Готові списки джерел за темами / Rhizoctonia solani kuhn

Добірка наукової літератури з теми "Rhizoctonia solani kuhn"

Автор: Grafiati

Опубліковано: 18 травня 2024

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Статті в журналах з теми "Rhizoctonia solani kuhn"

NAZAROV, V. N., I. I. BUSKO, I. V. LEVANTSEVICH, L. A. MANTSEVICH, and M. M. TIMOHOVA. "POTATOES SELECTION MATERIAL ASSESSMENT BY SPROUTS AND TUBERS FOR RESISTANCE TO RHIZOCTONIA SOLANI KUHN." Potato Growing 28 (December 28, 2020): 91–96. http://dx.doi.org/10.47612/0134-9740-2020-28-91-96.

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The two-year data on resistance of competitive variety trials of potatoes hybrids to Rhizoctonia solani Kuhn. are presented in the article. The estimation of potatoes breeding material for sprouts and tubers for resistance to Rhizoctonia solani Kuhn. is given and some hybrids are recommended for breeding process.

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NAZAROV, V. N., I. I. BUSKO, I. V. LEVANTSEVICH, L. A. MANTSEVICH, and M. M. TIMOHOVA. "POTATOES BREEDING MATERIAL ASSESSMENT FOR RESISTANCE TO RHIZOCTONIA SOLANI KUHN." Potato Growing 29 (December 22, 2021): 93–97. http://dx.doi.org/10.47612/0134-9740-2021-29-93-97.

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The two-year data on resistance of competitive variety trials of potatoes hybrids to Rhizoctonia solani Kuhn. are presented in the article. The evaluation of potatoes breeding material for sprouts and tubers for resistance to Rhizoctonia solani Kuhn. is given and some hybrids have been recommended for selective breeding.

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Fan, Wen Zhong. "Identification and Biological Characteristics of Strawberry Root Rot Pathogen." Applied Mechanics and Materials 312 (February 2013): 857–61. http://dx.doi.org/10.4028/www.scientific.net/amm.312.857.

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By research on strawberry root rot germ in several bases of Jilin province, cleared that the pathogen of strawberry root rot mainly were F. oxysporum and Rhizoctonia solani Kuhn, the growth of F. oxysporum was the best when took sucrose as C source, and the growth of Rhizoctonia solani Kuhn was the best when took starch as C source. KNO3 was the most appropriate N source to their growth. The effect of light on F. oxysporum was not great, but on Rhizoctonia solani Kuhn was great, the growth of mycelium was the fastest under alternating light and dark conditions, and had inhibition under full light conditions. Acidic conditions were suitable for mycelium growth of F. oxysporum, and the growth speed of both pathogens was the highest when PH was 6.

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Welvaert, W. "CONTROL OF RHIZOCTONIA SOLANI KUHN USING INDUCED ANTAGONISM." Acta Horticulturae, no. 176 (May 1986): 209–14. http://dx.doi.org/10.17660/actahortic.1986.176.24.

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Jiang, Shengfei, Guoyu Yang, Lijun Shi, Liangxin Fan, Zhenliang Pan, Caixia Wang, Xiaodan Chang та ін. "Design, Catalyst-Free Synthesis of New Novel α-Trifluoromethylated Tertiary Alcohols Bearing Coumarins as Potential Antifungal Agents". Molecules 28, № 1 (28 грудня 2022): 260. http://dx.doi.org/10.3390/molecules28010260.

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A new method for the synthesis of α-trifluoromethylated tertiary alcohols bearing coumarins is described. The reaction of 3-(trifluoroacetyl)coumarin and pyrrole provided the target compounds with high yields under catalyst-free, mild conditions. The crystal structure of compound 3fa was investigated by X-ray diffraction analysis. The biological activities, such as in vitro antifungal activity of the α-trifluoromethylated tertiary alcohols against Fusarium graminearum, Fusarium oxysporum, Fusarium moniliforme, Rhizoctonia solani Kuhn, and Phytophthora parasitica var nicotianae, were investigated. The bioassay results indicated that compounds 3ad, 3gd, and 3hd showed broad-spectrum antifungal activity in vitro. Compound 3cd exhibited excellent fungicidal activity against Rhizoctonia solani Kuhn, with an EC50 value of 10.9 μg/mL, which was comparable to that of commercial fungicidal triadimefon (EC50 = 6.1 μg/mL). Furthermore, molecular docking study suggested that 3cd had high binding affinities with 1W9U, like argifin.

