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    Article

    Quantification of genetic variability and stable genotype selection over the years in the germplasm of critically endangered Prishanparni (Uraria picta Desv.)

    Prishanparni (Uraria picta Desv.), a critically endangered annual shrub belonging to the family ‘Papillionaceae’. It is widely distributed throughout India, Sri Lanka, Bangladesh, Tropical Africa, Malay Islands, ...

    Priyanka Prasad, Nashra Aftab, Ram Kishor in Environmental Geochemistry and Health (2022)

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    Article

    Genetic diversity analysis of Prishniparni, Uraria picta Desv.: A Dashmoola ingredient, to realize high yielding accessions

    Uraria picta Desv. (fam. Fabaceae) Sanskrit name ' Prishniparni' is an important constituent of the Ayurvedic drug Dashamoola. The herb is highly valued in traditional medicine for treating gonorrhoea, malaria, h...

    Priyanka Prasad, Aishwarya Srivastava, Vivek Singh, H. K. Kushwaha in The Nucleus (2022)

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    Article

    DNA Fingerprinting and Genetic Relationships Similarities Among the Accessions/Species of Ocimum Using SCoT and ISSR Markers System

    Studies on genetic diversity could enhance taxonomic authentication and evolutionary relationship among the species of Ocimum. Therefore, diversity among 36 Ocimum accessions representing species from differen...

    Pankhuri Gupta, Anand Mishra, R. K. Lal, Sunita Singh Dhawan in Molecular Biotechnology (2021)

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    Chapter

    Traditional Plant Breeding in Ocimum

    Ocimum spp. is an important medicinal and aromatic plant. It has many medicinal properties. It is a rich source of carbohydrates, fibers, iron, β-carotene, vitamins, phosphorous, calcium, protein, and in aromatic...

    R. K. Lal, Pankhuri Gupta, C. S. Chanotiya, Sougata Sarkar in The Ocimum Genome (2018)

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    Chapter and Conference Paper

    Effect of Temperature on Dark Current in QWIP for Unmanned Aerial Vehicles

    This paper deals with results of optimizing the structure and temperature effects leading to dark or noise current mitigation in quantum well IR photodetector (QWIP) using mathematical modeling. The quantum we...

    Vishal Kumar, R. K. Lal in Proceedings of the International Conferenc… (2018)

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    Chapter

    High-Yielding Improved Varieties of Medicinal and Aromatic Crops for Enhanced Income

    Medicinal and aromatic crops are now being considered as important commercial items for sustainable economic development of the country. To meet the demand of prominent industries producing herbal drugs, pharm...

    J. R. Bahl, A. K. Singh, R. K. Lal, A. K. Gupta in New Age Herbals (2018)

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    Article

    Genetic elaborations of glandular and non-glandular trichomes in Mentha arvensis genotypes: assessing genotypic and phenotypic correlations along with gene expressions

    Mentha arvensis (corn mint) is well known for the production of menthol, a widely used commodity in pharma and flavoring industries and provides natural fragrances and products. Glandular...

    Anand Mishra, R. K. Lal, C. S. Chanotiya, Sunita Singh Dhawan in Protoplasma (2017)

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    Article

    Springback analysis in sheet metal forming by using the Ramberg–Osgood stress–strain relation

    The Ramberg–Osgood stress–strain relation is used to perform a theoretical springback analysis in the problem of bending of a narrow rectangular strip made of a strain-hardening material. The maximum strip thi...

    R. K. Lal, M. K. Bhagat, J. P. Dwivedi in Journal of Applied Mechanics and Technical… (2016)

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    Article

    Elicitors’ influenced differential ginsenoside production and exudation into medium with concurrent Rg3/Rh2 panaxadiol induction in Panax quinquefolius cell suspensions

    Cobalt nitrate, nickel sulphate, hydrogen peroxide, sodium nitroprusside, and culture filtrates of Pseudomonas monteili, Bacillus circularans, Trichoderma atroviridae, and Trichoderma harzianum were tested to eli...

    Tanya Biswas, Alok Kalra, A. K. Mathur, R. K. Lal in Applied Microbiology and Biotechnology (2016)

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    Article

    A cold-tolerant evergreen interspecific hybrid of Ocimum kilimandscharicum and Ocimum basilicum: analyzing trichomes and molecular variations

    Ocimum (Lamiaceae) is an important source of essential oils and aroma chemicals especially eugenol, methyl eugenol, linalool, methyl chavicol etc. An elite evergreen hybrid has been devel...

