1. Singh, S., D. Dhyani, A.K. Yadav and S. Rajkumar, 2011. Flower colour variations in gerbera (Gerbera jamesonii) population using image analysis. Ind. J. Agir. Sci., 81: 1130-1136..
2. Shanmugam, V., R. Verma, S. Rajkumar and D.S. Naruka, 2011. Bacterial diversity and soil enzyme activity in diseased and disease free apple rhizosphere soils. Ann. Microbiol., 61: 765-772.
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3. Rajkumar, S., S.K. Singh, A. Nag and P.S. Ahuja, 2011. Genetic structure of Indian Valerian Valeriana jatamansi populations in western Himalaya revealed by AFLP. Biochem. Genetics, 49: 674-681.
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4. Nag, A., S. Chanda and S. Rajkumar, 2011. Estimation of nuclear genome size of important medicinal plant species from western Himalaya using flow cytometry. J. Cell. Plant Sci., 2: 19-23.
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5. Nag, A. and S. Rajkumar, 2011. Chromosome identification and karyotype analysis of Podophyllum hexandrum Roxb. ex Kunth using FISH. Physiol. Mol. Biol. Plants., 17: 313-316.
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6. Kumar, A., A. Chawla and S. Rajkumar, 2011. Characterisation of solang valley watershed in western Himalaya for bioresource conservation using remote sensing techniques. Environ. Monit. Assess., 179: 469-478.
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7. Grover, M., R. Kumar, T.K. Mondal and S. Rajkumar, 2011. Computational model for sustainable development. Indian J. Comput. Sci. Engin., 2: 55-60.
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8. Tiwari, J.K., Poonam, D. Sarkar, S.K. Pandey and J. Gopal et al., 2010. Molecular and morphological characterization of somatic hybrids between Solanum tuberosum L. and S. etuberosum Lindl. Plant Cell Tiss. Org. Cult., 103: 175-187.
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9. Singh, S.K., Gopichand, P.S. Ahuja and S. Rajkumar, 2010. Estimation of genetic diversity in Ginkgo biloba trees from Northwestern India using AFLP and microsatellite markers. J. Plant Gen, Transgenics, 1: 16-20.
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10. Rajkumar, S., S. Karthigeyan, R.K. Sud, R. Rajkumar and N. Muraleedaran et al., 2010. Genetic diversity of Indian tea (Camellia sinensis (L.) Kuntze ) germplasm detected using morphological characteristics. J. Cell. Plant Sci., 1: 13-22.
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11. Rajkumar, S. and P.S. Ahuja, 2010. Developmental adaptation of leaves in Podophyllum hexandrum for effective pollination and dispersal. Curr. Sci., 99: 1518-1519.
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12. Kumar, A., Meenakshi, L. Brij, S.K. Uniyal, A. Chawla and S. Rajkumar, 2010. HimFlorIS-an information system for flora in Himachal Pradesh, India. Curr. Sci., 99: 98-101.
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13. Chawla, A., A. Kumar, S. Rajkumar, R.D. Singh and A.K. Thukra et al., 2010. Correlation of multispectral satellite data with plant species diversity vis-a-vis soil characteristics in a landscape of Western Himalayan region, India. Applied Remote Sens., 1: 1-13..
14. Gulati, A., S. Rajkumar, S. Karthigeyan, R.K. Sud and D. Vijayan et al., 2009. Catechin and catechin fractions as biochemical markers to study the diversity of Indian tea (Camellia sinensis (L.) O. Kuntze) germplasm. Chem. Biodivers., 6: 1042-1052.
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15. Singh,S., D. Dhyani, S. Karthigeyan and S. Rajkumar, 2008. Karyomorphology of Incarvillea emodi and its phylogenetic position. Curr. Sci., 95: 454-454.
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16. Kharkwal, A., D. Singh, S. Rajkumar and P.S. Ahuja, 2008. Genetic variation within and among the populations of Podophyllum hexandrum Royle (Podophyllaceae) in Western Himalaya. Plant Genet. Resour. Newslett., 156: 67-71.
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17. Karthigeyan, S., S. Rajkumar, R.K. Sharma, A. Gulati and R.K. Sud et al., 2008. High level of genetic diversity between the selected accessions of Tea (Camellia sinensis (L. ) O. Kuntze ) from abandoned Tea gardens in Western Himalaya. Biochem. Genetics, 41: 810-819.
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18. Chawla, A., S. Rajkumar, K.N. Singh, B. Lal and R.D. Singh et al., 2008. Plant species diversity along an altitudinal gradient of Bhabha valley in Western Himalaya. J. Mountain. Sci., 5: 157-177.
