Eldho Varghese

Eldho Varghese
Central Marine Fisheries Research Institute | CMFRI · Division of Fishery Resources Assessment

Ph.D.

About

234
Publications
46,281
Reads
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1,608
Citations
Citations since 2017
158 Research Items
1515 Citations
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400

Publications

Publications (234)
Article
Inland capture fisheries in many parts of the world, especially in developing nations, receive relatively low governance priority, thereby raising concerns about their sustainability. Consequently, most inland capture fisheries are data‐limited, which renders conventional capture fisheries assessment methods inapplicable for making science‐based mo...
Article
The increasing of atmospheric carbon dioxide (CO2) has a greater impact on soil microbial diversity and related soil nutrient dynamics under different ecology. In our study, a global database of 572 observations from 202 research publications analysed to explore the impacts of increased atmospheric CO2 on soil microbial diversities. The soil microb...
Article
Citrus peels have high flavonoids known for potent pharmaceutical and food applications. The present study explores the infusion of citrus peel polyphenols (CPP) into ash gourd (Benincasa hispida) through vacuum impregnation (VI). The intent was to functionalize ash gourd for diversifying its food use. Vacuum infused ash gourd (VIAG) cubes were eva...
Article
Guava is known as "Super fruit"; it is the third richest source of Vitamin C. In this study Black guava is characterized morphologically, biochemically and on molecular basis. Result revealed that Black guava had the maximum total anthocyan in content (9.663 mg/100g) compared to white and pink pulped counterparts. Pink pulped Hisar Surkha and Lalit...
Article
Anthracnose is a serious postharvest disease of mango causing significant loss in quality during ripening, storage, and trade. In the present study, we evaluated the preventive and curative effects of volatile organic compounds (VOCs) emitted by Pseudomonas putida BP25 and its synthetic VOC 2, 5-dimethylpyrazine on anthracnose in mango cv. Chausa....
Article
Polychlorinated biphenyls (PCB) are of great concern to humans and environmental health. In this work, the biodegradation of PCB congeners mix containing PCB 10, PCB 28, PCB 52, PCB 138, PCB 153, and PCB 180 was evaluated in a sterilized soil system over 60 days by using three fungal strains and their consortium isolated from paint scrape-contamina...
Article
Sustainable agriculture practices are the one that caters for the present without compromising for the future generations and at the same time maintains and enhances environmental quality. With the depletion in the quality environmental conditions and an increase in the global population there is an immense need for ensuring sustainability in agric...
Article
Full-text available
In a feeding experiment, cottonseed meal (CSM) was used to replace fishmeal (FM) in the diet of snubnose pompano, Trachinotus blochii, supplemented with lysine and methionine to assess the growth, nutritive profile, hematological, histological, and stress biomarker response. Experimental fishes were randomly stocked in five treatments each with tri...
Article
Full-text available
The present investigation was aimed to assess the best organic pest management practices in soybean and Indian rape cultivation systems in the mid‐Himalayas. Based on the preliminary laboratory assays, promising treatments were selected for field assays for three years. It was observed that Parthenium leaf extract 5% provided significantly higher p...
Article
Row-column designs are widely recommended for experimental situations when there are two well-identified factors that are cross-classified representing known sources of variability. Row-column designs are expected to result a gain in accuracy of estimating treatment comparisons in an experiment as they eliminate the effects of the row and column fa...
Article
This study was aimed to test the effects of lysine (Lys) and methionine (Met) intake at different dietary protein levels (36, 38, and 40 g/100 g crude protein) on growth and metabolism in the juveniles of silver pompano (Trachinotus blochii). The experiment comprised six diets with different protein levels (CP 36, 38, and 40 g/100 g) without (D1, D...
Article
Beetroot betalains (E162) as natural colourants, extracted by physical means, are permitted by the European Union for use as a natural colourant in foods. Like other natural colourants, betalains have limitations due to the lack of standardized extraction protocols and reduced stability. An experiment was conducted for process optimization of betal...
Article
Full-text available
Anthocyanin-rich extracts from black carrots are being considered as a candidate replacer for the red colour in processed foods. The present investigation optimizes the extraction of anthocyanins with high phenolic content and low degradation parameters from black carrots using a cellulolytic multi-enzyme preparation known as ‎‎Viscozyme. The optim...
