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Journal articles on the topic 'Fusarium oxysporum niveum'

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Published: 4 June 2021

Last updated: 11 February 2022

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1

Keinath, Anthony P., and Paula A. Agudelo. "Retention of Resistance to Fusarium oxysporum f. sp. niveum in Cucurbit Rootstocks Infected by Meloidogyne incognita." Plant Disease 102, no. 9 (2018): 1820–27. http://dx.doi.org/10.1094/pdis-12-17-1916-re.

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Interspecific hybrid squash (Cucurbita maxima × C. moschata ‘Strong Tosa’) and bottle gourd (Lagenaria siceraria ‘Macis’) rootstocks are resistant to Fusarium oxysporum f. sp. niveum but susceptible to Meloidogyne incognita (Southern root-knot nematode). Coinfection of Early Prolific Straightneck summer squash (C. pepo) with root-knot nematode and F. oxysporum f. sp. niveum has been reported to increase susceptibility to Fusarium wilt. The objectives of this study were to determine whether such an interaction occurred between M. incognita and F. oxysporum f. sp. niveum races 1 and 2 on Strong

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Keinath, Anthony P., W. Patrick Wechter, William B. Rutter, and Paula A. Agudelo. "Cucurbit Rootstocks Resistant to Fusarium oxysporum f. sp. niveum Remain Resistant When Coinfected by Meloidogyne incognita in the Field." Plant Disease 103, no. 6 (2019): 1383–90. http://dx.doi.org/10.1094/pdis-10-18-1869-re.

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Interspecific hybrid squash (Cucurbita maxima × Cucurbita moschata) rootstocks used to graft watermelon (Citrullus lanatus var. lanatus) are resistant to Fusarium oxysporum f. sp. niveum, the fungus that causes Fusarium wilt of watermelon, but they are susceptible to Meloidogyne incognita, the southern root knot nematode. A new citron (Citrullus amarus) rootstock cultivar Carolina Strongback is resistant to F. oxysporum f. sp. niveum and M. incognita. The objective of this study was to determine if an interaction between M. incognita and F. oxysporum f. sp. niveum race 2 occurred on grafted or

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Roberts, Pamela, Nicholas Dufault, Robert Hochmuth, Gary Vallad, and Mathews Paret. "Fusarium Wilt (Fusarium oxysporum f. sp. niveum) of Watermelon." EDIS 2019, no. 5 (2019): 4. http://dx.doi.org/10.32473/edis-pp352-2019.

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Fusarium wilt of watermelon is one of the most serious and difficult diseases to manage and occurs in most production regions worldwide. The fungus can be seedborne and has great longevity in the soil, allowing infested soil to also serve as a source of infection. This new 4-page publication of the UF/IFAS Plant Pathology Department signs, symptoms, and the disease cycle of Fusarium wilt and provides recommendations for cultural and chemical management. Written by Pamela Roberts, Nicholas Dufault, Robert Hochmuth, Gary Vallad, and Mathews Paret. https://edis.ifas.ufl.edu/pp352

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Álvarez-Hernández, Juan Carlos, Javier Zaragoza Castellanos-Ramos, César Leobardo Aguirre-Mancilla, María Victoria Huitrón-Ramírez, and Francisco Camacho-Ferre. "INFLUENCE OF ROOTSTOCKS ON Fusarium WILT, NEMATODE INFESTATION, YIELD AND FRUIT QUALITY IN WATERMELON PRODUCTION." Ciência e Agrotecnologia 39, no. 4 (2015): 323–30. http://dx.doi.org/10.1590/s1413-70542015000400002.

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Cucurbita maxima x Cucurbita moschata rootstock are used to prevent infection with Fusarium oxysporum f. sp. niveum in watermelon production; however, this rootstock is not effective against nematode attack. Because of their vigor, the grafted plants can be planted at lower plant densities than the non-grafted plants. The tolerance to Fusarium oxysporum f. sp. niveum and Meloidogyne incognita was assessed in watermelon plants grafted onto a hybrid of Citrullus lanatus cv Robusta or the Cucurbita maxima x Cucurbita moschata cv Super Shintoza rootstocks. The densities of plants were 2083 and 416

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Keinath, A. P., and R. L. Hassell. "Control of Fusarium Wilt of Watermelon by Grafting onto Bottlegourd or Interspecific Hybrid Squash Despite Colonization of Rootstocks by Fusarium." Plant Disease 98, no. 2 (2014): 255–66. http://dx.doi.org/10.1094/pdis-01-13-0100-re.

