Bibliografias temáticas / Cotton – Plant pathogens

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Literatura científica selecionada sobre o tema "Cotton – Plant pathogens"

Autor: Grafiati
Publicado: 4 de junho de 2021
Última modificação: 1 de fevereiro de 2022

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Artigos de revistas sobre o assunto "Cotton – Plant pathogens"

1

Bashan, Yoav, Hanna Levanony, and Reuven Or. "Association between Alternaria macrospora and Alternaria alternata, causal agents of cotton leaf blight." Canadian Journal of Botany 69, no. 12 (1991): 2603–7. http://dx.doi.org/10.1139/b91-324.

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The association between Alternaria macrospora and Alternaria alternata, responsible for the development of alternaria blight disease in cotton, was evaluated in artificially inoculated greenhouse plants and in naturally infested field plants. When greenhouse plants were inoculated with suboptimal doses of both pathogens (< 1.2 × 104 spores/mL) infection was greater than when separately inoculated by each pathogen at optimal dosage. In field-grown, naturally infected plants (Gossypium barbadense), both pathogens were found together in more than 40% of the plants. A second field-grown cotton
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Bashan, Yoav. "Symptom expression and ethylene production in leaf blight of cotton caused by Alternaria macrospora and Alternaria alternata alone and in combination." Canadian Journal of Botany 72, no. 11 (1994): 1574–79. http://dx.doi.org/10.1139/b94-194.

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The interaction between the cotton leaf pathogens Alternaria macrospora and Alternaria alternata was studied using dual inoculation at dosages (≈ 103 spores/(mL ∙ pathogen)) that did not produce symptoms with either pathogen alone. This dual inoculation produced the typical disease symptoms (spots and shedding) and disease severity similar to inoculation with 104 spores/mL of A. macrospora alone. Neither pathogen produced ethylene in culture; however, they induced production of ethylene concentrations by diseased tissue that were correlated to both disease severity and leaf shedding. Plants in
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Degani, Ofir, Shlomit Dor, Dekel Abraham, and Roni Cohen. "Interactions between Magnaporthiopsis maydis and Macrophomina phaseolina, the Causes of Wilt Diseases in Maize and Cotton." Microorganisms 8, no. 2 (2020): 249. http://dx.doi.org/10.3390/microorganisms8020249.

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Fungal pathogens are a significant threat to crops worldwide. The soil fungus, Magnaporthiopsis maydis, severely affects sensitive maize hybrids by causing the rapid wilting of plants at the maturity stage. Similarly, the soil fungus, Macrophomina phaseolina, develops in a variety of host plants, which leads to rot and plant mortality. The presence of both pathogens together in diseased cotton plants in Israel suggests possible interactions between them. Here, these relationships were tested in a series of experiments accompanied by real-time PCR tracking in maize and cotton. Despite the fact
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Gui, Yue-Jing, Wen-Qi Zhang, Dan-Dan Zhang, et al. "A Verticillium dahliae Extracellular Cutinase Modulates Plant Immune Responses." Molecular Plant-Microbe Interactions® 31, no. 2 (2018): 260–73. http://dx.doi.org/10.1094/mpmi-06-17-0136-r.

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Cutinases have been implicated as important enzymes during the process of fungal infection of aerial plant organs. The function of cutinases in the disease cycle of fungal pathogens that invade plants through the roots has been less studied. Here, functional analysis of 13 cutinase (carbohydrate esterase family 5 domain–containing) genes (VdCUTs) in the highly virulent vascular wilt pathogen Verticillium dahliae Vd991 was performed. Significant sequence divergence in cutinase family members was observed in the genome of V. dahliae Vd991. Functional analyses demonstrated that only VdCUT11, as p
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Bashan, Yoav. "Azospirillum plant growth-promoting strains are nonpathogenic on tomato, pepper, cotton, and wheat." Canadian Journal of Microbiology 44, no. 2 (1998): 168–74. http://dx.doi.org/10.1139/w97-136.

