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Artículos de revistas sobre el tema "Fusarium boothii"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 4 de febrero de 2022

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1

Valverde-Bogantes, Esteban, Carlos Bolanos-Carriel, Heather E. Hallen-Adams, Niki McMaster, David G. Schmale, and Stephen N. Wegulo. "Aggressiveness and Deoxynivalenol Production of Nebraska Isolates of Fusarium boothii and F. graminearum." Plant Health Progress 21, no. 2 (2020): 97–102. http://dx.doi.org/10.1094/php-01-20-0001-rs.

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Significant losses in wheat result from Fusarium head blight (FHB) and its associated mycotoxin deoxynivalenol (DON). The predominant FHB pathogen in North America is Fusarium graminearum. F. boothii was recently confirmed for the first time in the United States as a causal agent of FHB in Nebraska wheat fields. This greenhouse study compared the aggressiveness and DON production in wheat among 13 F. graminearum and three F. boothii isolates from Nebraska. Spikes of the susceptible spring wheat cultivar Wheaton at anthesis were spray-inoculated with spores of the isolates. Severity data were u

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2

Zhang, H., B. Brankovics, W. Luo, et al. "Crops are a main driver for species diversity and the toxigenic potential of Fusarium isolates in maize ears in China." World Mycotoxin Journal 9, no. 5 (2016): 701–15. http://dx.doi.org/10.3920/wmj2015.2004.

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In recent years increasing demands and the relatively low-care cultivation of the crop have resulted in an enormous expansion of the acreage of maize in China. However, particularly in China, Fusarium ear rot forms an important constraint to maize production. In this study, we showed that members of both the Fusarium fujikuroi species complex (FFSC) and the Fusarium graminearum species complex are the causal agents of Fusarium ear rot in the main maize producing areas in China. Fumonisin producing Fusarium verticillioides was the most prevalent species, followed by fumonisin producing Fusarium

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3

Mizutani, Yukiyoshi, Adane Abraham, Kazuma Uesaka, et al. "Novel Mitoviruses and a Unique Tymo-Like Virus in Hypovirulent and Virulent Strains of the Fusarium Head Blight Fungus, Fusarium boothii." Viruses 10, no. 11 (2018): 584. http://dx.doi.org/10.3390/v10110584.

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Hypovirulence of phytopathogenic fungi are often conferred by mycovirus(es) infections and for this reason many mycoviruses have been characterized, contributing to a better understanding of virus diversity. In this study, three strains of Fusarium head blight fungus (Fusarium boothii) were isolated from Ethiopian wheats as dsRNA-carrying strains: hypovirulent Ep-BL13 (>10, 3 and 2.5 kbp dsRNAs), and virulent Ep-BL14 and Ep-N28 (3 kbp dsRNA each) strains. The 3 kbp-dsRNAs shared 98% nucleotide identity and have single ORFs encoding a replicase when applied to mitochondrial codon usage. Phyl

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4

Malihipour, Ali, Jeannie Gilbert, Michele Piercey-Normore, and Sylvie Cloutier. "Molecular Phylogenetic Analysis, Trichothecene Chemotype Patterns, and Variation in Aggressiveness of Fusarium Isolates Causing Head Blight in Wheat." Plant Disease 96, no. 7 (2012): 1016–25. http://dx.doi.org/10.1094/pdis-10-11-0866-re.

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Certain Fusarium species cause Fusarium head blight (FHB) in wheat and other small grains. Differences in characteristics of the pathogen species/isolates used in breeding programs may affect reaction of host genotypes, leading to erroneous results. To clarify differences among Fusarium isolates from different geographical zones, the phylogenetic, chemotypic, and pathogenic abilities of 58 isolates collected from three wheat-producing countries (Canada, Mexico, and Iran) were investigated. Phylogenetic relationships among the isolates were characterized using the Tri101 gene sequence. All Cana

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5

Lamprecht, S. C., Y. T. Tewoldemedhin, W. J. Botha, and F. J. Calitz. "Fusarium graminearum Species Complex Associated with Maize Crowns and Roots in the KwaZulu-Natal Province of South Africa." Plant Disease 95, no. 9 (2011): 1153–58. http://dx.doi.org/10.1094/pdis-02-11-0083.

