Dr. Subhra Saikat Roy

Dr. Subhra Saikat Roy
Indian Council of Agricultural Research | ICAR · ICAR Research Complex for NEH Region

Ph.D.
Senior Scientist (Horticulture), ICAR Research Complex for NEH Region, Manipur Centre, Imphal

About

104
Publications
98,005
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303
Citations
Additional affiliations
February 2011 - May 2011
Michigan State University
Position
  • Researcher
January 2008 - present
Indian Council of Agricultural Research
Position
  • Researcher
Education
July 2004 - January 2008
Bidhan Chandra Krishi Viswavidyalaya
Field of study
  • Horticulture
June 2002 - June 2004
Bidhan Chandra Krishi Viswavidyalaya
Field of study
  • Horticulture
May 1998 - April 2002
Uttar Banga Krishi Vishwavidyalaya
Field of study
  • Horticulture

Publications

Publications (104)
Article
Chilli veinal mottle virus (ChiVMV), a potyvirus has emerged as the most devastating threat to chilli cultivation in North East Region (NER) of India. Its wide prevalence and higher rate of transmission led to crippling of chilli groves, especially of landrace U-morok (C. chinense) in NER of India. Current study elucidates widespread occurrence of...
Article
Full-text available
Background Major portion of poultry feather waste is constituted by keratin which is recalcitrant to degradation by common proteases. Feather waste contributes a significant volume of biowaste load to the environment. Valorization of these wastes into various products has been attempted by many researchers. The objectives of the present study were...
Conference Paper
Full-text available
This is the Souvenir of the National Conference on AgriStartUps - Prospects, Challenges, Technologies and Strategies, organized by Agribusiness Incubation Centre, ICAR Research Complex for NEH Region, Meghalaya in collaboration with APEDA, Govt. of India, Sikkim Organic Mission, Govt. of Sikkim and Manipur organic Mission Agency, Govt. of Manipur,...
Article
Full-text available
North-East Indian Himalayan Region has a humid subtropical climate having diverse ecosystems. The majority of the population of the region depends on agriculture for sustainable livelihood. However, it can produce only 1.5% of the country’s food grains, thereby importing from other parts of the country for consumption. To feed the increase in the p...
Article
Full-text available
To critically assess the performance of micro and small foodpreneurs during COVID-19 pandemic in Manipur state of India, an online survey was conducted during the year 2020. The survey data was subjected to non-parametric statistical analysis using PROC NPAR1WAY and Dwass, Steel, Critchlow-Fligner multiple comparison analysis. The findings suggeste...
Book
Full-text available
Natural Resource Management in Horticultural Crops
Data
A DATABASE OF AGRICULTURAL & ALLIED SECTOR IN NORTH EASTERN HILL REGION OF INDIA
Article
Full-text available
The North Eastern Region (NER) is bestowed with unique ethnicity and rich biodiversity (flora and fauna) that are inherent to this region and inquisitive traditional practices. The region is a reservoir of indigenous knowledge and practices. NE agriculture has its own merit, demerit, diversity and heterogeneity which distinguish it from the agricul...
Article
Energy intensive traditional cereals based monoculture often lead to high greenhouse gas emissions and degradation of land and environmental quality. Present study aimed at evaluating the energy and carbon budget of diversified groundnut (Arachis hypogea L) based cropping system with over existing traditional practice towards the development of a s...
Article
Full-text available
Oxidative stress is the major cause of many health conditions, and regular consumption of antioxidants helped to encounter and prevent such oxidative stress-related diseases. Due to safety concerns over long-term uses of synthetic antioxidants, natural antioxidants are more preferred. The purpose of this study is to investigate the antioxidant and...
Article
King Chilli (Capsicum chinense Jacq) belonging to the family Solanaceae is an important spice crop which is known for its culinary preparations as well as medicinal value. It has been reported to be highly rich in capsaicin content with a reported Scoville Heat Units (SHUs) rating of 1,001,304 (Ngasepam et al., 2016). It is cultivated as an importa...
Article
Abstract The present study investigates the antioxidant activity of 28 wild edible plants (WEPs) resources of Loktak Lake wetland ecosystem of Manipur, North East Indian Himalayan Region and their correlation with phenolics and flavonoids. Antioxidant activity was measured by DPPH, ABTS and FRAP assay. The antioxidant capacity was found to wide ran...
Article
Full-text available
β-glucosidase is an enzyme that has ability to cleave β-glycosidic bonds present in oligosaccharides and glycoconjugates. They are known to be present across all domains of living organism and have important roles in many biological processes including plant defense mechanism. In the present study, a β-glucosidase enzyme identified from seeds of Se...
Article
Full-text available
Performance of 27 improved groundnut cultivars were assessed for agronomic and physiological traits associated to improve the productivity in degraded acid soils under rainfed hilly ecosystem. The cultivars ICGS 76 and ICGV 86590 produced significantly higher pod yield with more than 39% improvement over JL 24. The study also identified five more p...
