1,720,974 research outputs found
ANALISIS VARIABILITAS GENETIK DAN KOEFISIEN LINTAS BERBAGAI KARAKTER AGRONOMI DAN FISIOLOGI TERHADAP HASIL BIJI DARI KERAGAMAN GENETIK 54 ASESI JAGUNG ASAL INDONESIA TIMUR
No full textThe experiment was conducted to evaluate genetic variability, heritability, genetic gain, genetic and phenotypic correlation using path-coefficient analysis for some agronomic and physiology characters of 54 accessions of maize from East Indonesia. The experiment was arranged in a randomized completely block design with tree replications using 54 accesions. Characters observed were plant high/TTM, number of leaves/JDT, number of leaves above ear/JDA, Length of branches part of tassel/PTM, length of peduncle/PMA, length of ear/PTO, diameter of ear/DTO, number of kernel rows per ear/JBT, flowering time of male flower/UBJ, flowering time of female flower/UBB, maturity time/UMT, seed size/UBJ, leaf area index/ILD, and seed yield/BBJ. The result of the experiment indicated that genetic variability, broadsense heritability and genetic gain for all agronomic and phisiology characters were high. Maize seed yield improvement can be effectively done by selecting for number of leaves, maturity time and seed size. Keywords: Genetic variability, heritability, correlation, path-coefficient analysi
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
MIKROPROPAGASI PISANG MAS KIRANA (Musa acuminata L) MEMANFAATKAN BAP DAN NAA SECARA IN-VITRO
No full textThe aim of this research was to study the effects of cytokinine and auxin (BAP and NAA) on micropropagation of banana cv Mas Kirana (AA). The experiment used completely randomized design, with a single factor of multiplication media, consisted of 4 media i.e. MS + BAP 4 ppm, MS + BA 6 ppm, MS + BAP 4 ppm + NAA 0,1 ppm, MS + BA 6 ppm + 0.1 ppm. The experiment treatment of BAP 4 ppm produced the highest shoot number (100% small bud). The best shoot of Mas Kirana morphogenesis produced when the shoots sub-cultured in media MS0. The treatment 4 ppm BAP after sub-cultured at MS0 produced big plantlet ready to acclimatization for up to 43% (9 plantlets). Key words: BAP, NAA, morphogenesis, big plantle
EKSPLORASI KERAGAMAN GENETIK TANAMAN JAHE LOKAL SULAWESI TENGGARA DAN UPAYA PEMANFAATANNYA DALAM PROGRAM PEMULIAAN
No full textGinger (Zingiber officinale Rosc.) is one of the spices and medicinal plants which has many benefits and usefulness. Currently ginger production in Indonesia is still very low, du e to limited sources of genes possessed by plant breeders (narrow genetic stock), therefore it is necessary to obtain new genetic diversity. The purpose of this study was to conduct exploration activities to collect local ginger germplasm in Southeast Sulawesi to get information in the form of (a) genetic diversity of accessions, (b) determination that can be used to identify germplasm genetic diversity of ginger of Southeast Sulawesi, (c) description of the collected ginger types, for the benefit of ginger crop improvement through breeding programs. This study began with exploration activities, then planting accessions for collection and conservation which will be utilized in various ginger breeding programs. The results of exploration obtained as many as 18 accessions from Kendari, Konawe, Bombana, Muna and Buton regencies. Results of the collection of some areas of Southeast Sulawesi showed that ginger genetic diversity was quite high, seen from the morphological appearances of the rhizome. Based on the size, shape and color of the rhizome, the ginger accessions of Southeast Sulawesi can be classified into three major groups, i.e. large white/yellow ginger, small white/yellow ginger, and red ginger. White ginger was large and more attractive than red ginger, but less spicy aroma due to its low essential oil content, and less disease resistant, but high productivity. Keywords: ginger, Zingiber officinale, genetic diversit
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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