Article
Full-text available
In this study, we investigated the impact of harvest maturity stages and contrasting growing climates on secondary metabolites in Kinnow mandarin. Fruit samples were harvested at six harvest maturity stages (M1–M6) from two distinct growing locations falling under subtropical–arid (STA) and subtropical–humid (STH) climates. A high-performance liqui...
Article
The impacts of cocoa solids and coconut sugar on the sensory perception of bean to bar dark chocolate were investigated with mixture design using response surface methodology. The maximum and minimum levels of cocoa nibs, cocoa butter, and coconut sugar for the preparation of chocolate were 35–50%, 15–30%, and 20–35%, respectively. A suitable mathe...
Conference Paper
The swordtip squid Uroteuthis edulis is an important commercial loliginid squid distributed in the Indo-Pacific region. In the Southeast Arabian Sea (SEAS), it is mainly captured in trawl throughout the year and forms the second most important squid trawled. Uroteuthis edulis is distributed on the continental shelf along with Uroteuthis duvaucelii....
Article
Background: Like other natural pigments, betalains have a stability problem. Copigmentation can be explored to address this issue. In this study, black carrot anthocyanins were used for the first time as copigment with betalains so that copigmented betalains with enhanced stability could be developed to withstand deteriorative processing and stora...
Article
Segmenting a series of measurements along a genome into regions with distinct characteristics is widely used toidentify functional components of a genome. The majority of the research on biological data segmentation focuses on the statistical problem of identifying break or change-points in a simulated scenario using a single variable. Despite the...
Article
Response surface designs are generally used in process/product optimization studies. Sequential third-order response surface designs are advantageous when the experimenter encounters the significance of lack of fit of a fitted second-order model while establishing the relationship between the input and response variables. In some experimental situa...
Article
Random execution of run sequences is employed in response surface designs to avoid bias in the response. Since the randomization of run sequences may induce frequent changes in the factor levels, which makes it difficult or expensive for the experimenter, especially when hard-to-change factors are involved in the experiment. Mostly, second order re...
Article
Full-text available
Based on our previous study in minimal medium, Kocuria rosea and Aspergillus sydowii were identified as the best microbes for degradation of mixture of polyaromatic hydrocarbons (PAHs). The present study reports PAH degradation potential of these microbes in free and immobilized form. PAHs were extracted using QuEChERS-mediated process followed by...
Article
Full-text available
The nitrogen fixing aquatic pteridophyte Azolla is often found in the rice fields and is responsible for maintaining the soil fertility and productivity. Salinity is known to severely affect approximately half of the irrigated lands worldwide. Therefore, in the present study, the salinity stress response in the whole plants, freshly isolated cyanob...
Article
Horticulture sector in India is witnessing a continuous expansion. Simultaneously, a significant amount of produce is lost due to the post-harvest losses. Studies report a wide gap between the rate of technology development by research institutes and the uptake of the same by grass-root farmers. This can be attributed to the lack of information or...
Code
Description The Row-column designs are widely recommended for experimental situations when there are two well-identified factors that are cross-classified representing known sources of variability. These designs are expected to result a gain in accuracy of estimating treatment comparisons in an experiment as they eliminate the effects of the row an...
Article
Full-text available
Crude oil contamination of soil and water resources is a widespread issue. The present study evaluated the degradation of aliphatic hydrocarbons (C11–C36) in crude oil by 17 bacteria isolated from a crude oil–contaminated soil. The results suggested that Pseudomonas sp. and Bacillus amyloliquefaciens were the best hydrocarbon-degrading bacteria in...
Article
Crude oil contamination of soil and water resources is a widespread issue. The present study evaluated the degradation of aliphatic hydrocarbons (C11–C36) in crude oil by 17 bacteria isolated from a crude oil–contaminated soil. The results suggested that Pseudomonas sp. and Bacillus amyloliquefaciens were the best hydrocarbon-degrading bacteria in...
Article
Beetroot is one of the most important industrial crops from Caryophyllales order cultivated for its natural colourant, betalains and exceptionally high antioxidant activity. Like other natural pigments, betalains are also associated with reduced stability problem. The effectiveness of various additives for betalain and antioxidant stability was exa...
