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Journal articles on the topic 'Cauliflower Nicotiana Mosaic diseases. Virus diseases of plants. Plant diseases'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Farzadfar, S., R. Pourrahim, A. R. Golnaraghi, S. Jalali, and A. Ahoonmanesh. "Occurrence of Radish mosaic virus on Cauliflower and Turnip Crops in Iran." Plant Disease 88, no. 8 (2004): 909. http://dx.doi.org/10.1094/pdis.2004.88.8.909a.

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During the spring and summer of 2003, symptoms of mosaic, mottle, and crinkle were observed in cauliflower (Brassica oleracea) and turnip (Brassica rapa) fields in the Qazvin and Esfahan provinces of Iran, respectively. Leaf extracts of these plants, made infective by mechanical inoculation, caused necrotic local lesions on Chenopodium amaranticolor, chlorotic ring spot on Nicotiana tabacum cv. Samsun, and chlorotic local lesions followed by systemic mosaic on Brassica rapa (1). Using double-antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA) and specific polyclonal antibodies (As-

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2

Costa, H., J. A. Ventura, A. S. Jadão, J. A. M. Rezende, and A. P. O. A. Mello. "First Report of Turnip mosaic virus on Watercress in Brazil." Plant Disease 94, no. 8 (2010): 1066. http://dx.doi.org/10.1094/pdis-94-8-1066a.

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Watercress (Nasturtium officinale L.), a member of the family Brassicaceae, is consumed mainly as salad. Medicinal properties have also been attributed to this species. In Brazil, watercress is grown mainly by very small farmers. The crop is primarily seed propagated and growers can harvest several times per year in an established planting. Very few diseases have been reported in this crop worldwide. In Brazil, watercress infection by Cauliflower mosaic virus (CaMV) (3), Cucumber mosaic virus (CMV) (1), and an unidentified potyvirus (2) were previously reported. In January 2009, 80% of watercr

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3

Cui, Xiaofeng, Xiaorong Tao, Yan Xie, Claude M. Fauquet та Xueping Zhou. "A DNAβ Associated with Tomato Yellow Leaf Curl China Virus Is Required for Symptom Induction". Journal of Virology 78, № 24 (2004): 13966–74. http://dx.doi.org/10.1128/jvi.78.24.13966-13974.2004.

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ABSTRACT We report here that all 25 isolates of Tomato yellow leaf curl China virus (TYLCCNV) collected from tobacco, tomato, or Siegesbeckia orientalis plants in different regions of Yunnan Province, China, were associated with DNAβ molecules. To investigate the biological role of DNAβ, full-length infectious clones of viral DNA and DNAβ of TYLCCNV isolate Y10 (TYLCCNV-Y10) were agroinoculated into Nicotiana benthamiana, Nicotiana glutinosa, Nicotiana. tabacum Samsun (NN or nn), tomato, and petunia plants. We found that TYLCCNV-Y10 alone could systemically infect these plants, but no symptoms

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4

Rajaofera, Mamy Jayne Nelly, Yi Wang, Zaheer Amed Jatoi, et al. "Bacillus atrophaeus HAB-5 secretion metabolites preventing occurrence of systemic diseases in tobacco plant." European Journal of Plant Pathology 156, no. 1 (2019): 159–72. http://dx.doi.org/10.1007/s10658-019-01873-1.

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AbstractFinding synthetic pesticide alternatives for health and a healthy environment has become a crucial issue for scientific research. A number of studies have reported efficacy of Bacillus species on promoting plant development, as well as protecting plants against pathogen invasion, especially pathogenic fungi and bacteria. However, little was known about Bacillus species in controlling viral diseases. In this study, Bacillus atrophaeus strain HAB-5, isolated from cotton field, Xinjiang, China efficiently promoted the growth of tobacco plants. According to the results, the treatment with

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5

Yang, Xiuling, Yanxiang Ren, Shaoshuang Sun, et al. "Identification of the Potential Virulence Factors and RNA Silencing Suppressors of Mulberry Mosaic Dwarf-Associated Geminivirus." Viruses 10, no. 9 (2018): 472. http://dx.doi.org/10.3390/v10090472.

