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Artigos de revistas sobre o tema "Rhizoctonia solani"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Li, Yuting, Siwei Li, Yumeng Zhao, Tao Zhou, Xuehong Wu, and Can Zhao. "Six Novel Mycoviruses Containing Positive Single-Stranded RNA and Double-Stranded RNA Genomes Co-Infect a Single Strain of the Rhizoctonia solani AG-3 PT." Viruses 14, no. 4 (2022): 813. http://dx.doi.org/10.3390/v14040813.

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Six novel mycoviruses that collectively represent the mycovirome of Rhizoctonia solani anastomosis group (AG)-3 PT strain ZJ-2H, which causes potato black scurf, were identified through metatranscriptome sequencing and putatively designated as Rhizoctonia solani fusarivirus 4 [RsFV4, positive single-stranded RNA (+ssRNA)], Rhizoctonia solani fusarivirus 5 (RsFV5, +ssRNA), Rhizoctonia solani mitovirus 40 (RsMV40, +ssRNA), Rhizoctonia solani partitivirus 10 [RsPV10, double-stranded RNA (dsRNA)], Rhizoctonia solani partitivirus 11 (RsPV11, dsRNA), and Rhizoctonia solani RNA virus 11 (RsRV11, dsRN

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2

Silva, Ricardo Ferrari, and Eiko Eurya Kuramae. "Análise do DNA plasmidial de Rhizoctonia spp. associadas com feijoeiro e amendoinzeiro." Acta Scientiarum. Agronomy 24 (April 30, 2008): 1317. http://dx.doi.org/10.4025/actasciagron.v24i0.2287.

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O presente trabalho teve como objetivo isolar plasmídios de Rhizoctonia solani e Rhizoctonia spp. binucleada e verificar sua presença com patogenicidade. Isolados de Rhizoctonia solani AG 4 HGI, obtidos de feijoeiro, e isolados hipovirulentos de Rhizoctonia spp. binucleada, obtidos de feijoeiro e de amendoinzeiro, coletados em diversas regiões produtoras do Estado de São Paulo foram analisados quanto à presença de DNA plasmidial. Foi constatado DNA plasmidial no isolado FJ-39.10, obtido de Rhizoctonia solani em feijoeiro, com tamanho de 2,6 kb. Não foi possível estabelecer correlação entre a p

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3

Kurzawińska, H., and I. Gajda. "Fungi isolated from soil with quicksets of Chamaecyparis lawsoniana and their influence on the growth of Phytophthora cinnamomi and Rhizoctonia solani." Plant Protection Science 38, SI 2 - 6th Conf EFPP 2002 (2017): 631–33. http://dx.doi.org/10.17221/10576-pps.

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Chamaecyparis lawsoniana is often attacked by other pathogens (from genera: Phytophthora, Pythium, Fusarium, Rhizoctonia) both when the quicksets are taken root and later, when the young plants are planted. The aim of the study was to determine an effect of saprobiotic fungi isolated from soil with quicksets Chamaecyparis lawsoniana on the growth of Phytophthora cinnamomi and Rhizoctonia solani. In our experiment, method series biotic was used (MAŃKA 1974). This method allowed to determine index of impendence for plants by Phytophthora cinnamomi and Rhizoctonia solani with the help of summary

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4

Poromarto, Susilo H., Berlin D. Nelson, and Thomas P. Freeman. "Association of Binucleate Rhizoctonia with Soybean and Mechanism of Biocontrol of Rhizoctonia solani." Phytopathology® 88, no. 10 (1998): 1056–67. http://dx.doi.org/10.1094/phyto.1998.88.10.1056.

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The association of binucleate Rhizoctonia (BNR) AG-K with soybean and the interaction of BNR, R. solani AG-4, and soybean seedlings were investigated to elucidate the mechanism of biocontrol of R. solani by BNR. Sixty-hour-old seedlings were inoculated and incubated in a growth chamber at 24°C; plants were examined with light microscopy and with scanning and transmission electron microscopy at various times following inoculation. BNR grew over hypocotyls, roots, and root hairs, but only colonized epidermal cells. Hyphae of BNR appeared to attach to the epidermis and, 5.5 h following inoculatio

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5

K.Gurme, Manisha. "Comparative antifungal Evaluation of Azadirachta indica juss leaf extract against Rhizoctonia solani causing leaf blight of Turmeric." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no. 11 (2023): 1–11. http://dx.doi.org/10.55041/ijsrem27338.

