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Naidu Rayapati

Naidu Rayapati

Director, Prosser IAREC & CAHNRS Asst. Dean for WSU Tri-CitiesProfessor, Virology 509-786-9215 http://wine.wsu.edu/research-extension/plant-health/virology/

Research Specialty and Interests

Virus diseases of horticultural, vegetable and food crops.  Virus characterization, diagnostics, plant-virus-vector interactions, development of integrated crop improvement strategies, virus diseases in international agriculture and capacity building in developing countries.  Current focus is on virus diseases of grapevinesand vegetables.

Professional Experience

  • Associate Professor, Department of Plant Pathology, 2011-Present
  • Assistant Professor, Department of Plant Pathology, 2004-2011
  • Research Associate, The University of Georgia, Athens, 1999-2004
  • Consultant Virologist, Crop Protection Program, Department For International Development, United Kingdom, 1988-1999
  • Scientist, Senior Scientist (Virology), Crop Protection Program, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), India/Malawi, 1992-1998
  • Post-Doctoral Research Fellow, Department of Plant Pathology, University of Kentucky, Lexington, 1989-1992
  • Post-Doctoral Fellow, ICRISAT, India, 1987-1989

Awads/Honors/Memberships

 International:

  1. International IPM Excellence Team Award, The 6th International IPM Symposium (2009).
  2. International Service Award, American Phytopathological Society (2007).

Industry:

Washington Association of Wine Grape Growers Annual Meeting, Convention and Trade Show

2017

Professional Category

Second Prize

The complete genome sequence of Grapevine leafroll-associated virus 1 for practical applications in vineyards.

Sridhar Jarugula, Bhanupriya Donda and Naidu Rayapati.

Professional Category

Third Prize

Double whammy: Impacts of grapevine leafroll and red blotch diseases in commercial vineyards.

Prashant Swamy, Sridhar Jarugula, and Naidu Rayapati.

2016

Undergraduate Student Category

First Prize

Gambling with Grafting: Do’s and Don’ts.

Daniel Hottell, Melinda Garza, Carina Ocampo, Basavaraj Bagewadi, Prashant Swamy and Naidu Rayapati

Professional Category

Second Prize

Tackling emerging soil-borne virus diseases in Washington vineyards.

Naidu Rayapati, Nagateja Natra, Segun Akinbade, Basavaraj Bagewadi, Prashant Swamy, Jati Adiputra, Daniel Hottell, Melinda Garza, Carina Ocampo and Andrew Schultz.

2015

Undergraduate Student Category

Second Prize

A new soil-borne virus disease in Washington vineyards

Leslie Walker, Basavaraj Bagewadi, Prashant Swamy, Andrew Schultz and Naidu Rayapati

Professional Category

First Prize

Is ‘Grape Virus Tax’ Hitting Your Pocketbooks?

Trent Ball, Ray Folwell, Doug Walsh and Naidu Rayapati

2014

Undergraduate Student Category

Second Prize

Studies on grapevine red blotch disease in Washington vineyards.

Jarrod Pack, Basavaraj Bagewadi and Naidu Rayapati

Graduate Student Category

Third Prize

The threat of grapevine leafroll disease to ‘clean’ plantings in Washington vineyards

Bhanu Donda and Naidu A Rayapati

2013

Graduate Student Category

First Prize

A new virus disease threatening Washington vineyards.

Sudarsana Poojari, Olufemi J. Alabi, Naidu A Rayapati

2012

Undergraduate Student Category

First Prize

Studies on epidemiology of the grapevine leafroll disease.

Elizabeth L. Jones, Olufemi Alabi, Sudarsana Poojari, Sridhar Jarugula and Naidu Rayapati

Third Prize

Temporal and spatial spread of the grapevine leafroll disease in Washington vineyards.

Andrew Schultz and Naidu Rayapati

Professional Category

Second Prize

Grape virology program advancing prosperity of the grape and wine industry in Washington State.

Naidu Rayapati

Third Prize

Insights on photosynthesis physiology of Merlot grapevines (Vitis vinifera) affected by grapevine leafroll disease.

Linga Gutha, Olufemi Alabi and Naidu Rayapati

2011

Undergraduate Student Category

First Prize

Studies on epidemiology of the grapevine leafroll disease.

