Negi, A and Rana, T and Kumar, Y and Hallan, Vipin and Zaidi , A A (2009) Molecular characterization of Apple stem grooving virus from Pome and stone fruits in India. journal of plant pathology, 91. p. 501.

Hallan, Vipin and Sherpa , A R and Pathak, P and Zaidi, A A (2006) Characterization of the Coat Protein Gene of Cymbidium mosaic virus Isolates from India. Journal of Phytopathology, 154 (5). pp. 275-280.

Kulshrestha, S and Hallan, Vipin and Raikhy, G and Raja, Ram and Verma, N and Singh , M Kumar and Zaidi, A A (2005) Detection and identification of Prunus necrotic ringspot virus in Pelargonium. Australasian Plant Pathology, 34. pp. 599-601. ISSN 0815-3191

Sharma , S and Singh , B and Rani , G and Zaidi , A A and Hallan , Vipin and Nagpal , A K and Virk , G S (2007) In vitro production of Indian citrus ringspot virus (ICRSV) free kinnow plants employing phytotherapy coupled with shoot tip grafting. In Vitro Cellular and Development Biology - Plant, 43 (3). pp. 254-259.

Sharma , S and Singh , B and Rani , G and Zaidi, A A and Hallan, Vipin and Nagpal , A K and Virk , G S (2008) In vitro production of Indian citrus ringspot virus (ICRSV) free kinnow plants employing phytotherapy coupled with shoot tip grafting. Plant Cell,Tissue And Organ Culture, 92. pp. 374-379. ISSN 0167-6857

Hallan, Vipin and Singh, L and Jabeen, N and Singh, A K and Ram, R and Martin, D P and Zaidi, A A (2007) Coat protein gene diversity among Chrysanthemum virus B isolates from India. Archives of Virology, 152. pp. 405-415.

Adekunle, O K and Kulshrestha, S and Prasad, R and Hallan, Vipin and Verma, N and Raikhy, G and Raja, Ram and Kumar, Sanjay and Zaidi, A A (2006) Plant parasitic and vector nematodes associated with Asiatic and Oriental hybrid lilies . Bioresource Technology, 97. pp. 364-371. ISSN 0960-8524

Kulshrestha, S and Hallan, Vipin and Raikhy, G and Adekunle, O K and Verma, N and Haq, Q M R and Zaidi, A A (2005) Reverse transcription polymerase chain reaction-based detection of Arabis mosaic virus and Strawberry latent ringspot virus in vector nematodes. Current Science, 89 (10). pp. 1759-1762. ISSN 0011-3891

Rana, T and Chandel, V and Hallan, Vipin and Zaidi, A A (2008) Characterisation of Apple chlorotic leaf spot virus infecting almonds in India. Australasian Plant Pathology, 3 (1). pp. 65-67. ISSN 0815-3191

Hallan, Vipin and Raikhy, G and kulshrestha, S and Sharma, M L and Raja, Ram and Zaidi, A A (2003) First report of Carnation necrotic fleck virus (CNFV) infecting carnations in India. Plant Pathology, 52. p. 801.

Katoch, M and Raja, Ram and Zaidi, A A (2002) Status of bean yellow mosaic virus on Gladiolus. Crop Protection, 21 (9). pp. 861-865.

katoch, M and Abdin, M Z and Raja, Ram and Zaidi, A A (2003) An overview of diagnostics for viruses infecting gladiolus. Crop Protection, 22 (1). pp. 153-156. ISSN 0261-2194

Katoch, M and Abdin, M Z and Zaidi, A A (2004) First report of Tobacco rattle virus occurring in gladiolus in India. Plant Pathology, 53 (2). p. 236.

Hallan, Vipin and Raikhy, G and Kulshrestha, S and Zaidi, A A (2007) Polyclonal Antibodies to the Coat Protein of Carnation etched ring virus Expressed in Bacterial System: Production and Use in Immunodiagnosis. Journal of Phytopathology, 155. pp. 616-622.

Hallan, Vipin and Sherpa, A R and Zaidi, A A (2004) CLONING AND SEQUENCING OF COAT PROTEIN GENE OF AN INDIAN ODONTOGLOSSUM RINGSPOT VIRUS ISOLATE. Acta Virologica, 48 (4). pp. 263-265.