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Thirty-three isolates of the Fusarium graminearum species complex obtained from diseased maize (Zea mays) crowns and roots in the Winterton district, KwaZulu-Natal province of South Africa were identified to species level. Their pathogenicity and virulence to maize ‘PHI 32D96B’ seedlings were determined under glasshouse conditions, with seedling survival and growth and crown and root rot as criteria. Phylogenetic analyses using the 3-O-acetyltransferase (Tri101) gene region sequences revealed the presence of F. boothii (2 isolates), F. graminearum sensu stricto (26 isolates), and F. meridional

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6

Gomes, A. A. M., A. R. Machado, A. P. S. Ferreira, D. C. Dutra, and O. L. Pereira. "Postharvest Fruit Rot of Tomato in Brazil Caused by Fusarium boothii." Plant Disease 99, no. 4 (2015): 555. http://dx.doi.org/10.1094/pdis-09-14-0903-pdn.

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7

Okello, Paul N., Kristina Petrović, Brian Kontz, and Febina M. Mathew. "Eight Species of Fusarium Cause Root Rot of Corn (Zea mays) in South Dakota." Plant Health Progress 20, no. 1 (2019): 38–43. http://dx.doi.org/10.1094/php-11-18-0075-rs.

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Fusarium root rot of corn (Zea mays L.) is yield-limiting in the United States, but there is no information available on the disease in South Dakota. In 2015, corn seedlings with discolored roots were arbitrarily sampled from 50 South Dakota fields, and 198 isolates were recovered. Eight species (F. acuminatum, F. boothii, F. equiseti-incarnatum complex, F. graminearum, F. oxysporum, F. proliferatum, F. solani, and F. subglutinans) were identified by morphology and translation elongation factor 1-α gene sequencing. F. graminearum (26.8%) was the most common fungus, and F. boothii (0.5%) was th

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8

Lee, Kyung-Mi, Jisuk Yu, Moonil Son, Yin-Won Lee, and Kook-Hyung Kim. "Transmission of Fusarium boothii Mycovirus via Protoplast Fusion Causes Hypovirulence in Other Phytopathogenic Fungi." PLoS ONE 6, no. 6 (2011): e21629. http://dx.doi.org/10.1371/journal.pone.0021629.

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9

Wegulo, S. N., E. Valverde-Bogantes, C. Bolanos-Carriel, et al. "First Report of Fusarium boothii Causing Head Blight of Wheat in the United States." Plant Disease 102, no. 12 (2018): 2646. http://dx.doi.org/10.1094/pdis-04-18-0696-pdn.

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10

Jimenez, Cristina M., Diego A. Sampietro, Melina A. Sgariglia, José R. Soberón, and Marta A. Vattuone. "Isolation, Identification and Usefulness of Antifungal Compounds from Zuccagnia punctata for Control of Toxigenic Ear Rot Pathogens." Natural Product Communications 9, no. 10 (2014): 1934578X1400901. http://dx.doi.org/10.1177/1934578x1400901014.

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Infusion, tincture and decoction of leaves of Zuccagnia punctata Cav. were assayed on growth of Fusarium verticillioides, F. graminearum sensu stricto, F. boothii, F. meridionale, F. subglutinans and F. thapsinum. The tincture showed the lowest IC50 on mycelial growth. A diethyl ether fraction of the tincture showed the highest antifungal activity in microdilution assays on F. verticillioides and F. graminearum. The antifungal constituents were separated by silica gel chromatography and identified as 2′,4′-dihydroxychalcone, 2′,4′-dihydroxy-3′-methoxychalcone and 7-hydroxy-3′,4′-dimethoxyflavo

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11

Backhouse, David. "Global distribution of Fusarium graminearum, F. asiaticum and F. boothii from wheat in relation to climate." European Journal of Plant Pathology 139, no. 1 (2014): 161–73. http://dx.doi.org/10.1007/s10658-013-0374-5.

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12

Amarasinghe, Chami, Barbara Sharanowski, and W. G. Dilantha Fernando. "Molecular Phylogenetic Relationships, Trichothecene Chemotype Diversity and Aggressiveness of Strains in a Global Collection of Fusarium graminearum Species." Toxins 11, no. 5 (2019): 263. http://dx.doi.org/10.3390/toxins11050263.