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Grafting watermelon (Citrullus lanatus var. lanatus) onto rootstocks of interspecific hybrid squash (Cucurbita moschata × C. maxima), bottle gourd (Lagenaria siceraria), or citron (Citrullus lanatus var. citroides) has been used in Asia and Israel to mange Fusarium wilt of watermelon caused by Fusarium oxysporum f. sp. niveum. The objectives of this study were to determine the frequency of infection of six rootstocks by F. oxysporum f. sp. niveum races 1 and 2 and the field performance of grafted rootstocks in Charleston, SC. Grafted and nongrafted watermelon and rootstock plants were inoculat

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6

Zhou, X. G., and K. L. Everts. "Races and Inoculum Density of Fusarium oxysporum f. sp. niveum in Commercial Watermelon Fields in Maryland and Delaware." Plant Disease 87, no. 6 (2003): 692–98. http://dx.doi.org/10.1094/pdis.2003.87.6.692.

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A survey was conducted to determine races and inoculum density of Fusarium oxysporum f. sp. niveum, the causal agent of Fusarium wilt of watermelon in Maryland and Delaware. Virulence on six differential cultivars was tested for each of 63 isolates of F. oxysporum f. sp. niveum, obtained from 25 commercial watermelon fields. Thirteen isolates (21%) were identified as race 0, 36 isolates (57%) as race 1, and 14 isolates (22%) as race 2. Races 0 and 1 were present in 12 (48%) and 10 (40%) of the fields, respectively. The highly aggressive race 2 was identified from five fields in two counties in

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7

Larkin, R. P., D. L. Hopkins, and F. N. Martin. "Vegetative compatibility within Fusarium oxysporum f.sp. niveum and its relationship to virulence, aggressiveness, and race." Canadian Journal of Microbiology 36, no. 5 (1990): 352–58. http://dx.doi.org/10.1139/m90-061.

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Over 250 isolates of Fusarium oxysporum collected from infected watermelon plants and soil samples from a pathogen-infested field, as well as known isolates of F. oxysporum f. sp. niveum imported from various locations around the world, were tested for pathogenicity on watermelon and used to determine vegetative compatibility groups (VCGs) within F. oxysporum f. sp. niveum. Vegetative compatibility was assessed on the basis of heterokaryon formation among nitrate-nonutilizing mutants. Race determinations were made by screening isolates on six different watermelon cultivars of varying resistanc

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Petkar, Aparna, David B. Langston, James W. Buck, Katherine L. Stevenson, and Pingsheng Ji. "Sensitivity of Fusarium oxysporum f. sp. niveum to Prothioconazole and Thiophanate-Methyl and Gene Mutation Conferring Resistance to Thiophanate-Methyl." Plant Disease 101, no. 2 (2017): 366–71. http://dx.doi.org/10.1094/pdis-09-16-1236-re.

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Fusarium wilt, incited by the fungus Fusarium oxysporum f. sp. niveum, is a soilborne disease that affects watermelon production worldwide. Approaches for effective management of Fusarium wilt in watermelon are limited. Studies conducted in recent years indicated that prothioconazole and thiophanate-methyl reduced the disease significantly under field conditions. However, effects of the fungicides on different life stages of F. oxysporum f. sp. niveum and potential existence of fungicide resistance in F. oxysporum f. sp. niveum populations are unknown. In the present study, effects of prothioc

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9

Harveson, R. M., J. W. Kimbrough, and D. L. Hopkins. "Novel Use of a Pyrenomycetous Mycoparasite for Management of Fusarium Wilt of Watermelon." Plant Disease 86, no. 9 (2002): 1025–30. http://dx.doi.org/10.1094/pdis.2002.86.9.1025.

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Fusarium wilt of watermelon, caused by Fusarium oxysporum f. sp. niveum, is a destructive disease that limits watermelon production in many areas of the world. The discovery of several pyrenomycetous ascomycetes occurring naturally in association with different formae speciales of F. oxysporum identified these fungi as potential biological control organisms for watermelon wilt. One such mycoparasitic isolate, identified as Sphaerodes retispora var. retispora, was chosen for biological control and ecological trials in the greenhouse. Four different methods to inoculate the mycoparasite were eva

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Petkar, Aparna, and Pingsheng Ji. "Infection Courts in Watermelon Plants Leading to Seed Infestation by Fusarium oxysporum f. sp. niveum." Phytopathology® 107, no. 7 (2017): 828–33. http://dx.doi.org/10.1094/phyto-12-16-0429-r.