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Six strains of Azospirillum belonging to five species of plant growth-promoting bacteria (A. brasilense, A. lipoferum, A. amazonense, A. irakense, and A. halopraeference) did not cause visible disease symptoms on the roots or leaves of tomato, pepper, cotton, and wheat, failed to inhibit seed germination, and did not reduce plant dry weight when seven standard techniques for the inoculation of plant pathogens were used. Similar inoculation conditions with plant pathogens (Pseudomonas syringae pv. tomato, Xanthomonas campestris pv. vesicatoria, Xanthomonas campestris pv. translucens, and Xantho
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Arif, M., S. Dobhal, P. A. Garrido, et al. "Highly Sensitive End-Point PCR and SYBR Green qPCR Detection of Phymatotrichopsis omnivora, Causal Fungus of Cotton Root Rot." Plant Disease 98, no. 9 (2014): 1205–12. http://dx.doi.org/10.1094/pdis-05-13-0505-re.

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Phymatotrichopsis omnivora, the causal pathogen of cotton root rot, is a devastating ascomycete that affects numerous important dicotyledonous plants grown in the southwestern United States and northern Mexico. P. omnivora is notoriously difficult to isolate from infected plants; therefore methods for accurate and sensitive detection directly from symptomatic and asymptomatic plant samples are needed for disease diagnostics and pathogen identification. Primers were designed for P. omnivora based on consensus sequences of the nuclear ribosomal internal transcribed spacer (ITS) region of geograp
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Walker, N. R., T. L. Kirkpatrick, and C. S. Rothrock. "Effect of Temperature on and Histopathology of the Interaction Between Meloidogyne incognita and Thielaviopsis basicola on Cotton." Phytopathology® 89, no. 8 (1999): 613–17. http://dx.doi.org/10.1094/phyto.1999.89.8.613.

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Controlled environments were used to study the relationship between the root-knot nematode (Meloidogyne incognita) and Thielaviopsis basicola on cotton. Temperature treatments were continuous 20, 24, and 28°C or two cyclic linear regimes with ranges of 14 to 32 or 18 to 28°C over 24 h. Cotton seeds were planted in fumigated soil infested with T. basicola, M. incognita, or both. After 42 days, pathogen effects on plant growth and pathogen development were evaluated. Histology was conducted on roots collected 14, 28, and 42 days after planting in the continuous 24°C treatment. Reductions in plan
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Mor, M., and E. Cohn. "New nematode pathogens in Israel:Meloidogyne on wheat andHoplolaimus on cotton." Phytoparasitica 17, no. 3 (1989): 221. http://dx.doi.org/10.1007/bf02979539.

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He, Xin, Tianyi Wang, Wan Zhu, Yujing Wang, and Longfu Zhu. "GhHB12, a HD-ZIP I Transcription Factor, Negatively Regulates the Cotton Resistance to Verticillium dahliae." International Journal of Molecular Sciences 19, no. 12 (2018): 3997. http://dx.doi.org/10.3390/ijms19123997.

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The homeodomain-leucine zipper (HD-ZIP) is a plant-specific transcription factor family that plays important roles in plant developmental processes in response to multiple stressors. We previously isolated a cotton HD-ZIP class I transcription factor gene, GhHB12, which is regulated by the circadian clock and photoperiodism. Furthermore, it regulates cotton architecture, phase transition, and photoperiod sensitivity. Here we report that GhHB12 was induced by methyl jasmonate (MeJA) and Verticillium dahliae infection. Additionally, stress-responsive elements were found in the GhHB12 promoter. P
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Dong, Yumei, Maofeng Jing, Danyu Shen, et al. "The mirid bug Apolygus lucorum deploys a glutathione peroxidase as a candidate effector to enhance plant susceptibility." Journal of Experimental Botany 71, no. 9 (2020): 2701–12. http://dx.doi.org/10.1093/jxb/eraa015.