Elizabeth Swanson, Olufemi Alabi and Naidu Rayapati

Second Prize

Epidemiology of the grapevine leafroll disease in Washington vineyards.

Andrew Schultz and Naidu Rayapati

Graduate Student Category

First Prize

Development of highly sensitive molecular diagnostic assays for the detection of grapevine leafroll associated viruses.

Sudarsana Poojari, Patricia Okubara, Olufemi Alabi and Naidu Rayapati

Second Prize

Know thy enemy: Recreating a virus for R&D applications in grape virology.

Sridhar Jarugula, Siddarame Gowda, William Dawson and Naidu Rayapati

Professional Category

First Prize

Impacts of grapevine leafroll disease on an own-rooted wine grape cultivar.

Olufemi Alabi, Linga Gutha, Luis Casassa, James Harbertson, Maria Mireles, Joan Davenport and Naidu Rayapati

Third Prize

Understanding genetic diversity among grapevine viruses helps to develop robust diagnostics and sound management strategies.

Naidu Rayapati, Olufemi Alabi, Sridhar Jarugula, Linga Gutha, Tefera Mekuria, Sudarsana Poojari and Robert Martin

2010

Undergraduate Student Category

Second Prize

Epidemiology of the grapevine leafroll disease in Washington vineyards.

Andrew Schultz and Naidu Rayapati

Professional Category

Third Prize

The epidemiology of grapevine leafroll disease in Washington State vineyards.

Olufemi Alabi, Tefera Mekuria, Gandhi Karthikeyan, Sridhar Jarugula, Sudarsana Poojari, Doug Walsh and Naidu Rayapati

2008

Professional Category

First Prize

An update on the occurrence of grapevine viruses in Washington State vineyards.

Tefera Mekuria, Gandhi Karthikeyan, Jarugula Sridhar, Olufemi Alabi and Naidu Rayapati

2007

Graduate Student Category

First Prize

Many combinations of grapevine viruses are present in Washington State vineyards

Marilyn Soule, Sridhar Jarugula, Olufemi Alabi, Punsasi Rajakaruna, and Naidu Rayapati

Professional Category

First Prize

Grapevine leafroll disease in Washington State vineyards.

Naidu Rayapati and Marilyn Soule

Memberships:

  1. Member, The American Phytopathological Society
  2. Member, The American Society for Virology
  3. Member, American Society for Enology and Viticulture
  4. Member, The American Entomological Society

 Peer-reviewed Publications (since 2005)

