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Статті в журналах з теми "Phomopsis"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Croker, KP, and MA Johns. "Reproductive performance of ewes fed sweet narrow-leafed lupin seed infected with Phomopsis leptostromiformis." Australian Journal of Experimental Agriculture 25, no. 3 (1985): 536. http://dx.doi.org/10.1071/ea9850536.

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Анотація:

An experiment was designed to examine the reproductive performance of Merino ewes fed sweet narrow-leafed lupin seed infected with Phomopsis leptostromiformis and containing small quantities of the toxin phomopsin. Two groups of mature ewes were supplemented with lupin seed with either a low (2%) or a high (21%) level of Phomopsis infection at a rate equivalent to 500 g/sheep.day for a period from 14 days before the start of joining until day 17 of joining. A third group received no supplement. The percentages of lambing ewes with multiple births were marginally increased (P<0.10) in the su

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2

Książkiewicz, M., K. Wójcik, W. Irzykowski, et al. "Validation of Diaporthe toxica resistance markers in European Lupinus angustifolius germplasm and identification of novel resistance donors for marker-assisted selection." Journal of Applied Genetics 61, no. 1 (2019): 1–12. http://dx.doi.org/10.1007/s13353-019-00521-y.

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Abstract The fungus, Diaporthe toxica, anamorph Phomopsis sp., previously classified as P. leptostromiformis, is a plant endophyte and occasional pathogen, causing Phomopsis stem blight. This disease is damaging not only to lupins but also to the animals grazing on infected plants, due to the toxic secondary metabolites called phomopsins. The aim of this work was to validate markers for resistance to Phomopsis stem blight in narrow-leafed lupins and identify novel germplasm with increased levels of resistance to the disease. Plant inoculations were performed using ten isolates of D. toxica, or

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3

Wood, PM, DS Petterson, GR Hancock, and GA Brown. "Distribution of seed infected with Phomopsis leptostromiformis and of phomopsin A within a lupin crop." Australian Journal of Experimental Agriculture 27, no. 1 (1987): 77. http://dx.doi.org/10.1071/ea9870077.

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Анотація:

A detailed study was made of the Phomopsis leptostromiformis infection and phomopsin A content of seed within a lupin crop having a high level of visible pod infection. Over 96% of the visibly infected seeds contained viable P. leptostromlformis. Visually clean, or whole white seed, from the primary pods had a higher level of fungal infection (56%) than comparable seed from the other pods (11%). The discoloured seed content of the primary pods was higher than for the other pods in each instance. The phomopsin A content of the seed was higher than previously reported. Although the cracked and d

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4

Tuset, J. J., and M. A. T. Portilla. "Taxonomic status of Fusicoccum amygdali and Phomopsis amygdalina." Canadian Journal of Botany 67, no. 5 (1989): 1275–80. http://dx.doi.org/10.1139/b89-168.

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A comparative study was done in Spain of canker and withering of branches in almond and peach trees. Similar diseases of these fruit trees, described by several authors and attributed to Fusicoccum amygdali and Phomopsis amygdalina, suggests that these fungi are identical. Spanish isolates produced phialidic conidiogenous cells and occasionally β-conidia typical of the genus Phomopsis. A study of the type specimen of F. amygdali reveals that it also belongs in Phomopsis. Phomopsis amygdali (Del.) Tuset & Portilla comb.nov. is proposed to accommodate the fungus; Phomopsis amygdalina Canonac

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5

Petterson, DS, JE Peterson, LW Smith, PM Wood, and CCJ Culvenor. "Bioassay of the contamination of lupin seed by the mycotoxin phomopsin." Australian Journal of Experimental Agriculture 25, no. 2 (1985): 434. http://dx.doi.org/10.1071/ea9850434.

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Samples of seed from commercial crops of Lupinus spp. in three States were tested for the presence of phomopsin, the causative agent of lupinosis. Each of 43 samples was tested in one of two laboratories using a nursling rat bioassay, and 12 of these were tested in both. Factors that could affect reproducibility of the assay were examined. There was good agreement in assessments of toxicity between laboratories. The efficiency of extraction was found to vary from about 15% at low concentrations of phomopsin to no more than 60%. Phomopsin was detected in 17 of the 43 samples, at levels ranging

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6

Vukojević, J., M. Mihaljčević, and D. Franić-Mihajlović. "VARIABILITY OF Phomopsis POPULATIONS IN SUNFLOWER (Helianthus annuus L.) / VARIABILIDAD DE LAS POBLACIONES DE Phomopsis EN EL GIRASOL (Helianthus annuus L.) / VARIABILITÉ DES POPULATIONS DE Phomopsis CHEZ LE TOURNESOL (Helianthus annuus L.)." HELIA 24, no. 34 (2001): 69–76. http://dx.doi.org/10.1515/helia.2001.24.34.69.

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SUMMARY Various reports state that the sunflower disease, primarily caused by Diaporthe/Phomopsis helianthi Munt.-Cvet. et al., has a wide geographic distribution in Europe, USA, Argentina and Australia. Various Phomopsis isolates obtained during this investigation of the sunflower disease differed in conidial type (α, β, α and β). Phomopsis helianthi was the only isolate producing exclusively β-conidia and perithecia on debris (Diaporthe helianthi). The other Phomopsis isolates were saprobes on sunflower plants.