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Fusarium head blight (FHB), caused principally by the species belonging to the Fusarium graminearum species complex (FGSC), is an important disease in wheat, barley, and other small grain crops worldwide. Grain infected with species in the FGSC may be contaminated with trichothecene mycotoxins such as deoxynivalenol (DON) and nivalenol (NIV). In this study, we characterized the phylogenetic relationships, chemotype diversity, phenotypic characters, and aggressiveness of 150 strains in FGSC collected from eight different countries. Phylogenetic analysis based on portions of translation elongati

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13

Gryzenhout, M., B. Khooa, and L. Landman. "First report of Fusarium boothii from pecan (Carya illinoinensis) and camel thorn (Vachellia erioloba) trees in South Africa." South African Journal of Botany 105 (July 2016): 158–62. http://dx.doi.org/10.1016/j.sajb.2016.03.003.

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14

Sánchez, Ma Beatriz, Ana María García, José Luis Contreras, David Eduardo Torres, Rubén San Miguel, and Patricia Guevara. "Biological activity and flavonoid profile of five species of the Bursera genus." Botanical Sciences 98, no. 4 (2020): 545–53. http://dx.doi.org/10.17129/botsci.2624.

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Background: The genus Bursera Jacq. ex. L. concentrates its diversity in Mexico. Among the secondary metabolites that can be isolated from organic its extracts are flavonoids and lignans. Research question: Do the biological activity of the hydroalcoholic extracts from five Bursera species studied depend on their flavonoid content? Study site: Oaxaca, Mexico. Methods: The extracts of B. aptera Ramírez, B. fagaroides (Kunth) Engl., B. schlechtendalii Engl., B. galeottiana Engl., B. morelensis Ramírez were analyzed by High Resolution Liquid Chromatography (HPLC) to determine th

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15

Garibaldi, A., G. Gilardi, and M. L. Gullino. "Fusarium Wilt of Bitterroot (Lewisia cotyledon) in Italy Caused by Fusarium oxysporum." Plant Disease 89, no. 6 (2005): 684. http://dx.doi.org/10.1094/pd-89-0684a.

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During the spring of 2004, bitterroot (Lewisia cotyledon (S. Wats.) B.L. Robins), a flowering perennial of interest for rock gardens, showed symptoms of a wilt disease in several commercial nurseries located in Piedmont (northern Italy). Ten to thirty percent of plants from several different nurseries were affected. Wilted plants were first observed approximately 20 days after being transplanted into containers when outside temperatures ranged from 15 to 22°C. Symptomatic plants were stunted with yellowed leaves and brown-to-black veins. The vascular browning extended into the crown and was co

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16

Przeździecki, Zdzisław, and Danuta Murawa. "Changes in chemical composition of potato tubers caused by dry rot (Fusarium solani (Mart.) Sacc. var. coeruleum (Sacc.) Booth, Fusarium sulphureum Schlecht.)." Acta Agrobotanica 44, no. 1-2 (2013): 55–63. http://dx.doi.org/10.5586/aa.1991.005.

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Investigations on effect of dry root (<i>F. solani</i> var. <i>coeruleum</i> and <i>F. sulphureum</i>) pathogens on three potato cultivares Azalia, Pola, Odra chemical composition were carried out. Content of total nitrogen and protein, total saccharides, reducting and bisaccharides and vit. C was investigated. Significant decrease of total and protein nitrogen content in potatoes affected by <i>Fusarium</i> in relation to intact tubers was found. Moreover increase of reducting saccharides and bisaccharides in potatoes infected by <i>Fusari

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17

Garibaldi, A., A. Minuto, M. Shiniti Uchimura, and M. L. Gullino. "Fusarium Wilt of Gerbera Caused by a Fusarium sp. in Brazil." Plant Disease 92, no. 4 (2008): 655. http://dx.doi.org/10.1094/pdis-92-4-0655b.

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In 2006, gerbera (Gerbera jamesonii) plants, cvs. Basic, Xena, and Olimpia grown for cut flower production in two greenhouse farms in the region of Guarapuava, Paraná, Brazil, exhibited symptoms of a wilt disease. Affected plants (approximately 20, 60, and 50% on cvs. Basic, Xena, and Olimpia, respectively) were stunted and developed yellow leaves unilaterally with initially brown and eventually black streaks in the vascular system. The first symptoms occurred 2 months after transplanting during the hottest period of the summer with an average air temperature of 27°C. Vascular streaks in the y

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18

Nwaiwu, M. Y., and A. E. Arinze. "Screening of Tomato Cultivars for Resistance to Pulsarium Wilt in Eastern States of Nigeria." Acta Agrobotanica 46, no. 1 (2013): 67–71. http://dx.doi.org/10.5586/aa.1993.006.