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Plant viruses encode virulence factors or RNA silencing suppressors to reprogram plant cellular processes or to fine-tune host RNA silencing-mediated defense responses. In a previous study, Mulberry mosaic dwarf-associated virus (MMDaV), a novel, highly divergent geminivirus, has been identified from a Chinese mulberry tree showing mosaic and dwarfing symptoms, but the functions of its encoded proteins are unknown. In this study, all seven proteins encoded by MMDaV were screened for potential virulence and RNA silencing suppressor activities. We found that V2, RepA, and Rep affect the pathogen

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6

Lee, Ga Hyung, and Choong-Min Ryu. "Spraying of Leaf-Colonizing Bacillus amyloliquefaciens Protects Pepper from Cucumber mosaic virus." Plant Disease 100, no. 10 (2016): 2099–105. http://dx.doi.org/10.1094/pdis-03-16-0314-re.

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Beneficial plant-associated bacteria protect host plants against pathogens, including viruses. However, leaf-associated (phyllosphere) bacteria have rarely been investigated as potential triggers of plant systemic defense against plant viruses. We found that leaf-colonizing Bacillus amyloliquefaciens strain 5B6 (isolated from a cherry tree leaf) protected Nicotiana benthamiana and pepper plants against Cucumber mosaic virus (CMV). In a field trial, treatment with strain 5B6 significantly reduced the relative contents of CMV coat protein RNA compared with the water control over a 3-year period,

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7

Qin, Li-Jun, Dan Zhao, Yi Zhang, and De-Gang Zhao. "Selectable marker-free co-expression of Nicotiana rustica CN and Nicotiana tabacum HAK1 genes improves resistance to tobacco mosaic virus in tobacco." Functional Plant Biology 42, no. 8 (2015): 802. http://dx.doi.org/10.1071/fp14356.

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The viral disease caused by tobacco mosaic virus (TMV) is the most prevalent viral disease in many tobacco production areas. A breeding strategy based on resistance genes is an effective method for improving TMV resistance in tobacco. Also, the physiological status of plants is also critical to disease resistance improvement. Potassium ion is one of the most abundant inorganic nutrients in plant cells, and mediates plant responses to abiotic and biotic stresses. Improving K+ content in soil by fertilising can enhance diseases resistance of crops. However, the K+ absorption in plants depends mo

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8

Chiu, Yi-Shu, Pi-Yu Chen, Tung Kuan, et al. "A Polysaccharide Derived from a Trichosporon sp. Culture Strongly Primes Plant Resistance to Viruses." Molecular Plant-Microbe Interactions® 31, no. 12 (2018): 1257–70. http://dx.doi.org/10.1094/mpmi-01-18-0012-r.

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Plant viruses cause devastating diseases in plants, yet no effective viricide is available for agricultural application. We screened cultured filtrates derived from various soil microorganisms cultured in vegetable broth that enhanced plant viral resistance. A cultured filtrate, designated F8 culture filtrate, derived from a fungus belonging to the genus Trichosporon, induced strong resistance to various viruses on different plants. Our inoculation assay found the infection rate of Tobacco mosaic virus (TMV)-inoculated Nicotiana benthamiana with F8 culture filtrate pretreatment may decrease to

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9

Ghotbi, T., and K. Bananej. "First Report of Cucumber mosaic virus in Banana from Iran." Plant Disease 89, no. 8 (2005): 914. http://dx.doi.org/10.1094/pd-89-0914a.