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In the present study the aqueous and methanol leaves extracts of Azadirachta indica using different concentrations from 10 to 40% were tested in Vitro by following poisoned food technique against Rhizoctonia solani causing leaf blight of turmeric. The used concentrations of leaves extract were as 0.0 (control), 10, 20, 30 and 40%. The aqueous Azadirachta indica leaves extract at 30% concentration and methanolic leaves extract at 40% concentration were found to be best in reducing the mycelial growth of Rhizoctonia solani. Keywords: Azadirachta indica, Turmeric. Rhizoctonia solani.

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6

Tuncer, S., and C. Eken. "Anastomosis grouping of Rhizoctonia solani and binucleate Rhizoctonia spp. isolated from pepper in Erzincan, Turkey." Plant Protection Science 49, No. 3 (2013): 127–31. http://dx.doi.org/10.17221/77/2012-pps.

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Ninety eight isolates of Rhizoctonia spp. were obtained from roots of pepper (Capsicum annuum L.) grown in Erzincan, Turkey during the period 2007&ndash;2008. The most prevalent multinucleate anastomosis groups (AG) were AG-4 (85.2%), followed by AG-2 type 1 (7.4%), AG-6 (5.0%), and AG-3 (2.5%). The population of binucleate Rhizoctonia spp. comprised AG-A (82.4%), AG-K (11.8%), and AG-G (5.9%). Rhizoctonia solani AG-3 and AG-6, as well as binucleate Rhizoctonia spp. AG-G and AG-K on pepper (C. annuum) were firstly determined in this study. During both in vitro and in vivo pathogenicity exp

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7

Kumari, Anupam, P. K. Jha, and Anamita Sen. "In vitro Inhibition of Rhizoctonia solani Radial Growth by Native Mycoflora: Implications for Root Rot Disease in Chili." Journal of Advances in Biology & Biotechnology 27, no. 2 (2024): 9–14. http://dx.doi.org/10.9734/jabb/2024/v27i2695.

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In the course of the study, native bioagents isolated from the rhizosphere of the chili crop were used to manage the soil-borne pathogens Rhizoctonia solani. The study was conducted in the laboratory of the Department of Plant Pathology and Nematology, RPCAU, Pusa, Bihar in the year 2020-23. The soil microflora (fungal and bacterial) was isolated from the rhizosphere of Chili and screened in vitro by evaluating their antagonistic potential against Rhizoctonia solani, and resultantly two fungal and two bacterial isolates were found most effective in inhibiting the mycelial growth of the pathoge

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8

Koka, Jahangir Abdullah, Abdul Hamid Wani, Mohd Yaqub Bhat, Tariq Ahmad Wani, and Shazia Parveen. "Antimycotic activity of ethanolic and aqueous leaf extracts of Ajuga bracteosa Wall. ex Benth. (Lamiale: Lamiaceae) and Iris kashmiriana Baker (Asparagales: Iridaceae) against some vegetable rot fungi." Brazilian Journal of Biological Sciences 5, no. 9 (2018): 75–84. http://dx.doi.org/10.21472/bjbs.050908.

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Antifungal activities of different solvent extracts of Ajuga bracteosa Wall. ex Benth. (Lamiale: Lamiaceae) and Iris kashmiriana Baker (Asparagales: Iridaceae) were carried out through agar well diffusion assay at three concentrations (25 uL, 50 uL and 75 uL) against seven rot causing fungi, viz. Penicillium expansum, Aspergillus niger, Mucor plumbeus, Alternaria alternata, Penicillium chrysogenum, Trichothecium roseum and Rhizoctonia solani. All the concentration of plant extracts showed antimycotic activity against tested pathogenic fungi. Antimycotic activity increased with the increased co

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9

Hidayah, Nurul, Kristiana Sri Wijayanti, and Nur Asbani. "Keefektifan Kalsium Polisulfida terhadap Rhizoctonia solani dan Rhizoctonia bataticola secara In Vitro." Buletin Tanaman Tembakau, Serat & Minyak Industri 4, no. 1 (2016): 32. http://dx.doi.org/10.21082/bultas.v4n1.2012.32-36.