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Fusarium wilt incited by Fusarium oxysporum f. sp. niveum is a seed-transmitted disease that causes significant yield loss in watermelon production. The pathogen may infect watermelon seeds latently, which can be an important inoculum source and contribute to severe disease outbreak. However, information regarding infection courts of F. oxysporum f. sp. niveum leading to infestation of watermelon seeds is limited. To determine how seeds in watermelon fruit can be infested by F. oxysporum f. sp. niveum during the watermelon growing season, greenhouse and field experiments were conducted in 2014

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Egel, D. S., R. Harikrishnan, and R. Martyn. "First Report of Fusarium oxysporum f. sp. niveum Race 2 as Causal Agent of Fusarium Wilt of Watermelon in Indiana." Plant Disease 89, no. 1 (2005): 108. http://dx.doi.org/10.1094/pd-89-0108a.

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Fusarium oxysporum f. sp. niveum race 1 is uniformly distributed throughout watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) growing regions, but F. oxysporum f. sp. niveum race 2 has a limited known distribution in the United States (Texas, Florida, Oklahoma, Maryland, and Delaware) (3,4). Since the spring of 2001, commercial watermelon fields in Knox and Gibson counties in southwestern Indiana have been observed with symptoms of one-sided wilt and vascular discoloration typical of Fusarium wilt. Race 2 of F. oxysporum f. sp. niveum was suspected as the casual agent since the disea

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Keinath, Anthony P., Timothy W. Coolong, Justin D. Lanier, and Pingsheng Ji. "Managing Fusarium Wilt of Watermelon with Delayed Transplanting and Cultivar Resistance." Plant Disease 103, no. 1 (2019): 44–50. http://dx.doi.org/10.1094/pdis-04-18-0709-re.

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Fusarium wilt of watermelon caused by Fusarium oxysporum f. sp. niveum is a serious, widespread disease of watermelon throughout the southern United States. To investigate whether soil temperature affects disease development, three cultivars of triploid watermelon were transplanted March 17 to 21, April 7 to 11, and April 26 to May 2 in 2015 and 2016 at Charleston, SC, and Tifton, GA into fields naturally infested with F. oxysporum f. sp. niveum. Incidence of Fusarium wilt was lower with late-season than with early and midseason transplanting in all four experiments (P ≤ 0.01). Cultivar Citati

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13

Zhou, X. G., K. L. Everts, and B. D. Bruton. "Race 3, a New and Highly Virulent Race of Fusarium oxysporum f. sp. niveum Causing Fusarium Wilt in Watermelon." Plant Disease 94, no. 1 (2010): 92–98. http://dx.doi.org/10.1094/pdis-94-1-0092.

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Three races (0, 1, and 2) of Fusarium oxysporum f. sp. niveum have been previously described in watermelon (Citrullus lanatus) based on their ability to cause disease on differential watermelon genotypes. Four isolates of F. oxysporum f. sp. niveum collected from wilted watermelon plants or infested soil in Maryland, along with reference isolates of races 0, 1, and 2, were compared for virulence, host range, and vegetative compatibility. Race identification was made on the watermelon differentials Sugar Baby, Charleston Gray, Dixielee, Calhoun Gray, and PI-296341-FR using a root-dip, tray-dip,

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14

Himmelstein, J., J. E. Maul, Y. Balci, and K. L. Everts. "Factors Associated with Leguminous Green Manure Incorporation and Fusarium Wilt Suppression in Watermelon." Plant Disease 100, no. 9 (2016): 1910–20. http://dx.doi.org/10.1094/pdis-08-15-0956-re.

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Fall-planted Vicia villosa or Trifolium incarnatum cover crops, incorporated in spring as a green manure, can suppress Fusarium wilt (Fusarium oxysporum f. sp. niveum) of watermelon. During cover crop growth, termination, and incorporation into the soil, many factors such as arbuscular mycorrhizae colonization, leachate, and soil respiration differ. How these cover-crop-associated factors affect Fusarium wilt suppression is not fully understood. Experiments were conducted to evaluate how leachate, soil respiration, and other green-manure-associated changes affected Fusarium wilt suppression, a

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15

Hudson, Owen, James C. Fulton, Alexi K. Dong, Nicholas S. Dufault, and Md Emran Ali. "Fusarium oxysporum f. sp. niveum Molecular Diagnostics Past, Present and Future." International Journal of Molecular Sciences 22, no. 18 (2021): 9735. http://dx.doi.org/10.3390/ijms22189735.