Article
Full-text available
The genetic variability of 'Candidatus Liberibacter asiaticus' (CLas) population associated with huanglongbing (HLB) disease of citrus in North Eastern (NE) region of India, a geographically locked region, and home for the diversity of many citrus species was analyzed on the basis of tandem repeat numbers (TRN) in variable CLIBASIA_01645 genomic lo...
Article
Globally, there is a need to enhance agricultural productivity safely to feed the growing human population without massive use of chemical pesticides and fertilizers, as it causes adverse effects on environment. Biocontrol activities and use of plant growth promoting (PGP) bacteria holds great promise for an ecofriendly sustainable organic agricult...
Article
Full-text available
Perilla is an important underutilized oilseed crop cultivated by tribal farmers in hilly areas of north-eastern region of India. It is grown by tribal and marginalised farmers in the traditional form of agriculture. The crop has good oil quality and plays an important role in providing nutritional security to the tribal farmers. There is a need to...
Book
Agri-business ventures is the need of the hour for seamless blending of on-farm and non-farm employment in our country. Agripreneurship is an important approach to attract the rural youths in agriculture and means for empowering the rural women in tribal areas. Secondary agricultural activities which mainly focus on agro-based business ventures and...
Article
Full-text available
Accumulation of feather waste is becoming a major issue in solid waste management. Towards discovery of keratinolytic bacteria, screening of bacterial strains from feather dumping sites in North East, India was performed and 26 keratinolytic bacterial strains were isolated. Out of these, one isolate RCM-SSR-7 was found to be most promising strain e...
Article
Full-text available
Chilli (Capsicum spp.) is an economically important spice crop widely grown in India. The Sikkim-Darjeeling hills region of northeast India is known for biodiversity of chili landraces. In April 2018, leaf deformation and severe mosaic symptoms along with green streaks (18 to 24% incidence) were observed in Capsicum annuum (landrace Dalle Khursani)...
Chapter
Full-text available
Agriculture and Horticulture are vital science, as they suffice the very basic need of food for the Human beings. Qualitative and quantitative food can essentially be produced from healthy plants that in turn are produced only when their seedlings/saplings are vigorous and healthy. Nursery is consequently the basic need of horticulture. Plant propa...
Article
Full-text available
Manipur in India is endowed with rich biodiversity and abundant natural resources. Despite inaccessibility, marginality and heterogeneity, the state has made good progress in agriculture and allied sectors. About 80% of the state population depends on agriculture for livelihood. However, agriculture sector in Manipur is facing the consequences of c...
Poster
Full-text available
As a part of the DBT funded study, various products like King chilli sauces with pulp and extracts, sweet and sour King chilli sauces, toffee, curry paste, sweet and sour King chilli pickles were developed and standardized and subjected to biochemical analysis. Fresh King chilli, Dry King chilli and King chilli products were developed, standardized...
Article
An experiment was conducted at farmer’s field at village Ghoragacha in Nadia district, West Bengal to study the impact of Biovita, a biofertilizer based on vegetative origin sea weed for maximizing yield and better quality of potato cv. Kufri Jyoti. Nine treatments were allotted with different dose of Biovita through soil application or foliar spra...
Article
The investigation was carried out during 2005-2006 to find out the effect of biofertilizers with different levels of inorganic fertilizers on turmeric (cv. Suguna) grown as intercrop in arecanut plantation (cv. Mohitnagar). Four biofertilizers namely Azospirillum brasilense, Azotobacter chroococcum, PSB (Phosphate solubilizing bacteria) and AM (Arb...
Article
An experiment was conducted to study the efficacy of different mulching material in turmeric (Curcuma longa L.) var. Suguna as intercrop in coconut (Cocos nucifera L) var. East Coast Tall was conducted for two consecutive years (2002 and 2003) during initial growth stages of coconut plants in a Randomised Block Design with three replications. Ten d...
Article
A field experiment was conducted in a five-year-old coconut plantation with cv. East Coast Tall at Horticultural Research Station, Mondouri, BCKV during 2002 and 2003, to find out the effect of different organic manures on growth and yield of ginger as an intercrop. Two levels (25% and 50% substitution of inorganic source of nitrogen) of five organ...
Article
A field experiment was carried out during 2002 and 2003 at Horticultural Research Station, Mondouri, BCKV with two levels (25% and 50%) substitution of inorganic source of nitrogen with five organic manures namely FYM, groundnut cake, mustard cake, neem cake and poultry manure, to study the effect of organic manures on growth and yield of ginger cv...