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Banana bunchy top virus (BBTV), Banana streak virus (BSV), and Cucumber mosaic virus (CMV) (genus Cucumovirus, family Bromoviridae [2]) cause widespread economic losses on banana (Musa sp.) throughout the world and have been reported on banana in different countries including Pakistan along its southeastern border with Iran (1). A survey was conducted from 2004–2005 to identify viruses infecting banana in greenhouses in different growing areas in northern Iran, Mazandaran Province (Sari, Babol, Behshahr, and Ghaemshahr cities). A total of 180 samples from seven banana-growing greenhouses with

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10

Lee, Raymond W. H., Judith Strommer, Doug Hodgins, Patricia E. Shewen, Yongqing Niu, and Reggie Y. C. Lo. "Towards Development of an Edible Vaccine against Bovine Pneumonic Pasteurellosis Using Transgenic White Clover Expressing aMannheimia haemolytica A1 Leukotoxin 50 Fusion Protein." Infection and Immunity 69, no. 9 (2001): 5786–93. http://dx.doi.org/10.1128/iai.69.9.5786-5793.2001.

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ABSTRACT Development of vaccines against bovine pneumonia pasteurellosis, or shipping fever, has focused mainly on Mannheimia haemolytica A1 leukotoxin (Lkt). In this study, the feasibility of expressing Lkt in a forage plant for use as an edible vaccine was investigated. Derivatives of the M. haemolytica Lkt in which the hydrophobic transmembrane domains were removed were made. Lkt66 retained its immunogenicity and was capable of eliciting an antibody response in rabbits that recognized and neutralized authentic Lkt. Genes encoding a shorter Lkt derivative, Lkt50, fused to a modified green fl

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11

Thomas, P. E. "Black and Hairy Nightshade, the First Weedy Hosts of Potato virus A in the United States." Plant Disease 88, no. 8 (2004): 905. http://dx.doi.org/10.1094/pdis.2004.88.8.905a.

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Potato virus A (PVA; genus Potyvirus, family Potyviridae) occurs wherever potatoes are grown and may reduce tuber yields as much as 40%. Its host range consists of six experimental hosts (Lycopersicon pimpinellifolium (Jusl.) P. Mill., Nicandra physalodes (L.) Gaertn., Nicotiana tabacum L., Solanum demissum Lindl., S. demissum × S. tuberosum, and Nicotiana debneyi Domin.) and two natural hosts (S. tuberosum L. and S. betaceae (Cav.) Sendt.) (1). N. physalodes and Nicotiana tabacum sometimes grow in nature in the eastern and southern United States (2) but have not been reported to be PVA source

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12

Jan, F. J., C. C. Chen, and H. T. Hsu. "Identification of Tomato mosaic virus Infection in Lisianthus in Taiwan." Plant Disease 87, no. 12 (2003): 1537. http://dx.doi.org/10.1094/pdis.2003.87.12.1537a.

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In recent years, Lisianthus (Eustoma russellianum (Don.) Griseb) has become popular as potted plants and cut flowers in Taiwan. They are grown in the central and southern regions of the island. Since 1998, diseased plants with mosaic symptoms, followed by necrosis of leaf tissues, were observed in commercial greenhouses and field-grown lisianthus. Newly emergent leaves were curled and smaller compared with those on healthy plants. These symptoms greatly decreased the commercial value of the crop. Rigid rods similar to tobamoviruses that measured 300 × 18 nm were found consistently associated w

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13

Gratsia, M. E., P. E. Kyriakopoulou, A. E. Voloudakis, C. Fasseas, and I. E. Tzanetakis. "First Report of Olive mild mosaic virus and Sowbane mosaic virus in Spinach in Greece." Plant Disease 96, no. 8 (2012): 1230. http://dx.doi.org/10.1094/pdis-03-12-0273-pdn.

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Uncommon, viruslike symptoms (yellowing, line patterns, leaf deformation, and necrosis), were observed in spinach fields in the Marathon area, Greece in 2004. Seedlings from the same seed lot, grown in the greenhouse, also developed the same viruslike symptoms, indicating that the causal agent(s) of the disorder is seed-transmissible. Spinach seedlings of the same variety but a different lot and herbaceous indicators (Chenopodium quinoa, C. amaranticolor, Sonchus oleraceus, and Nicotiana benthamiana) were mechanically inoculated with infected material. Spinach developed yellowing or necrotic s

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14

Were, H. K., S. Winter, and E. Maiss. "Viruses Infecting Cassava in Kenya." Plant Disease 88, no. 1 (2004): 17–22. http://dx.doi.org/10.1094/pdis.2004.88.1.17.