Research articles

  1. Donda, B. P., Jarugula, S., and Naidu, R. A. 2017. An analysis of the complete genome sequence and subgenomic mRNAs reveals unique features of the ampelovirus, Grapevine leafroll-associated virus 1. Phytopathology (In press).
  2. Szostek, S.A., Rodriguez, P., Sanchez, J., Adkins, S., and Naidu, R.A. Western flower thrips can transmit Tomato spotted wilt virus from virus-infected tomato fruits. Plant Health Progress 18: 1-6.
  3. Marshall, S.H., Adegbola, R.O., Adkins, S., and Naidu, R.A. An efficient and high fidelity method for amplification, cloning and sequencing of complete tospovirus genomic RNA segments. Journal of Virological Methods 242: 22-26.
  4. Poojari, S., Alabi, O.J., Okubara, P.A. and Naidu, R.A. SYBR® Green-based real-time quantitative reverse-transcription PCR for detection and discrimination of grapevine viruses. Journal of Virological Methods 235: 112–118.
  5. Alabi, O.J., Casassa, L.F., Gutha, L.R., Larsen, R.C., Henick-Kling, T., Harbertson, J.F., and Naidu, R.A. 2016. Impacts of grapevine leafroll disease on fruit yield and grape and wine chemistry in a wine grape (Vitis vinifera) cultivar. PLoS ONE 11: e0149666.
  6. Naidu, R.A., Maree, H.J., and Burger, J. 2015. Grapevine leafroll disease and associated viruses – A unique pathosystem. Annual Review of Phytopathology 53:613-634.
  7. Jones, T.J., Naidu, R.A., and Nita, M. 2015. Occurrence of Grapevine leafroll associated virus–2, −3 and Grapevine fleck virus in Virginia, U.S.A., and factors affecting virus infected vines. European Journal of Plant Pathology 142: 209-222.
  8. Naidu, R.A., Rowhani, A., Fuchs, M., Golino, D., and Martelli, G.P. 2014. Grapevine leafroll: A complex viral disease affecting a high-value fruit crop. Plant Disease 98:1172-1185.
  9. Alabi, O. J., Al Rwahnih, M., Mekuria, T. A., and Naidu, R. A. Genetic diversity of Grapevine virus A in Washington and California vineyards. Phytopathology 104 (in press).
  10. Poojari, S., Alabi, O.J., and Naidu, R.A. 2013. Molecular characterization and impacts of a strain of Grapevine leafroll-associated virus 2 causing asymptomatic infection in a wine grape cultivar. Virology Journal 10:324.
  11. Poojari, S., Alabi, O.J., Fofanov, V.Y., and Naidu, R.A. Transmissible DNA virus with novel evolutionary lineage in the family Geminiviridae implicated in grapevine redleaf disease by next-generation sequencing. PLoS ONE 8(6): e64194. (Correction: A leafhopper-transmissible DNA virus with novel evolutionary lineage in the family Geminiviridae implicated in grapevine redleaf disease by next-generation sequencing. PLoS ONE 11(1): e0147510, 2016).
  12. Maree, H.J., Almeida, R.P., Bester, R., Chooi, K., Cohen, D., Dolja, V.V., Fuchs, M.F., Golino, D.A., Jooste, A.E., Martelli, G.P., Naidu, R.A., Rowhani, A., Saldarelli, P., and Burger, J. 2013. Grapevine leafroll-associated virus 3. Frontiers in Microbiology. 4: (Review)
  13. Alabi, O.J., Poojari, S., Sarver, K., Martin, R.R., and Naidu, R.A. 2013. Complete Genome Sequence Analysis of an American isolate of Grapevine virus E. Virus Genes 46:563–566.
  14. Bahder , B.W., Naidu , R.A., Daane , K.M., Millar , J.G., and Walsh, D.B. 2013. Pheromone-based monitoring of Pseudococcus maritimus (Hemiptera: Pseudococcidae) populations in Concord grape Journal of Economic Entomology 106:482-490.
  15. Bahder, B. W., Alabi, O.J., Poojari, S., Walsh, D. B., and Naidu, R. A. 2013. A survey for grapevine viruses in Washington State ‘Concord’ (Vitis x labruscana ) vineyards. Online. Plant Health Progress doi:10.1094/PHP-2013-0805-01-RS.
  16. Eni, A.O., Lava Kumar, P., Asiedu, R., Alabi, O.J., Naidu, R.A., Hughes, J. d’A., and Rey, M.E.C. 2013. Characterization of Cucumber mosaic virus isolated from yam (Dioscorea ) in West Africa. African Journal of Biotechnology 12: 3472-3480.
  17. Alabi, O.J., Zheng, Y., Jagadeeswaran, G., Sunkar, R., and Naidu, R.A. High-throughput sequence analysis of small RNAs in grapevine (Vitis viniferaL.) affected by grapevine leafroll disease. Molecular Plant Pathology 13: 1060-1076.