Preprint
Full-text available
In a feeding experiment, cottonseed meal (CSM) was used to replace fishmeal (FM) in the diet of snubnose pompano supplemented with lysine and methionine to assess the growth, nutritive profile, hematological, histological and stress biomarkers response. Experimental fishes were randomly stocked in five treatments each with triplicates. Five isonitr...
Preprint
Full-text available
One of the key challenges in present time to meet out growing global food demand without damaging environment under constant threats of climate-extremes. Enhancement of nutrient use efficiency and build up intrinsic system tolerance through soil microbial manipulation has gained significant international support to address this challenge. Impact of...
Article
Full-text available
This paper highlights the richness of information available in an expanded ICAR-CMFRI-NMFDC fish catch and effort database for the state of Kerala. Strengthening of the database by digitizing data in the old paper data sheets was done under a multi-national project, ICAR-CMFRI-CSIRO-LENFEST Ocean Programme. The high diversity of fished taxa was cla...
Article
Generalized Row-Column (GRC) designs are used where there is more than one unit in each row-column intersection. Mating plan is a systematic procedure of producing the progenies. Diallel and triallel crosses are some examples of mating plans. In literature there are many mating plans which are developed using block/row-column designs. The objective...
Article
The investigation aimed to analyze the qualitative attributes of ‘Sugar Baby’ variety of watermelon. Ripe fruit consisted of 68.30% flesh, 31.07% rind, and 1.58% seeds. Freshly extracted juice had a pH, total soluble solids, lycopene, ascorbic acid, and total phenolic content of 5.64, 8.90°Bx, 5.23 mg/100 mL juice, 8.22 mg/100 mL juice, and 15.48 m...
Article
This study was aimed to assess the effects of calcium lactate (CL) on quality, shelf-life and storage physiology of bitter gourd. Fruits were dipped in the aqueous solution of CL (50, 75, and 100 mM) and stored at 10 °C and 85–95% relative humidity (RH). The changes in physical, biochemical and enzymological parameters were recorded at five days in...
Article
Mixture Experiments are very common in real life experiments. Designing a mixture experiment involves selection of the proportion of the mixture components in a fashion such that a mathematical model can be fitted adequately and the parameters could be estimated. In agricultural experiments, the mixture components may be several sources of the inpu...
Article
In agricultural, animal, fisheries and industrial experimentation under block design setup, systematic trend may affect the response under consideration. Although remote, these effects may still have high influence on response and hence should be incorporated in the model for proper model specification. Completely trend resistant block designs, als...
Article
Response Surface Designs (RSDs) are widely used in process or product optimization studies to explore the input-response relationship. This paper is an attempt to provide a compilation of theoretical developments in the RSDs, since its inception in early 1950s to 2020. Part I (1951–1999) consists of important reviews on basic concepts and its devel...
Article
Multifactor experiments are very common in agricultural research. Randomizing run orders in multifactor experiments often witness in large number of factorwise level changes which will increase the cost and time of the experiments. Minimal cost multifactor experiments are such experiments where the cost of the experiment is minimum which can be ach...
Article
The aim of this experiment was to study the effect of varied UV-C exposure time (20, 30, 40 minutes) on nutraceutical properties, defence-related compounds, and storage life of bitter gourd fruit. Treated fruit was stored in a cold room maintained at 10 °C temperature and 85–95 % relative humidity for 16 days. UV-C treatment for 40 min was found be...
Article
Full-text available
Agricultural productivity is threatened by increasing incidence of drought and the drought tolerant cyanobacteria offer a better solution in the restoration of soil fertility and productivity. The present study describes the comparative physiological response of the cyanobacterium Anabaena sp. acclimated and un-acclimated to desiccation stress indu...
Article
Full-text available
Computer vision with deep learning is emerging as a significant approach for non-invasive and non-destructive plant phenotyping. Spikes are the reproductive organs of wheat plants. Detection and counting of spikes considered the grain-bearing organ have great importance in the phenomics study of large sets of germplasms. In the present study, we de...
Article
Designs involving sequences of treatments are advantageously used when observations are taken repeatedly from same experimental unit period after period as a new treatment is applied in each period. Hence, inclusion of residual effects into the model becomes the most important feature of such designs. Six popular classes of designs involving sequen...