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A survey of cassava viruses was conducted in major cassava-growing regions of Kenya. A total of 185 leaf samples and 62 stem cuttings from plants with viral disease symptoms were collected and analyzed by biological, electron microscopy, enzyme-linked immunosorbent assay, and polymerase chain reaction. All samples from western Kenya had cassava begomoviruses (African cassava mosaic virus [ACMV], East African cassava mosaic virus [EACMV], and Uganda variant [EACMV-UG]) in either single or in mixed infection. However, all samples from the Coast region were infected with only EACMV, a begomovirus

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15

Guo, Huijuan, Panpan Ge, Jiahui Tong, et al. "Elevated Carbon Dioxide Levels Decreases Cucumber Mosaic Virus Accumulation in Correlation with Greater Accumulation of rgs-CaM, an Inhibitor of a Viral Suppressor of RNAi." Plants 10, no. 1 (2020): 59. http://dx.doi.org/10.3390/plants10010059.

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Plant viruses cause a range of plant diseases symptoms that are often responsible for significant crop production losses and the severity and spread of the symptoms may be affected by climate change. While the increase in anthropogenic activities has caused a critical problem of increased CO2 levels in the atmosphere, these elevated CO2 levels have been reported to reduce virus disease severity in some plant species. In such instances, it is not clear if the plant defense mechanisms are being enhanced or virus-mediated mechanisms to overcome plant resistance are being defeated. Additionally, a

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16

Wei, T., M. N. Pearson, D. Cohen, J. Z. Tang, and G. R. G. Clover. "First Report of Zantedeschia mosaic virus Infecting a Zantedeschia sp. in New Zealand." Plant Disease 92, no. 8 (2008): 1253. http://dx.doi.org/10.1094/pdis-92-8-1253a.

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In February 2004, leaf yellowing, mottling, and mosaics were observed on a few plants of a Zantedeschia sp. (calla lily) growing in Rangiora, Canterbury, New Zealand. Zantedeschia spp. are known to be susceptible to at least 13 virus species (1). No symptoms were observed on Chenopodium amaranticolor, C. quinoa, Cucumis sativus, Gomphrena globosa, Nicotiana benthamiana, N. clevelandii, N. occidentalis, or N. tabacum when inoculated with sap from symptomatic plants. However, electron microscopy of crude sap preparations from a symptomatic Zantedeschia sp. and inoculated N. clevelandii plants re

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17

Khankhum, S., P. Bollich, and R. A. Valverde. "First Report of Tobacco ringspot virus Infecting Kudzu (Pueraria montana) in Louisiana." Plant Disease 97, no. 4 (2013): 561. http://dx.doi.org/10.1094/pdis-10-12-0933-pdn.

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Kudzu is an introduced legume commonly found growing as a perennial throughout the southeastern United States. This fast-growing vine was originally planted as an ornamental for forage and to prevent erosion (2), but is now considered an invasive species. During April 2011, a kudzu plant growing near a soybean field in Amite (Tangipahoa Parish, southeastern LA) was observed with foliar ringspot and mottle symptoms. Leaf samples were collected, and sap extracts (diluted 1:5 w/v in 0.02 M phosphate buffer pH 7.2) were mechanically inoculated onto carborundum-dusted leaves of at least five plants

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18

Lecoq, H., O. Dufour, C. Wipf-Scheibel, M. Girard, A. C. Cotillon, and C. Desbiez. "First Report of Cucumber vein yellowing virus in Melon in France." Plant Disease 91, no. 7 (2007): 909. http://dx.doi.org/10.1094/pdis-91-7-0909c.

