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Marketing Practices and Value-Added Fish Product in East Indonesia
Sopian HIDAYAT,Isabelita M. PABUAYON,Umi MUAWANAH 한국유통과학회 2020 Asian Journal of Business Environment (AJBE) Vol.10 No.2
Purpose: This study assesses the marketing practices and value-added fish products under the Coral Reef Rehabilitation and Management Program (COREMAP) in East Indonesia. Research design, data and methodology: This study gathered qualitative and quantitative data through i) focus group discussions (FGD) with fishers, traders and COREMAP officers, ii) surveys and iii) interviews with fishermen and traders. This study surveyed 714 households (365 in COREMAP and 349 in non-COREMAP) and 33 traders (17 in COREMAP and 16 in non-COREMAP) using structured questionnaires between January and March 2016. This study used Shepherd’s Index to estimate the marketing efficiency for each stage of the marketing channel. For value-added fish products, the value is determined by the difference between processed output and the raw product used. Results: Marketing cost in the non-COREMAP area was more efficient than in COREMAP as indicated by lower operational cost and higher selling price. However, no value-added fish products were produced in the non-COREMAP area. This study noted a lower catch in COREMAP area, which implies COREMAP program successfully reduced fishing pressure. Conclusions: This study identified poor infrastructure and the limited market as the major problems in developing value-added fish products in both COREMAP and non-COREMAP area.
Mapping Quantitative Trait Loci Conferring Blast Resistance in Upland Indica Rice (Oryza sativa L.)
Puji Lestari,Masdiar Bustamam,Kurniawan Rudi Trijatmiko,Reflinur,Ahmad Warsun,Tasliah,Isabelita Ona,Casiana Vera Cruz 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.1
A genetic analysis of blast resistance in upland rice variety is very crucial. In this study, we performed a linkage mapping of quantitative trait loci (QTLs) for blast resistance using an advanced backcross population from a cross between Way Rarem (susceptible indica variety) and Oryzica Llanos 5 (durable resistant indica variety). A transgressive segregation was observed in the advanced backcross population of Way Rarem//Oryzica Llanos 5. A total of 16 QTLs have been identified along chromosomes 1, 3, 5, 6, 7, 8,9, and 11 against eight blast pathogen isolates. Each QTL accounted from 11.31 to 45.11% of the variation in blast resistance. Most QTLs showed race specificity, demonstrating the small effect of such QTLs. Unexpectedly, several superior blast resistance alleles were contributed by Way Rarem, the susceptible-recurrent parent. Among eight candidate defense response genes detected in several loci, a single gene (oxalate oxidase) present on chromosome 3 was found to be associated with blast resistance in upland indica rice. Ultimately, these advanced backcross lines with resistance to blast tagged by markers might be useful for pyramiding blast resistance alleles in upland rice.
Development of gene-specific markers for Phosphorus uptake 1(Pup1) and Pi-gene specific markers
Joong Hyoun Chin,Cheryl O. Dalid,Maria Ruby Burgos,Stephan Haefele,Matthias Wissuwa,Masdiar Bustamam,Yohei Koide,Ona Isabelita,Nobuya Kobayashi,Casiana Vera Cruz,Sigrid Heuer 한국육종학회 2010 한국육종학회 학술발표회 발표요지 Vol.42 No.1