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7

Radiastuti, Nani, Firdaus Ramadhan, and Yusraini Dian Inayati Siregar3. "Antioksidan Ekstrak Kapang Endofit Phomopsis spp. dari Tanaman Kina (Cinchona calisaya)." Jurnal Biotek Medisiana Indonesia 10, no. 2 (2022): 109–15. http://dx.doi.org/10.22435/jbmi.v10i2.5822.

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ABSTRACT Phomopsis spp. is one of the endophytic fungi that was isolated from cinchona plant (Cinchona calisaya). Endophytic fungi ability to produce bioactive compounds similar to the host, as a solution to get bioactive compounds without doing a lot of exploitation in the quinine plant. This study aimed to determine the highest antioxidant activity (IC50) and known compounds acting as antioxidants in endophytic fungi extract Phomopsis spp. The extraction process was done by the maceration method by organic solvent ethyl acetate. The measured parameters IC50 and analysis of bioactive co

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8

Murali, T. S., T. S. Suryanarayanan, and R. Geeta. "Endophytic Phomopsis species: host range and implications for diversity estimates." Canadian Journal of Microbiology 52, no. 7 (2006): 673–80. http://dx.doi.org/10.1139/w06-020.

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Foliar endophyte assemblages of teak trees growing in dry deciduous and moist deciduous forests of Nilgiri Biosphere Reserve were compared. A species of Phomopsis dominated the endophyte assemblages of teak, irrespective of the location of the host trees. Internal transcribed spacer sequence analysis of 11 different Phomopsis isolates (ten from teak and one from Cassia fistula) showed that they fall into two groups, which are separated by a relatively long branch that is strongly supported. The results showed that this fungus is not host restricted and that it continues to survive as a saprotr

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9

Wrather, J. A., D. A. Sleper, W. E. Stevens, J. G. Shannon, and R. F. Wilson. "Planting Date and Cultivar Effects on Soybean Yield, Seed Quality, and Phomopsis sp. Seed Infection." Plant Disease 87, no. 5 (2003): 529–32. http://dx.doi.org/10.1094/pdis.2003.87.5.529.

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Incidence of Phomopsis seed decay is frequently high and quality low in seed from early-maturing maturity group III and IV soybean cultivars planted in early to mid-April in the southern United States. Cultivars resistant to this disease have not been available until the recent release of germ plasm lines SS 93-6012 and SS 93-6181. Our objective was to determine the effects of planting dates with these lines and one Phomopsis seed decay-susceptible soybean cultivar, Asgrow 3834, on seed infection by Phomopsis spp. and on yield and the correlation between percentage of Asgrow 3834 infected with

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10

Li, Shuxian, Glen L. Hartman, and Deborah L. Boykin. "Aggressiveness of Phomopsis longicolla and Other Phomopsis spp. on Soybean." Plant Disease 94, no. 8 (2010): 1035–40. http://dx.doi.org/10.1094/pdis-94-8-1035.

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Phomopsis seed decay of soybean is a major cause of poor-quality soybean seed. The disease is caused primarily by the fungal pathogen Phomopsis longicolla. Aggressiveness of isolates of P. longicolla from soybean and other Phomopsis spp. from other hosts were compared by inoculating 2-week-old soybean plants of cv. Williams 82. There were significant (P ≤ 0.0001) differences among isolates based on stem length and stem lesion length. The P. longicolla soybean isolate PL16, from Mississippi, caused the shortest stem length while the non-soybean isolate P9, from Illinois, caused the greatest ste

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11

Perniola, Omar Salvador, María Cristina Isabel Noelting, Silvia Elena Chorzempa, Mónica Beatriz Aulicino, Guillermo Martín Mantz, and Marta Mónica Astiz Gassó. "Sinergia entre la biofumigación con mostaza india y el hongo antagonista Trichoderma harzianum para el control de Phomopsis spp., bajo condiciones in vitro." Siembra 11, no. 2 (2024): e6619. http://dx.doi.org/10.29166/siembra.v11i2.6619.

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El objetivo de este trabajo fue evaluar el efecto combinado de dos tácticas de biocontrol de plagas: la biofumigación con Brassica juncea y la inoculación de Trichoderma harzianum, sobre el crecimiento in vitro del patógeno Phomopsis spp., agente etiológico de la cancrosis en el cultivo de pecán (Carya illinoinensis). Se trituraron plantas de B. juncea y se colocaron en envases de poliestireno en dosis de 10 y 30 g. Luego, en cada uno de estos recipientes se introdujo una caja de Petri con un disco con micelio de Phomopsis spp. o T. harzianum o ambos hongos (cultivo dual). Se incubó en cámara

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12

Morcombe, PW, JG Allen, GR Hancock, RH Jacob, and DL Hopkins. "Monitoring the toxicity of lupin (Lupinus angustifolius) stubbles has limited value in the prevention of lupinosis." Australian Journal of Experimental Agriculture 32, no. 6 (1992): 707. http://dx.doi.org/10.1071/ea9920707.

