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General Audience Publications:

For a great introduction to basil downy mildew and basil, please see:

2020. Simon, J.E. A breakthrough in the war against basil downy mildew. Scientia:

Extension and Grower Resources:

2020. Wyenandt, A., K. Homa and J.E. Simon. Options for controlling basil downy mildew in the field. Plant Pest Advisory Board, Feb 01, 2020:

2020. Wyenandt, A. and J.E. Simon. Controlling basil downy mildew in the greenhouse. Plant Pest Advisory Board, January 22, 2020:

2020. Wyenandt, A. and J.E. Simon. Rutgers downy mildew resistant sweet basils available around the world; Research efforts continue. Rutgers Cooperative Extension Service. Plant Pest Advisory Board, January 12, 2020:

2020. Simon, J.E., A. Wyenandt, R. Raid, M. McGrath and K. Homa. A plant breeding breakthrough: downy mildew resistant sweet basil. American Vegetable Grower, June, 2020:10-11. And, Online:


2018. Matthews, J., M. Melendez, J.E. Simon and C.A. Wyenandt. Ultra-Niche Crops Series: Fresh Market Basil. New Jersey Agricultural Experiment Station Fact Sheet (FS 1279). Rutgers Cooperative Extension.


Science Publications:

2023. Seidel, D.K., X. Morin, M. Staffen, R.D. Ludescher, J.E Simon and O. Schofield. Building a Collaborative, University Based Science-in-Action Video Storytelling Model that Translates Science for Public Engagement and Increases Scientists’ Relatability. Frontiers in Communication-Science and Environmental Comm. 7:1049648. doi: 10.3389/fcomm.2022.1049648

2023. Date, M.B., W.C. Rivero, J. Tan, D. Specca, J.E. Simon, D.A. Salvi, and M.V. Karwe. Growth of Hydroponic Sweet Basil (O. basilicum L.) Using Plasma-Activated Nutrient Solution (PANS). Agriculture 13(2), 443;

2022. Homa, K., Barney, W.P., C.A. Wyenandt, D.L. Ward and J.E. Simon. Range of susceptibility of selected sweet basil cultivars and lines to Fusarium oxysporum f. sp. basilici. Plant Health Progress: 25 May 2022

2021. Brindisi, L. C.A. Wyenandt, V. Arora, D. Kenigsbuch, N. Dudai, I. Gonda and J.E. Simon. A rapid screening approach to identify chilling tolerant sweet basil (Ocimum basilicum L.). J Medicinally Active Plants 1177:1-10.

2021. Patel, M., Lee, R., Merchant, E.V., Juliani, H.R., Simon, J.E., and B.J. Tepper. 2021. Descriptive aroma profiles of fresh sweet basil cultivars (Ocimum spp.): Relationship to volatile chemical composition. J. Food Science 1-12.

2021. Zhang, X., Y.C. Low, M.A. Lawton, J.E. Simon and R. Di. CRISPR-editing of sweet basil (Ocimum basilicum L.) homoserine kinase gene for improved downy mildew disease resistance. Front. Genome Ed. 3:629769.

2021. Patel, J.S., C.A. Wyenandt and M.T. McGrath. Effective downy mildew management in baisl using resistant varieties, environmental modifications, and fungicides. Plant Health Progress 22(3):22:226-234.

2020. Simon, J.E. A breakthrough in the war against basil downy mildew. Scientia:

2020. Homa, K., W.P. Barney, W.P. Davis, D. Guerrero, M.J. Berger, J.L. Lopez, C.A. Wyenandt and J.E. Simon. Cold plasma treatment strategies for the control of Fusarium oxysporum f. sp. basilici in sweet basil. HortSci:

2020. Ribeiro da Silva de Souza, L.C. Ming, M.A.L. Santos, J.E. Simon, H.R. Juliani, J.C.C. Saad. Effect of the water regimes and harvesting stages in essential oil accumulation in basil plant growing in sandy soil. Irrigation Science:

2020. Ribeiro da Silva de Souza, J.V., M.A. Liodorio dos Santos, M.M.P. Sartori, J.E. Simon, H.R. Juliani, J.C.C. Saad. Content of basil essential oil on a loam texture soil under water regimes and different harvest stages. International Journal for Innovation Education and Research 8(8):250-266. (

2019. Patel, N., D.Y. Kobayashi, A.J. Noto, A.C. Baldwin, J.E. Simon and C.A. Wyenandt. First report of Pseudomonas cichorii causing bacterial leaf spot on sweet basil (Ocimum basilicum) in New Jersey. Plant Disease:

2018. Wyenandt, C.A., L.R. Maimone, K. Homa, A. Madeiras, R.L. Wick and J.E. Simon. Detection of the downy mildew pathogen on seed of basil following field infection in southern New Jersey. HortTechnology 28(5):637-641. DOI: 10.21273/HORTTECH03849-17

2017. Pyne, R., J. Honig, J. Vaiciunas, S. Bonos, C.A. Wyenandt, and J.E. Simon. A first linkage map and downy mildew resistance QTL discovery for sweet basil (Ocimum basilicum) facilitated by double digestion restriction site associated DNA sequencing (ddRADseq). PLoSONE: 12(9):e0184319 (

2017. Koroch, A.R., J.E. Simon, H. R. Juliani. Essential Oil Composition of Purple Basils, Their Reverted Green Varieties (Ocimum basilicum) and Their Associated Biological Activity. Journal of Industrial Crops and Products 107: 526-530.

