80 research outputs found

    Qualitative and organoleptic evaluation of immature cashew kernels under storage

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    Cashew cultivars, based on flowering behaviour, are categorized into three types, viz., early season, mid-season and late season. In late season type, the harvesting of cashew nuts coincides with the rainy season during which the quality of matured nuts are affected by increased pest and disease attack. This loss can be reduced if the nuts are harvested before it reaches its complete maturity. In this context, present study was conducted in immature cashew kernel to find out suitable storage treatments to enhance the shelf life. Immature cashew kernels were stored in different concentrations of brine solution (5%, 10% and 15%), sugar syrup (50°B, 60°B and 70°B) and by drying in hot air oven until the moisture content of kernel reaches 2-3 per cent. Storage period was for four months and the observations like tannin content, microbial content and organoleptic qualities of kernels stored in each treatment were analysed at the beginning and at the end of the storage. The treatment with 10% brine and 70°B sugar syrup for four months were found as best for storing immature cashew kernels

    Entomopathogenic fungi – Potential candidates for biocontrol of Helopeltis antonii Signoret in cashew

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    Evaluation of fungal entomopathogens, viz., Beauveria bassiana, Metarhizium anisopliae and Lecanicillium lecanii against tea mosquito bug (Helopeltis antonii Signoret), an insect pest of cashew revealed that these fungi are pathogenic to H. antonii. Mortality of H. antonii commenced after three days of inoculation, increased gradually with time and became evident at fifth day with 82.5 per cent, 85 per cent and 65 per cent respectively with B. bassiana, M. anisopliae and L. lecanii @109 spores mL-1. B. bassiana and M. anisopliae shown complete mortality at sixth day, whereas mortality rate with L. lecanii was 85 per cent. A field experiment was conducted in randomized block design for two consecutive years with these three entomopathogenic fungi @108 spores mL-1. Two rounds of spray were given by targeting flowering and nut set stage in the first year, instead of the routine three spray schedule on flushing, flowering and nut set; while routine three sprays were given in the second year. In the first year of field evaluation, least damage was observed in Kerala Agricultural University package of practices (KAU POP) with quinalphos, targeting both flowering and nut set stage. However, both B. bassiana and L. lecanii also recorded less tea mosquito bug damage and were comparable with KAU POP. In the second year, B. bassiana was on par with KAU POP and L. lecanii was superior to control. Highest nut yield was recorded in trees treated with B. bassiana followed by KAU POP

    History of Indian Journal of Fisheries in a Science Communication Perspective

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    Scientific journals are the most prominent channels to communicate research findings. In academic publishing, a scientific journal is a periodical publication intended to further progress science, usually by reporting new research findings. These journals publish articles after a peer review process, in order to confirm scientific validity of the content and also to ensure that the articles meet the journal's standard. When research ouputs are published in scholarly journals, the new findings are shared with a larger peer group. It serves as the main gateway for rapid reach of the outputs of scientific investigations to the intended audience in a well-edited version

    5th International Symposium on Cage Aquaculture in Asia Programme Guide

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    The 5th International Symposium on Cage Aquaculture in Asia (CAA5) is being organised by the Asian Fisheries Society and the ICAR-Central Marine Fisheries Research Institute (CMFRI), in association with the Asian Fisheries Society Indian Branch, from the 25th to 28th of November 2015 at Kochi, India. The event will cover an array of topics related to cage culture under the broad headings of Marine Production Systems, Inland Production Systems, Breeding and Seed Production, Nutrition and Feed, Health and Environment Management and Economics, Livelihood and Policies

    5th International Symposium on Cage Aquaculture in Asia Book of Abstracts

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    The 5th International Symposium on Cage Aquaculture in Asia (CAA5) is being organised by the Asian Fisheries Society and the ICAR-Central Marine Fisheries Research Institute (CMFRI), in association with the Asian Fisheries Society Indian Branch, from the 25th to 28th of November 2015 at Kochi, India. The event will cover an array of topics related to cage culture under the broad headings of Marine Production Systems, Inland Production Systems, Breeding and Seed Production, Nutrition and Feed, Health and Environment Management and Economics, Livelihood and Policies

