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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 32 Documents
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Search results for , issue "Vol 4, No 5 (1999)" : 32 Documents clear
AKTIVITAS ENZIM 2,4-D MONOOKSIGENASE DARI BERBAGAI MIKROBA Nunik Sulistinah
BERITA BIOLOGI Vol 4, No 5 (1999)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i5.1242

Abstract

Nine cultures both from fungi and bacteria have been selected for testing their 2,4-D monooxygenase activity to degrade 2,4-Dtohlorophenoxyacetic acid (2,4-D). The results showed that all the cultures which were tested grows at 1000 ppm 2,4-D. Three cultures (Trichoderma viride. Asperoillus niqer and Isolat E (unidentified)) of the nine cultures are able to grow at 4000 ppm. T. viride grows well on Minimal Basal Media which contained glucose and 2000 ppm 2,4-D and produced the highest biomass (0.8660 g/l) than the others. The biomass of T. viride grew on MBM (without glucose) and added with 2000 ppm 2,4-D is 0,6520g/l. This indicated that the culture is tolerant to 2,4-D and able to use 2,4-D compound as energy and carbon sources for its growth. But we failed to prove the 2,4-D monooxygenase activity of supernatant of T. viride by measuring the changing of pH-value in the 2,4-D breakdown reaction.
RESPON PERTUMBUHAN TANAMAN KACANG HIJAU VARIETAS WALET TERHADAP PEMBERIAN INOKULAN RfflZOBIUM DAN MIKORIZA DI LAHAN MASAM Subadri Abdulkadir
BERITA BIOLOGI Vol 4, No 5 (1999)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i5.1247

Abstract

The study on the growth response of mungbean Walet variety inoculated by Rhizobium and VA-Mycormiza inoculant carried out done at UPT-BBOK-UPI, Bergen, Lampung, using Competely Randomized Block Design. Five treatments by using Rhizobium, 5 treatments by using mixed Rhizobium and Myco.rrhiza, 1 treatment by using Mycorrhiza. The plant, without inoculated and without fertilized, the plants without inoculated but fertilized by using urea, the plants without inoculated but fertilized by using TSP, and the plants without inoculated but fertilized by using urea and TSP as control. Each treatment has 3 replications. The height and the weight of the plants, the weight of nodules had been weighted after 30 days planting. The result of the research showed that the plants by giving inoculant better growth compare to the plants without inoculated and fertilized. The weight of plants and root is compered which the plants by giving Rhizobium and Mycorrhiza to the plants without inoculated and fertilized was not significant. However, in the height and the wight of nodules of some treatments were significant to the control.

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