Article
A biomass dynamics modelling study to derive biological reference points and management requirements of 223 commercially important fish stocks in different maritime states of India was conducted. Two decades (1997–2016) of fishery-related data on the harvest of resources by different types of fishing fleets formed the input. The multigear nature of...
Article
In the present investigation, the effect of bilayer coating was evaluated on the chilling injury and quality of guava fruits. The fruits of white fleshed guava cv. Allahabad Safeda and pink fleshed cv. Lalit were subjected to treatment with 5‐sulfosalicylic acid (2 mM) followed by vegetable wax (1:4 v/v). The treated fruits were stored under two te...
Article
Full-text available
Though women act as the backbone of world agricultural workforce most of them are economically backward. But, self help group (SHG) movement made some tangible changes in empowering rural women in India. The study was carried out among 120 SHG women farmers and 60 non-SHG women farmers of south west India to analyze the impact of SHGs in empowering...
Article
Triallel crosses can be readily exploited as breeding tool for developing commercial hybrids with traits of genetical and commercial importance by acquiring information on specific combining ability effects along with general combining ability effects if the experimentation size is reduced to an economical extent. In this paper, methods of construc...
Article
This paper describes the response surface model for mixed-level factors of the form 2ⁿ×3 where experimental units/plots experience the overlap effects from immediate left and right neighboring units. Conditions have been derived for the orthogonal estimation of the parameters of the model. A method of constructing mixed-level response surface desig...
Article
Full-text available
In order to replicate the successful models of farmer producer organisations, we need to delve deep for delineating the various critical factors contributing to the success and sustainability of such farmer organisations. The present research study was conducted in Udaipur Agro Producer Company Limited (UAPCL) in Udaipur district of Rajasthan. The...
Article
Anthracnose disease incited by Colletotrichum gloeosporioides reduces the yield and market-quality of mangoes worldwide. Previous studies have indicated the potential of diverse antimicrobial volatile organic compounds (VoCs) emitted by the endophytic Pseudomonas putida BP25 for plant disease suppression. In the present study, we have explored nati...
Article
Three fungal strains isolated from the oily sludge contaminated soil were identified as Trichoderma atroviride, Aspergillus nidulans and Aspergillus sydowii using 18s rDNA sequences and BLAST analysis. Degradation of crude oil was studied using the isolated fungi, without (–T) and with (+T) Tween-80. The total percent degradation of aliphatic hydro...
Preprint
Full-text available
Background: Computer vision with deep-learning is emerging as a major approach for non-invasive and non-destructive plant phenotyping. Spikes are the reproductive organs of wheat plants. Detection of spike helps in identifying heading, and counting of the spikes as well as area of the spikes will be useful for determination of the yield of wheat pl...
Article
Full-text available
The influence of mesoscale dynamics on variability of phytoplankton biomass in terms of chlorophyll-a (chl-a) concentration was studied in the coastal waters of the South Eastern Arabian Sea (SEAS) using long-term satellite data. Satellite-derived chl-a, sea level anomaly, sea surface temperature, and sea surface wind data for the period 1998–2016...
Article
Rotatable designs that are available for process/ product optimization trials are mostly symmetric in nature. In many practical situations, response surface designs (RSDs) with mixed factor (unequal) levels are more suitable as these designs explore more regions in the design space but it is hard to get rotatable designs with a given level of asymm...
Article
Full-text available
This study evaluated the effect of biopolishing using cellulase enzymes on the low stress mechanical properties, microstructure, and dye uptake of different cellulosic fabrics (cotton, modal, and cotton denim). The tactile features were studied via the Kawabata evaluation system (KES) and showed increments in tensile elongation, tensile resilience...
Article
Full-text available
Cottonseed can be considered as a potential candidate to act as an important protein source. However, toxic compound "gossypol" is the main hurdle in utilization of this potential source of protein. The current study aims to optimize the extraction of cottonseed protein isolate (CSPI) from defatted cottonseed meal (CSM) using Box-Behnken design (BB...
Article
Full-text available
In this paper, first-order response surface model incorporating neighbour effects from experimental units up to distance 2 has been discussed where experimental plots experience the neighbour effects from immediate left and right neighbouring units as well as from units at distance 2 assuming the plots are placed linearly without gaps. Conditions h...
