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PENGUJIAN BEBERAPA BIAK RHIZOBIUM SEBAGAI INOKULAN DAN PENGARUHNYA TERHADAP PERTUMBUHAN ALBIZIA CHINENSIS DAN A. LEBBECK
RAHAJU, S.H.;
LATUPAPUA, H.J.D.;
ABDULKADIR, S.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1377
S.H. RAHAJU, H.J.D. LATUPAPUA & S.ABDULKADIR. 1987.The evaluation of some Rhizobium strains as the inoculants and then effects on the growth of Albizia chinensis and A. lebbeck. Suppl. Berita Biologi 3 : 38 - 44. A study was conducted to evaluate some Rhizobium strains on the growth of A. chinensis and A. lebbeck and used them as the inoculants. Three experiments were carried out under the green house conditions, the 0.5 gallon plastic pots were filled with sterile sand as the medium. The experimental design was carried out Completely Randomized Design with five replicates. The first and second experiments were implemented on A chinensis which were consisted of 10 and 7 Rhizobium strains respectively, whilst the third experiment was implemented on A. lebbeck by using 18 Rhizobium strains. Each experiment was lasted in three months. The parameters of investigation were dry weight of total plants, the plant parts above the medium surface, the plant parts under the medium surface, the roots and the nodules respectively, also was counted the symbiotic capacity. The results showed that all inoculated plants produced nodules except the plants that were inoculated with Rhizobium sttains Cg and Ri. The best inoculant was strain number 34 which implemented on A chinensis and A lebbeck.
SERANGGA HAMA PENGGEREK BATANG ALBIZIA FALCATARIA (L.) FOSB. DAN VARIASI TIPE SERANGANNYA
UBAIDILLAH, R.;
AMIR, M.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1382
R. UBAIDILLAH & M. AMIR. 1987. The Stem Borer Insects Pest on Albizia talcataria (L.) FOSB.and its Variation of tvoe of the Damage. Suppl. Berita Biologi. 3 : 66 - 69. .The stem borer insect of Albizia falcataria causes not only damage of the trunk, but also reduce the quality of the wood.Control of the insects borer using silviculture method require knowledges about its nature, behaviour and other ecological factor.The study of damage to Albizia stand by insects borer was carried out at the Albizia plantation, Rancamaya, Bogor.Observation were made on the group stands of 2 - 3; 6 - 7 and 9-10 years old respectively.The results indicate the Albizia stand are attacked by two species of insect borer, namely Xystrocera festiva Pasc.(Coleoptera : Cerambycidae) and Arbela tetraonis Moore. (Lepidoptera : Arbelidae).X festiva attacked stands of all group categories, while A. tetraonis attacked only the young stands or the branches of old stands. The damage caused by X. festra is up to 20% of the period 8-10 years, while A tetraonis caused damage up to 30% of the same class.
PENGARUH PERENDAMAN LARUTAN ETHREL TERHADAP KECEPATAN MASAK DAN KUALITAS BUAH PISANG AMBON (MUSA PARADISIACA LINN.)
SETYOWATI, N.;
INDARTO, INDARTO
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1373
N. SETYOWATMNDARTO,1987.The effect of dipping in Ethrel solution on ripening rate and quality of pisang Ambon (Musa paradisiaca LINN) fruits. Suppl.Berita Biologi 3 : 20 - 25.The solution of ethrel for dipping were 750 pprn, 1000 ppm and it were dipped for 2, 4, 8 minutes and control (untreated).The results showed that the treatment accelerated the ripening of pisang Ambon faster 9-1 1 days than control.These werehighly significant difference according to Duncan's multiple range test, P = 1%.The observation indicated that the colour changes,firmness and vitamin C contents did not significanly difference compared to control on every stage of the ripening So that to accelerate ripening of pisang Ambon was recommended to use 750 ppm ethrel solution for 2 minutes.