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Watermelon is an important commercial crop in the Southeastern United States and around the world. However, production is significantly limited by biotic factors including fusarium wilt caused by the hemibiotrophic fungus Fusarium oxysporum forma specialis niveum (Fon). Unfortunately, this disease has increased significantly in its presence over the last several decades as races have emerged which can overcome the available commercial resistance. Management strategies include rotation, improved crop resistance, and chemical control, but early and accurate diagnostics are required for appropria

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16

Alam, K. M., M. M. Alam, Md Monirul Islam, et al. "First Report on Fusarium oxysporum f. sp. niveum Causing Watermelon Fusarium Wilt in Bangladesh." Plant Disease 104, no. 6 (2020): 1859. http://dx.doi.org/10.1094/pdis-11-19-2466-pdn.

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Wu, Hong-Sheng, Waseem Raza, Dong-Yang Liu, et al. "Allelopathic impact of artificially applied coumarin on Fusarium oxysporum f.sp. niveum." World Journal of Microbiology and Biotechnology 24, no. 8 (2007): 1297–304. http://dx.doi.org/10.1007/s11274-007-9602-5.

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18

Zhou, X. G., and K. L. Everts. "Suppression of Fusarium Wilt of Watermelon by Soil Amendment with Hairy Vetch." Plant Disease 88, no. 12 (2004): 1357–65. http://dx.doi.org/10.1094/pdis.2004.88.12.1357.

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Hairy vetch (Vicia villosa Roth) as a soil amendment was evaluated for suppression of Fusarium wilt of watermelon and soil populations of Fusarium oxysporum f. sp. niveum in greenhouse, microplot, and field studies. When mixed at 1 or 5% (wt/wt) in a loamy sand soil that was artificially or naturally infested with race 2 of F. oxysporum f. sp. niveum, pulverized dry hairy vetch, crab shell, and urea provided the best suppression (53 to 87% reduction) of Fusarium wilt on watermelon seedlings among 13 plant and animal residues screened. Soil amended with hairy vetch at 0.25 or 0.5% (wt/wt) in mi

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Zhou, X. G., and K. L. Everts. "Quantification of Root and Stem Colonization of Watermelon by Fusarium oxysporum f. sp. niveum and Its Use in Evaluating Resistance." Phytopathology® 94, no. 8 (2004): 832–41. http://dx.doi.org/10.1094/phyto.2004.94.8.832.

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Colonization of watermelon root and stem tissues by Fusarium oxysporum f. sp. niveum race 1 and its relationship to the apparent resistance to Fusarium wilt was investigated. In each of 2 years, 17 differentially susceptible watermelon cultivars and one accession were tested in the greenhouse, and 7 cultivars also were tested in the field. Colonization by a chlorate-resistant marked isolate of the fungus was assayed by plating homogenized tissue samples on a selective medium. Six days after inoculation, seedlings of highly resistant, moderately resistant, and susceptible cultivars had F. oxysp

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Hawkins, Leigh K., Fenny Dane, Thomas L. Kubisiak, Billy B. Rhodes, and Robert L. Jarret. "Linkage Mapping in a Watermelon Population Segregating for Fusarium Wilt Resistance." Journal of the American Society for Horticultural Science 126, no. 3 (2001): 344–50. http://dx.doi.org/10.21273/jashs.126.3.344.

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Isozyme, randomly amplified polymorphic DNA (RAPD), and simple sequence repeats (SSR) markers were used to generate a linkage map in an F2 and F3 watermelon [Citrullus lanatus (Thumb.) Matsum. & Nakai] population derived from a cross between the fusarium wilt (Fusarium oxysporum f. sp. niveum) susceptible `New Hampshire Midget' and resistant PI 296341-FR. A 112.9 cM RAPD-based map consisting of 26 markers spanning two linkage groups was generated with F2 data. With F3 data, a 139 cM RAPD-based map consisting of 13 markers covering five linkage groups was constructed. Isozyme and SSR marker

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ALTINOK, Hacer Handan, and Oktay ERDOGAN. "Determination of the In vitro Effect of Trichoderma harzianum on Phytopathogenic Strains of Fusarium oxysporum." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 43, no. 2 (2015): 494–500. http://dx.doi.org/10.15835/nbha4329788.

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Fusarium oxysporum is a well-known soil-borne fungi and it is difficult to control their pathogenic strains by conventional strategies. The cultures of two strains of Trichoderma harzianum (T16 and T23) were examined in laboratory conditions and with pot experiments for the control of pathogenic strains of Fusarium oxysporum f. sp. melongenae (Fomg), Fusarium oxysporum f. sp. lycopersici (Fol), Fusarium oxysporum f. sp. niveum (Fon) and F. oxysporum f. sp. melonis (Fom). The T16 and T23 strains showed significant inhibition of mycelial growth in the pathogenic strains of F. oxysporum and the m

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22

CHANG, T. H., Y. H. LIN, K. S. CHEN, J. W. HUANG, S. C. HSIAO, and P. F. L. CHANG. "Cell wall reinforcement in watermelon shoot base related to its resistance to Fusarium wilt caused by Fusarium oxysporum f. sp. niveum." Journal of Agricultural Science 153, no. 2 (2014): 296–305. http://dx.doi.org/10.1017/s0021859614000057.

