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"Vol 14, No 2 (2011): Widyariset"
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<![CDATA[INDUCTION OF TRIPLOID SANDALWOOD PLANT (Santalum album L.) THROUGH ENDOSPERM CULTURE IN VITRO ]]>
<![CDATA[Lazarus Agus]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.393-398
<![CDATA[Sandalwood (Santalum album L.) is an over exploitation that causes the population decreases drastically. An experiment was carried out to get triploid plant by using young seed culture. Young seeds of sandalwood were peeled and grew on solid Murashige and Skoog (MS) media formulation with or without addition hormones of α-napthaleneacetic acid (NAA), 2,4 dichlorophenoxyacetic acid (2,4-D), 6-benzylaminopurine (BA) or kinetin.(K). The young seed did not form shoot, but its endosperm formed callus. The endosperm produced callus 26.67% on media with addition of BA 1 mg/l, but not on media without any addition of hormone. The best callus production was on media with addition of NAA 2 mg/l and BA 1 mg/l. The best somatic embryos formation was NAA 1 mg/l + BA 1 mg/l and shoot formation was 2,4-D 1 mg/l + K 1 mg/l treatments. The resulted shoots from endosperms are expected to be triploid plants.]]>
<![CDATA[GROWTH AND YIELD OF Eucalyptus grandis HILL EX MAIDEN AT AEK NAULI SIMALUNGUN NORTH SUMATRA ]]>
<![CDATA[Aswandi Aswandi]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.313-322
<![CDATA[Sustainable forest management need an effective yield regulation. This is depend on precision of growth and yield prediction on determination of rotation, harvesting intensity, thinning regime and another silviculture option. The objective of the study was to develop growth and yield model and defi ned optimum cutting rotation for Eucalyptus grandis Hill ex Maiden timber estate at Aek Nauli Simalungun North Sumatra. Current growth estimation and yield prediction models were studied using data from 15 permanent sampling plots. Data from annual measurement were used to formulate the models which include stand diameter and height function, basal area and stand volume function. Site quality was calculated using site index equation SI = H*{(1+10.03*e)/(1+10.03*e. This equation was developed based on relationship dominant height with stand age. Site index in that region have varies from 18.99 to 35.26. According on interception of curva Current Annual Increment (CAI) and Mean Annual Increment (MAI) were defi ned optimum cutting rotation at 6 year. Volume yield at this end rotation is 165,24 m -0.59*1/83/hawith MAI (Mean Annual Increment) 27,54 m /ha/yr. Yield prediction model were developed by regression analysis. The optimum of equations of mean of diameter, height, basal area and stand volume showed as follow: a. Stand dbh model : ln D = 0.743 + 0.363 ln A + 0.142 lnS + 0.313 ln B; b. Stand mean height model: lnH = - 0.206 + 0.247 lnA + 0.100 lnB + 0.822 lnS; c. Volume yield model : ln V = - 1.96 + 0.526 ln A + 0.548ln B + 1.38 ln S. Where D : dbh (cm), H: mean height (h), V : stand volume (m33 ha), A : age (yr), B: basal area (m), and S : site index. 2-1-0.59A]]>
<![CDATA[THE EFFECTIVENESS OF CHITOSAN TOXICITY TO CONTROL THERMITES (Coptotermes curvignathus HOLMGREN) AT RUBBER PLANT ]]>
<![CDATA[Zaida Fairuzah]]>;
<![CDATA[Aidi Daslin]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.439-446
<![CDATA[Thermite (Coptotermes curvignathus) is the destructive pest at rubber plantation especially rubber planta-tion which is ex of old plantation or forest with inaccurate land clearing. Chitosan known can control thermites by disturbing protozoa’s rules in digestion systems of thermites that causing thermites can not get the food yielded by protozoa. Effectiveness of Chitosan was known by directly testing chitosan to thermites with the pre eliminary test to get the range of effective concentration and way of effective application with 8 treatments in 4 concentration levels ( 0.1, 1, 10, and 100%) which is each concentration combined with two way of application (spraying and baiting) with 4 replications. Based to the result of pre eliminary test, 1% chitosan concentration determined as concentration standard of main test which consists of concentration test (0.1, 0.5, 1, and 2%) with the spraying application with 4 replications with control and termicide as comparitors. The same concentrations and