shoot weight compared to control treatment. Double inoculation had the best result, followed by endomycorrhiza and ectomycorrhiza, consequtively. Inoculation also significantly increased watering efficiency on cacao nursery as many as 2 to 4 times compared to control and shortened the time of nursery period as long as one month.

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