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Freddo, Álvaro Rodrigo, Sérgio Miguel Mazaro, Eleandro José Brun, and Américo Wagner Júnior. "A quitosana como fungistático no crescimento micelial de Rhizoctonia solani Kuhn." Ciência Rural 44, no. 1 (January 2014): 1–4. http://dx.doi.org/10.1590/s0103-84782014000100001.

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Rhizoctonia solani é um fungo causador de tombamento de plântulas em várias espécies vegetais. A quitosana é um polímero derivado do processo de desacetilação da quitina, a qual é encontrada em grande quantidade na carapaça de crustáceos, insetos e parede celular de fungos. A quitosana tem sido testada para diversos usos, inclusive no controle de fitopatógenos em agricultura, já que apresenta atividade antimicrobiana, para controle de patógenos. O presente trabalho teve como objetivo avaliar o efeito fungistático de diferentes concentrações de quitosana (0; 0,25; 0,5; 1 e 2%) no crescimento micelial do fungo R. solani in vitro. Os resultados obtidos demonstraram efeito significativo de quitosana nas diferentes concentrações utilizadas, na redução do crescimento micelial de R. solani. Observou-se também aumento do efeito fungistático da quitosana conforme o aumento da dose.

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Grichar, W. J., B. A. Besler, and A. J. Jaks. "Use of Azoxystrobin for Disease Control in Texas Peanut." Peanut Science 27, no. 2 (July 1, 2000): 83–87. http://dx.doi.org/10.3146/i0095-3679-27-2-9.

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Abstract Field studies were conducted at 11 locations across south Texas from 1994 to 1997 to determine the activity of azoxystrobin against southern stem rot (Sclerotium rolfsii Sacc.), Rhizoctonia pod rot (Rhizoctonia solani Kuhn), early leaf spot (Cercospora arachidicola Hori) and late leaf spot [Cercosporidium personatum (Berk. & Curt.) Deighton]. Azoxystrobin at 0.22 to 0.45 kg/ha applied twice provided control of stem rot, Rhizoctonia pod rot, and leaf spot comparable to tebuconazole at 0.2 kg/ha applied four times. Peanut yield increases were evident with all fungicide treatments over the untreated check.

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T., Tharana Poonacha, Farooqkhan ., Yashoda R. Hegde, Nithya S. R., and Ismayil M. M. S. "Efficacy of fungicides against Rhizoctonia solani (J. G. Kuhn) causing root rot of french bean." Environment and Ecology 41, no. 3B (August 2023): 1838–43. http://dx.doi.org/10.60151/envec/mrvm2315.

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The present in vitro study was carried out at the Department of Plant Pathology, University of Agricultural Sciences, Dharwad, Karnataka, India to evaluate the efficacy of various fungicides against Rhizoctonia solani (J. G. Kuhn) causing root rot of french bean using poisoned food technique. Among the contact fungicides tested, captan (70.37 %) and chlorothalonil (69.63 %) recorded maximum percent inhibition of mycelial growth and significantly superior over all other treatments. Carbendazim, difenoconazole, hexaconazole, propiconazole and tebuconazole (systemic fungicides) recorded cent per cent inhibition of mycelial growth of Rhizoctonia solani. Cent percent mycelial inhibition was recorded in all the combi product fungicides viz., (carbendazim + mancozeb), (trifloxystrobin + tebuconazole), (tricyclazole + mancozeb), (captan 70 % + hexaconazole 5 %) and (carboxin + thiram) at all the concentrations.

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., Tarek A. A. Moussa. "Studies on Biological Control of Sugarbeet Pathogen Rhizoctonia solani Kuhn." Journal of Biological Sciences 2, no. 12 (November 15, 2002): 800–804. http://dx.doi.org/10.3923/jbs.2002.800.804.

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KUMAR, N. KIRAN, M. K. Prasanna, L. Vijay Kumar, and Pooja S. Patel. "Sustainable management of sheath blight in rice (Rhizoctonia solani Kuhn)." JOURNAL OF ECO-FRIENDLY AGRICULTURE 18, no. 2 (2023): 382–88. http://dx.doi.org/10.48165/jefa.2023.18.02.30.