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Lupin (Lupinus angustifolius) stubbles at 3 'sentinel' sites in the Midlands Region of Western Australia were monitored throughout the summer of 1985-86 to assess the level of infection of the stems by the fungus Phomopsis leptostromiformis, and to measure the concentration of its toxic product, phomopsin A. These parameters were found to have little value as predictors of fungal infection and of the toxicity of lupin stubbles on farms in surrounding districts. It was found also that visual rating of the level of P. leptostromiforrnis infection of lupin stems was unrelated to the concentration

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13

Jayaramaiah, KM, S. Mahadevakumar, AP Charith Raj, and GR Janardhana. "PCR based detection of Phomopsis vexans (Sacc. & Syd.) - The causative agent of leaf blight and fruit rot disease of Brinjal (Solanum melongena L.)." International Journal of Life Sciences 7, no. 1 (2013): 17–20. http://dx.doi.org/10.3126/ijls.v7i1.8173.

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Leaf blight and fruit rot disease of brinjal (Solanum melongena) caused by the fungal pathogen Phomopsis vexans is the most prevailing diseases responsible for the significant yield loss in many Brinjal growing regions of India. The survey conducted during 2008-2010, seven (07) isolates of Phomopsis vexans causing leaf blight and fruit rot disease in different areas of Karnataka were isolated, identified and confirmed by Koch’s postulates. Identification of Phomopsis vexans by conventional culture method was time consuming and laborious. Hence, PCR based detection assay was used to detect the

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14

Wrather, J. A., J. G. Shannon, W. E. Stevens, D. A. Sleper, and A. P. Arelli. "Soybean Cultivar and Foliar Fungicide Effects on Phomopsis sp. Seed Infection." Plant Disease 88, no. 7 (2004): 721–23. http://dx.doi.org/10.1094/pdis.2004.88.7.721.

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Phomopsis seed decay (PSD) caused by Phomopsis spp. can be severe when soybean seed producers in the southern United States use the early soybean production system (ESPS) to avoid late-July through early-September drought damage to soybean. The usefulness of this production system would be greater if developing seed could be protected from PSD by foliar application of fungicides or by planting Phomopsis spp.-resistant soybean lines. The objective of this research was to determine the affects of the fungicides benomyl and azoxystrobin applied to soybean, at various times, on percent Phomopsis s

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15

Baker, Daniel M., Harry C. Minor, M. F. Brown, and E. A. Brown. "Infection of immature soybean pods and seeds by Phomopsis longicolla." Canadian Journal of Microbiology 33, no. 9 (1987): 797–801. http://dx.doi.org/10.1139/m87-135.

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Phomopsis longicolla Hobbs, a causal agent of Phomopsis seed decay, colonizes the seed coats and embryos of mature soybean (Glycine max (L.) Merr.) seeds. The mode of infection of immature soybean pods and seeds by P. longicolla was examined using scanning electron microscopy. Phomopsis longicolla penetrated directly through pod walls by appressoria. Penetration through stomata in the pod surface was not observed. Immature seeds were also penetrated directly. Heavily infected immature seeds showed extensive colonization of the seed coats and embryos.

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16

Wood, PM, and DS Petterson. "Phomopsis leptostromiformis infection and phomopsin A content of lupin seed in Western Australia." Australian Journal of Experimental Agriculture 26, no. 5 (1986): 583. http://dx.doi.org/10.1071/ea9860583.

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A survey of Phomopsis leptostromiformis infection of lupin seed in Western Australia was carried out in 1982 and 1983. Of the samples surveyed 39% were uninfected and 16.6% had >4% infection. These values differ significantly from a previous survey between 1976 and 1981 (49 and 8.4% respectively). There was a highly significant correlation (P <0.002) between the amount of discoloured seed and P. leptostromiformis infection. Results of toxicity tests for the mycotoxin phomopsin A, assessing hepatic injury in nursling rats, strongly implicate discoloured seeds as being the most toxic. Disc

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17

Bradley, C. A., G. L. Hartman, L. M. Wax, and W. L. Pedersen. "Quality of Harvested Seed Associated with Soybean Cultivars and Herbicides Under Weed-Free Conditions." Plant Disease 86, no. 9 (2002): 1036–42. http://dx.doi.org/10.1094/pdis.2002.86.9.1036.

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Different herbicides were applied to soybean plants in field plots planted to different soybean cultivars located at four locations in Illinois between 1997 and 2000. Treatments varied from hand weeded to preemergence herbicides to postemergence herbicides. Soybean seeds were harvested and evaluated for different seed quality parameters. The percentage of seeds infected with Phomopsis spp. ranged from 1 to 40%, and the percentage of seeds infected with Cercospora kikuchii was low, ranging from 0 to 4%. Herbicides had little or no effect on seed quality parameters such as percent germination an

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18

Rehner, Stephen A., and Francis A. Uecker. "Nuclear ribosomal internal transcribed spacer phylogeny and host diversity in the coelomycete Phomopsis." Canadian Journal of Botany 72, no. 11 (1994): 1666–74. http://dx.doi.org/10.1139/b94-204.

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Species concepts in Phomopsis are based primarily on host association because morphological and cultural characters are generally insufficient for species diagnosis. Increasingly, there are reports that some species of Phomopsis are not host restricted but are capable of infecting several or more taxonomically unrelated host genera. Phylogenetic analysis of nuclear ribosomal DNA internal transcribed spacer sequences (ITS1 and ITS2) for 43 North American and Caribbean strains of Phomopsis isolated from diverse plant hosts and geographic origins resolved three clades, provisionally termed groups

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19

Anderson, T. R., R. I. Buzzell, B. R. Buttery, and V. A. Dirks. "Incidence of pod and seed infection in two soybean lines differing in resistance to Phomopsis seed decay." Canadian Journal of Plant Science 75, no. 2 (1995): 543–45. http://dx.doi.org/10.4141/cjps95-094.