  18. Alabi, O. J., Al Rwahnih, M., Karthikeyan, G., Poojari, S., Fuchs, M., Rowhani, A., and Naidu, R. A. 2011. Grapevine leafroll-associated virus 1 occurs as genetically diverse populations. Phytopathology 101: 1446-1456.
  19. Lava Kumar, P., Hanna, R., Alabi, O.J., Soko, M., Oben, T.T., Vangu, G.H.P., and Naidu, R.A. 2011. Banana bunchy top virus in sub-Saharan Africa: investigations on virus distribution and diversity. Virus Research 159: 171-182.
  20. Alabi, O. J., Kumar, P. L., and Naidu, R. A. 201 Cassava mosaic disease: A curse to food security in Sub-Saharan Africa. Online. APSnet Features. doi:10.1094/APSnetFeature-2011-0701.
  21. Kunkalikar, S.R., Sudarsana, , Bhanupriya M., Rajagopalan, P.A., Chen, T-C., Yeh, S- D., Naidu, R.A., Zehr, U.B., and Ravi, K.S. 2011. Importance and genetic diversity of vegetable-infecting tospoviruses in India. Phytopathology 101: 367-376.
  22. Gutha, L.R., Casassa, L.F., Harbertson, J.F., and Naidu, R.A. 2010. Modulation of flavonoid biosynthetic pathway genes and anthocyanins due to virus infection in grapevine (Vitis vinifera ) leaves. BMC Plant Biology 2010, 10:187.
  23. Jarugula, S., Gowda, S., Dawson, W.O., and Naidu, R.A. 3′-coterminal subgenomic RNAs and putative cis-acting elements of Grapevine leafroll-associated virus 3 reveals ‘unique’ features of gene expression strategy in the genus Ampelovirus. Virology Journal 2010. 7:180.
  24. Jarugula, S., Alabi, O.J., Martin, R.R., and Naidu, R.A. 2010. Genetic variability of natural populations of Grapevine leafroll-associated virus-2 in Pacific Northwest vineyards. Phytopathology 100:698-707.
  25. Alabi, O.J., Martin, R.R., and Naidu, R.A. Sequence diversity, population genetics and potential recombination events in Grapevine rupestris stem pitting-associated virus in Pacific Northwest Vineyards. Journal of General Virology 91: 265-276.
  26. Alabi, O.J., Lavakumar, P., Mgbechi-Ezeri, J.U., and Naidu, R.A. Two new ‘legumoviruses’ (genus Begomovirus) naturally infecting soybean in Nigeria. Archives of Virology 155:643–656.
  27. Mekuria, T.A., Gutha, L.R., Martin, R.R. and Naidu, R.A. Genome diversity and intra- and interspecies recombination events in Grapevine fanleaf virus. Phytopathology 99:1394-1402.
  28. Naidu, R.A., Perry, E.M., Pierce, F.J. and Mekuria, T. 2009. The potential of spectral reflectance technique for detecting Grapevine leafroll-associated virus-3 in two red-berried wine grape cultivars. Computers and Electronics in Agriculture 66: 38-45.
  29. Goodin, M.M., Zaitlin, D., Naidu, R.A. and Lommel, S.A. 2008. Nicotiana benthamiana: its history and future as a model for plant–pathogen interactions. Molecular Plant-Microbe Interactions 21: 1015-1026. (Review)
  30. Naidu, R.A., Sherwood, J.L. and Deom, C.M. 2008. Characterization of a vector non-transmissible isolate of Tomato spotted wilt virus. Plant Pathology 57: 190-200 (featured on the cover page of the 2008 February issue of Plant Pathology).
  31. Alabi, O.J., Lava Kumar, P., and Naidu, R.A. 2008. Multiplex PCR method for the detection of African cassava mosaic virus and East African cassava mosaic Cameroon virus in cassava. Journal of Virological Methods 154: 111-120.
  32. Alabi, O.J., Ogbe, F.O., Bandyopadhyay, R., Lava Kumar, P., Dixon, A.G.O., Jaqueline d’A. Hughes, J.d’A., and Naidu, R.A. 2008. Alternate hosts of African cassava mosaic virus and East African cassava mosaic Cameroon virus in Nigeria. Archives of Virology 153: 1743-1747.
  33. Naidu, R.A., Sherwood, J.L., and Deom, C.M. 2008. Characterization of a vector non-transmissible isolate of Tomato spotted wilt virus. Plant Pathology 57: 190-200 (featured on the cover page of the 2008 February issue of Plant Pathology).
  34. Naidu, R.A. and Kimmins, F.M. 2007. The effect of Groundnut rosette assistor virus on the agronomic performance of four groundnut (Arachis hypogaea) genotypes. Journal of Phytopathology 155: 350-356.