    Sunita Singh Dhawan, Preeti Shukla, Pankhuri Gupta, R. K. Lal in Protoplasma (2016)

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    Article

    Estimation of phenotypic divergence in a collection of Capsicum species for yield-related traits

    Phenotypic divergence among the 24 accessions belonging to a collection of six species of Capsicum from different geoclimatic regions available in field gene bank of CIMAP, Lucknow, India, was quantified by multi...

    S. T. Thul, R. K. Lal, A. K. Shasany, M. P. Darokar, A. K. Gupta, M. M. Gupta in Euphytica (2009)

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    Article

    Analytical Simulation of an InAsSb Photovoltaic Detector for Mid-Infrared Applications

    A generic model of a mid-infrared photodetector based on a narrow bandgap semiconductor has been developed. The model has been applied for analysis and simulation of an InAs0.89Sb0.11 photovoltaic detector for op...

    P. Chakrabarti, P. K. Saxena, R. K. Lal in International Journal of Infrared and Mill… (2006)

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    Article

    An analytical model of P +InAsSbP/n 0-InAs/n +-InAs single heterojunction photodetector for 2.4–3.5 μm region

    In this paper, a surface illuminated InAsSbP/InAs photodetector has been analyzed for operation in 2.0–3.5 μm wavelength region. The influence of different dark current components on the resistance-area product (...

    R.K. Lal, P. Chakrabarti in Optical and Quantum Electronics (2004)

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    Article

    Phenotypic and RAPD diversity among Cymbopogon winterianus Jowitt accessions in relation to Cymbopogon nardus Rendle

    The species Cymbopogon winterianus Jowitt is believed to have originated from the well-known species Cymbopogon nardus, type Maha Pengiri, referred to as Ceylonese (Sri Lankan) commercial citronella. Cymbopogon w...

    A.K. Shasany, R.K. Lal, N.K. Patra, M.P. Darokar in Genetic Resources and Crop Evolution (2000)

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    Article

    Internally consistent calibrations for geothermobarometry of high-grade Mg-Al rich rocks in the system MgO-Al2O3-SiO2 and their application to sapphirine-spinel granulites of Eastern Ghats, India and Enderby Land, Antarctica

    Sixty-three internally consistent geothermobarometers for mineral equilibria involving sapphirine (2:2:1 and 7:9:3), pyrope, cordierite, enstatite, Mg-tschermak orthopyroxene, quartz, spinel and sillimanite ha...

    R. K. Lal in Journal of Earth System Science (1997)

  16. No Access

    Article

    Induced polygenic changes occurring simultaneously with major gene changes in black henbane (Hyoscyamus niger L.)

    Two macromutants [unbranched (Ub) and restricted branched (Rb)], one point mutation [yellow flowerd (‘Ada’)] and two flowering variants (early and late) were isolated in the M2 generation of gammairradiated proge...

    J. R. Sharma, R. K. Lal, H. O. Mishra, S. Sharma in Theoretical and Applied Genetics (1992)

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    Article

    Potential of gamma radiation enhancing the biosynthesis of tropane alkaloids in black henbane (Hyoscyamus niger L.)

    A productive yellow flowered mutant with high tropane alkaloid content was isolated in the M2 generation of gamma irradiated (Co60 at 40 kr) progenies ofHyoscyamus niger. Mutant progenies, on an average, were cap...

    J. R. Sharma, R. K. Lal, H. O. Misra, M. M. Gupta, R. S. Ram in Euphytica (1989)

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    Article

    Radiation-induced hyperdiploidy inHyoscyamus niger L

    A hyperdiploid plant type, approaching the triploid chromosome number, and representing possibly a high level of tetrasomy, was recorded in the progeny of a gamma ray-induced unbranched desynaptic mutant in the M

    U. C. Lavania, R. K. Lal, J. R. Sharma in Experientia (1985)

  19. No Access

    Article

    Chemographic relationships in sapphirine-bearing rocks from Sonapahar, Assam, India

    Silica-deficient rocks in which sapphirine coexists with cordierite, gedrite, chondrodite, spinel, corundum and phlogopite in various parageneses, occur in association with cordierite-garnet-sillimanitebearing...

    R. K. Lal, D. Ackermand, F. Seifert in Contributions to Mineralogy and Petrology (1978)