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During the fall of 2003, mild mosaic symptoms were observed in melon (Cucumis melo L.) plants grown in glasshouses near Eyragues (southeastern France) resembling those caused by the Bemisia tabaci transmitted Cucumber vein yellowing virus (CVYV, genus Ipomovirus, family Potyviridae). In addition, large numbers of B. tabaci were observed to be colonizing these crops. The identification of CVYV was established through differential host range reaction, immunosorbent electron microscopy (IEM), and reverse transcription (RT)-PCR experiments. Crude sap from symptomatic leaves was used to inoculate d

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19

Se, T., and S. Kanematsu. "First Report of Tulip band breaking virus in Mosaic Diseased Tulip in Japan." Plant Disease 86, no. 12 (2002): 1405. http://dx.doi.org/10.1094/pdis.2002.86.12.1405a.

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Tulip (Tulipa spp.) is an ornamental plant of major economic importance in Japan. Regions in Toyama Prefecture are some of the most productive for producing tulip bulbs, shipping approximately 50 million bulbs annually. However, mosaic diseases caused by viruses such as Tulip breaking virus (TBV) currently limit bulb production in these areas. Only the potyviruses TBV and Lily mottle virus (LMoV) have been reported infecting tulip in Japan. A virus isolate from tulip with flower-breaking symptom in Toyama Prefecture was tentatively named OE4 and was presumed to be LMoV after detection by LMoV-

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20

Batuman, O., and R. L. Gilbertson. "First Report of Columnea latent viroid (CLVd) in Tomato in Mali." Plant Disease 97, no. 5 (2013): 692. http://dx.doi.org/10.1094/pdis-10-12-0920-pdn.

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During surveys of tomato (Solanum lycopersicum) fields in Niono, Mali, conducted in March 2011, unusual disease symptoms, including stunted growth, epinasty, and chlorosis of leaves and necrosis of leaf veins and stems were observed in multiple fields. The incidence of these symptoms was low (~1 to 5%), but they were distinct from those associated with known diseases in the region. A representative leaf sample with these symptoms was applied to filter paper (FTA cards, Whatman), and DNA and RNA extracts were prepared according to manufacturer instructions. RT-PCR tests for Tomato spotted wilt

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21

Deng, T. C., C. H. Tsai, H. L. Tsai, J. Y. Liao, and W. C. Huang. "First Report of Cucumber mosaic virus on Vigna marina in Taiwan." Plant Disease 94, no. 10 (2010): 1267. http://dx.doi.org/10.1094/pdis-06-10-0459.

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Vigna marina (Burm.) Merr., the dune bean or notched cowpea, is a tropical creeping vine that grows on sand dunes along the coastal regions of Taiwan. Although V. marina is a weed, some varieties are also grown for fodder and food. This legume is a natural host of Bean common mosaic virus in the Solomon Islands (1) and Alfalfa mosaic virus or Beet western yellows virus in Australia (2). In April 2009, plants of V. marina showing severe mosaic and chlorotic ringspots on the foliage were found in the coastal region of Hualien County in eastern Taiwan. Indirect ELISA on a single diseased plant sh

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22

De La Torre-Almaraz, R., J. V. Montoya-Piña, S. Alcacio-Rangel, G. Camarena-Gutiérrez, and M. Salazar-Segura. "First Report of Prunus necrotic ringspot virus in Peach in Mexico." Plant Disease 92, no. 3 (2008): 482. http://dx.doi.org/10.1094/pdis-92-3-0482b.

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Peach (Prunus persica (L.) Batsch) is one of the most important fruit crops in the temperate regions of Mexico. In 2006, during a survey conducted in commercial peach orchards in Puebla, Mexico for viral diseases, many trees were observed with foliar symptoms that included yellow mottle, ringspot, line patterns, and mosaic. Samples (flowers, young shoot tips, and leaves) were collected from 120 symptomatic trees in three locations (San Martin Texmelucan, Domingo Arenas, and Tepetzala). All samples were tested using double-antibody sandwich (DAS)-ELISA kits (Agdia, Inc., Elkhart, IN) for the pr

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23

Hughes, P. L., and S. W. Scott. "First Report of Tomato ringspot virus in Butterfly Bush (Buddleia davidii)." Plant Disease 87, no. 1 (2003): 102. http://dx.doi.org/10.1094/pdis.2003.87.1.102b.