Hallan, Vipin and Kulshrestha, S and Raikhy, G and Raja, Ram and Zaidi, A A (2006) Occurrenceo f Iris mild mosaicp otyvirus in cultivatedi ris in India. Journal of Biotechnology, 5. pp. 94-98.

Singh, A K and Mahinaghara, B K and Hallan, Vipin and Raja, Ram and Zaidi, A A (2008) Recombination and phylogeographical analysis of Lily symptomless virus. Virus Genes, 36 (2). pp. 421-427. ISSN 0920-8569

Singh , Bikram and Sharma, S and Rani , G and Hallan, Vipin and Zaidi, A A and Virk, G S and Nagpal, A (2008) In vitro micrografting for production of Indian citrus ringspot virus (ICRSV)-free plants of kinnow mandarin (Citrus nobilis Lour X C. deliciosa Tenora). Plant Biotechnology Reports, 2 (2). pp. 137-143. ISSN 1863-5466

Katoch, M and Raja, Ram and Zaidi, A A (2003) First report of Tobacco ringspot virus occurring in gladiolus in India. Plant Pathology, 52. p. 789.

Chandel, V and Rana, T and Kumar, Vipin and Hallan, Vipin and Zaidi , A A Stone Fruit Viruses: Economic Importance and Biotechnological Approaches Towards Management Strategies. Antibodies of Plant Virus, 3. pp. 58-88.

Kumar, Y and Hallan, Vipin and Zaidi, A A (2009) First finding of Freesia mosaic virus infecting freesia in India. Plant Pathology, 58. p. 404.

Singh, H P and Hallan, Vipin and Raikhy, G and Kulshrestha, S and Raja, Ram and Zaidi, A A (2005) Characterization of an Indian isolate of Carnation mottle virus (CarMV) infecting carnations. Current Science, 88 (4). pp. 594-601.

Singh , Bikram and Sharma , S and Rani , G and Virk , G S and Zaidi, A A and Nagpal , A (2006) In vitro flowering in embryogenic cultures of Kinnow mandarin (Citrus nobilis Lour x C. deliciosa Tenora). African Journal of Biotechnology, 5 (16). pp. 1470-1474.

Kumar, Y and Hallan, Vipin and Zaidi, A A (2009) Identification and Characterization of Bean yellow mosaic virus Infecting Freesia. Journal of Plant Biochemistry & Biotechnology, 18. pp. 253-255.

Kulshrestha, S and Hallan, Vipin and Raikhy, G and Raja, Ram and Zaidi, A A (2004) Strawberry latent ringspot virus Infecting Roses in India. Plant Disease, 88 (1). p. 86.

Singh , D and Pathania , M and Raja, Ram and Zaidi, A A and Verma , N (2010) Screening of chrysanthemum cultivars for Chrysanthemum stunt viroid in an Indian scenario. Archioves of Phytopathology and Plant Protection , 43 . pp. 1517-1523.

Singh, A K and Hallan, Vipin and Raja , Ram and Zaidi, A A (2005) Variability in the coat protein of Lily symptomless virus isolates infecting various lily species. Plant Pathology, 54 (5). pp. 621-624. ISSN 0032-0862

Rana, T and Chandel, V and Hallan, Vipin and Zaidi, A A (2007) Molecular evidence for Apple chlorotic leaf spot virus in wild and cultivated apricot in Himachal Pradesh, India. Journal of Plant Pathology, 89 (3). p. 572. ISSN 1125-4653

Raikhy, G and Hallan, Vipin and Kulshrestha, S and Raja, Ram and Zaidi, A A (2006) Multiplex PCR and genome analysis of Carnation mottle virus Indian isolate. Current Science, 90 (1). pp. 74-82. ISSN 0011-3891

Raikhy, G and Hallan, Vipin and Kulshrestha, S and Raja, Ram and Zaidi, A A (2006) Complete nucleotide sequence of an Indian isolate of Carnation etched ring virus and its homology with other caulimoviruses. Current Science, 90 (2). pp. 176-187. ISSN 0011-3891