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The causual organism of the out-break of wilt disease of tomato in the Imo and Rivers States of Nigeria was identified as <i>Fusarium pallindoroseum</i> (Berk and Rav) Booth and Sutton, and its pathogenicity was established. Experiments were designed to screen five tomato cultivars for resistance to <i>F. pallidoroseum</i>. Four methods were employed in the screening experiments. The results of all the methods used showed the cultivar IFe-l as the most susceptible (65 %) while the Chef Cultivar was the most resistant with less than 10 % of the test plants wilting.

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19

Cao, X. M., J. Cai, S. B. Li, H. Zhang, Z. Q. Lu, and X. P. Hu. "Fusarium solani and Fusarium oxysporum Associated with Root Rot of Glycyrrhiza uralensis in China." Plant Disease 97, no. 11 (2013): 1514. http://dx.doi.org/10.1094/pdis-12-12-1111-pdn.

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Liquorice (root of Glycyrrhiza uralensis Fisch.) is an important Chinese traditional medicine for many ailments (4). From 2002, severe outbreaks of root rot occurring on cultivated G. uralensis plants in Ningxia, China, have affected the yield and quality of liquorice and been considered as a major threat to commercial production of liquorice. Approximately 30% of the plants die from this disease in Ningxia every year. The disease, mainly affecting 2- to 4-year-old G. uralensis seedlings, begins with brown rot of root tips or lateral roots followed by internal decay of taproots during June to

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20

Pérez, B. A., F. Murillo, M. Divo de Sesar, and E. R. Wright. "Occurrence of Fusarium solani on Blueberry in Argentina." Plant Disease 91, no. 8 (2007): 1053. http://dx.doi.org/10.1094/pdis-91-8-1053c.

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Blueberry plants with root rot and sudden death symptoms were collected in Concordia, Entre Ríos. Diseased roots were disinfected by immersion in 0.5% NaOCl for 2 min, cut into pieces, transferred to carrot agar (CA), and maintained at 20 ± 2°C and 12 h of near UV light (Philips Black Light lamps TL 40W/08). Conidia were identified with an Olympus BX-51 optical microscope by using a CoolSNAP Pro digital kit with image-pro plus and color digital camera (Media Cybernetics, Inc., Silver Spring, MD). Macroconidia length was variable, 3.9 μm and as much as 29 μm (1 to 5 septa), and microconidia mea

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21

Sutton, Brian C., and Gill B. Butterfill. "Colin Booth (1924–2003): a leading authority on fusaria." Mycological Research 107, no. 11 (2003): 1372–75. http://dx.doi.org/10.1017/s0953756203008645.

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22

Vajna, L. "First Report of Trunk Blight and Canker of Morus alaba var. pendula Caused by Fusarium lateritium f. sp. mori in Hungary." Plant Disease 84, no. 3 (2000): 372. http://dx.doi.org/10.1094/pdis.2000.84.3.372a.

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Morus alba var. pendula (mulberry) is a favorite ornamental tree in Hungary. In 1998 and 1999, a canker disease was observed on this species in a western Hungarian ornamental tree nursery in Köszeg. Bark necrosis and cankers exposing the xylem were observed on the trunks of 1-, 2-, and 3-year-old trees. Pink sporodochia 200 to 400 μm in diameter were found in the necrotic bark. The fungus associated with the trunk cankers was identified as Fusarium lateritium Nees:Fr. f. sp. mori (Desmaz.) Matuo & K. Sato (1) from sporodochia and fungal isolates recovered from necrotic tissues. Isolations

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23

Rongyi, Zhang, Tan Zhiqiong, and Cheng Shanying. "First Report of Leaf Rot Caused by Fusarium oxysporum and Pythium aphanidermatum on Aechmea fasciata in Hainan Province, China." Plant Disease 87, no. 5 (2003): 599. http://dx.doi.org/10.1094/pdis.2003.87.5.599a.