Disease Notes/Briefs

  1. de Jensen, C.E., Badillo-Vargas, I.E., Frantz, G., Mellinger, H.C., Turechek, W.W., Hutton, S.F., Funderburk, J.E., Naidu, R.A., and Adkins, S. 2017. First report ofTomato chlorotic spot virus in the non-solanaceous weeds erect spiderling (Boerhavia erecta), asian spiderflower (Cleome viscosa), and sweet chili pepper (Capsicum chinense) in Puerto Rico.  Plant Health Progress 18: 17-18.
  2. Adegbola,O., Fulmer,A.M., Williams, B., Brenneman, T.B., Kemerait, R.C., Sheard, W., Woodward, J.E., Adkins, S., and Naidu, R.A. 2016. First report of the natural occurrence of Tomato chlorotic spot virus in peanuts in Haiti. Plant Disease 100: 1797.
  3. Chikh Ali, M., Naidu, R.A., and Karasev, A.V. First report of Potato virus Y(PVY) strain PVYC associated with a tomato disease in Kenya. Plant Disease 100: 864.
  4. Bagewadi, B. and Naidu, R.A. 2016. First report of Tomato yellow leaf curl Kanchanaburi virus in eggplant and tomato in Cambodia. Plant Disease 100: 233.
  5. Walker,, Bagewadi, B., Schultz, A., and Naidu, R.A. 2015. First report of Tobacco ringspot virus associated with fanleaf disease in a Washington State vineyard. Plant Disease 99:1286.
  6. Nagendran, K., Balaji, C.G., Mohankumar, S., Manoranjitham, S.K., Naidu, R.A., and Karthikeyan, G. 2015. First Report of Zucchini yellow mosaic virusin Snake Gourd (Trichosanthes cucumerina) in India. Plant Disease 99: 558.
  7. Nagendran, K., Aravintharaj, R., Mohankumar, S., Manoranjitham, S.K., Naidu, R.A., and Karthikeyan, G. 2015. First Report of Cucumber green mottle mosaic virus in Snake Gourd (Trichosanthes cucumerina) in India. Plant Disease 99:559.
  8. Basawaraj, B., Hossain, Md. S., Fayad, A., and Naidu, R.A. 2015. First report of Cucumber mosaic virus from eggplant (Solanum melongena) in Bangladesh. Plant Disease 99:293.
  9. Martinez, R.T., Poojari, S., Tolin, S.A., Cayetano, X., Naidu, R.A. 2014. First report of Tomato spotted wilt virus in peppers and tomato in Dominican Republic. Plant Disease 98: 163.
  10. Damayanti, T.A., Alabi, O.J., Hidayat, S.H., Crosslin, J.M., and Naidu, R.A. First report of Potato virus Y in Potato in West Java, Indonesia. Plant Disease 98: 287.
  11. Martinez, R.T., Poojari, S., Tolin, S.A., Cayetano, X., and Naidu, R.A. First report of Tomato spotted wilt virus in peppers and tomato in Dominican Republic. Plant Disease 98: 163.
  12. Poojari, S., and Naidu, R.A. First report of Impatiens necrotic spot virus (INSV) infecting basil (Oscimum basilicum L.) in the United States. Plant Disease 97: 850.
  13. Alabi, O.J., Crosslin, J.M., Saidov, N., and Naidu, R.A. First Report of Potato virus Y in Potato in Tajikistan. Plant Disease 96: 1074.
  14. Kanuya, E., Clayton, L.A., Naidu, R.A., and Karasev, A.V. 2012. First report of Grapevine fleck virus in Idaho wine grapes. Plant Disease 96: 1705.
  15. Alabi, O.J., Saidov, N., Muniappan, R., and Naidu, R.A. First report of Iris yellow spot virus in onion in Tajikistan. New Disease Reports 26: 28.
  16. Karthikeyan, , Alabi, O.J., and Naidu, R.A. 2011. Occurrence of Grapevine leafroll- associated virus 1 in two ornamental grapevine cultivars in Washington State. Plant Disease 95: 613.