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Leaves displaying bright yellow or light green line pattern symptoms were collected from individual, large, mature buddleias in a home garden in Clemson, SC, a botanical garden in Knoxville, TN, and a container-grown plant on sale in a retail home and garden store in Seneca, SC. Buddleias grown in the southeastern United States frequently display virus-like symptoms, but the line pattern symptom displayed by these plants was atypical of the mosaic, mottling, and leaf deformation seen when buddleias are infected with Alfalfa mosaic virus (AMV) or Cucumber mosaic virus (CMV) (2,4). Line pattern

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Chen, C. C., W. F. Ko, C. Y. Lin, F. J. Jan, and H. T. Hsu. "First Report of Carnation mottle virus in Calla lily (Zantedeschia spp.)." Plant Disease 87, no. 12 (2003): 1539. http://dx.doi.org/10.1094/pdis.2003.87.12.1539c.

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Calla lilies are ornamental plants of major economic importance in Taiwan. They are grown in the central and northern areas of the island, and ≈3 million stems are shipped annually. Calla lilies are susceptible to several viruses (1). Infections by Cucumber mosaic virus, Dasheen mosaic virus, Turnip mosaic virus, and Watermelon silver mottle virus were reported in Taiwan. Recently, virus-like symptoms including yellow mottling, light yellow spot, yellow ringspot, and mosaic were observed on leaves of field-grown calla lilies from Changhua County, located in central Taiwan. In March 2001, a vir

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25

Eni, A. O., P. Lava Kumar, R. Asiedu, et al. "First Report of Cucumber mosaic virus in Yams (Dioscorea spp.) in Ghana, Togo, and Republic of Benin in West Africa." Plant Disease 92, no. 5 (2008): 833. http://dx.doi.org/10.1094/pdis-92-5-0833b.

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Yam (Dioscorea spp., family Dioscoreaceae) is one of the most important food crops cultivated in the West African yam zone comprising the forest and savannah areas of Nigeria, Ghana, Côte d'Ivoire, Republic of Benin, and Togo, which account for more than 90% of the 4.59 million ha of yam cultivation worldwide (1). A survey was conducted in 2005 to document viruses in yams in Ghana, Togo, and the Republic of Benin. Samples (1,405) from five species of yam showing mosaic, chlorosis, and stunting as well as asymptomatic plants were tested for Dioscorea bacilliform virus (DBV, genus Badnavirus), Y

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Seo, J. K., O. J. Shin, H. R. Kwak, et al. "First Report of Broad bean wilt virus 2 in Leonurus sibiricus in Korea." Plant Disease 98, no. 12 (2014): 1748. http://dx.doi.org/10.1094/pdis-07-14-0695-pdn.

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Leonurus sibiricus L. (family Lamiaceae) has been used as a traditional herbal remedy to treat various gynecologic diseases. Although it is a widely distributed subtropical weed in Southeast Asia, L. sibiricus have been commercially cultivated on a small scale in many geographic areas of Korea. In August 2012, field-grown L. sibiricus plants showing mosaic, yellowing, and stunting symptoms were collected near a pepper field in Andong, Korea. Since L. sibiricus is only consumed as a raw material of traditional medicine in Korea, symptomatic plants lose commercial value entirely. To identify the

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Kwon, Joon, Atsushi Kasai, Tetsuo Maoka, Chikara Masuta, Teruo Sano, and Kenji S. Nakahara. "RNA silencing-related genes contribute to tolerance of infection with potato virus X and Y in a susceptible tomato plant." Virology Journal 17, no. 1 (2020). http://dx.doi.org/10.1186/s12985-020-01414-x.