PERBANDINGAN VEGETASI TUMBUHAN BAWAH DI BAWAH EMPAT JENIS TEGAKAN HUTAN TANAMAN DI CANDIKUNING, BALI
SIREGAR, MUSTAID
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1378
MUSTAID SIREGAR. 1987.The comparison of ground vegetation under four forest plantations in Candikuning, Bali. Suppl. BeritaBiologi. 3: 45-50.The ground vegetation under four forest plantations of different species in Candikuning (Altingia excelsa, Manglietia glauca, Agathis dammara, Pinus merkusiij have been investigated by using quadrat method. The results showed that the highest index of similarity was 53,06% between A. dammara and P. merkusii plantations, and the lowest index of similarity was 18,21% between A. excelsa and P. merkusii plantations. The species composition and community stability of these ground vegetations under "each plantation differed. The community of ground vegetation under A.excelsa plantation was more diverse and stable than the others. The ground vegetation under M. glauca, A.dammara and P.merkusii plantations were dominated by herbs, while under A. excelsa plantation were dominated by seedling of trees, that originated from A. excelsa stand and others surrounding tree species.
PENGUJIAN INOKULUM NASI BUBUK DI LAPANGAN
SASTRAATMADJA, DUDI D.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1369
D.D. SASTRAATMADJA, 1987. Testing of rice meal inoculum in the fields Suppl.Berita Biologi 3:1-5.With the aim of testing and using of inoculum by users, studies of the using of inoculum rice powder for oncom production have been carried out.The experiment utilized different kinds of inoculum which contained some strains of Neurospora spp., Mucor spp.,and Rhizopus spp.have been done at several places of oncom producers in Bandung and Bogor.The quality of products were evaluated by analyzing of organoleptic test, texture and growth of mold comparing with local oncom. The results obtained in the experimentshowed that product made by using one strain of Neurospora spp., more liked moderately and having good mold growth, finely conpact and soft texture comparing with the other products and local red oncom in Bandung and Bogor.Besides that all of the strains of Mucur spp., produced good quality of oncom comparing with local black oncom.But all of the strains of Rhizopus spp., did not capable making good quality cf oncom. About the utilizingof powder inoculum by users in general must be fuether more investigated.
PEMBUATAN RAGI DENGAN MENGGUNAKAN BEBERAPA MACAM TEPUNG SEBAGAI PEMBAWA(CARRIER)
ELIDAR, ELIDAR
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1379
ELIDAR.1987.The preparation of inoculum by using various flour as subtrates or carriers Suppl. Berita Biologi. 3: 51:55. for 2 mold and 2 yest strains,the rice,glutinous rice and tapioca wates flour colud be used as a substrate better then others flour.The survival of the inoculated microorganisms in the rice,glutinous rice and tapioca waste inoculums were not significantly difference.The viable spore count in those three inoculums decreased due to th duration of storage The viability of the spores count were 104- 106 propagule/g in the early storage and then it descreased 104 propagule/g after 3 months storage
VEGETASI DAN KEADAAN TANAH HUTAN LELOFUI GUNUNG MUTIS, SOE-NTT
SIMBOLON, H.;
SUKENDAR, SUKENDAR
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1370
H. SIMBOLON & SUKENDAR. 1987. Vegetation and soil conditions of forest in Lelofui, Mount Mutis, Soe, East Nusa Tenggara. Suppl. Berita Biologi 3 : 6 - 10.Research on vegetation and soil conditions of forest in Lelofui, Mount Mutis, Soe East Nusa Tenggara has been done. The density of trees were 358 per nectar; height of canopies ranged between 25 m and 35 m with Eucalyptus urophylla as a dominance species.The relative basal area of E. urophylla was 72,82% which was greater than total basal area of remaining species.The others important species were Podocarpus imbricates, Ilex odorata and Acer niveum.The density of saplings were 708 per hectar.The dominant species of this sapling was Daphniphyllum laurinum with the relative basal area of 69,93% The height of sapling species were less then 10 m. The other important species of saplings were Scutellaria discolor and Acer niveum.The plot consisted of 17 species of trees and 9 species of saplings.This species composition was very small comparing to other tropical rain forests elsewhere.This small number of species composition is suggested not directly correlated with a soil fertility.Soil analisis form the plot showed that its properties was not so distinct from other tropical rain forest soil conditions.