2016. Homa, K., W.P. Barney, D. Ward, C.A. Wyenandt and J.E. Simon. Morphological characteristics and susceptibility of basil species and varieties to Peronospora belbahrii. HortScience: 51(11):1389-1396.

2015. Pyne, R.M., A.R. Koroch, C.A. Wyenandt and J.E. Simon. 2015. Inheritance of Resistance to Downy Mildew in Sweet Basil. J. American Society for Horticultural Sci. 140(5):396-403.

2015. Wyenandt, C.A., J.E. Simon, R.M. Pyne, K. Homa, M.T. McGrath, S. Zhang, R.N. Raid, L.J. Ma, R. Wick, L. Guo, and A. Madeiras. Basil downy mildew (Peronospora belbahrii): Discoveries and challenges relative to its control. Phytopathology 105:885-894.

2015. McGrath, M.T., LaMarsh, K.A., Simon, J.E., Pyne, R.M., and Wyenandt, C.A. Assessment of downy mildew resistance in basil breeding lines and experimental hybrids, 2014. Plant Disease Management Reports 9:V027.

2014. Pyne , R.M., A. Koroch, A. Wyenandt and J.E. Simon. A rapid screening approach to identify resistance to basil downy mildew (Peronospora belbahrii). HortScience 49 (8):1-5.

2014. Homa , K., W.P. Barney, D.L. Ward, C.A. Wyenandt and J.E. Simon. 2014. Evaluation of fungicides for the control of Peronospora belbahrii on sweet basil in New Jersey. Plant Dis. 89:1561-1566.

2014. McGrath, M. T., LaMarsh, K. A., Simon, J.E., Pyne, R. M., and Wyenandt, C. A. Assessment of downy mildew susceptibility in basil cultivars, breeding lines, and crosses in New York. Plant Disease Management Reports 8:V269. American Phytopathological Society.

2014. Sims, C.A., H.R., S.R. Mentreddy and J.E. Simon. Essential Oils in Holy Basil (Ocimum tenuiflorum) as influenced by planting dates and harvest times in North Alabama. J. of Medicinally Active Plants 2(3):33-41.

2013. Koroch, A.R., T.S. Villani, R.M. Pyne and J.E. Simon. Rapid staining method to detect and identify downy mildew (Peronospora belbahrii) in basil. Applications in Plant Sciences 1(7):1300032. – 4pp (publication is permanently archived;

2013. McGrath, M.T., LaMarsh, K.A., Pyne, R., Simon, J.E., and C.A. Wyenandt. Assessment of downy mildew susceptibility in basil cultivars, breeding lines, and crosses in New York. Plant Disease Management Reports (on-line). Report No. 8. American Phytopathological Society.

2010. Wyenandt, C.A., J.E. Simon, M.T. McGrath, and D.L. Ward. Susceptibility of Basil Cultivars and Breeding Lines to Downy Mildew (Peronospora belbahrii). HortScience 45(9): 1416 – 1419.

2010. DeschampsG, C. and J.E. Simon. Phenylpropanoid Biosynthesis in Leaves and Glandular Trichomes of Basil (Ocimum basilicum L.), Chapter 18, pp. 263-274. In: Fett-Neto, A.G. (ed). Plant Secondary Metabolism Engineering. Methods in Molecular Biology Series 643, Springer Science.

2010. Koroch, A.R., H.R. Juliani, C. Sims and J.E. Simon. 2010. Antioxidant activity, total phenolics and rosmarinic acid content in different basils (Ocimum spp.). Israel J. Plant Science 58:191–195. DOI: 10.1560/IJPS.58.3-4.19

2008. Juliani, H.R., A.R. Koroch and J.E. Simon. Basil: A Source of Rosmarinic Acid, pp. 129-143. In: Dietary Supplements. American Chemical Society Symposium Series 925. American Chemical Society, Washington, D.C. USA.

2007. Ribeiro, P. and J.E. Simon. Breeding Sweet Basil (Ocimum basilicum L.) for Chilling Tolerance, pp. 302-305. In: The 6th New Crops Symposium: Creating Markets for Economic Development of New Crops and New Uses. ASHS Press, Alexandria, VI.

2006. Deschamps, C. and J.E. Simon. Terpenoid essential oil metabolism in basil (Ocimum basilicum L.) following elicitation. J. Essential Oil Res. 18:618-621.

