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ARS Home » Southeast Area » Charleston, South Carolina » Vegetable Research » People & Locations » Jennifer Ikerd
Jennifer Ikerd
Vegetable Research
Biological Science Technician (Plants)

Phone: (843) 402-5300 ext. 2206
Fax: (843) 573-4715

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
USVL531-MDR: Watermelon germplasm line with broad resistance to powdery mildew and phytophthora fruit rot Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Mandal, M., Adkins, S., Turechek, W. 2023. USVL531-MDR: Watermelon germplasm line with broad resistance to powdery mildew and phytophthora fruit rot. HortScience. 58(4):475-479. https://doi.org/10.21273/HORTSCI16907-22.
Broad resistance to fruit rot in USVL watermelon germplasm lines to isolates of Phytophthora capsici from across USA Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Wechter, W.P., Barnham, S., Turechek, W. 2022. Broad resistance to fruit rot in USVL watermelon germplasm lines to isolates of Phytophthora capsici from across USA. Plant Disease. 106:711-719. https://doi.org/10.1094/PDIS-11-20-2480-RE.
New sources of resistance in winter squash (Cucurbita moschata) to phytophthora crown rot and their relationship to cultivated squash Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Vogel, G.M., Ikerd, J.L., Mandal, M.K., Mazourek, M., Smart, C.D., Turechek, W. 2021. New sources of resistance in winter squash (Cucurbita moschata) to phytophthora crown rot and their relationship to cultivated squash. Plant Health Progress. 22:323-331. https://doi.org/10.1094/PHP-02-21-0047-FI.
Relative susceptibility of commercial watermelon varieties to powdery mildew Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Mandal, M. 2019. Relative susceptibility of commercial watermelon varieties to powdery mildew. Crop Protection. https://doi.org/10.1016/j.cropro.2019.104910
Grafting susceptible pepper on resistant rootstocks to manage Phytophthora capsici in heavily infested fields - (Proceedings)
Kousik, C.S., Ikerd, J.L., and Hassell, R. 2018. Grafting susceptible pepper on resistant rootstocks to manage Phytophthora capsici in heavily infested fields. Proceedings of the 2nd international Soilborne Oomycete conference, Page 39. https://doi.org/358867.
Developing sources of resistance in Winter Squash (Cucurbita moschata) to Crown and Root Rot caused by Phytophthora capsici - (Proceedings)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. Developing Sources of Resistance in Winter Squash (Cucurbita moschata) to Crown and Root Rot caused by Phytophthora capsici. Proceedings of the 2nd International Soiborne Oomycete conference, Page 39. https://doi.org/358884.
Relative susceptibility of commercial watermelon varieties to powdery mildew and phytophthora fruit rot - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. Relative Susceptibility of Commercial Watermelon Varieties to Powdery Mildew and Phytophthora Fruit Rot.Presented at Cucurbitacea 2018, Davis CA. Cucurbitaceae 2018 conference abstracts, Page 51. https://cucubit2018.ucdavis.edu/ https://doi.org/358779.
New sources of resistance to phytophthora crown and root rot in Cucuribta moschata - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. New Sources of Resistance to Phytophthora Crown and Root Rot in Cucurbita moschata. Presented Cucurbitaceae 2018, Davis, CA. Cucurbitaceae 2018 conference abstracts, Page 11. https://cucurbit2018.ucdavis.edu/ https://doi.org/358780.
Broad resistance to U.S. powdery mildew isolates in newly developed watermelon germplasm lines Reprint Icon - (Abstract Only)
Kousik, C.S., Mandal, M.K>, Ikerd, J., Adkins, S., and Turechek, W.W. 2018. Broad resistance to U.S. powdery mildew isolates in newly developed watermelon germplasm lines. (Abstr.) Phytopathology 108:S1.173. https://doi.org/10.1094/PHYTO-108-10-S1.1
Powdery mildew resistant bottle gourd germplasm lines: USVL351-PMR and USVL482-PMR Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Mandal, M., Adkins, S.T., Webster, C.G., Turechek, W. 2018. Powdery mildew resistant bottle gourd germplasm lines: USVL351-PMR and USVL482-PMR. HortScience. 53(8):1224-1227. https://doi.org/10.21273/HORTSCI13067-18.
Watermelon germplasm lines: USVL608-PMR, USVL255-PMR, USVL313-PMR and USVL585-PMR with broad resistance to powdery mildew Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Mandal, M., Adkins, S.T., Turechek, W. 2018. Watermelon germplasm lines: USVL608-PMR, USVL255-PMR, USVL313-PMR and USVL585-PMR with broad resistance to powdery mildew. HortScience. 53(8):1212-1217. https://doi.org/10.21273/HORTSCI12979-18.