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Aechmea fasciata is a bromeliad that is propagated by tissue culture as an ornamental plant. A high percentage (25 to 55%) of 1- to 5-month-old seedlings were found decayed in nursery gardens that have been established in recent years in Hainan Province, People's Republic of China. There were two types of symptoms: (i) in yellow rot, the decay appears first in the new leaf apex as a water-soaked, yellow lesion, and the lesion spreads from the leaf apex to the leaf base until the whole leaf becomes water soaked and yellow; and (ii) in brown rot, decay occurs first at the base of older leaves. T

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24

Lepoint, Pascale C. E., Françoise T. J. Munaut, and Henri M. M. Maraite. "Gibberella xylarioides Sensu Lato from Coffea canephora: a New Mating Population in the Gibberella fujikuroi Species Complex." Applied and Environmental Microbiology 71, no. 12 (2005): 8466–71. http://dx.doi.org/10.1128/aem.71.12.8466-8471.2005.

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ABSTRACT Gibberella xylarioides Heim & Saccas (presumed anamorph, Fusarium xylarioides Steyaert) is the causal agent of coffee wilt disease, an economically important tracheomycosis in Africa. In vitro crosses carried out with Congolese, Ugandan, and Tanzanian single-ascospore/conidial isolates originating from diseased Coffea canephora/excelsa demonstrated a heterothallic mating system, controlled by a single locus with two alleles, MAT-1 and MAT-2. Compatible isolates produced fertile perithecia within 2 to 8 weeks after mating. Mating type (MAT) was characterized by PCR with primer pair

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25

Bienapfl, J. C., D. K. Malvick, and J. A. Percich. "First Report of Fusarium redolens Causing Root Rot of Soybean in Minnesota." Plant Disease 94, no. 8 (2010): 1069. http://dx.doi.org/10.1094/pdis-94-8-1069b.

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Multiple Fusarium species have been found in association with soybean (Glycine max) plants exhibiting root rot in the United States (3). Soybean plants that lacked apparent foliar symptoms, but exhibited 2- to 5-mm brown, necrotic taproot lesions and lateral root necrosis were observed in Minnesota in one field each in Marshall and Otter Tail counties in July of 2007, as well as in one field in Marshall County in July of 2008. Sampling was conducted as part of a study investigating root rot in major soybean-production areas of Minnesota. Plants were arbitrarily dug up at the R3 growth stage. R

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26

Vettraino, A. M., G. P. Shrestha, and A. Vannini. "First Report of Fusarium solani Causing Wilt of Olea europaea in Nepal." Plant Disease 93, no. 2 (2009): 200. http://dx.doi.org/10.1094/pdis-93-2-0200a.

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Leaf drop, wilt, and mortality were observed in September of 2007 on approximately 10% of 1- to 2-year-old olive (Olea europaea cv. Leccino) plants shipped from Europe and growing in a nursery in the District of Makwampur, Nepal. Roots of symptomatic and asymptomatic plants were disinfected in 1% NaOCl, cut into 1 cm long pieces, plated on 2% potato dextrose agar, and maintained at 20°C with 14 h of light per day. Colonies with white mycelium developed after 3 days. Microconidia and three-septated macroconidia averaged 11 × 3.9 μm and 38 × 5 μm, respectively. Chlamydospores were produced singl

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27

Montecchio, L. "Damping-Off of Beech Seedlings Caused by Fusarium avenaceum in Italy." Plant Disease 89, no. 9 (2005): 1014. http://dx.doi.org/10.1094/pd-89-1014a.

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During May of 2004, damping-off of an estimated 70% of beech (Fagus sylvatica L.) seedlings was observed in a bare-root forest nursery located in northern Italy. Twenty-eight days after sowing, cotyledonary leaves were chlorotic, wilted, and occasionally desiccated; stem and collars appeared stunted and discolored with yellowish gray-to-brownish longitudinal streaks arising from the foot region, and rootlets were partially to completely rotten. No fruiting bodies were present on or near the damaged regions. Seedling establishment was poor within the disease foci that gradually increased in siz

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Babbitt, S., M. Gally, B. A. Pérez, and D. Barreto. "First Report of Nectria haematococca Causing Wilt of Olive Plants in Argentina." Plant Disease 86, no. 3 (2002): 326. http://dx.doi.org/10.1094/pdis.2002.86.3.326a.

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Death of 8- to 12-month-old olive plants (Olea europaea L. ‘Arbequina’, ‘Arauco’, and ‘Picual’) has been observed since 1998 in northwestern Argentina. No mycelium or perithecium was observed when examining rotting roots of greenhouse-collected plants. Root segments of diseased plants were plated on potato dextrose agar. Cultures developed a white mycelium after 2 to 3 days, producing microconidia, macroconidia, and chlamydospores identified as Fusarium solani (1). After 15 days of incubation at 23 ± 2°C, reddish perithecia developed infrequently on root segments and adjacent substratum. Singl

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Uppala, S., B. M. Wu, and T. N. Temple. "First Report of Fusarium solani on Utah Sweetvetch in the United States." Plant Disease 97, no. 3 (2013): 423. http://dx.doi.org/10.1094/pdis-08-12-0789-pdn.