compari-tors were also tested with the baiting application with 4 replications. Then, the test also done by combinating spraying and baiting application with same concentrations (0.1, 0.5, 1, and 2%) and compared with control and termiticides that replicated 3 times. The percentage of thermites mortality was observed every two days until the 4th day after application. The result showed that the combination treatment between concentration and way of application of chitosan showed that the most effective concentration to kill the thermites is 2% baiting application with the mortality percentage of thermites reaches 54.78% at the 4th day after application]]>
<![CDATA[DISTRIBUTION OF Salmonella SEROTYPE FROM SLAUGHTERHOUSE (RPH) AND CHICKEN ABATTOIR (TPA) IN BOGOR ]]>
<![CDATA[Widodo Suwito]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.361-366
<![CDATA[Salmonella serotypes are found at the slaughterhouse (RPH) and chicken abattoir (TPA). The aim of these re-search was to determination the distribution of Salmonella serotypes from the RPH and TPA. Total of 267 samples were to collected from RPH and TPA in Bogor. These samples consisted of 98 carcass, 16 fl oors swab, 8 knife swab, 1 table swab, 13 tub water, 4 waste water, 37 mesenteric glands, 50 caecum, 38 faeces, and 2 chicken nuggets were analyzed for Sallmonella contents using biochemical reaction and serology. The research showed that RPH and TPA in Bogor were contaminated by Salmonella enteritidis, Salmonella schwarzengrund, Salmonella weltevreden,and Salmonella typhimurium. The distribution Salmonella serotype from RPH and TPA in Bogor occurred in the caecum, mesentery glands and carcass.]]>
<![CDATA[LINKAGE BETWEEN THE USE OF HIRED LABOR AND THE AMOUNT OF ESTICIDE APPLICATION AMONG TANGERINE FARMERS IN THAILAND: A LESSON FOR INDONESIA ]]>
<![CDATA[Evi Irawan]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.275-284
<![CDATA[Labor is often neglected in the studies of adoption of agricultural innovation even though it may hinder or facilitate the adoption. This research is to analyze the linkage between the use of hired labor and the amount of pesticides application based on a survey data of 160 tangerine farmers in Thailand. The result shows that there is a positive signifi cant linkage between the use of hired labor and the amount of pesticide application. Main policy implication of this fi nding, especially in the Indonesian context, is that the target of integrated pest management extension or farmers fi eld class should be broadened to include farmers as well as hired laborers.]]>
<![CDATA[ORGANIC AND ANORGANIC TECHNIQUE OF FERTILIZATION TO INCREASE OF PALU’S SHALLOT PRODUCTIVITY ]]>
<![CDATA[Ruslan Boy]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.407-414
<![CDATA[Palu’s shallot is commercial crops. The productivity of Palu’s shallot is still a lower compared to that in regional crop which was achieved of 6,1 t/ha. In addition, this production is still lower compared to the national productivity (20 t/ha). This research was aimed to study the application of organic and inorganic fertilizers in the productivity of Palu’s shallot. The study was arranged in a randomized block design with 5 treatments and 4 replications. This study was performed on farm of fearmer’s land at Guntarano village of Tanatovea sub-district of Donggala district. The treatment consisted of ZA 100 kg/ha + NPK (P0), compost of cow excrement 10 t/ha (P1), compost of chickeent excrement 5 t/ha (P2), compost of goat manure 5 t/ha (P3), compost of cow excrement 5 t/ha + ZA 50 kg/ha. Result indicated that all treatments showed not signifi cant on vegetative growth of local Palu’s shallot. However, there was a signifi cant effect among the fertilizer treatments on increasing of Palu’s shallot productivity. It was found that the weight of wet tuber showed higher than in P4 (14.42 t/ha) and in P2 (10.90 t/ha).]]>
<![CDATA[IDENTIFICATION AND COMPOSITION OF FEEDING PLANTSPECIES OF SIMAKOBU MONKEYS (Simias concolor) IN NORTHERN SIBERUT, MENTAWAI ARCHIPELAGO ]]>
<![CDATA[Nurul Silva Lestari]]>;
<![CDATA[wendy Erb]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.323-332
