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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 5 Documents
 1 
Search results for , issue " Vol 4, No 4 (1998)" : 5 Documents clear
STUDI BUDIDAYA JAMUR Lactarius sp. DI WAMENA, IRIAN JAYA Latupapua, HID; Subowo, YB
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.192 KB) | DOI: 10.14203/beritabiologi.v4i4.1272

Abstract

Research on the cultivated of mushroom of Lactarius gp.had been conducted in Wamena,Jayawijaya district of Irian Jay a. There were 6 kinds of media which consisted of 2 kinds of sawdust wood (Nothofaeus sp.and Paraserianthes falcataria).Each sawdust wood added in 3 level of nutrition (0%, 50% and 100%).The experimental design which had been used was factorial which arranged with completely randomized design by using 10 replications.The result showed that the micellia had grown on all of media.However,the fruiting body formation occured on the media which made of P.falcataria sawdust added in 0%; 50% and 100% nutrition and on the Nothofagus sp sawdust added in 100% nutrition.The highest yield of fruiting body had been showed on P. falcataria sawdust medium added in 100% nutrition.
PENGARUH BOBOT DAN KOMPOSISI MEDIA, RANGSANGAN SUHU DAN KIMIAWI TERHADAP PEMBENTUKAN TUBUH BUAH JAMUR SHIITAKE {LenHnus edodes [The Effect of Weight and Composition of Media, Temperatures and Chemically Stimulation on Fruiting Body Formation of Shiitake] Subowo, YB; Latupapua, HJD
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i4.1268

Abstract

Research on the effect of weight and composition of media, temperature and chemically stimulation on fruiting body formation of shiitake (Lentinus edodes) had been done in Wamena, Jayawijaya district, Irian Jay a. The research consisted of three experiments. The first experiment consisted of 3 kinds of media such as media A, B and C(A- sawdust and 100% standard nutrition; B = sawdust and 50% standard nutrition; and C = sawdust without nutrition) and three kinds of temperatures were 20°C (room temperature),4°C (refrigerator temperature) and -10°C(freezer temperature).The second experiment used 4 kinds of media. They were media D, E, F and G which were stimulated by SnCh, CoCh, salicilic acid and the extract of bark of "Seno" (Castanopsis acuminatissima).The third experiment used medium B, weight 500 g and 1000 g (medium H and I).The result showed that medium H& I produced the highest fruiting body. However medium I produced the higher fruiting body compare to medium H).The added of the extract of the bark of C. acuminatissima.SnCh, CoCh and salicilic acid stimulated the fruiting body formation.
KAJIAN KARAKTERISTK GENETIK RUSA TIMOR (Cervus timorensis timorensis Blanville, 1822) ( Study on Characteristic of Genetic of the Timor Deer (Cervus timorensis timorensis) Zein, M Syamsul Arifin; Surjobroto, Bambang; Solihin, Dedy D; Prijono, Siti N
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (599.854 KB) | DOI: 10.14203/bb.v4i4.1261

Abstract

A study on characteristic of genetic of the Timor deer (Cervus timorensis timorensis)was conducted during the periode of June - November 1997.Twenty four blood samples from Timor, Semau, Pantar, and Alor Island,Nusa Tenggara Timur Province were examined for this study.Restriction site analysis of part of ribosomeRNA mitochondrial DNA (447 bp),using restriction endonucleasis Haelll and Mbol showed that there were two haplotype variation.
SELEKSIBIAK Aspergillus spp. PENGHASIL AMILASE UNTUK PEMBUATAN PROTEIN SEL TUNGGAL DARITEPUNG GANYONG (Canna edulis Kerr.)Screening of Aspergillus spp. Strains Producing Amylases To Be Used As Inoculant In Single Cell Protein Production From Ganyong (Canna edulis Kerr.) Starch Naiola, Elidar
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.184 KB) | DOI: 10.14203/beritabiologi.v4i4.1266

Abstract

Two strains of fungi were used as innculant to produce Single Cell Protein (SCP) using the ganyong (Canna edulis Kerr.)starch as carbohydrate sources. Those two strains were Aspereillus nieer and A.clavatus identified as amylolytic fungi wich produce hight clear zone to colony diameter ratio in medium containing soluble starch with Iodium test.At the suitable interval time (0, 24, 48, 72 and 96 hours) the dry cell weight or biomass, pH and reducing sugar concentration in the medium containing ganyong starch was determined.It was found that maximum amount of reducing sugar concentration was hisher in A. clavatus (8.5 e/l) compared to A. nieer (4,5 g/l), were produced after 24 hours.The maximum amount of biomass produced by A. nieer was 8,5 g/l after 48 hr, while by A clavatus was 7,25g/l after 96 hr.
BIOLOGI PERBUNGAAN JAHE MERAH ( ZINGIBER OFFICINALE ROSC. VAR. RUBRA [ Floral Biology of Red Ginger (Zingiber officinale Rose. var. rubra) Rachman, Erlin
BERITA BIOLOGI Vol 4, No 4 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (420.374 KB) | DOI: 10.14203/beritabiologi.v4i4.1267

Abstract

A study on floral biology of red ginger (Zingiber officinale var. rubra) was conducted to approach the floral characters and natural obstacles affecting their sexual reproduction. In vivo observation was directly carried out at Treub Laboratory, The R & D Center for Biology, LIPI, mainly on final development aspects of flower: flowering process, anthesis periodicity and pattern,and pollen fertility. The results showed that commonly there was one of more than 20 spikelets in a spike anthesized perday. Final development stage began to be distinguishable from 6.00 or 7.00 am of anthesis day. Anthesis was always begin after 02.00 pm where the earliest was occurred at 02.04 while the latest was 02.55 pm and consist at least of three stages as is initiation, half and full anthesis.The initiation stage was remarkable by calyx breakage,divided into two types of breakage: -type A (directly break, 58.33%) and -type B (indirectly break, 41.67%).The type B group tend to haa shorter duration of anthesis than type A.Generally this variety of ginger has some negative floral characters base on fertility and fruit or seed setting ability such as very low in anthesis frequency, relatively snort duration of anthesis and inefficient stigma anther locality.In other side, this variety also has positive characters of flower such as enough pollen fertility (32 - 45%), low level in flower abortion and never closing flower even at the of the anthesis process

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