Singh, A K and Hallan, Vipin and Verma, N and Zaidi, A A (2005) Natural occurrence of Lily symptomless virus on spider lily. Plant Pathology, 54 (2). p. 255. ISSN 0032-0862

Singh , Bikram and Sharma , S and Rani, G and Zaidi, A A and Hallan, Vipin and Nagpal, A and Virk , G S (2006) 136 In vitro Production of Indian citrus ringspot virus-free Plants of Kinnow Mandarin (Citrus nobilis LourxC. deliciosaTenora) by Nucellar Embryo Culture. Plant Pathology Journal, 5. pp. 274-282.

Ayman, O F and Hallan, Vipin and Kumar, Y and Zaidi, A A (2010) Molecular characterization of the phytoplasmas associated with toon trees and periwinkle in India. Journal of General Plant Pathology , 76 (5). pp. 351-354. ISSN 1345-2630

Kumar, Y and Bhardwaj , P and Hallan, Vipin and Zaidi, A A (2010) Detection and characterization of Ageratum enation virus and a nanovirus-like satellite DNA1 from zinnia causing leaf curl symptoms in India. Journal of General Plant Pathology , 76 (6). pp. 395-398. ISSN 1345-2630

CSIR-IHBT (2002) Identification of anti-viral activity of Tagetes minuta oil and its components. 09/765,075 (6,444,458).

Hallan, Vipin and Kulshrestha, S and Kumar, Amit and Raikhy, G and Raja, Ram and Garg, I.D. and Zaidi, A A (2004) MOLECULAR CHARACTERIZATION OF AN IRIS SEVERE MOSAIC VIRUS ISOLATE FROM INDIA. Acta Virologica, 48 (1). pp. 65-67.

Hallan, Vipin and Mehra, A and Lal, Brij and Negi, H R and Zaidi, A A (2005) Sorbaria tomentosa – a new natural host for Potato virus Y(PVY) (PVY). Plant Pathology, 54 (4). p. 572.

Zaidi, A A and Hallan, Vipin and Rana, T and Raikhy, G and Raja, Ram (2009) Viruses in ornamental crops and their management: an Indian scenario. Journal of Ornamental Horticulture, 12 (3). pp. 147-166.

Rana, T and Chandel, V and Hallan, Vipin and Zaidi, A A (2011) Expression of recombinant Apple chlorotic leaf spot virus coat protein in heterologous system: production and use in immunodiagnosis. Journal of Plant Biochemistry and Biotechnology, 20. pp. 138-141.

Singh, L and Hallan, Vipin and Raja, Ram and Zaidi, A A (2011) Expression of recombinant Chrysanthemum virus B coat protein for raising polyclonal antisera. Journal of Plant Biochemistry and Biotechnology, 20. pp. 96-101.

Sharma , A and Zaidi , A A and Sood, A and Sharma, Madhu and Vij , S P and Ahuja, Paramvir Singh (2005) Virus analysis of indigenous orchid germplasm collection. Journal of Orchid Society India, 19 (1-2). pp. 41-46.

Sherpa, A R and Bag, T K and Hallan, Vipin and Zaidi , A A (2007) Incidence of Cymbidium mosaic virus(CymMV) in Sikkim. Indian Phytopathology, 60 (1). pp. 133-136.

Zaidi , A A and Verma, N and Hallan, Vipin (2001) Orchid viruses- Detection and management. journal of Orchid Society of India , 15 (1-2). pp. 77-84.

Singh , Bikram and Sharma , S and Rani, G and Zaidi , A A and Hallan , Vipin and Nagpal , A and Virk , G S (2005) In-vitro production of Indian citrus ringspost virus-free plants of known manadarin (Citrus nobilis laur X C. deliciosa Tenora) by ovule culture. Journal of Plant Biotechnology, 7 (4). pp. 1-7.

Sharma , S and Singh , Bikram and Rani , G and Zaidi , A A and Hallan, Vipin and Virk , G S (2004) Current status of Indian citrus ringspot virus (ICRSV) in Kinnow orchards of Punjab and neighbouring states. International Journal of Bioscience Reporter , 2 (2). pp. 132-135.