Article
The use of an appropriate design is a very important aspect of agroforestry experimentation. Since different species of trees may interact spatially, plots in agroforestry could be connected through network of trees which would create non-directional adjacency effects on a plot. Hence, there is a need to take the “direct effect of trees” and “tree...
Article
The basic aim of analyzing gene expression data is to identify genes whose expression patterns differ in the treatment samples, with respect to the control or healthy samples. Microarray technology is a tool for analyzing simultaneous relative expression of thousands of genes within a particular cell population or tissue in a single experiment thro...
Code
Tetra-allele cross often referred as four-way cross or double cross or four-line cross are those type of mating designs in which every cross is obtained by mating amongst four inbred lines. A tetra-allele cross can be obtained by crossing the resultant of two unrelated diallel crosses.
Poster
संवर्धित संगमन अभिकल्पनाओं को चार-पथ आनुवंशिक क्रॉस के लिए प्रस्तावित किया गया है, जिसमें प्रजनक द्वारा अभिभावक लाइनों को महत्व के आधार पर दो समूहों में बाँटा जाता है । इसमें पूर्ण एवं आंशिक आनुवंशिक क्रॉस को सम्मिलित कर संवर्धित चार-पथ आनुवंशिक क्रॉस बनाए जाते हैं । सामान्य संयोजन क्षमता प्रभावों को शामिल कर चार-पथ आनुवंशिक क्रॉस के लिए एक प्रतिबं...
Code
This macro deals with exhausticve search to generate all possible minimally changed run order of two level factorial designs with different aparameters
Code
This macro deals with exhaustive search within a specified domain to generate all possible minimally changed run order of half replicate of two level fractional factorial. The macro also generates different paparameters along with the all possible minimally changed run orders.
Code
This programme when executed produce the design matrix of the factorial design, factor wise level changes, total number of changes, different other parameters like normalized trend coefficient, D optimality value, Dt optimality value and trend factor.
Article
Full-text available
In this article, we have discussed a general methodology for constructing Asymmetrical Response Surface Designs in the presence of Neighbour Effects. Methodology of form 2n´3 has been derived. Conditions have been derived for the near orthogonal estimation of coefficients of response model. Further, conditions for rotatability under these models ha...
Article
Full-text available
Grapefruit (Citrus paradisi) peel (GP) is rich in flavonoids and phenolics which have several proven pharmacological effects. However, their chemical instability towards oxygen, light and heat limits its applications in food industries. In the present study, we evaluated the feasibility of fabricating grapefruit-peel-phenolic (GPP) nano-emulsion in...
Article
In this study, we optimized the dietary methionine requirement of juvenile silver pompano (average initial weight of 5.47 g). Six isonitrogenous and isolipidic diets (420 g/kg crude protein [CP] and 60 g/kg lipid) were formulated with different concentrations of methionine (5.1, 6.9, 9.0, 10.7, 13.1, and 15.2 g/kg dry diet) and a constant level of...
Article
Full-text available
This study analysed gridded temperature dataset for the last six decades over India and its different agro-climatic zones to determine the changes in land area affected by extreme warm day temperatures. The results indicated an unequivocal increase in the area influenced by different levels of extreme warm days over the country; the rate was signif...
Article
In India, guava trees produce two crops per year, one in the rainy-season and another in the winter. The rainy-season crop is severely infested by fruit fly, anthracnose disease and birds. Because of low quality, the rainy-season crop is usually discarded by farmers. In recent years, on-the-tree fruit bagging has emerged as one of the most effectiv...
Article
Full-text available
Kresoxim methyl sorption in soils of five agro-climatic zones of India varied from 41.6% to 84.7%. Highest sorption was recorded in organic carbon rich Almora soil. Isotherm parameters for linear and non-linear Freundlich and Temkin models were almost same, whereas Langmuir parameter Q0, for linear (1.60 to 9.434 μg g−1) and non-linear (8.48 to 17....
Article
Factorial experiments, wherein two or more factors each at two or more levels are used simultaneously, have profound applications in many fields of agricultural and allied sciences. These experiments allow studying the effect of each individual factor as well as the effects of interactions between factors on the response variable. In order to avoid...