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A study was done to explore the various strategies to manage sheath blight of rice. During kharif 2018 and 2019, different treatments viz., foliar and soil application of Trichoderma viride, Pseudomonas fluorescens, mustard and radish leaf and their combination were applied at 30 and 60 days after transplanting (DAT), parameters such as disease severity, grain chaffiness, plant height and yield were evaluated at 45 and 75 DAT. Foliar application of propiconazole 25% EC @ 0.1% was most effective (50%-75.01%) followed by soil application of mustard leaf @ 5 kg/plot before transplanting and foliar application of P. fluorescens @ 5 g/L whereas foliar application of T. viride @ 5 g/L (9.64% and 46. 64%) was least effective. The foliar application of propiconazole 25% EC @ 0.1% recorded lowest percent of chaffiness (11-15%), highest yield of 4941.7-4991.7 kg/ha, whereas foliar application of T. viride @ 5 g/L showed highest percent of chaffiness (28.67-36.67%) with 3516.7-3475 kg/ha.

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Дисертації з теми "Rhizoctonia solani kuhn"

Bueno, César Júnior [UNESP]. "Efeito da solarização do solo sobre a população de Pseudomonas spp. fluorescente antagonista a Rhizoctonia solani Kuhn GA 4 HGI." Universidade Estadual Paulista (UNESP), 2001. http://hdl.handle.net/11449/97214.

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Made available in DSpace on 2014-06-11T19:28:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2001-01Bitstream added on 2014-06-13T19:58:13Z : No. of bitstreams: 1 bueno_cj_me_botfca.pdf: 1013904 bytes, checksum: 043d789384b345a558786fd5831a2833 (MD5)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
O trabalho foi realizado nas instalações do Departamento de Produção Vegetal/Defesa Fitossanitária da Faculdade de Ciências Agronômicas-UNESP (22º51’S e 48º26’W)- Botucatu/SP e consistiu da instalação de dois experimentos idênticos em épocas distintas com duas etapas cada. A primeira destas objetivou verificar o efeito da solarização sobre a comunidade nativa de Pseudomonas spp. fluorescentes no campo e em túnel plástico. Nesta fase, monitorou-se a população das bactérias aos 0, 7, 14, 21, 28 e 35 dias durante a solarização. Na segunda etapa, verificou-se a indução de supressividade do solo, no controle da doença, em feijoeiro na cultivar ‘IAC Carioca’, causada por Rhizoctonia solani GA 4 HGI, agente causal do ‘damping-off’ do feijoeiro, através do emprego do solo previamente solarizado ou não, transportado para vasos, sob condições de casa-de-vegetação. Monitorou-se a população das bactérias em meio B de King e o índice de severidade de R. solani aos 7, 14 e 21 dias após a semeadura através de escala de notas. Para a inoculação o fungo foi cultivado em substrato areno-orgânico e incorporado ao solo na proporção de 0,5% p/v. A detecção endofítica ou epífita de Pseudomonas spp. fluorescentes em sementes de feijão, o teste de antagonismo a Rhizoctonia solani e a caracterização genérica através de testes morfológicos e bioquímicos, foram feitos em condições de laboratório. O tempo de solarização foi de 35 dias nos períodos de 19/11/99 a 24/12/99 e de 17/02/00 a 23/03/00. Observou-se maiores temperaturas em túnel plástico nos dois períodos. As maiores médias máximas no campo e túnel plástico foram maiores no primeiro período do que no segundo. A solarização e ausência de cobertura vegetal diminuíram a população das bactérias a níveis indetectáveis no campo e túnel... .
The study was carried out at the Departament of Plant Production - UNESP– Botucatu/SP, Brazil (22º51’S and 48º26’W). The study consisted of two identical experiments installed in different periods with two stages each. The objective of the first experiment was to verify the effect of solarization on the native community of fluorescent Pseudomonas spp. under field and plastic tunnel conditions. The bacterium population was monitored at 0, 7, 14, 21, 28 and 35 days of solarization. In the second experiment, it was verified a possible induction of soil suppressiveness to control disease, caused by Rhyzoctonia solani GA 4 HGI on bean ‘IAC Carioca’, through solarized or not solarized soil transferred to vases, under greenhouse conditions. The bacterium population was monitored in King’s B medium and the severity rate of R. solani was determined at the 7, 14 and 21 days after sowing using a scale of notes. R. solani was cultivated for inoculation in sand-organic substratum and incorporated at the soil in the 0.5 w/v proportion. The detection of the endophytic or epiphytic forms of the fluorescent Pseudomonas spp. in bean seeds, the antagonism test against Rhizoctonia solani and the generic characterization by the morphological and biochemistry tests were made under laboratory conditions. The extension of the solarization was 35 days, from 11/19/00 to 12/24/00 and from 02/17/00 to 03/23/00. The greatest temperatures were observed in plastic tunnel in both periods. The greatest maximum media temperatures were bigger in the first period than in the second one. The soil solarization and the absence of vegetable mulching decreased the bacteria population at undetected levels in the field and tunnel. The soil solarization in the field and tunnel did not induce soil suppressiveness to R. solani. It was not observed endophytic and epiphytic forms of... (Complete abstract, click electronic address below).