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Анотація:

Two soybean (Glycine max) lines differing in resistance to Phomopsis seed decay were evaluated in field trials, over 3 yr, for time and incidence of pod and seed infection caused by Phomopsis longicolla, Diaporthe phaseolorum var. caulivora and D. p. var. sojae. Pod infection increased linearly with time but OX615 averaged 15% less than Coles at each sample date. Seed infection increased curvilinearly in conjunction with decreasing seed moisture with marked increases between the fifth and seventh weeks after flowering. At maturity, average seed infection was 69% in Coles and 28% in OX615. Key

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20

Filippi, Carla Valeria, Andres Corro Molas, Matias Dominguez, et al. "Genome-Wide Association Studies in Sunflower: Towards Sclerotinia sclerotiorum and Diaporthe/Phomopsis Resistance Breeding." Genes 13, no. 12 (2022): 2357. http://dx.doi.org/10.3390/genes13122357.

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Diseases caused by necrotrophic fungi, such as the cosmopolitan Sclerotinia sclerotiorum and the Diaporthe/Phomopsis complex, are among the most destructive diseases of sunflower worldwide. The lack of complete resistance combined with the inefficiency of chemical control makes assisted breeding the best strategy for disease control. In this work, we present an integrated genome-wide association (GWA) study investigating the response of a diverse panel of sunflower inbred lines to both pathogens. Phenotypic data for Sclerotinia head rot (SHR) consisted of five disease descriptors (disease inci

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21

Battilani, P., A. Gualla, C. Dall'Asta, et al. "Phomopsins: an overview of phytopathological and chemical aspects, toxicity, analysis and occurrence." World Mycotoxin Journal 4, no. 4 (2011): 345–59. http://dx.doi.org/10.3920/wmj2011.1302.

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Phomopsis leptostromiformis, and its teleomorph Diaporthe toxica, is a lupin pathogen that causes stem blight in young lupins and, as a saprophyte, has been detected on dead lupine material. Under favourable conditions, the fungus produces phomopsins (PHOs), a family of macrocyclic hexapeptide mycotoxins capable of binding tubulin through the tripeptide side chain. The toxic effects appear largely confined to the liver. In particular, the ingestion of PHO contaminated lupin stubble has been linked to lupinosis, a debilitating disease of sheep (the most sensitive animal) characterised by disori

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22

Rawnsley, B., T. J. Wicks, E. S. Scott, and B. E. Stummer. "Diaporthe perjuncta Does Not Cause Phomopsis Cane and Leaf Spot Disease of Grapevine in Australia." Plant Disease 88, no. 9 (2004): 1005–10. http://dx.doi.org/10.1094/pdis.2004.88.9.1005.

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In Australia, Diaporthe perjuncta (formerly known as Phomopsis taxon 1) and Phomopsis viticola (Phomopsis taxon 2) have been associated with Phomopsis cane and leaf spot of grapevine. Although P. viticola causes distinct leaf spots, as well as lesions on shoots and canes, the pathogenicity of D. perjuncta is relatively unknown. The pathogenicity of D. perjuncta and P. viticola was studied in relation to symptom expression and bud loss. Only P. viticola caused brown-black, longitudinal, necrotic lesions on stem tissue and leaf spots characteristic of the disease, whereas both D. perjuncta and P

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23

BOTEA, Vlad, Maria MUNTEAN, Alexandra SÎRBU, et al. "The Behavior of some Table Grapevine Cultivars in Relation to Phomopsis Viticola (Sacc.) Attack in Târnave Vineyard." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Horticulture 80, no. 1 (2023): 14–19. http://dx.doi.org/10.15835/buasvmcn-hort:2022.0042.

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Phomopsis viticola (Sacc) causes excoriosis (Phomopsis cane and leaf spot), this results in high loses in grape production and in severe cases, death of the grapevine. The symptoms are as follows: the base of affected canes swells and blackens, and the scarred cortex may tear in longitudinal streaks, these canes are extremely fragile and easily break beneath their own load, other canes can completely dry. Data was collected and calculated (Phomopsis viticola AD, attack degree on leaves and canes) for the years 2021 and 2022, from the following cultivars: Kodryanka, Arkadia, Muscat New York, Mo

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24

Safitri, Dian. "First Report of Phomopsis sp. PV-S G38 Caused Leaf Ring Spot Disease on Black Pepper (Pipper nigrum L.) in West Java, Indonesia." International Journal of Agriculture and Biology 33, no. 06 (2025): 330610. https://doi.org/10.17957/ijab/15.2330.

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Анотація:

Phomopsis sp. PV-S G38 have been frequently reported as plant pathogens, non-pathogenic endophytes or saprophytes, commonly infecting several agriculturally important crops. Infection of Phomopsis sp. PV-S G38 on black pepper in Indonesia has never been reported. The purpose of this study was to identify the cause of leaf ring spot disease on black pepper leaves. We used the most efficient method by combining morphological and molecular identification of the pathogen and analyzed the isolates that displayed the symptoms in the field. The primers of ITS 1 and ITS 4 were used. The GelDoc visuali

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25

Chaukhe, AN, MJ Patil, AG Tekale, and AP Deshmukh. "Effect of chemical control of phomopsis blight of brinjalcaused by Phomopsis vexans." International Journal of Chemical Studies 8, no. 4 (2020): 2051–53. http://dx.doi.org/10.22271/chemi.2020.v8.i4v.9929.