Verma , N and Raja, Ram and Hallan , Vipin and Zaidi , A A (2004) Meristern tip culture of Product.Cucumber mosaic virus-free chrysanthemums. Australian Flower Undustry , 2 (2). p. 14.

Kulshrestha, S and Hallan, Vipin and Raikhy, G and Zaidi, A A (2010) DEVELOPMENT OF DIAGNOSTIC KIT AGAINST THE RECOMBINANT COAT PROTEIN OF PRUNUS NECROTIC RINGSPOT VIRUS. Journal of Prunus necrotic ringspot virus.

Mehra, A and Hallan, Vipin and Lal, Brij and Zaidi, A A (2006) Occurrence of Chilli veinal mottle virus in Himalayan butterfly bush ( Buddleja crispa ). Plant Pathology, 55 (2). p. 284.

Singh , M K and Sherpa, A R and Hallan, Vipin and Zaidi , A A (2007) A potyvirus in Cymbidium spp.In northern India. Australasian Plant Pathology, 2. pp. 11-13.

csir, ihbt (2010) Development of diagnostic kit for the detection of chrysanthemum virus B. 12/191,862 (7,803,526).

Verma, N and Raja, Ram and Zaidi , A A (2005) In vitro production of Prunus necrotic ringspot virus-free begonias through chemo- and thermotherapy. Science Horticulture, 103. pp. 239-247.

Zaidi , A A and Hallan, Vipin and Rana, T and Raikhy, G and Raja, Ram (2010) Virus in ornamental crops and their management an: Indian. Journal of Ornamental Horticulture, 12 (3). pp. 147-166.

Negi, A and Rana, T and Kumar, Y and Hallan, Vipin and Zaidi , A A (2009) FIRST REPORT OF APPLE STEM GROOVING VIRUS FROM POME AND STONE FRUITS IN INDIA. Journal of Plant Pathology, 91 (2). p. 501.

Rana, T and Chandel, V and Hallan, Vipin and Zaidi , A A Scenario of Viruses on Apple and their Management: An Indian Prespective. Antibodies of Planr Virus, 22. pp. 426-478.

Walia, Y and Dhir, S and Bhadoria, S and Hallan, Vipin and Zaidi , A A (2012) Molecular characterization of Apple scar skin viroid from Himalayan wild cherry. Forest Pathology, 42. pp. 84-87.

Lakshmi, Vijay and Hallan, Vipin and Raja, Ram and Ahmed, N and Zaidi , A A (2011) Diversity of Apple mosaic virus Isolates in India Based on Coat Protein and Movement Protein Genes. Indian Journal of Virol, 22 (1). pp. 44-49.

Singh, L and Hallan, Vipin and Zaidi , A A (2011) Intermolecular Interactions of Chrysanthemum virus B Coat Protein: Implications for Capsid Assembly. Indian Journal of Virol, 22 (2). pp. 111-116.

csir, ihbt (2009) DEVELOPMENT DIAGNOSTIC KIT FOR THE DETECTION OF CHRYSANTHEMUM VIRUS B. 1982/DEL/2005.

Walia, Y and Dhir, S and Bhadoria, S and Hallan, Vipin and Zaidi , A A Molecular characterization of Apple scar skin viroid from Himalayan wild cherry. Forest Pathology, 42 (1). pp. 84-87.

Zaim, M and Kumar, Y and Hallan, Vipin and Zaidi , A A (2011) Application of betaine improves solution uptake and in vitro shoot multiplication in tea. Virus Genus, 43 (1). pp. 138-146.

Zaim , M and Kumar , Y and Hallan , Vipin and Zaidi , A A (2011) Velvet bean severe mosaic virus: a distinct begomovirus species causing severe mosaic in Mucuna pruriens (L.) DC. Virus Genes, 43 (1). pp. 138-146.

Kumar, Y and Hallan, Vipin and Zaidi , A A (2011) Chilli leaf curl Palampur virus is a distinct begomovirus species associated with a betasatellite. Plant Pathology, 60 (6). pp. 1040-1047.