PENYERBUKAN PADA RAMBUTAN (NEPHEUUM LAPPACEUM L. VAR. LAPPACEUM)
UJI, TAHAN
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1375
TAHAN UJI.1987.Pollination in Nephelium lappaceum L. var.lappaceum. Suppl.Berita Biologi. 3 : 31 - 34.Inflorescence morphology,flowering biology and insect visitors of rambutan (Nephelium lappaceum L. var.lappaceum) were observed in Semboja, East Kalimantan.Rambutan is dioeceous plant and cross pollinated by insect.It was showed that in isolated inflorescence failed to produce fruits.Six species of bees i.e. Apisindica,Trigone itama,T. nitidiventris. T. canifronsT.irridipenis and T.atripes are potential for their pollinators.
PENGARUH PEMBERIAN BERBAGAI TINGKAT BIJI PHASEOLUS LUNATUS DALAM RANSUM TERHADAP PERTUMBUHAN ANAK AYAM KAMPUNG.
HANDINI, SRI;
WALUYO, SRI PARYANTI
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1380
S. HANDINI & S.P. WALUYO. 1987. Effect of level of Phaseolus lunatus seeds in the ration on the native chicken growth. Suppl. Berita Biologi 3 : 56- 60- The aims of this study was to obtain the level of Phaseolus lunatus to be given in the chicken ration without affecting their growth As many as 18 D.O.C. native chickens were used in this experiment. The experiment was based on Completely Randomized Design. The level of P. lunatus used in the ration as the treatment were : RK (Q%P. lunatus-?& the control ration); R I (5% P. lunatus); R II (10%/>.lunatus); R III (15% P.lunatus) and R IV (20% P. lunatus). Data obtained were analyzed using Analysis of Variance; and the Honestly Significants Different (HSD) and Duncan test were used to test the differences.The resul showed that the treatment had high significan effect on testes weight (P< 0,01); and a significants effect on body weight gain (P 0,05) to the feed conversions, water consumption and total amount of faece blood, volume and the head, tarsus, oesophagus and drum stick weights.
PENGARUH KMNO4 TERHADAP SIFAT FISIK DAN KANDUNGAN KIMIA SELAMA PEMASAKAN BUAH PISANG AMBON
PANGGABEAN, G.;
ROCHAENI, H.;
VIVANINGDIAH, I.;
CITROREKSOKO, P.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences
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DOI: 10.14203/beritabiologi.v3i7.1371
G. PANGGABEAN, H. ROCHAENI, I. VIVANINGDIAH & P. CITROREKSOKO. 1987. The effect of KM11O4 on physical and chemical consituents during the ripening of "pisang ambon" Suppl. Berita Biologi 3 : 11 - 16.The experiments were conducted in order to study the effect of potassium permanganate (KMnO) on the physical characteristic and biochemical constituents of the pisang Ambon at difference stage of maturity such as 70, 80 and 90 days. The concentrations of the KMnO4 were 0, 75, 100 and 125 ppm.The parameters of the physical characteristic were the colour,moisture content and the firmness of the fruits.While the biochemical constituents were the reducing sugar, caroten and the vitamin C content.The results of the treatment indicated that the colour, moisture content and firmness almost similar to the fruits as the control. The reducing sugar fruits of the age 70 days with the treatment of KMnO4 75 ppm was higher than that of the fruits of the age 80 and 90 days.However, all the fruits which were treated with KMnO4 had no affect on the caroten content.Meanwhile,the vitamin C content of the treated fruits were lower than that of the fruits without treatment.The pH of ripening fruits were not significantly difference between treated and untreated fruits.