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SUMMARYFusarium wilt of watermelon, caused by Fusarium oxysporum f. sp. niveum, is one of the limiting factors for watermelon production in Taiwan. In recent research, the phenylalanine ammonia lyase (PAL) gene expressed in the shoot base of the Fusarium wilt resistant line JSB was related to Fusarium wilt resistance. Phenylalanine ammonia lyase is the key regulatory enzyme in the phenylpropanoid metabolic pathway. The downstream products of phenolic compounds are considered to be involved in the complicated plant defence mechanisms. They could act as signal molecules, antimicrobial substances

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An, Meijun, Xingang Zhou, Fengzhi Wu, Yafei Ma, and Ping Yang. "Rhizosphere soil microorganism populations and community structures of different watermelon cultivars with differing resistance to Fusarium oxysporum f. sp. niveum." Canadian Journal of Microbiology 57, no. 5 (2011): 355–65. http://dx.doi.org/10.1139/w11-015.

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Fusarium wilt is an increasingly serious disease of watermelon that reduces crop productivity. Changes in microorganism populations and bacterial and fungal community structures in rhizosphere soil of watermelon cultivars resistant or susceptible to Fusarium oxysporum f. sp. niveum were investigated using a plate culture method and PCR–DGGE analysis. Plate culture showed that populations of culturable bacteria and actinomycetes were more abundant in the rhizosphere of the resistant watermelon cultivar than the susceptible cultivar, but the fungi population had the opposite pattern. Populations

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Wu, Hong-sheng, Dong-yang Liu, Ning Ling, Wei Bao, Rong-rong Ying, and Qi-rong Shen. "Influence of Root Exudates of Watermelon on Fusarium oxysporum f. sp. niveum." Soil Science Society of America Journal 73, no. 4 (2009): 1150–56. http://dx.doi.org/10.2136/sssaj2008.0266.

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Keinath, Anthony P., Virginia B. DuBose, Melanie M. Katawczik, and W. Patrick Wechter. "Identifying Races of Fusarium oxysporum f. sp. niveum in South Carolina Recovered From Watermelon Seedlings, Plants, and Field Soil." Plant Disease 104, no. 9 (2020): 2481–88. http://dx.doi.org/10.1094/pdis-11-19-2385-re.

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Fusarium wilt of watermelon (Citrullus lanatus), caused by the soilborne fungus Fusarium oxysporum f. sp. niveum, is the most serious disease of watermelon in South Carolina and other southeastern U.S. states. Isolates of F. oxysporum collected from field-grown plants, greenhouse-grown seedlings, and field soil between 1999 and 2018 were inoculated onto three differential watermelon cultivars to identify races. Of 197 isolates obtained from plants, 12% were nonpathogenic, 2% were race 0, 23% were race 1, and 63% were race 2. One collection of isolates from greenhouse seedlings was exclusively

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Zhou, X. G., and K. L. Everts. "First Report of the Occurrence of Fusarium oxysporum f. sp. niveum Race 2 in Commercial Watermelon Production Areas of Maryland and Delaware." Plant Disease 85, no. 12 (2001): 1291. http://dx.doi.org/10.1094/pdis.2001.85.12.1291c.

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Resistance to race 1 of Fusarium oxysporum f. sp. niveum (E.F. Sm.) W.C. Snyder & H.N. Hans) is the most widely used tool for management of Fusarium wilt of watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai). However, this resistance is ineffective against the more aggressive F. oxysporum f. sp. niveum race 2. Race 2 was first identified in Israel in 1973 (2) and was subsequently reported in Texas (1981), Oklahoma (1988), and Florida (1989) (1). From July through September 2000 in Maryland and Delaware, 123 isolates of F. oxysporum f. sp. niveum were collected from wilted plants or

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Zhou, X. G., and K. L. Everts. "Effects of Host Resistance and Inoculum Density on the Suppression of Fusarium Wilt of Watermelon Induced by Hairy Vetch." Plant Disease 91, no. 1 (2007): 92–96. http://dx.doi.org/10.1094/pd-91-0092.