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19. Rajkumar, S. and M.K. Janarthanam, 2007. Agasthiyamalaia (Clusiaceae), a new genus for Poeciloneuron pauciflorum, an endemic and endangered tree of Western Ghats, India. J. Bot. Res. Inst. Texas., 1: 129-133.
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20. Garg, A., M.P. Darokar, V. Sundaresan, U. Faridi, S. Luqman, S. Rajkumar and S.P.S. Khanuja, 2007. Anticancer activity of some medicinal plants from high altitutde evergreen elements of Indian Western Ghats. J. Res. Edu. Indian Med., 13: 1-6.
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21. Lal, B., K.N. Singh, A. Chawla and S. Rajkumar, 2006. Herniaria incana Lam.: Addition to the flora of Himachal Pradesh. J. Econ. Tax. Bot., 30: 694-696.
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22. Lal, B., A. Chawla, K.N. Singh and S. Rajkumar, 2006. Ecology and ethnobotany of Herniaria incana Lam-a lesser known taxon from Himachal Pradesh. Indian J. Forestry, 29: 187-189..
23. Shasany, A.K., A.K. Shukla, S. Gupta, S. Rajkumar and S.P.S. Khanuja, 2005. AFLP analysis for genetic relationships among Mentha species. Plant Genetic Resour. Newslett., 144: 14-19.
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24. Khanuja, S.P.S., A.K. Shasany, A. Pawar, R.K. Lal and M.P. Darokar et al., 2005. Essential oil constituents and RAPD markers to establish species relationship in Cymbopogon Spreng. (Poaceae). Biochem. Syst. Ecol., 33: 171-186.
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25. Sundaresan, V.S. Rajkumar, A.K. Shasany, M.P. Darokar and S.P.S. Khanuja, 2003. Revisiting taxonomic gaps in some medicinal plant species: Molecular aids to resolve phylogenetic status. J. Med. Arom. Pl., 25: 134-148..
26. Sundaresan, V., G.J. Jyothi, S. Rajkumar and V.S. Manickam, 2003. Symplocos kothiarensis: A new species from Southern Western Ghats, India. Sida, 20: 927-930..
27. Shasany, A.K., M.P. Darokar, D. Saika, S. Rajkumar, V. Sindaresan and S.P.S. Khanuja, 2003. Genetic diversity and species relationship in Asparagus spp. using RAPD analysis. J. Med. Aromatic Plant Sci., 25: 698-704.
28. Lal, N., A.K. Shasany, R.K. Lal, M.P. Darokar, S. Rajkumar, Sundaresan and S.P.S. Khanuja, 2003. Diversity analysis of vetiver (Vetiveria zizanioides) gene bank accessions using RAPD and AFLP analysis. J. Med. Aromat. Plant Sci., 25: 25-32.
29. Jain, N., A.K. Shasany, V. Sundaresan, S. Rajkumar and M.P. Darokar et al., 2003. Molecular diversity in Phyllanthus amarus assessed through RAPD analysis. Curr. Sci., 85: 1454-1458.
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30. Darokar, M.P., R. Rai, A.K. Gupta, A.K. Shasany and S. Rajkumar et al., 2003. Molecular assessemtn of germplasm diversity in Aloe species using RAPD and AFLP analysis. J. Med. Arom. Pl., 25: 354-361.
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31. Joshi, V.C., S. Rajkumar and M.K. Janarthanam, 2001. New records to the family Eriocaulaceae of Goa. J. Bombay Nat. Hist. Soc., 98: 155-156..
32. Joshi, V.C., S. Rajkumar and M.K. Janarthanam, 2001. Distribution of Oberonia brachyphylla Blatt. et McCann: A rare, endemic orchid of Western Ghats India. J. Bombay Nat. Hist. Soc., 98: 153-155.
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33. Janarthanam, M.K., V.C. Joshi and S. Rajkumar, 2000. Glyphochloa henryi-a new species of Poaceae from Goa. India Rheedea, 10: 99-102.
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34. Rajkumar, S., V.C. Joshi and M.K. Janarthanam, 1999. Additions to the Grasses of Goa. J. Bombay Nat. Hist. Soc., 96: 181-183..
35. Rajkumar, S., V.C. Joshi and M.K. Janarthanam, 1998. Additions to the sedges of Goa. J. Econ. Tax. Bot., 22: 688-690..
36. Joshi, V.C., S. Rajkumar and M.K. Janarthanam, 1997. Additions to the Dicotyledonous flora of Goa. J. Econ. Tax. Bot., 21: 495-506.