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Abstract The mirid bug Apolygus lucorum has become a major agricultural pest since the large-scale cultivation of Bt-cotton. It was assumed that A. lucorum, similarly to other phloem sap insects, could secrete saliva that contains effector proteins into plant interfaces to perturb host cellular processes during feeding. However, the secreted effectors of A. lucorum are still uncharacterized and unstudied. In this study, 1878 putative secreted proteins were identified from the transcriptome of A. lucorum, which either had homology with published aphid effectors or shared common features with pl
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Teses / dissertações sobre o assunto "Cotton – Plant pathogens"

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Matheron, Michael E., and Martin Porchas. "Comparative Effect of Five Fungicides on the Development of Root and Stem Rot and Survival of Chile Pepper Plants Grown in Field Soil Naturally Infested with Phytophthora capsici." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220000.

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Five different fungicides, including azoxystrobin, dimethomorph, fluazinam, fosetyl-Al, and mefenozem (metalaxyl), were evaluated for their ability to inhibit the development of root and crown rot and increase the survival of chile pepper plants grown in soil naturally infested with Phytophthora capsici. For chile pepper plants grown in field soil naturally infested with P. capsici and subjected to a 48 h flood period every 2 weeks, growth and survival of plants receiving one treatment of dimethomorph at 100 μg/ml or fluazinam at 1,000 μg/ml were significantly greater than that for plants trea
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Matheron, Michael E., and Martin Porchas. "Comparison of New Fungicides to Manage Sclerotinia Leaf Drop of Lettuce in 2000." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220001.

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Sclerotinia minor and S. sclerotiorum are the two soil-borne pathogenic fungi that cause Sclerotinia leaf drop in Arizona. Moist soils and moderate temperature favor this disease. Some new fungicides in development were evaluated for control of leaf drop on lettuce during the winter vegetable growing season of 1999-2000. Sclerotia of each pathogen were applied to plots after thinning and just before the first of two applications of test compounds. In this trial, the final count of dead lettuce plants usually was numerically reduced, compared to nontreated plots, in plots infested with either p
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Matheron, Michael E., and Martin Porchas. "Effect of Cultivar and Actigard on Development of Powdery Mildew on Lettuce." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220002.

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Nine different cultivars of lettuce were planted at the Yuma Valley Agricultural Center. Plants were treated four times with two different rates of Actigard. Control plants were not treated. Near plant maturity (Mar. 23, 2000) the severity of powdery mildew was recorded. Among nontreated plants, Cibola, Conquistador, and Coolguard had the lowest levels of powdery mildew. On the other hand, Bos 9003 and Mohawk had significantly higher levels of powdery mildew than all other tested cultivars. Four applications of Actigard at a rate of 14 g. of active ingredient per acre significantly reduced the
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Olsen, M., M. McClure, and S. Husman. "Effect of Preplant Fumigation on Yield of Chile Pepper Infected with Root-Knot Nematode." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220003.

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A field test was established in 1999 to determine the effect of preplant soil fumigation on yield of chile pepper in southeastern Arizona in order to give growers data on which to base management decisions. Replicated plots within a nematode-infested field planted with New Mex 6-4 chile in March 1999 were either treated with Telone II fumigant at 7 gal/A two weeks before planting or not treated. In a mid-season assay in July 1999, the effects of fumigation were evident in plant canopy growth although numbers of J2/cc soil were not significant between treatments (p=0.058). Differences in yields
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Matheron, Michael E., and Martin Porchas. "Evaluation of Fungicide Performance for Control of Powdery Mildew on Lettuce in 2000." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220020.

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Powdery mildew on lettuce is caused by the fungus Erysiphe cichoracearum. This disease is favored by moderate to warm temperatures and dry weather conditions. Several potential new fungicides were evaluated for control of powdery mildew on lettuce in 2000. Powdery mildew appeared in our plots by Feb 9 and reached high levels by plant maturity on Mar 2. Nontreated lettuce plants were heavily infected with powdery mildew at plant maturity, whereas the disease ranged from low to virtually nonexistent levels in plots treated with BAS 500, Quadris+Actigard, Flint, Flint+Actigard, Flint alternated (
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Matheron, Michael E., and Martin Porchas. "Performance of New Chemistries for Control of Powdery Mildew of Cantaloupe in 1999." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220021.