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Hairy vetch (Vicia villosa) used as a soil amendment is a newly described potential management tool for the suppression of Fusarium wilt of watermelon (Citrullus lanatus). However, the effect of inoculum density and the level of resistance in the host on the level of suppression are not understood. In this study, hairy vetch-induced wilt suppression was evaluated in the greenhouse on 12 watermelon cultivars with different levels of wilt resistance and in 16 naturally infested soil samples collected from commercial watermelon fields. Wilt suppression occurred in all but two cultivars and with t

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Elmer, Wade, Roberto De La Torre-Roche, Luca Pagano, et al. "Effect of Metalloid and Metal Oxide Nanoparticles on Fusarium Wilt of Watermelon." Plant Disease 102, no. 7 (2018): 1394–401. http://dx.doi.org/10.1094/pdis-10-17-1621-re.

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This study explored the use of foliar sprays with nanoparticles (NP) of B, CuO, MnO, SiO, TiO, and ZnO to protect watermelon against Fusarium wilt. Leaves of young watermelon plants were sprayed (1 to 2 ml per plant) with NP suspensions (500 to 1,000 µg/ml) and were planted in potting mix infested with Fusarium oxysporum f. sp. niveum. In five of eight greenhouse experiments, CuO NP suppressed disease and, in six of eight experiments, CuO NP increased biomass or yield more than in untreated controls or other tested NP. More root Cu was detected in CuO NP-treated plants than other treatments (P

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Li, Chun-Xia, Xue-Peng Fu, Xin-Gang Zhou, et al. "Treatment With Wheat Root Exudates and Soil Microorganisms From Wheat/Watermelon Companion Cropping Can Induce Watermelon Disease Resistance Against Fusarium oxysporum f. sp. niveum." Plant Disease 103, no. 7 (2019): 1693–702. http://dx.doi.org/10.1094/pdis-08-18-1387-re.

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Companion cropping with wheat (Triticum aestivum L.) can enhance watermelon [Citrullus lanatus (Thunb.) Matsum. & Nakai] wilt disease resistance against Fusarium oxysporum f. sp. niveum. However, the mechanism of resistance induction remains unknown. In this study, the effects of microbial community dynamics and the interactions between wheat and watermelon plants, particularly the effect of wheat root exudates on watermelon resistance against F. oxysporum f. sp. niveum, were examined using a plant-soil feedback trial and plant tissue culture approach. The plant-soil feedback trial showed

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Keinath, Anthony P., and Richard L. Hassell. "Suppression of Fusarium Wilt Caused by Fusarium oxysporum f. sp. niveum Race 2 on Grafted Triploid Watermelon." Plant Disease 98, no. 10 (2014): 1326–32. http://dx.doi.org/10.1094/pdis-01-14-0005-re.

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Fusarium wilt of watermelon, caused by the soilborne fungal pathogen Fusarium oxysporum f. sp. niveum race 2, is a serious, widespread disease present in major watermelon-growing regions of the United States and other countries. ‘Fascination,’ a high yielding triploid resistant to race 1, is grown in southeastern states in fields that contain a mixture of races 1 and 2. There is some benefit to using cultivars with race 1 resistance in such fields, even though Fascination is susceptible to Fusarium wilt caused by race 2. Experiments in 2012 and 2013 were done in fields infested primarily with

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Bruton, B. D. "Fusarium Wilt (F. oxysporum f. sp. niveum Race 2) of Watermelon in Oklahoma." Plant Disease 72, no. 8 (1988): 734. http://dx.doi.org/10.1094/pd-72-0734d.

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Huh, Y. C., Y. H. Om, and J. M. Lee. "UTILIZATION OF CITRULLUS GERMPLASM WITH RESISTANCE TO FUSARIUM WILT (FUSARIUM OXYSPORUM F. SP. NIVEUM) FOR WATERMELON ROOTSTOCKS." Acta Horticulturae, no. 588 (October 2002): 127–32. http://dx.doi.org/10.17660/actahortic.2002.588.18.

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Bruton, B. D., W. W. Fish, and D. B. Langston. "First Report of Fusarium Wilt Caused by Fusarium oxysporum f. sp. niveum Race 2 in Georgia Watermelons." Plant Disease 92, no. 6 (2008): 983. http://dx.doi.org/10.1094/pdis-92-6-0983b.

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Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) is the number one specialty crop grown in Georgia, a state that ranks fourth nationally in watermelon production. In the last 5 years, Fusarium wilt caused by Fusarium oxysporum f. sp. niveum (Fon) has been the greatest yield-limiting disease of watermelon in Georgia. In 2004, a seedless-watermelon field of ‘Regency’ and ‘Tri-X 313’ in Berrien County, GA exhibited approximately 40% of wilted plants. Affected plants also exhibited strong discoloration in the crown xylem. Plant samples (cultivars unknown) from a similarly affected field

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Hua, Gia Khuong Hoang, Patricia Timper, and Pingsheng Ji. "Meloidogyne incognita intensifies the severity of Fusarium wilt on watermelon caused by Fusarium oxysporum f. sp. niveum." Canadian Journal of Plant Pathology 41, no. 2 (2019): 261–69. http://dx.doi.org/10.1080/07060661.2018.1564939.