Singh, L and Hallan, Vipin and Martin, D P and Raja, Ram and Zaidi , A A (2012) Genomic sequence analysis of four new chrysanthemum virus B isolates: evidence of RNA recombination. Archives of Virology, 157. pp. 531-537.

Sherpa, A R and Hallan, Vipin and Zaidi , A A (2012) In Vitro Expression and Production of Antibody Against Cymbidium mosaic virus Coat Protein. Indian Journal of Virology, 23 (1). pp. 46-49.

Rana , T and Chandel, V and Kumar, Y and Raja, Ram and Hallan , Vipin and Zaidi, A A (2010) Analysis of molecular variability of the capsid protein of Apple chlorotic leaf spot virus. Journal of Bioscience, 34 (4). pp. 605-615.

Negi, A and Rana, T and Kumar, Y and Hallan, Vipin and Raja, Ram and Zaidi, A A (2010) Analysis of the Coat Protein Gene of Indian Strain of Apple Stem Grooving Virus. Journal of Plant Biochemistry and Biotechnology, 19 (1). pp. 91-94.

Verma, N and Mahinaghara, B K and Raja, Ram and Zaidi, A A (2006) Coat protein sequence shows that Cucumber mosaic virus isolate from geraniums (Pelargonium spp.) belongs to subgroup II. Journal of Biosource, 31 (1). pp. 47-54. ISSN 0250-5991

Sherpa, A R and Hallan, Vipin and Pathak, P and Zaidi, A A (2008) Complete nucleotide sequence analysis of Cymbidium mosaic virus Indian isolate: further evidence for natural recombination among potexviruses. Journal of Biosource, 34 (4). pp. 663-669. ISSN 0250-5991

Noorani, M S and Awasthi, P and Singh , R M and Raja, Ram and Sharma, M P and Singh, S R and Hallan, Vipin and Ahmed, N and Zaidi, A A (2010) Complete nucleotide sequence of cherry virus A (CVA) infecting sweet cherry in India. Archives of Virology, 155 (12). pp. 2079-2082.

Rana, T and Hallan, Vipin and Chandel, V and Zaidi, A A (2008) Cydonia oblonga as reservoir of Apple chlorotic leaf spot virus in India. Plant Pathology, 57 (2). p. 393.

Verma, N and Hallan, Vipin and Raja, Ram and Zaidi, A A (2002) Detection of Prunus necrotic ringspot virus in begonia by RT-PCR. Plant Pathology, 51. p. 800. ISSN 0032-0862

Kumar, S and Singh, R M and Raja, Ram and Badyal, J and Hallan, Vipin and Zaidi , A A and Verma, A (2012) Determination of Major Viral and Sub Viral Pathogens Incidence in Apple Orchards in Himachal Pradesh. Indian Journal of Virology, 23 (1). pp. 75-79.

Lakshmi, Vijay and Hallan, Vipin and Raja, Ram and Ahmed, N and Zaidi , A A and Varma, A (2011) Diversity of Apple mosaic virus Isolates in India Based on Coat Protein and Movement Protein Genes. Indian J. Virol., 22 (1). pp. 44-49.

Chandel, V and Hallan, Vipin and Singh, M Kumar and Zaidi, A A (2010) Evidence for the occurrence of a distinct potyvirus on naturally growing Narcissus tazetta. Archieves of Phytopathology and Plant Protection, 43 (3). pp. 209-214.

Hallan, Vipin and Sherpa, A R and Raja, Ram and Zaidi, A A (2003) First report of Cymbidium mosaic virus (CymMV) in orchids from India. Plant Pathology, 52 (6). p. 788. ISSN 0032-0862

Singh , L and Hallan, Vipin and Martin, D P and Raja, Ram and Zaidi , A A (2012) Genomic sequence analysis of four new chrysanthemum virus B isolates: evidence of RNA recombination. Arch Virol, 157. pp. 531-537.

Rana, T and Hallan, Vipin and Chandel, V and Zaidi, A A (2008) Himalayan wild cherry (Prunus cerasoides D. Don): A new host of Apple chlorotic leaf spot virus. Forest Pathology, 38 (2). pp. 73-77. ISSN 1437-4781

Sharma, A and Mahinaghara, B K and Singh, A K and Kulshrestha, S and Raikhy, G and Singh, L and Hallan, Vipin and Verma, N and Raja, Ram and Zaidi, A A (2005) Identification, detection and frequency of lily viruses in Northern India. Scientia Horticulturae, 106 (2). pp. 213-227.