Evaluation of watermelon varieties for tolerance to powdery mildew and Phytophthora fruit rot, 2015 - (Research Notes)
Kousik, C.S., Ikerd, J.L. and Mandal, M.K. 2018. Evaluation of watermelon varieties for tolerance to powdery mildew and Phytophthora fruit rot, 2015. Plant Disease Management Reports 12:V076.
Evaluation of fungicide rotations and melcast for management of phytophthora fruit rot of watermelon, 2016 - (Research Notes)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. Evaluation of fungicide rotations and Melcast for management of Phytophthora fruit rot of watermelon, 2016. Plant Disease Management Reports 12:V076. https://doi.org/348568.
Genetics of resistance to powdery mildew in watermelon line USVL608-PMR - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Mandal, M.K., Wadl, P. 2018. Genetics of resistance to Powdery Mildew in Watermelon Line USVL608-PMR. Presented at Cucurbitaceae 2018 conference abstracts, Page 55. https://cucurbit2018.ucdavis.edu/ https://doi.org/358415.
Relative susceptibility of commercial watermelon varieties to powdery mildew Reprint Icon - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. Relative susceptibility of commercial watermelon varieties to powdery mildew (Abstr.) Phytopathology 108:S2.6. https://doi.org/10.1094/PHYTO-108-12-S2.1
Development of Phytophthora fruit rot caused by Phytophthora capsici on resistant and susceptible watermelon fruit of different ages Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Turechek, W. 2017. Development of Phytophthora fruit rot caused by Phytophthora capsici on resistant and susceptible watermelon fruit of different ages. Plant Disease. 102(2)370-374. https://doi.org/10.1094/PDIS-06-17-0898-RE.
Evaluation of watermelon varieties for tolerance to powdery mildew, 2016 - (Research Notes)
Kousik, C.S., Ikerd, J.L., Mandal, M.K. 2018. Evaluation of watermelon varieties for tolerance to powdery mildew, 2016. Plant Disease Management Reports 12:V075. https://doi.org/348569.
Evaluation of fungicide rotations for management of Phytophthora fruit rot of watermelon, 2015 - (Research Notes)
Kousik, C.S., Ikerd, J.L. 2016. Evaluation of fungicide rotations for management of Phytophthora fruit rot of watermelon, 2015. Plant Disease Management Reports. 10:V083.
Evaluation of watermelon varieties for tolerance to powdery mildew and Phytophthora fruit rot, 2014 - (Research Notes)
Kousik, C.S., Ikerd, J.L. 2016. Evaluation of watermelon varieties for tolerance to powdery mildew and Phytophthora fruit rot, 2014. Plant Disease Management Reports. 10:V082.
First report of fruit rot of ridge gourd (Luffa acutangula) caused by Sclerotium rolfsii - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Mihir, M. 2016. First report of fruit rot of ridge gourd (Luffa acutangula) caused by Sclerotium rolfsii. Plant Health Progress. 17:13-14.
Reaction of Phytophthora fruit rot resistant germplasm lines to a broad range of Phytophthora capsici isolates from across the United States of America - (Abstract Only)
Kousik, C.S., Ikerd, J.L. 2015. Reaction of Phytophthora fruit rot resistant germplasm lines to a broad range of Phytophthora capsici isolates from across the United States of America. Proceedings of the International Oomycete Conference. pp 22.
Influence of fruit age on Phytophthora fruit rot development on susceptible and resistant watermelon germplasm - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Turechek, W. 2015. Influence of fruit age on Phytophthora fruit rot development on susceptible and resistant watermelon germplasm. Phytopathology. 105 (Suppl 4):S4.75.
Powdery mildew resistant cucurbit rootstocks confer tolerance to grafted susceptible watermelon scions - (Abstract Only)
Kousik, C.S., Ikerd, J.L., Hassell, R. 2015. Powdery mildew resistant cucurbit rootstocks confer tolerance to grafted susceptible watermelon scions. Phytopathology. 105 (Suppl 4):S4.75.
Tolerance to powdery mildew conferred in susceptible watermelon scion by grafting on resistant rootstocks - (Abstract Only)
Evaluation of fungicide rotations and MELCAST for management of Phytophthora fruit rot of watermelon, 2014 - (Research Notes)
Kousik, C.S., Ikerd, J.L. 2015. Evaluation of fungicide rotations and MELCAST for management of Phytophthora fruit rot of watermelon, 2014. Plant Disease Management Reports. 8:V077. (Research Report)
Pre- and post-harvest development of Phytophthora fruit rot on watermelons treated with fungicides in the field Reprint Icon - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Harrison Jr, H.F. 2014. Pre- and post-harvest development of Phytophthora fruit rot on watermelons treated with fungicides in the field. Plant Health Progress. 15(3):145-150.