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Li, Ya, Jie Zhao, and Kun Gao. "Activity of Flavanones Isolated from Rhododendron hainanense against Plant Pathogenic Fungi." Natural Product Communications 11, no. 5 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100513.

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In a search for naturally occurring antimicrobial compounds in medicinal plants and herbs, seven flavanones were isolated from the aerial parts of Rhododendron hainanense and were tested for their antimicrobial activities against six bacteria and six plant pathogenic fungi. Within the series of flavanones tested, farrerol (1) displayed moderate antibacterial activities against Bacillus cereus, B. subtilis, Pseudomonas aeruginosa, Staphylococcus aureus, Escherichia coli and Erwinia carotovora, with MICs ranging from 15.6 to 125 μg/mL. Furthermore, farrerol (1) exhibited excellent inhibitory act

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Gunter, Chris, and Daniel S. Egel. "Staminate Flower Production and Fusarium Wilt Reaction of Diploid Cultivars Used as Pollenizers for Triploid Watermelon." HortTechnology 22, no. 5 (2012): 694–99. http://dx.doi.org/10.21273/horttech.22.5.694.

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Several cultivars of nonharvested watermelon (Citrullus lanatus) pollenizers were compared for staminate flower production in field tests and disease reaction to fusarium wilt [Fusarium oxysporum f. sp. Niveum (FON)] in both greenhouse and field tests. Differences were observed in staminate flower counts and fusarium wilt reactions in both years of field evaluations and to fusarium wilt among cultivars evaluated in the greenhouse. ‘SP-1’, ‘Sidekick’, and ‘5WDL 6146’ were the cultivars with high staminate flower counts in the field both years. These cultivars also were among the most resistant

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Xie, Xing-Guang, Chun-Yan Huang, Zhen-Dong Cai, Yan Chen, and Chuan-Chao Dai. "Targeted Acquisition of Fusarium oxysporum f. sp. niveum Toxin-Deficient Mutant and Its Effects on Watermelon Fusarium Wilt." Journal of Agricultural and Food Chemistry 67, no. 31 (2019): 8536–47. http://dx.doi.org/10.1021/acs.jafc.9b02172.

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Wu, Hong-sheng, Jia Luo, Waseem Raza, et al. "Effect of exogenously added ferulic acid on in vitro Fusarium oxysporum f. sp. niveum." Scientia Horticulturae 124, no. 4 (2010): 448–53. http://dx.doi.org/10.1016/j.scienta.2010.02.007.

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Lü, Guiyun, Shaogui Guo, Haiying Zhang, et al. "Transcriptional profiling of watermelon during its incompatible interaction with Fusarium oxysporum f. sp. niveum." European Journal of Plant Pathology 131, no. 4 (2011): 585–601. http://dx.doi.org/10.1007/s10658-011-9833-z.

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Wu, H. S., Y. Wang, C. Y. Zhang, et al. "Physiological and biochemical responses of in vitro Fusarium oxysporum f.sp. niveum to benzoic acid." Folia Microbiologica 54, no. 2 (2009): 115–22. http://dx.doi.org/10.1007/s12223-009-0017-6.

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Wu, Hong-sheng, Yang Wang, Wei Bao, et al. "Responses of Fusarium oxysporum f. sp. niveum to exogenously added sinapic acid in vitro." Biology and Fertility of Soils 45, no. 4 (2009): 443–47. http://dx.doi.org/10.1007/s00374-009-0353-3.

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Hudson, Owen, Sumyya Waliullah, James C. Fulton, et al. "Marker Development for Differentiation of Fusarium oxysporum f. sp. Niveum Race 3 from Races 1 and 2." International Journal of Molecular Sciences 22, no. 2 (2021): 822. http://dx.doi.org/10.3390/ijms22020822.

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Fusarium wilt of watermelon, caused by Fusarium oxysporum f. sp. niveum (FON), is pathogenic only to watermelon and has become one of the main limiting factors in watermelon production internationally. Detection methods for this pathogen are limited, with few published molecular assays available to differentiate FON from other formae speciales of F. oxysporum. FON has four known races that vary in virulence but are difficult and costly to differentiate using traditional inoculation methods and only race 2 can be differentiated molecularly. In this study, genomic and chromosomal comparisons fac

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Fulton, James C., B. Sajeewa Amaradasa, Tülin S. Ertek, et al. "Phylogenetic and phenotypic characterization of Fusarium oxysporum f. sp. niveum isolates from Florida-grown watermelon." PLOS ONE 16, no. 3 (2021): e0248364. http://dx.doi.org/10.1371/journal.pone.0248364.