  17. Naidu, R.A. and Mekuria, T.A. First report of Grapevine fleck virus from Washington vineyards. Plant Disease, 94: 784.
  18. Mekuria, T.A., and Naidu, R.A. First report of grapevine virus sequences highly similar to Grapevine Syrah virus-1 from Washington vineyards Plant Disease, Vol. 94, No. 6: 787.
  19. Damayanthi, T.A., Alabi, O.J., Rauf, A., and Naidu, R.A. The occurrence of Bean common mosaic virus and Cucumber mosaic virus in yardlong beans in Indonesia. Plant Disease.94: 478.
  20. Mekuria, T.A., Karasev, A.V., Martin, R.R., and Naidu, R.A. First report of Grapevine leafroll-associated virus-3 in six wine grape cultivars in Idaho. Plant Disease 93:1218.
  21. Oben, T.T., Hanna, R., Ngeve, J., Alabi, O.J., Naidu, R.A., and Lava Kumar, P. 2009. Occurrence of banana bunchy top disease caused by the Banana bunchy top virus on banana and plantain (Musa) in Cameroon. Plant Disease 93: 1076.
  22. Damayanti, T.A., and Naidu R.A. Identification of Peanut bud necrosis virusand Tomato spotted wilt virus in Indonesia for the first time. Plant Pathology 58: 782.
  23. Naidu, R.A., and Karthikeyan, G. First report of Wisteria vein mosaic virus in Wisteria sinensis in the United States of America. Online. Plant Health Progress. doi:10.1094/PHP-2008-0818-01-BR.
  24. Naidu, R.A., G. Karthikeyan, G., Jarugula, S., Nelson, M., and Morrell, A. 2008. First report of the natural infection of Coreopsis auriculata ‘Nana’ with Lettuce mosaic virus in the United States of America. Plant Disease 92: 486.
  25. Jarugula, S., Soule, M.J., Rowhani, A., and Naidu, R.A. First report of Grapevine leafroll-associated virus-9 in Washington State vineyards. Plant Disease 92: 485.
  26. Mekuria, T., Martin, R.R., and Naidu, R. A. First report of the occurrence of Grapevine fanleaf virus in Washington State vineyards. Plant Disease 92: 1250.
  27. Eni, A.O., Lava Kumar, P., Asiedu, R., Alabi, O.J., Naidu, R.A., Hughes, J. d’A., and Rey, M.E.C. 2008. First Report of Cucumber mosaic virus in yams (Dioscorea ) in Ghana, Togo, and Republic of Benin in West Africa. Plant Disease 92: 833.
  28. Mgbechi-Ezeri, J.U., Alabi, O.J., Naidu, R.A., and Lava Kumar, P. 2008. First report of the occurrence of African cassava mosaic virus in a mosaic disease of soybean in Nigeria. Plant Disease 92: 1709.
  29. Naidu, R.A., Alabi, O.J., Karthikeyan, G., Nelson, M., and Morrell, A. 2007. First report of natural infection of Monarda didyma with Impatiens necrotic spot virus in Washington State. Plant Health Progress. doi:10.1094/PHP-2007-1119-02-BR.
  30. Kunkalikar, S., Poojari, S., Rajagopalan, P., Zehr, U.B, Naidu, R.A., and Kankanallu, R.S. 2007. First report of Capsicum chlorosis virus in tomato in India. Plant Health Progress. doi:10.1094/PHP-2007-1204-01-BR.
  31. Soule, M.J., Eastwell, K.C., and Naidu, R.A. First report of Grapevine leafroll associated virus-3 in American Vitis spp. grapevines in Washington State. Plant Disease 90: 1461.
  32. Naidu, R. A., Deom, C. M., and Sherwood, J. L. 2005. Expansion of the host range of Impatiens necrotic spot virus to peppers. Online. Plant Health Progress doi:10.1094/PHP-2005-0727-01-HN.