Chandel, V and Rana, T and Thakur, P D and Hallan, Vipin and Handa, A and Zaidi, A A (2008) Incidence of Prunus necrotic ring spot virus on Malus domestica in India. Journal of Phytopathology, 156 (6). pp. 382-384.

Raja, Ram and Verma, N and Singh, L and Hallan, Vipin and Singh, A K and Zaidi, A A (2005) Indexing and production of virus-free chrysanthemums. Biologia Plantarum, 49. pp. 149-152.

Rana , T and Chandel , V and Hallan, Vipin and Zaidi, A A (2007) Molecular evidence for Apple chlorotic leaf spot virus in wild and cultivated apricot in Himachal Pradesh, India. Autralasian Plant Disease Notes, 89. p. 572.

Walia, Y and Kumar, Y and Rana, T and Thakur, P D and Sharma, U and Raja, Ram and Hallan, Vipin and Zaidi, A A (2009) Molecular characterization and variability analysis of Apple scar skin viroid in India. Journal of General Plant Pathology, 75. pp. 307-311.

Hallan, Vipin and Kumar, Y and Zaidi, A A (2008) Molecular characterization of a distinct bipartite begomovirus species infecting tomato in India. Virus Genes, 37 (3). pp. 425-431.

Rana, T and Negi, A and Dhir, S and Thockchom, Tombisana and Chandel, V and Walia, Y and Singh, Rahul Mohan and Raja, Ram and Hallan, Vipin and Zaidi, A A (2012) Molecular diagnosis of apple virus and viroid pathogens from India. Archives of Phytopathology and Plant Protection, 44 (6). pp. 505-512.

Rana, T and Hallan, Vipin and Chandel, V and Zaidi, A A (2008) Molecular evidence for the presence of Apple chlorotic leaf spot virus in infected peach trees in India. Scientia Horticulturae, 120 (2). pp. 296-299. ISSN 0304-4238

Rana, T and Chandel, V and Kumar, Y and Hallan, Vipin and Raja, Ram and Zaidi, A A (2010) Molecular variability analyses of Apple chlorotic leaf spot virus capsid protein. Journal of Biosciences, 35. 605 -615.

Chandel, V and Hallan, Vipin and Kulshrestha, S and Zaidi, A A (2006) Natural infection of Ornithogalum mosaic virus on Iris from India. Plant Pathology, 55 (2). p. 284. ISSN 0032-0862

Verma, N and Singh, A K and Singh, L and Kulshrestha, S and Hallan, Vipin and Raja, Ram and Zaidi, A A and Raikhy, G (2004) Occurrence of Cucumber mosaic virus in Gerbera jamesonii in India. Plant Disease , 88 (10). p. 1161.

Chandel, V and Hallan, Vipin and Rana, T and Zaidi, A A (2008) Occurrence of Prunus necrotic ringspot virus on nectarine (Prunus persica) in India. European Plant Protection Organization (EPPO) Bulletin, 38. pp. 223-225.

Verma, N and Singh, L and Singh, A K and Kulshrestha, S and Hallan, Vipin and Raikhy, G and Raja, Ram and Zaidi, A A (2005) Ornithogalum: a new host of Cucumber mosaic virus (CMV) from India. Plant Pathology, 54. p. 256.

Verma, N and Raja, Ram and Hallan, Vipin and Kumar, K and Zaidi, A A (2004) Production of Cucumber mosaic virus-free chrysanthemums by meristem tip culture. Crop Protection, 23 (5). pp. 469-473. ISSN 0261-2194

Verma, N and Mehra, A and Singh, L and Hallan, Vipin and Singh, A K and Jabeen, N and Singh, M K and Raja, Ram and Zaidi, A A (2007) Screening for viruses infecting chrysanthemum cultivars in India. Scientia Horticulture, 111 (3). pp. 260-265. ISSN 0304-4238