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Bueno, César Júnior. "Efeito da solarização do solo sobre a população de Pseudomonas spp. fluorescente antagonista a Rhizoctonia solani Kuhn GA 4 HGI /." Botucatu : [s.n.], 2001. http://hdl.handle.net/11449/97214.

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Orientador: Nilton Luiz de Souza
Resumo: O trabalho foi realizado nas instalações do Departamento de Produção Vegetal/Defesa Fitossanitária da Faculdade de Ciências Agronômicas-UNESP (22º51'S e 48º26'W)- Botucatu/SP e consistiu da instalação de dois experimentos idênticos em épocas distintas com duas etapas cada. A primeira destas objetivou verificar o efeito da solarização sobre a comunidade nativa de Pseudomonas spp. fluorescentes no campo e em túnel plástico. Nesta fase, monitorou-se a população das bactérias aos 0, 7, 14, 21, 28 e 35 dias durante a solarização. Na segunda etapa, verificou-se a indução de supressividade do solo, no controle da doença, em feijoeiro na cultivar 'IAC Carioca', causada por Rhizoctonia solani GA 4 HGI, agente causal do 'damping-off' do feijoeiro, através do emprego do solo previamente solarizado ou não, transportado para vasos, sob condições de casa-de-vegetação. Monitorou-se a população das bactérias em meio B de King e o índice de severidade de R. solani aos 7, 14 e 21 dias após a semeadura através de escala de notas. Para a inoculação o fungo foi cultivado em substrato areno-orgânico e incorporado ao solo na proporção de 0,5% p/v. A detecção endofítica ou epífita de Pseudomonas spp. fluorescentes em sementes de feijão, o teste de antagonismo a Rhizoctonia solani e a caracterização genérica através de testes morfológicos e bioquímicos, foram feitos em condições de laboratório. O tempo de solarização foi de 35 dias nos períodos de 19/11/99 a 24/12/99 e de 17/02/00 a 23/03/00. Observou-se maiores temperaturas em túnel plástico nos dois períodos. As maiores médias máximas no campo e túnel plástico foram maiores no primeiro período do que no segundo. A solarização e ausência de cobertura vegetal diminuíram a população das bactérias a níveis indetectáveis no campo e túnel... (Resumo completo, clicar acesso eletrônico abaixo).
Abstract: The study was carried out at the Departament of Plant Production - UNESP- Botucatu/SP, Brazil (22º51'S and 48º26'W). The study consisted of two identical experiments installed in different periods with two stages each. The objective of the first experiment was to verify the effect of solarization on the native community of fluorescent Pseudomonas spp. under field and plastic tunnel conditions. The bacterium population was monitored at 0, 7, 14, 21, 28 and 35 days of solarization. In the second experiment, it was verified a possible induction of soil suppressiveness to control disease, caused by Rhyzoctonia solani GA 4 HGI on bean 'IAC Carioca', through solarized or not solarized soil transferred to vases, under greenhouse conditions. The bacterium population was monitored in King's B medium and the severity rate of R. solani was determined at the 7, 14 and 21 days after sowing using a scale of notes. R. solani was cultivated for inoculation in sand-organic substratum and incorporated at the soil in the 0.5 w/v proportion. The detection of the endophytic or epiphytic forms of the fluorescent Pseudomonas spp. in bean seeds, the antagonism test against Rhizoctonia solani and the generic characterization by the morphological and biochemistry tests were made under laboratory conditions. The extension of the solarization was 35 days, from 11/19/00 to 12/24/00 and from 02/17/00 to 03/23/00. The greatest temperatures were observed in plastic tunnel in both periods. The greatest maximum media temperatures were bigger in the first period than in the second one. The soil solarization and the absence of vegetable mulching decreased the bacteria population at undetected levels in the field and tunnel. The soil solarization in the field and tunnel did not induce soil suppressiveness to R. solani. It was not observed endophytic and epiphytic forms of... (Complete abstract, click electronic address below).
Mestre