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Utah sweetvetch (Hedysarum boreale Nutt.) is a native American perennial nitrogen fixing legume used mainly in rangeland reclamation, soil rejuvenation, and erosion control. In June 2011, a field of Utah sweetvetch grown for seeds in central Oregon had approximately 15% of the plants exhibiting chlorosis, defoliation, stunting, wilting, and/or death. Dissection of the crown of symptomatic plants revealed discolored pinkish brown vascular tissue. Symptomatic tissues from six random plants were surface sterilized, placed on acidified potato dextrose agar (PDA) medium, and cultured for 7 days at

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Tosi, L., and C. Cappelli. "First Report of Fusarium oxysporum f. sp. lentis of Lentil in Italy." Plant Disease 85, no. 5 (2001): 562. http://dx.doi.org/10.1094/pdis.2001.85.5.562a.

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During June and July 1999-2000, a disease causing severe losses of seedlings of a local ecotype of lentil (Lens culinaria Medik, syn. Lens esculenta Moench.) was observed in four commercial fields in central Italy (Umbria and Latium regions). Disease symptoms, observed in both years, included stunting, wilting, marked reduction of root system, and internal vascular discoloration of the lower stem. Twenty-five samples for each field, consisting of lentil roots and stems, were collected. Seven to eight tissue pieces per sample, derived from the lower stem and a variety of root sizes, were sample

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Zheng, L., Y. Peng, J. Zhang, W. J. Ma, S. J. Li, and T. H. Zhu. "First Report of Fusarium solani Causing Root Rot of Juglans sigllata Dode in China." Plant Disease 99, no. 1 (2015): 159. http://dx.doi.org/10.1094/pdis-08-14-0801-pdn.

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Juglans sigllata Dode, known as the iron walnut, is widely planted in Liangshan prefecture of southwest China for its nuts and wood. Liangshan prefecture is a major traditional growing area of J. sigllata and has unique advantages for walnut industrial development because of its good soil, climate, and availability of water. Currently there are 2.7 million hectares of walnut, contributing important incomes for farmers. In April 2013, numerous J. sigllata were found infected with root rot in the Muli county of Liangshan prefecture. Symptoms included dried leaves, dead branchcs, and even death.

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Correia, K. C., B. O. Souza, M. P. S. Câmara, and S. J. Michereff. "First Report of Stem Rot of Papaya Caused by Fusarium solani Species Complex in Brazil." Plant Disease 97, no. 1 (2013): 140. http://dx.doi.org/10.1094/pdis-06-12-0519-pdn.

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In October 2010, 2-year-old papaya (cv. Hawaii) trees with high incidence of stem rot were observed during a survey conducted in Rio Grande do Norte state, northeastern Brazil. Stems showing reddish brown-to-dark brown symptoms were collected and small pieces (4 to 5 mm) of necrotic tissues were surface sterilized for 1 min in 1.5% NaOCl, washed twice with sterile distilled water, and plated onto potato dextrose agar (PDA) amended with 0.5 g liter–1 streptomycin sulfate. Plates were incubated at 25°C with a 12-h photopheriod for 4 days. Pure cultures with white, fluffy aerial mycelia were obta

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Li, B. J., Y. Liu, Y. X. Shi, X. W. Xie, and Y. L. Guo. "First Report of Crown Rot of Grafted Cucumber Caused by Fusarium solani in China." Plant Disease 94, no. 11 (2010): 1377. http://dx.doi.org/10.1094/pdis-03-10-0217.

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Grafting has been widely and effectively used in cucumber (Cucumis sativus) cultivation for approximately 30 years in China to avoid Fusarium wilt caused by Fusarium oxysporum Schl. f. sp. cucumerinum Owen. In greenhouses, 90% of cucumbers are grafted onto pumpkin (Cucurbita moschata) rootstock. However, in March 2009, a severe crown rot causing yellowing and wilting of the leaves was observed on grafted cucumber in a large number of greenhouses in Lingyuan, western Liaoning Province in China. Symptoms consisted of dark brown, water-soaked lesions and a dense, white mycelial mat at the base of

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Ji, P., J. Yin, and K. L. Jackson. "First Report of Root Rot Caused by Fusarium solani on Benincasa hispida in the United States." Plant Disease 96, no. 2 (2012): 294. http://dx.doi.org/10.1094/pdis-06-11-0494.