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Abstract Background In plants, the RNA silencing system functions as an antiviral defense mechanism following its induction with virus-derived double-stranded RNAs. This occurs through the action of RNA silencing components, including Dicer-like (DCL) nucleases, Argonaute (AGO) proteins, and RNA-dependent RNA polymerases (RDR). Plants encode multiple AGOs, DCLs, and RDRs. The functions of these components have been mainly examined in Arabidopsis thaliana and Nicotiana benthamiana. In this study, we investigated the roles of DCL2, DCL4, AGO2, AGO3 and RDR6 in tomato responses to viral infection

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Sus, N. P., A. V. Orlovskyi, O. A. Boyko, V. O. Tsvigun, and A. L. Boyko. "Influence of modeled microgravity on tobacco mosaic virus." Ecology and Noospherology 29, no. 2 (2018). http://dx.doi.org/10.15421/031822.

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Сlinorotation is an effective method of treating diseases caused by some plant viruses. Therefore, we researched the influence of microgravity (modeled by сlinorotation) on a tobacco mosaic virus (TMV) that infects many agricultural crops. It is known that cells of plants (infected with TMV) contain viral inclusion bodies or viroplasms and amount of viral inclusion bodies correlates with harmfulness of TMV. Therefore, the purpose of this study was to find out the effect of influence of modeled microgravity on inclusion bodies of TMV. In this study, we cultivated Nicotiana tabacum L. and inocul

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Pallavi, M. S., H. K. Ramappa, and R. Harischandra Naik. "Epidemiological Factors Influencing the Development of Pigeonpea Sterility Mosaic Virus Disease in Pigeonpea." Indian Journal Of Agricultural Research, OF (August 17, 2020). http://dx.doi.org/10.18805/ijare.a-5395.

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Background: In a region of Karnataka, India with a varied type climate PPSMV infection on pigeonpea occurs in a severe form and considered as green plague and one of the most devastating diseases as it appear in severe form resulting in reduction of 100% yield loss transmitted by vector eriophyid mite Aceriacajani Channabasavanna. However, not much systematic and strategic research work being carried out on epidemiology. In spite of various control measures, Sterility Mosaic Disease has continued to be major constraint in pigeonpea production. A lot of variation exists among the genetic backgr

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Li, Miaomiao, Qi Lin, Yi Chen, et al. "First Report of Turnip Mosaic Virus in Peanut (Arachis hypogaea L.) in China." Plant Disease, August 29, 2021. http://dx.doi.org/10.1094/pdis-05-21-0997-pdn.

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Peanut (Arachis hypogaea L.) is an important source of edible oil in China but its yield and quality in agricultural production are affected by a number of diseases including those caused by viruses. The four viruses most commonly reported to affect the production of peanut worldwide are peanut stripe virus, cucumber mosaic virus, peanut stunt virus and peanut bud necrosis virus (Srinivasan et al. 2017; Xu et al. 2017). During a disease survey in June 2020, virus-like disease symptoms including mosaic and necrotic spots were observed in field peanut plants in Yuyao county, Zhejiang, China (Sup

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Hu, Yongliang, Liping Fa, Xiaoxia Su, et al. "First report of wild tomato mosaic virus infecting chilli pepper in China." Plant Disease, April 29, 2021. http://dx.doi.org/10.1094/pdis-01-21-0010-pdn.

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Chilli pepper is an important economic crop and virus diseases are constraints on its production. In 2018, disease surveys were conducted at a 15-ha chilli pepper plantation in Dehong, southwest of Yunnan Province, China. Throughout the chilli pepper growing season from March to September, pepper plants developed three different virus-like symptoms on leaves, including mosaic, yellow mottle and shrinkage (Fig. S1). Based on observation of virus-like symptomatic phenotypes, the field surveys indicated that the disease incidence ranged from 30% in March to a peak 100% in July, resulting in a sig

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