<![CDATA[The availability of food resources is one of habitat components that support simakobu conservation. This study was aimed to identify the species and composition of feeding plants and habitat structures of simakobu. Habituation of simakobu was conducted in prior to the study. Afterwards it was performed to collect the data on species and composition of feeding plants of simakobu using ad libitum methods. Determination of the structure and composition of vegetation on simakobu habitat, vegetation analysis was done by establishing plot measuring all long 100 m for 15 plots. Result showed that amount of 116 plant species was eaten by simakobu. Katatairek (Bhesa paniculata), logauna (Knema sumatrana) and ungla (Aporosa symplocoides) were species that its parts were most widely used as food source of simakobu. Young leaves, leaf bud, fl ower and fruit parts of those speciesare eaten by simakobu. This study suggests that the dominant plant species on the simakobu habitat is Logauna (Knema sumatrana).]]>
<![CDATA[PERFORMANCE OF TECHNOLOGY COMPONENT FOR CATTLE AS DETERMINANT FOR ACCELERATING INNOVATION ADOPTION TO SUPPORT “PSDS 2014” PROGRAMME IN EAST JAVA ]]>
<![CDATA[Vyta W. Hanifah]]>;
<![CDATA[R. Hendayana]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.446-454
<![CDATA[The study was assessing the performance of cattle component of technology as determinant for accelerating innovation adoption to support “PSDS 2014” programme in East Java. The assessments were conducted in three districts in East Java Province, which were Blitar, Kediri, and Lamongan. The fi fteen respondents were selected by purposive random sampling representing adopter of component technology. Data collected were characteristics of farmers and farming system, distance from source of information, and also supporting data from local govern-ment. The data were analyzed by qualitative descriptive, with Structure Conduct Performance approach. The results showed that technology performance has effects in accelerating adoption of technology components which are infl uenced by some factors, i.e. farming system characteristics, educational level and accessibility to source of technology information. Accessibility is the most important factor that defi nes how farmers receive information about new technology.]]>
<![CDATA[SUSTAIBILITY OF TURTLE HARVESTING Cuora amboinensis DAUDIN 1802 (TESTUDINES: GEOMYDIDAE) IN EXPLOITED AREA, EAST BORNEO ]]>
<![CDATA[Nuryani Widagti]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.367-374
<![CDATA[Research on harvesting of a freshwater turtle (Cuora amboinensis) in Kota Bangun Sub district was conducted in June till August 2006. The research aims to estimate the number of harvesting, to describe trading mechanism, and to make Non-Detriment Finding (NDF) of C. amboinensis in Kota Bangun Sub district. Method used was harvest survey and interview. During the study, a total of 1,388 individuals were collected, comprising 46.97% adult females, 48.7% adult males, and 4.32% juveniles. It indicated that larger individuals of C. amboinensis are preferably collected for trade in study site. Base on the number of middlemen, the average of harvest-yield in Kota Bangun Sub district and its surroundings are about 622 individuals/month. There are four levels of trade structure in Kota Bangun Sub district, i.e trappers, collectors, middlemen, and exporter.]]>
<![CDATA[ADAPTATION OF FIFTY GENOTYPE GOGO RICE ON THREE ENVIRONMENTAL ULTISOL SOIL ACIDITY ]]>
<![CDATA[Agus Subekti]]>
<![CDATA[ Widyariset Vol 14, No 2 (2011): Widyariset ]]>
Publisher : <![CDATA[Pusbindiklat - LIPI ]]>
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DOI: 10.14203/widyariset.14.2.2011.285-294
<![CDATA[Adaptation genotype upland rice at three environment acidity soil of Ultisol have been done in Toho West Kalimantan. This research consist of three acidity environment: environment of pH 4.5 ( without lime), environmental of pH 5.0 ( lime with dose 1 x Al-dd), and environment of pH 5.5 ( lime with dose 1.5 x Al-dd). Each environment arranged in Randomized Block Designs (RBD) with treatment fifty genotype which repeated twice. Result of research indicated that genotypes which is good to be planted at environment of pH 4.5 ( without lime) are: Gajah Mungkur, IR 53234, PR 36, IR 60080 , S-4325-D-1-2-3-1, BP 1153 C-9-60, and BP 720 C-5-Si-60. There are correlation of phenotypic and genotypic indirectional between absorption of P, panicle length, number of fill grain per panicle, and 1.000 fill grain weight with grain weight per clump.]]>