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26

Úrbez-Torres, J. R., F. Peduto, R. J. Smith, and W. D. Gubler. "Phomopsis Dieback: A Grapevine Trunk Disease Caused by Phomopsis viticola in California." Plant Disease 97, no. 12 (2013): 1571–79. http://dx.doi.org/10.1094/pdis-11-12-1072-re.

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Анотація:

Field surveys recently conducted in California and in other grape-growing regions in the United States showed Phomopsis viticola to be one of the most prevalent fungi isolated from grapevine perennial cankers in declining vines. The current study has not only confirmed the presence of P. viticola from grapevine cankers in California but also has for the first time revealed the occurrence of Diaporthe ambigua, D. eres, and D. neotheicola in symptomatic grapevine wood in California by means of morphological studies and multi-gene sequence analysis. Pathogenicity trials conducted on mature cordon

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27

Hulke, Brent S., Samuel G. Markell, Nolan C. Kane, and Febina M. Mathew. "Phomopsis stem canker of sunflower in North America: correlation with climate and solutions through breeding and management." OCL 26 (2019): 13. http://dx.doi.org/10.1051/ocl/2019011.

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Анотація:

Climate change is occurring in the central US and is interacting with agroecological factors to increase biotic stress in sunflower. Certain species of Diaporthe cause Phomopsis stem canker in sunflower and other dicotyledonous weeds and crops. The increase in precipitation already observed in the states of North Dakota, South Dakota, and Minnesota have increased the chances of outbreaks of necrotrophic pathogens, like Diaporthe. We discuss how climate trends, combined with technological, management, and economic interactions, are correlated with increasing incidence of Phomopsis stem canker i

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28

Cowling, WA, JG Allen, and PM Wood. "Resistance to Phomopsis stem blight reduces the lupinosis toxicity of narrow-leafed lupin stems." Australian Journal of Experimental Agriculture 28, no. 2 (1988): 195. http://dx.doi.org/10.1071/ea9880195.

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Анотація:

To determine if resistance to Phomopsis stem blight reduced the lupinosis toxicity of stems in sheep, we tested mature, dry stems of several selected lines of Lupinus angustifolius L. (narrow-leafed lupin). Resistance was defined as a significant reduction in Phomopsis stem blight symptoms on mature, dry stems compared with susceptible cultivars. Six experiments were conducted at 4 sites in Western Australia in 1983 and 1984. Mature, dry stems were collected from field plots of resistant and susceptible lines for assessment of the frequency of isolation of Phomopsis leptostromiformis (Knhn) Bu

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29

Arestova, N. O., and I. O. Ryabchun. "HARMFULNESS OF THE FUNGAL DISEASE PHOMOPSIS IN THE VINE-YARDS OF THE ROSTOV REGION." Russian Vine 19 (2022): 3–9. http://dx.doi.org/10.32904/2712-8245-2022-19-3-9.

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The results of studies of the influence of me-teorological conditions on the intensity of the development of Phomopsis (Phomopsis viti-cola) on plants of different grapevine varie-ties during 2019‒2021 are presented. It was established that the absence of extreme sub-zero temperatures during dormant period con-tributed to the preservation of the infectious onset of the disease. In most phases of the growing season 2019‒2021 unfavorable me-teorological conditions for the development of pycnidia and sporulation of the fungus Phomopsis viticola were observed ‒ high temperature and low air humidit

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Monteiro, Sara, Mahmoud Barakat, Maria A. Piçarra-Pereira, Artur R. Teixeira, and Ricardo B. Ferreira. "Osmotin and Thaumatin from Grape: A Putative General Defense Mechanism Against Pathogenic Fungi." Phytopathology® 93, no. 12 (2003): 1505–12. http://dx.doi.org/10.1094/phyto.2003.93.12.1505.

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Little information is available concerning the expression of pathogenesis-related (PR) proteins in grapevine (Vitis vinifera) and their effect properties on the major fungal pathogens of grape. A systematic study was performed on the effect of total or individual grape proteins on mycelial growth, spore germination, and germ tube growth of Uncinula necator, Phomopsis viticola, and Botrytis cinerea. Two proteins, identified as PR proteins by immunological methods and by N-terminal sequencing as osmotin and thaumatin-like protein, exhibited strong antifungal activities in vitro, blocking the gro

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Ghissi, Valéria Cecília, Erlei Melo Reis, and Carolina Cardoso Deuner. "Etiology of phomopsis root rot in soybean." Summa Phytopathologica 40, no. 3 (2014): 270–72. http://dx.doi.org/10.1590/0100-5405/1966.

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In a survey of damages caused by soybean root rot to crops in the south of Brazil for several years, a root rot caused by Phomopsis sp has been found with increasing frequency. The primary symptoms are seen when the main root is cut longitudinally, including the death of the wood which shows white coloration and well-defined black lines that do not have a defined format. Thus, based on similarity, it has been called geographic root rot due to its aspect resembling irregular lines that separate regions on a map. In isolations, colonies and alpha spores of Phomopsis have prevailed. Pathogenicity

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Borovskaya, I., and V. Petrenkova. "Zonal pathogen complex of sunflower in the left bank Forest-Steppe of Ukraine." Agricultural Science and Practice 5, no. 1 (2018): 67–72. http://dx.doi.org/10.15407/agrisp5.01.067.