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Root rot was observed on wax gourd (Benincasa hispida (Thunb.) Cogn.) cv. Black Giant in August 2010 in a commercial vegetable farm in southern Georgia. Approximately 5% of the plants were affected and infected roots turned light to dark brown with partial or entire roots affected and the lower leaves became wilted. Symptomatic roots from six plants were surface sterilized with 0.6% sodium hypochlorite and plated on potato dextrose agar (PDA) medium. Pure cultures had white mycelia and spore masses and were obtained from all six plants by subculturing hyphal tips onto PDA. One- to two-celled,

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Gupta, V., V. K. Razdan, D. John, and B. C. Sharma. "First Report of Leaf Blight of Cyperus iria Caused by Fusarium equiseti in India." Plant Disease 97, no. 6 (2013): 838. http://dx.doi.org/10.1094/pdis-07-12-0690-pdn.

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In India, rice (Oryza sativa L.) plays a major role in national food security, with total production of 102.75 million t, harvested from 44 million ha during 2011 (1). Weeds are one of the major causes of losses in rice. Cyperus iria, locally known as chatriwala dela (rice flat sedge), is an annual weed in the Cyperaceae that can reach 50 to 60 cm tall. A leaf blight of C. iria was observed during August 2010 in a 20-ha rice field (cv. Basmati 370) at the University Research Farm, Chatha, Jammu (32° 43′ N, 74° 54′ E). Symptomatic plants were scattered randomly in the field and had water-soaked

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Gupta, V., D. John, V. K. Razdan, and S. K. Gupta. "First Report of Tuber Rot Disease of Kala Zeera Caused by a Member of the Fusarium solani Species Complex in India." Plant Disease 96, no. 7 (2012): 1067. http://dx.doi.org/10.1094/pdis-02-12-0148-pdn.

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Bunium persicum (Kala zeera, also black cumin) is an economically important culinary crop that is cultivated for its seed pods and its tuberlike roots. In India, high-altitude regions of Himachal Pradesh, including the Padder valley and the Gurez area of Jammu and Kashmir, are areas of kalazeera production (3). In 2008 to 2009, tuber rot disease of kala zeera was observed during the late spring season in the Padder valley. Symptomatic plants were distributed in localized areas in the field and the symptoms included drying of foliage and rotting of tubers. White mycelia were found on the tubers

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Gai, Y., R. Pan, D. Xu, M. Deng, W. Chen, and W. Liu. "First Report of Nectria haematococca Causing Stem Rot of Soybean in China." Plant Disease 96, no. 3 (2012): 457. http://dx.doi.org/10.1094/pdis-07-11-0626.

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In October 2010, soybean (Glycine max) plants growing in commercial soybean fields in Zengcheng City, Guangdong Province developed symptoms consisting of stem and root rot, yellowing, and defoliation of leaves. Reddish, spherical fruiting bodies appeared in lesions that developed on stems. Plants with symptoms were sampled from fields. Fruiting bodies were excised from diseased tissues. Microscopic examination revealed that they were perithecia, globose to pyriform, and measured 197 to 260 μm in diameter and 226 to 358 μm long. When squeezed gently, cylindrical to clavate asci, 7.2 to 9.6 μm i

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Valverde-Bogantes, Esteban, Andreia Bianchini, Stephen Wegulo, and Heather Hallen-Adams. "Species and trichothecene genotype of pathogens causing Fusarium head blight of wheat in Nebraska, USA." Plant Health Progress, July 14, 2021. http://dx.doi.org/10.1094/php-02-21-0020-rs.

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Fusarium head blight (FHB) is an economically important disease caused by several Fusarium species affecting wheat and other small grain cereals. In recent years, reports of shifts in populations of FHB pathogens around the world have shown that these populations are dynamic and change continuously, often resulting in increased yield losses or changes in the mycotoxins produced in the grain, which highlights the need for increased vigilance. The objective of this research was to identify the species and trichothecene genotypes of FHB pathogens in Nebraska in order to monitor their populations

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Xi, Kaifei, Liuying Shan, Yini Yang, Guoqing Zhang, Jun Zhang, and Wei Guo. "Species Diversity and Chemotypes of Fusarium Species Associated With Maize Stalk Rot in Yunnan Province of Southwest China." Frontiers in Microbiology 12 (August 20, 2021). http://dx.doi.org/10.3389/fmicb.2021.652062.