Article
Experiment was conducted at Teaching Farm, Mondouri, BCKV during 2003 and 2004, to assess the efficacy of different chemicals on growth and yield of ginger (Zingiber officinale Rosc.) cv. Garubathan. Six chemicals namely KH2PO4 (0.25, 0.5, 1.0%), thiourea (0.25, 0.5, 1.0.%), KNO3 (0.25, 0.5, 1.0%), GA (25, 50, 100 ppm), ethrel (50, 100, 200 ppm) an...
Article
Organic manures viz. compost, vermicompost, phosphocompost and mustard cake along with microbial inoculants of Azospirillum brasinese and AM (Glomus fasciculatum) were tried. A significant difference in the rhizome yield was noticed when organic manure-microbial inoculants combination was compared with recommended dose of fertilizers (inorganic). M...
Article
Full-text available
Diverse chilli genetic resources of North East India occupy a unique niche in the Nation’s chilli gene pool. Widely cultivated chilli landraces (King chilli: Capsicum chinense, bird eye chilli: Capsicum frutescens and Capsicum annuum) of North East India in general and Manipur in particular suffer from decline complex due to high incidence of viral...
Article
Full-text available
Twelve actinobacterial strains were isolated from tomato rhizospheric soil from Manipur, a state in North East Indian Himalayan Region and screened for keratinolytic and plant growth promoting traits. Nine promising isolates were identified as Streptomyces species using partial 16S rRNA gene sequencing. Among the seven isolates showing chicken feat...
Technical Report
Full-text available
The publication contains contributory articles on present status of rice residue burning in Manipur , its impact on environment and various options of sustainable management of rice residue in an eco-friendly manner. It was published as Souvenir of the Brainstorming Workshop on "Rice Residue Burning in Manipur - Issues and Strategies for Sustainabl...
Technical Report
Full-text available
This Publication deals with the Status of Shifting Cultivation in North Eastern Hill Region of India and Strategies for Jhum Improvement.
Research
Full-text available
Sustainable development on our planet cannot be achieved without a major contribution from agriculture. People must be fed, and agriculture has to face the challenge of producing sufficient food for a rapidly growing world population whilst maintaining the world’s fragile resources. Modern farming systems have evolved to meet this need in a way tha...
Article
Full-text available
Eleaegnus latifolia L. is one of the most important life sustaining underutilized fruit crops among the tribes of the eastern Himalaya region. The fruits have several uses and all parts of the fruits including seed are edible at all stages of fruit growth. Despite of great potential, little or no information is available on its flower characteristi...
Research
Full-text available
from agriculture. People must be fed, and agriculture has to face the challenge of producing sufficient food for a rapidly growing world population whilst maintaining the world’s fragile resources. The major problems of present day agriculture are decline in agriculture growth rate, decline in factor productivity, static or decline in food producti...
Research
Full-text available
Model training course on Improving entrepreneurial skills of farming Community for income generation under different ifs models in NEH Region Sponsored By - Directorate of extension, Ministry of agriculture and farmers' welfare, Government of India
Book
Excellent and prime agricultural technologies even when as technically sound are of limited value and scope if they are not adopted and accepted by the farmers. The farmers need those technologies which increase their net returns and livelihood with keeping minimum risk and within their own purview and management practices. In the era of modernizat...
Article
Full-text available
A study was undertaken to find out the effect of nitrogen and spacing on Maroi Napakpi (Allium hookeri Thw.) with three levels of nitrogen and six levels of spacing. Though higher growth was recorded with 75 kg/ ha nitrogen (N3), higher marketable leaves per plant and leaf yield was recorded with 60 kg/ ha nitrogen (N2) during the first year and 75...
Chapter
Plant pararetroviruses are the double-stranded DNA viruses which replicate via reverse transcription like mammalian retroviruses; however, integration is not an essential step in replication. Those pararetroviruses which integrate into the host genome are known as endogenous pararetroviruses (EPRV) and are the fossils of the viruses that existed in...
Book
Full-text available
Sustainable development on our planet cannot be achieved without a major contribution from agriculture. People must be fed, and agriculture has to face the challenge of producing sufficient food for a rapidly growing world population whilst maintaining the world’s fragile resources. The major problems of present day agriculture are decline in agric...
Chapter
Soil and water are the most important natural resource in the context of agriculture and their conservation is essential for sustaining agricultural productivity. Inadequate implementation of soil and water conservation practices is a major constraint in agricultural production. The shrinking forest and cultivated land resource have aggravated the...