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Aim. To determine a set of sunfl ower pathogens and their variability infl uenced by hydrothermal conditions of the crop growing season. Methods. Over the period of 2007–2016, due to phytosanitary monitoring of breeding crops of the scientifi c crop rotation of the Plant Production Institute named after V.Ya. Yuriev of NAAS, the prevalence degree, development intensity and variability of sunfl ower diseases in the Eastern Forest-Steppe of Ukraine were estimated. The hydrothermal coeffi cient (HTC) is presented for the sunfl ower growing season and by developmental phases of the crop. Results.

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Ormeno-Nunez, J., R. D. Reeleder, and A. K. Watson. "A new species of Phomopsis recovered from field bindweed (Convolvulus arvensis)." Canadian Journal of Botany 66, no. 11 (1988): 2228–33. http://dx.doi.org/10.1139/b88-305.

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Анотація:

Isolates of a Phomopsis recovered from diseased foliage of Convolvulus arvensis L. were morphologically distinct from other species of Phomopsis. Alpha-conidia were oblong to fusiform-ellipsoid, usually blunt at both ends with two guttules, and were distinctly larger than alpha-conidia of previously reported species. Beta-conidia were found only in culture. Stromata developed as small, superficial masses of aggregated mycelium, later becoming pulvinate, and were dark brown to black. Stromata were scattered throughout the colony, rarely aggregated. Pycnidia were uniostiolate or multiostiolate,

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ANJOS, JOSÉ R. N., MARIA J. A. CHARCHAR, and DANIEL P. GUIMARÃES. "Ocorrência de queima das folhas causada por Phomopsis sp. em Aroeira no Distrito Federal." Fitopatologia Brasileira 26, no. 3 (2001): 549–650. http://dx.doi.org/10.1590/s0100-41582001000300012.

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Анотація:

O fungo Phomopsis sp. foi consistentemente isolado de plantas de aroeira (Myracrodruon urundeuva.) com sintomas de queima nas folhas, no Distrito Federal, em 1999. Testes de patogenicidade em casa de vegetação confirmaram Phomopsis sp. como o agente etiológico da doença. Dezesseis, de 20 outras espécies vegetais inoculadas em condições similares, também foram suscetíveis ao fungo.

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Børja, Isabella, Halvor Solheim, Ari M. Hietala, and Carl Gunnar Fossdal. "Etiology and Real-Time Polymerase Chain Reaction-Based Detection of Gremmeniella- and Phomopsis-Associated Disease in Norway Spruce Seedlings." Phytopathology® 96, no. 12 (2006): 1305–14. http://dx.doi.org/10.1094/phyto-96-1305.

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In spring 2002, an unusual disease outburst was recorded on Norway spruce seedlings in southeast Norway. Extensive damage was recorded on 1- and 2-year-old Norway spruce seedlings that either had wintered in nursery cold storage or had been planted out in autumn 2001. The damage was characterized by leader shoot dieback and stem necroses on the upper or lower part of the shoot from 2001. Gremmeniella abietina and a Phomopsis sp. frequently were isolated from the diseased seedlings. Internal transcribed spacer (ITS) ribosomal (r)DNA sequence analysis and random amplified microsatellites profili

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Chaukhe, AN, Dr MJ Patil, AG Tekale, and VA Borude. "In-vitro efficacy of fungicides against Phomopsis vexans caused Phomopsis blight in Brinjal." International Journal of Chemical Studies 8, no. 4 (2020): 2054–55. http://dx.doi.org/10.22271/chemi.2020.v8.i4v.9930.

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Meng, Fan-Bing, Zhen-Zhen Gou, Yun-Cheng Li, Long-Hua Zou, Wei-Jun Chen, and Da-Yu Liu. "The Efficiency of Lemon Essential Oil-Based Nanoemulsions on the Inhibition of Phomopsis sp. and Reduction of Postharvest Decay of Kiwifruit." Foods 11, no. 10 (2022): 1510. http://dx.doi.org/10.3390/foods11101510.

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Essential oils (EOs) have excellent antibacterial activity and are generally recognized as safe (GRAS) for use in food preservatives. However, the application of EOs is limited because of their strong volatility and easily oxidized. Encapsulation of EOs into nanoemulsions could effectively prevent oxidative deterioration. In this study, lemon essential oil-based nanoemulsion (LEO/NE) was prepared by high-pressure homogenization. FT-IR and encapsulation efficiency analysis indicated that LEO was effectively encapsulated in the nanoemulsion. The results of zeta potential changes after 35 d stora

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Cheah, L.-H., C. M. Horlock, and R. D. Davis. "Field survey to assess spread of new asparagus diseases in Queensland." New Zealand Plant Protection 56 (August 1, 2003): 106–8. http://dx.doi.org/10.30843/nzpp.2003.56.6047.

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Asparagus (Asparagus officinalis) crops on eight Queensland properties were surveyed for the presence of asparagus rust (caused by Puccinia asparagi) phomopsis stem blight (caused by Phomopsis asparagi) and asparagus anthracnose (caused by Colletotrichum gloeosporioides) in November 2002 All properties surveyed had a low incidence of rust disease Most rust developed on plants two weeks after spear emergence No symptoms of phomopsis stem blight or anthracnose were found in the Mundubbera and Beerburrum regions Anthracnose was found only in Mareeba (northern Queensland) The incidence of phomopsi

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Li, Shuxian, Xiaojun Hu, and Qijian Song. "Comparative Analysis of the Mitochondrial Genome Sequences of Diaporthe longicolla (syn. Phomopsis longicolla) Isolates Causing Phomopsis Seed Decay in Soybean." Journal of Fungi 10, no. 8 (2024): 570. http://dx.doi.org/10.3390/jof10080570.

