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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

Verma, N and Sharma, A and Hallan, Vipin and Raja, Ram (2003) Detection, identification and incidence of Chrysanthemum B carlavirus in chrysanthemum in India. Crop Protection, 22. pp. 425-429.

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

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 , 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.

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.

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.

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.

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

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

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.

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.

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.

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