Evaluation of commercial melon varieties for tolerance to downy mildew, 2010 - (Research Notes)
Kousik, C.S., Ikerd, J.L. 2014. Evaluation of commercial melon varieties for tolerance to downy mildew, 2010. Plant Disease Management Reports. 8:V310.
Fruit age and development of Phytophthora fruit rot on resistant and susceptible watermelon lines - (Proceedings)
Kousik, C.S., Ikerd, J.L., Turechek, W. 2014. Fruit age and development of Phytophthora fruit rot on resistant and susceptible watermelon lines. Cucurbitaceae Proceedings. Bay Harbor, MI. pp 35-37.
Evidence for cucurbit powdery mildew pathogen races based on watermelon differentials - (Proceedings)
Kousik, C.S., Ikerd, J.L. 2014. Evidence for cucurbit powdery mildew pathogen races based on watermelon differentials. Cucurbitaceae Proceedings. Bay Harbor, MI. pp 32-34.
Evaluation of Actigard and fungicides for management of Phytophthora fruit rot of watermelon, 2013 - (Research Notes)
Kousik, C.S., Ikerd, J.L., Harrison Jr, H.F. 2014. Evaluation of Actigard and fungicides for management of Phytophthora fruit rot of watermelon, 2013. Plant Disease Management Reports. 8:V257.
Evaluation of fungicide rotations for management of Phytophthora fruit rot of watermelon, 2013 - (Research Notes)
Kousik, C.S., Ikerd, J.L., Harrison Jr, H.F. 2014. Evaluation of fungicide rotations for management of Phytophthora fruit rot of watermelon, 2013. Plant Disease Management Reports. 8:V256.
Identification and development of multiple disease resistant (fruit rot, powdery mildew) watermelon germplasm - (Abstract Only)
Development of Phytophthora fruit rot resistant watermelon germplasm lines: USVL489-PFR, USVL782-PFR, USVL203-PFR and USVL020-PFR - (Proceedings)
Kousik, C.S., Ikerd, J.L. 2013. Development of Phytophthora fruit rot resistant watermelon germplasm lines: USVL489-PFR, USVL782-PFR, USVL203-PFR and USVL020-PFR. International Phytophthora Capsici Conference. pp 15.
Confirming resistance in bottle gourd germplasm by quantifying powdery mildew conidia using a cellometer - (Abstract Only)
Kousik, C.S., Ikerd, J.L. 2015. Confirming resistance in bottle gourd germplasm by quantifying powdery mildew conidia using a cellometer. Phytopathology. 103(Suppl. 2):S2.75.
Effect of grafting on resistant rootstocks on development of powdery mildew on susceptible watermelon scion, 2012 - (Research Notes)
Kousik, C.S., Ikerd, J.L., Hassell, R. 2013. Effect of grafting on resistant rootstocks on development of powdery mildew on susceptible watermelon scion, 2012. Plant Disease Management Reports. 6:V012.
Resistance to Phytophthora fruit rot of watermelon caused by Phytophthora capsici in U.S. Plant Introductions (PI) - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Wechter, W.P., Harrison Jr, H.F., Levi, A. 2012. Resistance to Phytophthora fruit rot of watermelon caused by Phytophthora capsici in U.S. Plant Introductions (PI). HortScience. 47(12):1682-1689.
Watermelon Fruit Age and Development of Phytophthora fruit rot on resistant and susceptible lines - (Abstract Only)
Evaluation of Actigard and fungicides for management of Phytophthora fruit rot of watermelon, 2011. - (Research Notes)
Kousik, C.S., Ikerd, J.L., Thies, J.A., Harrison Jr, H.F. 2012. Evaluation of Actigard and fungicides for management of Phytophthora fruit rot of watermelon, 2011.. Plant Disease Management Reports. 6:V012.
Effect of grafting on resistant rootstocks on the development of Phytophthora fruit rot on susceptible scion, 2011. - (Research Notes)
Kousik, C.S., Ikerd, J.L., Hassell, R. 2012. Effect of grafting on resistant rootstocks on the development of Phytophthora fruit rot on susceptible scion, 2011.. Plant Disease Management Reports. 6:V012.
Host resistance to phytophthora fruit rot in U.S. watermelon plant introductions - (Proceedings)
Kousik, C.S., Ikerd, J.L. 2011. Host resistance to phytophthora fruit rot in U.S. watermelon plant introductions. International Phytophthora Capsici Conference. p. 26-27.
Effect of actigard and other new fungicides on phytophthora fruit rot of watermelon - (Proceedings)