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Sood, Shweta and Nagar , P K (2008) Post-harvest alterations in polyamines and ethylene in two diverse rose species. Acta Physiologiae Plantarum, 30 (2). pp. 243-248.

Bhardwaj , R and Kaur, S and Nagar, P K and Arora, H K (2007) Isolation and characterization of brassinosteroids from immature seeds of Camellia sinensis (O) Kuntze. Plant Growth Regulation, 53 (1). pp. 1-5.

Sood, Shweta and Nagar, P K (2005) Alterations in endogenous polyamines in bulbs of tuberose (Polianthes tuberosa L.) during dormancy. Scientia Horticulturae, 105 (4). pp. 483-490.

Sood, S and Nagar, P K (2005) Xylem and Phloem Derived Polyamines during Flowering in Two Diverse Rose Species. Journal of Plant Growth Regulation, 24 (1). pp. 36-40.

Nagar , P K and Sood, S (2004) Advances in plant hormone receptors In: Advances in Plant Physiology Series, An Intrnational Treatise Series,(Ed.) Hemantranjan A,. Plant physiology, 7. pp. 383-400.

Sood, S and Nagar , P K (2004) Changes in endogenous polyamines during flower development in two diverse species of rose. Plant Growth Regulation, 44 (2). pp. 117-123.

Gupta, D and Bhardwaj , R and Nagar , P K and Kaur, S (2004) Isolation and characterization of brassinosteroids from leaves of Camellia sinensis (L.) O. Kuntze. Plant Growth Regulation, 43 (2). pp. 97-100.

Sood, Shweta and Nagar , P K (2003) Changes in abscisic acid and phenols during flower development in two diverse species of rose. Acta Physiology Plantarum, 28 (4). pp. 411-416.

Pandey, S and Prakash , Om and Nagar , P K (2003) On the photosynthetic studies in Cryptomeria japonica. Indian Journal of Plant Physiology, 8 (3). pp. 315-317.

Sood, S and Nagar , P K (2003) Studies on polyamines and leaf senescence in two diverse rose species. Plant Growth Regulation , 39 (2). pp. 155-160.

Sood, Shweta and Nagar , P K (2003) The effect of polyamines on leaf senescence in two diverse rose speciesN. Plant Growth Regulation, 39. pp. 155-160.

Pandey, S and Nagar , P K (2002) Leaf surface wetness and morphological characteristics of Valeriana jatamansi grown under open and shade habitats. Biologia Plantarum, 45 (2). pp. 291-294.

Vats, S K and Pandey, S and Nagar , P K (2002) Photosynthetic response to irradiance in Valeriana jatamansiJ.-a threatened understorey medicinal herb of western Himalayas. Photosynthetica, 40 (4). pp. 625-628.

Pandey, S and Nagar , P K (2002) An efficient liquid culture system for tea shoot proliferation. Biol.Plant, 45. pp. 291-4.

Godbole, S and Sood, A and Sharma, Madhu and Nagar , P K and Ahuja, Paramvir Singh (2004) Starch deposition and amylase accumulation during somatic embryogenesis in bamboo (Dendrocalamus hamiltonii ). Journal of Plant Physiology, 161 (2). pp. 245-248.

Thakur, R and Sood, A and Nagar , P K and Pandey, S and Sobti, R C and Ahuja, Paramvir Singh (2005) Regulation of growth of Lilium plantlets in liquid medium by application of paclobutrazol or ancymidol, for its amenability in a bioreactor system: growth parameters. Plant Cell Reports, 25 (5). pp. 382-391. ISSN 0721-7714

Bhattacharya, Amita and Nagar , P K and Ahuja, Paramvir Singh (2002) Seed development in Camellia sinensis (L.) O. Kuntze. Seed Science Research, 12 (1). pp. 39-46. ISSN 0960-2585

Bhattacharya, Amita and Nagar , P K and Ahuja, Paramvir Singh (2004) Changes in en dog e nous indole-3-ace tic acid and some bio chem i cal pa ram e ters dur ing seed de vel op ment in Ca mel lia sinensis (L.) O. Kuntze. Acta Physiologia Plantarum, 26 (4). pp. 399-404.

Sharma, P and Bhattacharya, Amita and Pandey, S and Nagar , P K and Ahuja, Paramvir Singh (2004) ABA associated biochemical changes during somatic embryo development in Camellia sinensis (L.) O. Kuntze. Journal of Plant Physiology, 161 (11). pp. 1269-1276.

Prakash, Om and Nagar , P K and Ahuja, Paramvir Singh (2001) Effect of auxins and phenolic acids on rooting of four and eight node cutting of tea (Camellia sinensis(L.)O.Kuntze). Journal of Plantation Crops , 29 (3). pp. 56-60.

Sharma , P and Pandey, S and Bhattacharya, Amita and Nagar , P K and Ahuja, Paramvir Singh (2004) Role of ABA and dessication tolerance ub tea simatic embryos. Indian Journa of Plant Physiology. pp. 661-665.

Bhattacharya, Amita and Saini, U and Sharma, P and Nagar , P K and Ahuja, Paramvir Singh (2006) Osmotin-regulated reserve accumulation and germination in genetically transformed tea somatic embryos: a step towards regulation of stress tolerance and seed recalcitrance. Seed Science Research, 16. pp. 203-211. ISSN 0960-2585

Pandey, S and Kumar, Sanjay and Nagar , P K (2003) Photosynthetic performance of Ginkgo biloba L. grown under high and low irradiance. Photosynthetica, 41 (4). pp. 505-511. ISSN 0300-3604