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Diaporthe longicolla (syn. Phomopsis longicolla) is an important seed-borne fungal pathogen and the primary cause of Phomopsis seed decay (PSD) in soybean. PSD is one of the most devastating seed diseases, reducing soybean seed quality and yield worldwide. As part of a genome sequencing project on the fungal Diaporthe–Phomopsis complex, draft genomes of eight D. longicolla isolates were sequenced and assembled. Sequences of mitochondrial genomes were extracted and analyzed. The circular mitochondrial genomes ranged from 52,534 bp to 58,280 bp long, with a mean GC content of 34%. A total of 14

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Husnawati, H., K. Kusmardi, D. Andrianto, et al. "Standardization of Phomopsis sp. extract and prediction of anti breast cancer activity from the main compound through molecular docking." IOP Conference Series: Earth and Environmental Science 1359, no. 1 (2024): 012138. http://dx.doi.org/10.1088/1755-1315/1359/1/012138.

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Abstract Endophytic fungi isolated from Indonesian soursop (Annona muricata) leaves, which have the potential to treat breast cancer, have been successfully isolated since 2016. Identification based on the Internal Transcribed Spacer (ITS) gene revealed that fungi close to Phomopsis sp. The fungi were stored, subcultured, and extracted with ethyl acetate for in vitro and in vivo studies. To be registered as a medicinal ingredient and meet the requirements of the Indonesian Food and Drug Supervisory Agency (BPOM, Badan Pengawas Obat dan Makanan), it is necessary to ensure the standardization, s

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Cross, Cory, Allen Wrather, Kent Fothergill, et al. "Effect of Lactofen, Azoxystrobin, and Genotypes on Charcoal Rot, Phomopsis Seed Decay, and Pod and Stem Blight in Soybean." Plant Disease 96, no. 8 (2012): 1154–58. http://dx.doi.org/10.1094/pdis-09-11-0810-re.

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Yield-limiting diseases such as charcoal rot and Phomopsis seed decay have a significant impact on the economic potential for soybean because there are few methods for management of these diseases. The objectives of this study were to determine the development of charcoal rot, infection of seed by Phomopsis spp., and severity of pod and stem blight on Asgrow 4403, Delta Pine 5806, United States Department of Agriculture–introduced DT 97-4290 and plant introduction (PI) number PI 567562A, and Asgrow 4403 treated and not treated with lactofen or azoxystrobin. This is the first report of high lev

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OPREA, Daniela, Maria JOITA-PACUREANU, Florin Gabriel ANTON, and Luxita RISNOVEANU. "The Resistance of Sunflower to the Attack of Some Pathogenic Agents in the Climate Conditions of the Northeast Baragan." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture 79, no. 2 (2022): 54–58. http://dx.doi.org/10.15835/buasvmcn-agr:2022.0034.

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Due to its national economic importance, the sunflower crop has established itself as the main oleaginous crop cultivated in Romania. It faces several diseases that are difficult to fight chemically. The creation of hybrids resistant to the attack of pathogens has proven to be an effective, safe, and environmentally friendly solution. This paper aims to examine the resistance of some biological sunflower creations created in Romania, to the attack of Phomopsis helianthi and Phoma macdonaldi fungi, in 2021. The experiment was placed in field conditions with a natural infestation, at A.R.D.S. Br

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Ondřej, M., L. Odstrčilová, and R. Dostálová. "Phomopsis pisi – a new species causing pea stem canker." Plant Protection Science 42, No. 3 (2010): 95–98. http://dx.doi.org/10.17221/2756-pps.

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Анотація:

The new species <i>Phomopsis pisi</i> Ondřej sp. n. (Anamorphic Fungi – Coelomycetes) occurred on stems of pea (<i>Pisum sativum</i> L.) cv. Adept at Šumperk-Temenice (Czech Republic). The fungus caused plants to die at the green maturity stage. The new species differs from Phomopsis pisicola. It differs in the length and width of conidiophores and conidia.

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Charchar, Maria José d' A., José R. N. Anjos, and José T. Melo. "Infecção natural de jatobá por Phomopsis sp. no Distrito Federal." Fitopatologia Brasileira 28, no. 3 (2003): 316–18. http://dx.doi.org/10.1590/s0100-41582003000300016.

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No ano de 1999, no Distrito Federal, em plantas de jatobá (Hymenaea stigonocarpa) foram observados sintomas de lesões foliares de onde foi isolado o fungo Phomopsis sp. Em condições de casa de vegetação, foram inoculadas folhas com o fungo em dez plantas de jatobá e dez foram mantidas como controle. Os sintomas desenvolvidos nas plantas inoculadas com ferimento foram observados no sétimo dia após inoculação, de onde o fungo Phomopsis sp. foi reisolado. Nas plantas controle não foram observados sintomas. Este é o primeiro relato de Phomopsis sp. em folhas de jatobá, no Brasil, em condições natu

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Cheah, L.-H., and C. M. Horlock. "Fieldapplied fungicides and postharvest treatments to control asparagus diseases posing biosecurity threats to New Zealand." New Zealand Plant Protection 60 (August 1, 2007): 94–98. http://dx.doi.org/10.30843/nzpp.2007.60.4631.