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Powdery mildew on melons is an annual disease problem in Arizona. Sphaerotheca fuliginea is the plant pathogenic fungus that causes powdery mildew of cucurbits, which include cantaloupe, honeydew, watermelon, cucumber and squash. When environmental conditions are favorable, disease incidence and severity can reach economically significant levels. Factors that favor development of powdery mildew on melons include moderate temperatures and relative humidity, succulent plant growth, and reduced light intensity brought about by a dense plant canopy. Potential new fungicides were evaluated and comp
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Kapsalis, Apostolos V. "Biological control of soilborne pathogens causing damping-off symptoms in cotton plants." Thesis, University of Reading, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430919.

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Bhoora, Raksha. "Molecular characterisation of Eucalyptus grandis PGIP." Diss., University of Pretoria, 2003. http://hdl.handle.net/2263/24370.

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Coniothyrium zuluense is the causal agent of a serious Eucalyptus stem canker disease in South Africa (Wingfield et al., 1997). Eucalypts are the most important hardwood plantations in the world, and in South Africa these hardwoods occupy approximately 1.5 million hectares of plantation area, an area that is soon to be increased by an additional 600 000 hectares. As exotics, Eucalyptus plantations are constantly exposed to infection by fungal pathogens such as C. zuluense, which by secreting cell-¬wall degrading enzymes contribute to the degradation of plant cell walls and subsequent reduction
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"Biochemical characterization of the polygalacturonase inhibiting protein from cotton." Thesis, 2012. http://hdl.handle.net/10210/5529.

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M.Sc.<br>Plants have evolved a complex array of biochemical pathways that enable them to recognise and respond to signals from the environment. At present, little is known about the signal transduction pathways that are activated during a plant's response to attack by a pathogen, although this knowledge is central to our understanding of disease susceptibily and resistance. A common form of plant resistance is the restriction of pathogen proliferation to a small zone surrounding the site of infection. In many cases, this restriction is accompanied by localized death of host tissues, known as t
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Zwiegelaar, Michele. "DDRT-PCR analysis of defense-related gene induction in cotton." Thesis, 2008. http://hdl.handle.net/10210/434.

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Plants have evolved mechanisms to defend themselves against pathogen attack. These defense mechanisms consist of a series of inducible responses (including specific recognition of pathogen invasion, signal transduction and defense gene activation) that result in resistance. Plants responses to pathogen invasion also result in the suppression of various housekeeping activities of the cells, thus diverting the cellular resources to defense responses. Systemic acquired resistance (SAR), an inducible defense response enhanced as a result of initial infection with a necrotising pathogen, lead to lo
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Capítulos de livros sobre o assunto "Cotton – Plant pathogens"

1

Bell, Alois A., Marshall E. Mace, and Robert D. Stipanovic. "Biochemistry of Cotton (Gossypium) Resistance to Pathogens." In Natural Resistance of Plants to Pests. American Chemical Society, 1986. http://dx.doi.org/10.1021/bk-1986-0296.ch004.

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Shevell, J. L., M. Pierce, J. A. Hall, and M. Essenberg. "Phytoalexin Accumulation in Congenic Cotton Lines Challenged with Different Races of Xanthomonas Campestris Pv. Malvacearum." In Plant Pathogenic Bacteria. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3555-6_126.

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Poswal, M. A. T., and I. D. Erinle. "Comparative Study of the Efficacy of Busan 30, Busan 72, and Bronocot for the Control of Bacterial Blight of Cotton in Northern Nigeria." In Plant Pathogenic Bacteria. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3555-6_210.

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Daayf, F., A. Pando-Bahuon, and J. P. Geiger. "Pathogenic Variability of Verticillium Dahliae on Cotton; Use of Virulence Stable Hyalin Clones to Investigate Host Reactions." In Developments in Plant Pathology. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1737-1_120.

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López, M. A. Blanco, J. Bejarano Alcazar, J. M. Malero-Vera, and R. M. Jiménez-Diaz. "Current Status of Verticillium Wilt of Cotton in Southern Spain: Pathogen Variation and Population in Soil." In Vascular Wilt Diseases of Plants. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73166-2_8.

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