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Maize stalk rot caused by Fusarium species is one of the most important fungal diseases of maize throughout the world. The disease is responsible for considerable yield losses and has also been associated with mycotoxin contamination of the crop. In this study, a survey of maize stalk rot was performed in seven locations of Yunnan Province in China during the cropping season of 2015 and 2016. Based on morphological and molecular characteristics, 204 isolates belonging to 12 Fusarium spp. from symptomatic stalks of maize were identified. Among the isolated strains, 83 were identified as Fusariu

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Montoya-Martínez, Amelia C., Kerry O'Donnell, Mark Busman, et al. "Weeds harbor Fusarium species that cause malformation disease of economically important trees in western Mexico." Plant Disease, September 27, 2021. http://dx.doi.org/10.1094/pdis-06-21-1339-re.

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Mango malformation disease (MMD) caused by Fusarium spp. is an important limiting factor in most production areas worldwide. Fusarium mexicanum and F. pseudocircinatum have been reported as causing MMD in Mexico. These two pathogens also cause a similar disease in Swietenia macrophylla (big-leaf mahogany malformation disease or BLMMD) in central western Mexico, while F. pseudocircinatum was recently reported as causing malformation disease in Tabebuia rosea (rosy trumpet) in the same region. These studies suggest that additional plant species, including weeds, might be hosts of these pathogens

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Zhu, Jun Zi, Chang Xin Li, Ya-ming Ma, Jie Zhong, and Xiao Gang Li. "First Report of Fusarium xylarioides Causing Root and Stem Rot on Aloe vera in China." Plant Disease, October 13, 2020. http://dx.doi.org/10.1094/pdis-07-20-1514-pdn.

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Aloe vera (L.) Burm f. is a perennial herb belonging to the family liliaceae. It is widely grown for medicinal, cosmetic and vegetable use. In 2018 and 2019, a root rot disease occurred on potted A. vera plants in a nursery in the Hunan Province of China. Symptoms of the disease include water soaking lesions, brown spots on taproot or basal part of the stem. The plants were easy to pull out when the taproot is rotten or necrotic. As the disease progressed upward, leaves in the basal part of stems became red-brown and gradually fell off. In severe cases, the whole plants became rotten and wilte

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Nisa, Qadrul, Efath Shahnaz, Saba Banday, et al. "First report of Fusarium solani associated with the bulb rot of Tulip (Tulipa spp) in India." Plant Disease, July 21, 2021. http://dx.doi.org/10.1094/pdis-05-21-0916-pdn.

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Tulip is an ornamental bulbous flowering crop belonging to the Genus Tulipa and family Liliaceae. It is the first ranking bulbous ornamental plant in the world (Nayeem and Qayoom 2015). They are often the first flowers to witness the bloom in the spring. Kashmir valley is located in northern Himalayas in northwestern region of Indian subcontinent. It is the most alluring and fascinating place all over India and the home of famous “Indhra Gandhi Memorial Tulip garden”, the largest tulip garden in the entire Asia. However there are number of constraints in tulip cultivation among which bulb rot

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Mishra, Raj Kumar, Monika Mishra, Abhishek Bohra, et al. "First report of Fusarium equiseti (Corda) Sacc. causing wilt of Cajanus scarabaeoides, a wild relative of pigeonpea in India." Plant Disease, March 24, 2021. http://dx.doi.org/10.1094/pdis-12-20-2723-pdn.

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Wild species or crop wild relatives (CWRs) provide a unique opportunity to introduce novel traits and expand the genetic base of the cultivated pigeonpea (Bohra et al. 2010, 2020). Among the wild relatives of pigeonpea, Cajanus scarabaeoides is cross-compatible with cultivated pigeonpea (C. cajan). To identify the resistant sources for use in the pigeonpea breeding, the present study was conducted using 79 wild pigeonpea accessions at ICAR-Indian Institute of Pulses Research, Kanpur, India during 2016-17 and 2017-18 (Figures 1 a and b). The pigeonpea accessions belonged to three different gene

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