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Collaborative research between New Zealand and Australia has investigated fieldapplied fungicides and postharvest treatments for control of asparagus rust (caused by Puccinia asparagi) and phomopsis stem blight of asparagus (caused by Phomopsis asparagi) in Queensland In a 2004 field trial the fungicides difenoconazole and propiconazole reduced the incidence of asparagus rust In a 2005 field trial four fungicides (carbendazim chlorothalonil iprodione and propiconazole) reduced the severity of phomopsis stem blight Postharvest disinfection with sodium hypochlorite or with calcium hypochlorite a

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Baird, R. E., T. S. Abney, and B. G. Mullinix. "Fungi associated with pods and seeds during the R6 and R8 stages of four soybean cultivars in southwestern Indiana." Phytoprotection 82, no. 1 (2005): 1–11. http://dx.doi.org/10.7202/706210ar.

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A total of 6,403 isolates of fungi were identified from soybean pods and seeds collected late in the 1992 and 1993 growing season (R6 and R8 soybean growth stages). The majority of fungi consisted of Deuteromycetes (95.5%) followed by Ascomycetes (0.9%). Common fungal genera isolated during the study included Phomopsis, Alternaria, Cercospora, and Colletotrichum (= Glomerella) . Cercospora and Phomopsis were identified more commonly from pods and seeds at harvest maturity (R8) than at the greenbean stage of development (R6). However, isolation frequencies of Colletotrichum were greater from ti

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Xu, Tang-Chang, Yi-Han Lu, Jun-Fei Wang, et al. "Bioactive Secondary Metabolites of the Genus Diaporthe and Anamorph Phomopsis from Terrestrial and Marine Habitats and Endophytes: 2010–2019." Microorganisms 9, no. 2 (2021): 217. http://dx.doi.org/10.3390/microorganisms9020217.

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The genus Diaporthe and its anamorph Phomopsis are distributed worldwide in many ecosystems. They are regarded as potential sources for producing diverse bioactive metabolites. Most species are attributed to plant pathogens, non-pathogenic endophytes, or saprobes in terrestrial host plants. They colonize in the early parasitic tissue of plants, provide a variety of nutrients in the cycle of parasitism and saprophytism, and participate in the basic metabolic process of plants. In the past ten years, many studies have been focused on the discovery of new species and biological secondary metaboli

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SAVU, Sergiu, Liliana Lucia TOMOIAGA, and Veronica Sanda CHEDEA. "Ecological Microclimate Influence on Grapevine Phomopsis viticola Attack Frequency in Aiud-Ciumbrud Vineyards." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Horticulture 77, no. 2 (2020): 64. http://dx.doi.org/10.15835/buasvmcn-hort:2020.0026.

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Phomopsis viticola (Sacc.) Sacc. (syn. Cryptosporella viticola Shear, Diaporthe viticola Nitschke, Diplodia viticola Desm, Fusicoccum viticolum Reddick, Phoma flaccida Viala & Ravaz, Phoma viticola Sacc.), is the causal agent of the grapevine disease named ‘Phomopsis cane’ and ‘Leaf spot’ in the U.S.A. or ‘Excoriose’ in Europe. This study aims to evaluate the influence of the microclimate on Phomopsis viticola attack in Aiud-Ciumbrud vineyards. The observations were done on four plots in Aiud-Ciumbrud vineyards in the period March-August 2020. Up to the end of August 2020, ten treatments w

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Tongsri, Veeranee, Pattavipha Songkumarn, and Somsiri Sangchote. "Leaf Spot Characteristics of Phomopsis Durionis on Durian (Durio Zibethinus Murray) and Latent Infection of the Pathogen." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 64, no. 1 (2016): 185–93. http://dx.doi.org/10.11118/actaun201664010185.

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A survey of leaf spot disease on durian caused by Phomopsis durionis was conducted in durian growing areas in eastern Thailand, Chanthaburi and Trat provinces. It was found that lesions with yellow halos on both mature and young leaves are variable in sizes (1–10 mm in diameter). In this study, nine morphologically distinct isolates of Phomopsis were obtained from durian leaf spots. Some of them produced small number of pycnidia on potato dextrose agar after incubation for 30 days. Artificial inoculation on wounded leaves of durian seedlings, resulted in the production of browning areas with y

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Koning, G., D. M. TeKrony, and S. A. Ghabrial. "Soybean Seedcoat Mottling: Association with Soybean mosaic virus and Phomopsis spp. Seed Infection." Plant Disease 87, no. 4 (2003): 413–17. http://dx.doi.org/10.1094/pdis.2003.87.4.413.

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Soybean mosaic virus (SMV) infection predisposes soybean (Glycine max) seed to Phomopsis spp. seed infection and may induce seedcoat mottling. The extent of seedcoat mottling associated with the accumulation of SMV or Phomopsis spp. infection of the seedcoat was investigated in 1996 and 1997. Plants of two SMV-susceptible cultivars, ‘Clark’ and ‘Williams’, were sap inoculated with the G2 strain of SMV at growth stage R2. Control plants (SMV-resistant isolines L78-434 and L78-379, respectively) were not inoculated. Harvested seed were evaluated visually for seedcoat mottling and sorted into fou

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