Book Chapters

  1. Naidu, R.A. Grapevine leafroll-associated virus 1. In: Grapevine Viruses: Molecular Biology, Diagnostics and Management. Springer (Publication expected in August 2017).
  2. Burger, J., Maree, H.J., Gouveia, P., and Naidu, R.A. Grapevine leafroll-associated virus 3. In: Grapevine Viruses: Molecular Biology, Diagnostics and Management. Springer (Publication expected in August 2017).
  3. Richards, K.E., Deom, C.M. and Naidu, R.A. 2005. Genus: Pecluvirus. In: Virus Taxonomy-Classification and Nomenclature of Viruses. Eds. C.M. Fauquet, M.A. Mayo, J. Maniloff, U. Desselberger and L.A. Ball. Elsevier Academic Press, New York. pp1039-1042.

Extension Publications

  1. Naidu, R.A. Grafting wine grapes. Good Fruit Grower June 2017. Vol. 68, No. 11, pages 38-39.
  2. Naidu, R.A., 2016. Grapevine viruses and clean plants. In: Vine to Wine: Successfully Establishing a Vineyard and Winery. Moyer, M.M. and G.A. Hoheisel (eds). WSU Extension Publication Washington State University. (https://www.youtube.com/watch?v=StCBEEWyBeo&index=9&list=PLajA3BBVyv1xbUDLr44fV4sW7ubL99aNO)
  3. Naidu, R.A. and Walsh, D. 2015. Is ‘grape virus tax’ hitting your pocketbook? Good Fruit Grower May 15, 2015. Vol. 66, No. 10, pages 10-11.
  4. Moyer, M., Naidu, R.A., and Steigmeyer, R. 2015. Field guide to clean plants & quarantines for grapes in Washington State (English & Spanish versions). 43 pp.
  5. Hoheisel, G., Moyer, M.M., Daniels, C.H., Miller, T.W., Walsh, D., Zasada, I., Naidu, R. A., and Davenport, J.R. 2015. Pest Management Guide for Grapes in Washington. EB0762, 68 pp.
  6. Naidu, R.A., Scharlau, V. 2014. Why ‘clean’ plants – Fact sheet (English & Spanish versions) (4 pages).
  7. Naidu, R.A. Virus Diseases. In: 2015 Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.28-31.
  8. Naidu, R.A., Poojari, S., and Alabi, O.J. 2013. Update: A new graft-transmissible grape disease in WA. WSU Viticulture and Enology Extension News, Spring 2013,6-7.
  9. Naidu, R.A., and Hanson, M. 2013. New grape disease reduces yield, quality. Good Fruit Grower. April 1, 2013.
  10. Naidu, R.A. Virus Diseases. In: 2013 Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.28-30.
  11. Naidu, R.A. Podcasts on Grapevine viruses (http://wine.wsu.edu/virology/).
  12. Naidu, R. A. 2012. Major Grapevine Diseases: Fanleaf and Leafroll. WSU Extension Fact Sheet FS074E (http://cru.cahe.wsu.edu/CEPublications/FS074E/FS074E.pdf).
  13. Naidu, R.A. Virus Diseases. In: 2012 Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.26-28.
  14. Naidu, R.A. You Tube presentation on “How Grapevine Virus Diseases Spread” (https://www.youtube.com/watch?v=605YHdIeSC8).
  15. Naidu, R.A., O’Neil, S. and Walsh, D. 2011. Grapevine leafroll disease. WSU Extension Bulletin EB2027ES. 22p
  16. Naidu, A. 2011. Virus update: The status of Washington vineyards. WSU Viticulture and Enology Extension News, Fall 2011, pp.6-7.
  17. Naidu, R.A. Virus Diseases. In: 2011 Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.25-28.
  18. Naidu, R.A. 2011. YouTube presentation on “Identifying grapevine leafroll disease symptoms in red and white cultivars”http://www.youtube.com/watch?v=Es41Tdgd9L0&feature=player_embedded#!
  19. Naidu, R.A. 2011. YouTube presentation on “Grapevine Disease: Start clean, stay clean”

http://www.youtube.com/watch?v=Vt_OyWpXohE&feature=related.

  1. Naidu, R.A. 2010. Virus Diseases. In: Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.24-27.
  2. Naidu, R.A. Podcasts on Grapevine viruses (http://wine.wsu.edu/virology/).
  3. Naidu, R.A. Virus Diseases. In: Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.24-27.
  4. Walters, T. and Naidu, R.A. 2009. “Experience.WSU” – Video streaming of presentations at “Eastern Washington Blueberry Workshop” in collaboration with the Washington Blueberry Commission. (http://experience.wsu.edu/WSUCoopExt/Blueberry.aspx).
  5. Naidu, R.A. Podcasts on Grapevine fanleaf disease (http://wine.wsu.edu/virology/).
  6. Naidu, R.A., O’Neil, S. and Walsh, D. 2008. Grapevine leafroll disease. WSU Extension Bulletin EB2027E. 20pp.
  7. Naidu, R.A. 2008. Virus Diseases. In: Pest Management Guide for Grapes in Washington. WSU Extension Bulletin EB0762, pp.24-27.
  8. Naidu, R.A. Combating grapevine leafroll disease. A podcast for vineyard managers at http://wine.wsu.edu/virology/.
  9. Naidu, R.A. Grapevine Virus Diseases 101. Vine to Wine: Successfully establishing a vineyard or winery. DVD. G. Hoheisel, K. Ringer, M. Olmstead, and J. Harbertson, eds.