    Tribenzopentaphene derivatives with lateral aromatic groups: the effect of the nature and position of substituents on emission properties

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    Nine new derivatives of the trapezoidal tribenzopentaphene (TBP) polycyclic aromatic hydrocarbon (PAH) were synthesized via the Suzuki–Miyaura palladium catalyzed cross-coupling reaction. The novel TBP derivatives, which bear various rigid and flexible aromatic groups either at their more accessible (R1) or congested (R2) bases, were fully characterized using high resolution mass spectrometry (HR-MS), nuclear magnetic resonance (NMR), UV-Vis absorption and emission spectroscopy. Our investigation reveals that extended conjugation between TBP and the aromatic side groups is possible when the latter are carefully selected and attached at the TBP wide base (R1), which causes an emission red-shift of the resulting target compounds. On the other hand, emission properties and density functional calculations suggest that attaching side groups at the sterically demanding base position (R2) induces a pronounced distortion from the planarity of the TBP central core structure

    Observations on selected characteristics of water and sediment at the open sea cage culture site of Asian seabass Lates calcarifer (Bloch) off Cochin, south-west coast of India

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    Study was undertaken to assess the impact of open sea cage culture of Asian seabass Lates calcarifer on selected parameters of water as well as sediment at Munambam off Cochin, Kerala coast from November 2008 to March 2009. Periodic observations were made on temperature, pH, dissolved oxygen, salinity, nutrients (NO3, PO4, SiO3), nitrite, ammonia, BOD, total suspended solids, chlorophyll a, gross and net primary productivity as well as bacterial load of the surface and near bottom water from the cage site (N 10º 08' 162''; E 76º 08' 901'') and also from a reference site (N 10º 07' 189''; E 76º 09' 210'') during pre- as well as post-stocking periods. Sediment samples were collected simultaneously from both the sites and analysed for texture, pH, organic carbon and bacterial load. A significant reduction (p<0.05) in silicate and chlorophyll a was perceived in surface water at the cage site, during the culture period as compared to pre-stocking period. No significant variations were noticed in any of the other parameters studied. The sand, silt, clay and organic carbon content in sediment at cage site differed significantly (p<0.05) from that of the reference site. There was no significant difference in the mean values of total heterotrophic bacterial count as well as presumptive Vibrio count of the water and sediment, either between the cage site and reference site or between the pre- and post-stocking samplings. No adverse effect as influenced by cage culture of fish was observed on any of the environmental parameters studied during the period of investigation

    CATALOGUE-2018 Marine Biodiversity Museum CMFRI Special Publication No. 129

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    A new Marine Biodiversity Museum was established at Kochi following the shifting of the headquarters of the Institute from Mandapam to Kochi. The Museum was inaugurated by Padma Vibhushan Prof. M.S. Swaminathan on 4th February 2006. The museum now holds around 2300 specimens of various categories such as fishes, echinoderms, molluscs, crustaceans, corals, seaweeds etc. These specimens are of fundamental importance to taxonomic, systematic and biodiversity studies. The first catalogue on Marine Biodiversity Museum comprised of specimens belonging to all the groups was published in 2012. The present catalogue prepared by the Marine Biodiversity Division of the Institute is expected to update the present status of the specimens in the museum as on March 2017. I am happy to bring out this catalogue in the year of Platinum Jubilee celebrations of CMFRI (1947-2017). The help and support extended by the previous Directors of CMFRI and Museum-in-charges are gratefully acknowledged. Majority of the specimens in the Museum represents the collections made by scientists of CMFRI as part of their research activities. The keen interest shown and the sincere effort put in by the scientists of the Institute in building up this Museum as an invaluable gift to those who pursue science need special mention. They have deposited their valuable specimens in the Museum and contributed in one way or the other to bring it to the present status. I congratulate all those who have been involved in the collection, preservation, identification and cataloguing of the specimens in the Marine Biodiversity Museum

    ജെല്ലി സേഫ് കിറ്റ് : കടൽച്ചൊറി ദംശനത്തിന് പ്രഥമ ശുശ്രൂഷ

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    ജെല്ലി സേഫ് കിറ്റ് : കടൽച്ചൊറി ദംശനത്തിന് പ്രഥമ ശുശ്രൂ
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