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Chakraborty, Prasanta. "Induction of resistance in rice plants against Rhizoctonia solani kuhn for management of sheath blight disease." Thesis, University of North Bengal, 2002. http://hdl.handle.net/123456789/1073.

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Chapman, Margaret Ann. "The interaction of Thielaviopsis basicola (Berk. and Br.) Ferr. and Rhizoctonia solani Kuhn as pathogens of seedling cotton." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185302.

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Soil inoculum density and the incidence of black root rot of cotton caused by Thielaviopsis basicola were monitored in two adjacent fields planted mid-April to Gossypium hirsutum 'Acala 1517' at Duncan, AZ (1160 m elev.). Forty soil cores (3.5 x 15 cm) were taken from the root zone and 80 plants were collected biweekly in the two fields from 5/7/87 to 9/28/87. The inoculum density (cfu/g air-dried soil) was determined by plating soil dilutions onto a selective medium. Disease severity was rated on a scale of 1 (slight cortical decay) to 4 (severe cortical decay). Mean inoculum density in Field 1 soil was 65 cfu/g soil and 20% of the seedlings were infected with a severity rating averaging 1.6. In Field 2 the inoculum density, percentage of infected plants, and disease rating were 225 cfu/g soil, 93, and 3.2, respectively. No cortical decay was noted after June 6 in either field. Yields were similar in both fields. Field and laboratory studies indicate that high disease incidence of black root rot caused by T. basicola results in reduced incidence of seedling disease caused by Rhizoctonia solani. For example, 1 mo after untreated seeds of G. barbadense 'Pima S-6' were planted into a cotton field in Coolidge, AZ with natural inoculum levels of 12 cfu/100 g soil and 225 cfu/g soil of R. solani and T. basicola, respectively, 98% of the plants were infected by T. basicola while only 2% were infected by R. solani. Eleven out of the 12 R. solani propagules were pathogenic to cotton. The same levels of inoculum, were added to autoclaved field soil in growth chambers at 18 C and 5200 lux light in four treatments. The first treatment, T. basicola alone, caused a 98% incidence of black root rot. Rhizoctonia solani alone resulted in a 38% incidence of disease, whereas inoculum of T. basicola and R. solani, together caused a 98% and 17% incidence of disease caused by T. basicola and R. solani, respectively. Simultaneous inoculations of 4-day-old G. hirsutum 'DP 90' seedlings on water agar plates with inoculum of T. basicola and R. solani resulted 5 days later in a significant decrease in infection by R. solani as compared to that in the seedlings inoculated with R. solani only.

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Cooke, Julie A. "Nutritional requirement of wheat in relation to tolerance to Rhizoctonia solani Kühn /." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09APSP/09apspc772.pdf.

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Kantola, Paula Sisko. "Invasion of Rhizoctonia solani Kühn in host populations : scaling from individual to population behaviour." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615880.

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Salman, Mazen N. A. "Action of fluorescent pseudomonads against seedling diseases in cucumber caused by Pythium ultimum (Trow) and Rhizoctonia solani Kühn." Beuren Stuttgart Grauer, 2007. http://d-nb.info/989893111/04.

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Muddyman, Dawn Elizabeth. "The detection of Rhizoctonia solani Kühn in soil, and the effects of biological and chemical control on damping-off disease dynamics." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615119.

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Lin, Pei-Fen, and 林佩芬. "The physiological characterizations and cross protection of transformant from Rhizoctonia solani Kuhn." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/32258183535665700325.

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Li, Jian-Xun, and 李建勳. "Mapping and cloning of linear plasmid DNA in Rhizoctonia solani Kuhn AG-4." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/c3wqfe.

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Книги з теми "Rhizoctonia solani kuhn"

Judson, William W. The effects of crop sequences on populations and strains of Rhizoctonia solani Kuhn. Charlottetown, P.E.I: University of Prince Edward Island, 1991.

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