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Fusarium wilt of watermelon (Citrullus lanatus) caused by Fusarium oxysporum f. sp. niveum (Fon), has become an increasing concern of farmers in the southeastern USA, especially in Florida. Management of this disease, most often through the use of resistant cultivars and crop rotation, requires an accurate understanding of an area’s pathogen population structure and phenotypic characteristics. This study improved the understanding of the state’s pathogen population by completing multilocus sequence analysis (MLSA) of two housekeeping genes (BT and TEF) and two loci (ITS and IGS), aggressivenes

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Zhang, M., X. P. Yang, J. H. Xu, G. Liu, X. F. Yao, and P. F. Li. "PHYSIOLOGICAL RESPONSES OF WATERMELON GRAFTED ONTO BOTTLE GOURD TO FUSARIUM OXYSPORUM F. SP. NIVEUM INFECTION." Acta Horticulturae, no. 1086 (June 2015): 107–11. http://dx.doi.org/10.17660/actahortic.2015.1086.12.

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Chang, Tao-Ho, Ying-Hong Lin, Yu-Ling Wan, Kan-Shu Chen, Jenn-Wen Huang, and Pi-Fang Linda Chang. "Degenerated Virulence and Irregular Development of Fusarium oxysporum f. sp. niveum Induced by Successive Subculture." Journal of Fungi 6, no. 4 (2020): 382. http://dx.doi.org/10.3390/jof6040382.

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Successive cultivation of fungi on artificial media has been reported to cause the sectorization, which leads to degeneration of developmental phenotype, and virulence. Fusarium oxysporum f. sp. niveum (Fon), the causal agent of watermelon Fusarium wilt, forms degenerated sectors after successive cultivation. In the present research, we demonstrated that subculture with aged mycelia increased the incidence of degenerations. To further investigate the differences between the Fon wild type (sporodochial type, ST) and variants (MT: mycelial type and PT: pionnotal type), developmental phenotypes a

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Xu, Weihui, Kexin Wang, Hengxu Wang, et al. "Evaluation of the biocontrol potential of Bacillus sp. WB against Fusarium oxysporum f. sp. niveum." Biological Control 147 (August 2020): 104288. http://dx.doi.org/10.1016/j.biocontrol.2020.104288.

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Zhang, Meng, Jing Ge, and Xiangyang Yu. "Transcriptome Analysis Reveals the Mechanism of Fungicidal of Thymol Against Fusarium oxysporum f. sp. niveum." Current Microbiology 75, no. 4 (2017): 410–19. http://dx.doi.org/10.1007/s00284-017-1396-6.

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Hao, Wen-ya, Li-xuan Ren, Wei Ran, and Qi-rong Shen. "Allelopathic effects of root exudates from watermelon and rice plants on Fusarium oxysporum f.sp. niveum." Plant and Soil 336, no. 1-2 (2010): 485–97. http://dx.doi.org/10.1007/s11104-010-0505-0.

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Faheem, Muhammad, Waseem Raza, Wei Zhong, Zhang Nan, Qirong Shen, and Yangchun Xu. "Evaluation of the biocontrol potential of Streptomyces goshikiensis YCXU against Fusarium oxysporum f. sp. niveum." Biological Control 81 (February 2015): 101–10. http://dx.doi.org/10.1016/j.biocontrol.2014.11.012.

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Miller, Nathan F., Jeffrey R. Standish, and Lina M. Quesada-Ocampo. "Sensitivity of Fusarium oxysporum f. sp. niveum to Prothioconazole and Pydiflumetofen In Vitro and Efficacy for Fusarium Wilt Management in Watermelon." Plant Health Progress 21, no. 1 (2020): 13–18. http://dx.doi.org/10.1094/php-08-19-0056-rs.

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Field experiments were conducted in 2015 and 2016 to determine the effects of drench or drench-plus-foliar applications of prothioconazole and pydiflumetofen on Fusarium wilt (caused by Fusarium oxysporum f. sp. niveum; FON) of watermelon (Citrullus lanatus var. lanatus). In both years, all fungicide treatments reduced final disease incidence, final severity, and area under the disease progress curve, regardless of application rate or method. Yield data were collected in 2016, and both number and weight of marketable fruit were greatest in plots treated with pydiflumetofen as a drench-plus-fol

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