2006. Deschamps, C., D. Gang, N. Dudareva, and J.E. Simon. 2006. Developmental regulation of phenylpropanoid biosynthesis in leaves and glandular trichomes of basil (Ocimum basilicum L.). Int. J. Plant Science 167(3):447-454.

2006. Vieira, R.F. and J.E. Simon. Chemical characterization of basil (Ocimum spp.) based on aromatic volatiles. Flavor and Fragrance Journal: 21:214-221.

2003. Vieira, R.F., P. Goldsbrough, and J.E. Simon. Genetic Diversity of Basil (Ocimum spp.) Based on RAPD markers. J. Amer. Soc. Hort. Sci. 128(1):94-99. 2003.

2002. Gang, D.R., J.E. Simon, E. Lewinsohn and E. Pichersky. Peltate glandular trichomes of Ocimum basilicum L. (Sweet Basil) contain high levels of enzymes involved in the biosynthesis of phenylpropenes. J. Herbs, Spices and Medicinal Plants 9(No.2/3):189-195.

2002. Dechamps, C. and J.E. Simon. Agrobacterium tumefaciens-mediated transformation of Ocimum basilicum and Ocimum citriodorum. Plant Cell Reports 21:359-364.

2002. Juliani, H.R. and J.E. Simon. Antioxidant Activity of Basil, pp. T575–579T. In: Trends in New Crops and New Uses. Amer. Soc. Hort. Sci. Press, Alexandria, VA.

2001. Gang, D.R., J. Wang, N. Dudareva, K.H. Nam, J.E. Simon, E. Lewinsohn, and E. Pichersky. An Investigation of the storage and biosynthesis of phenylpropenes in sweet basil. Plant Physiology 125: 1-17. (Plus serves as cover photo to journal).

2000. Phippen, W. and J.E. Simon. Anthocyanin Inheritance and Instability in Purple Basil (Ocimum basilicum L.). J. Heredity 91:289-296. (Plus serves as cover photo to journal).

2000. Phippen, W. and J.E. Simon. Shoot regeneration of young leaf explants from basil (Ocimum basilicum). L. In Vitro Dev. Biol.-Plant 36:250-254.

1999. Simon, J.E., M.R. Morales, W.B. Phippen, R.F. Vieira and Z. Hao. Basil: A source or aroma compounds and a popular culinary and ornamental herb, pp.499-505. In: Perspectives on New Crops and New Uses. ASHS Press, Alexandria, VA.

1998. Phippen, W.B. and J.E. Simon. Anthocyanins in Basil (Ocimum basilicum L.). J. Agric. Food Chemistry 46(5):1734-1738.

1997. Morales, M.R. and J.E. Simon. ‘Sweet Dani’: A new culinary and ornamental lemon basil. Cultivar release in HortScience 32(1):148-149.

1996. Morales, M.R. and J.E. Simon. New basil selections with compact inflorescences for the ornamental market, pp. 543-546. In: New Crops, ASHS Press, Alexandria, VA.

1996. Angers, P., M.R. Morales and J.E. Simon. Basil seed oils, pp. 598-601. In: New Crops, ASHS Press, Alexandria, VA.

1996. Hao , Z., Charles D.J., Yu L. and J.E. Simon. Purification and characterization of a phenylalanine ammonia-lyase isoform from methyl cinnamate basil, Ocimum basilicum L. Phytochemistry 43(4):735-739.

1992. Charles, D.J. and J.E. Simon. A new geraniol chemotype of Ocimum gratissimum L. J. Essential Oil Research 4:231-234.

1992. Nation, R.G., J. Janick and J.E. Simon. Estimation of outcrossing in basil. HortScience 27(11): 1221-1223.

1992. Morales, M.R., J.E. Simon and D.J. Charles. Comparison of essential oil content and composition between field and greenhouse grown genotypes of methyl cinnamate basil (Ocimum basilicum L.). J. Herbs, Spices and Medicinal Plants 1(4):25-30.

1992. Alkire, B.H. and J.E. Simon. A portable steam distillation unit for essential oil crops. HortTechnology 2(4):473-476.

1992. Simon, J.E., D. Reiss-Bubenheim, R.J. Joly and D.J. Charles. mint-induced alterations in essential oil content and composition of sweet basil. J. Essential Oil Research 4(1):71-75.

1990. Charles, D.J. and J.E. Simon. Comparison of extraction methods for the rapid determination of essential oil content and composition of basil. J. Amer. Soc. Hort. Sci. 115(3):458-462.

1990. Simon, J.E., J. Quinn and R.G. Murray. Basil: A source of essential oils. Advances in New Crops, Timber Press, Portland, OR. pp. 484-489.

1989. Adler, P.R., J.E. Simon and G.E. Wilcox. Nitrogen form alters sweet basil growth, and essential oil content and composition. HortScience 24(5):789-790.