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<p>Rhizoctonia solani dan R. bataticola merupakan jamur patogen pada tanaman kapas yang sulit dikendalikan, karena dapat menghasilkan sklerosia sebagai struktur istirahatnya di dalam tanah meskipun tidak ada inang. Perlindungan tanaman sejak awal perlu dilakukan untuk melindungi dari serangan patogen tersebut. Pengguna-an kalsium polisulfida yang merupakan pestisida ramah lingkungan dapat menjadi alternatif untuk mengenda-likan penyakit yang diakibatkan kedua jamur tersebut. Penelitian bertujuan untuk mengidentifikasi kemampuan kalsium polisulfida dalam menghambat pertumbuhan jamur R. so

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10

Singh, Ankit Kumar, Ramji Singh, Prashant Mishra, and Brijesh Kumar. "Assessing the In vitro Antagonistic Effects of Trichoderma and Pseudomonas Bioagents on Rice Sheath Blight Pathogen." Ecology, Environment and Conservation 30, SUPPL (2024): S199—S203. http://dx.doi.org/10.53550/eec.2024.v30i03s.036.

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Sheath blight, caused by the fungus Rhizoctonia solani, is a devastating disease that poses a significant threat to rice production worldwide. In recent years, biocontrol agents such as Trichoderma and Pseudomonas have gained attention for their potential to manage sheath blight while minimizing the environmental impact associated with chemical pesticides. The present investigation assessed the effect of Trichoderma harzianum and Pseudomonas fluorescens on Rhizoctonia solani in vitro after collection and mass multiplication from different locations. The dual culture assay revealed complex inte

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11

Shekhawat, Deependra Singh, R. K. Bagri, A. L. Yadav, Priyanka Bhati, B. Bhagchand Yadav, and Suresh Kumawat. "Studies on Different Host Range of Root Rot (Rhizoctonia solani Kühn) under Pot House." International Journal of Plant & Soil Science 35, no. 22 (2023): 393–97. http://dx.doi.org/10.9734/ijpss/2023/v35i224147.

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The pathogen, Rhizoctonia solani has a wide host range infecting crops. In order to find out the host range of R. solani causing root rot of fenugreek, 13 plant species were selected which are commonly found in fenugreek growing ecosystem. Root rot caused by Rhizoctonia solani has become an important constraint to the growers in Rajasthan. Rhizoctonia solani cause root rot in chick pea, chilli, coriander, fenugreek, cumin, wheat, barley, okra, field pea, tomato, fennel and cabbage but spinach was not infected. Out of these plants maximum disease incidence was observed in paan methi (Trigonella

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12

Al-Hammouri, A., W. Lindemann, S. Sanogo, S. Thomas, and R. Steiner. "Short Communication: Interaction between Rhizoctonia solani and Meloidogyne incognita on chile pepper in soil infested simultaneously with both plant pathogens." Canadian Journal of Plant Science 93, no. 1 (2013): 67–69. http://dx.doi.org/10.4141/cjps2012-037.

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Al-Hammouri, A., Lindemann, W., Sanogo, S., Thomas, S. and Steiner, R. 2013. Short Communication: Interaction between Rhizoctonia solani and Meloidogyne incognita on chile pepper in soil infested simultaneously with both plant pathogens. Can. J. Plant Sci. 93: 67–69. The interaction of Rhizoctonia solani and Meloidogyne incognita was examined on chile. The frequency of recovery of Rhizoctonia, Meloidogyne egg counts, the Meloidogyne reproduction factor, and plant growth parameters were measured at 45, 60, and 75 d after soil infestation. The reproduction rate of M. incognita was not affected b

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13

Wallon, Thérèse, Andréanne Sauvageau, and Hervé Van der Heyden. "Detection and Quantification of Rhizoctonia solani and Rhizoctonia solani AG1-IB Causing the Bottom Rot of Lettuce in Tissues and Soils by Multiplex qPCR." Plants 10, no. 1 (2020): 57. http://dx.doi.org/10.3390/plants10010057.

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In the muck soil region of southwestern Quebec, vegetable growers are threatened by several soilborne diseases, particularly the bottom rot of lettuce caused by the fungus Rhizoctonia solani. The particularly warm temperature of the few last seasons was marked by an increase in disease severity, and the associated yield losses were significant for Quebec lettuce growers. In the absence of registered fungicides and resistant cultivars, the management of Rhizoctonia solani-induced diseases in lettuce is based on good agricultural practices, which require detailed knowledge of the pathogen. In th

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14

Skonieczek, Paweł, and Mirosław Nowakowski. "Występowanie sprawców zgorzeli siewek buraka na stanowiskach z uprawą buraka cukrowego." Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin, no. 267 (March 31, 2013): 145–52. http://dx.doi.org/10.37317/biul-2013-0059.

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Z plantacji buraka cukrowego na terenie województw: kujawsko-pomorskiego, pomorskiego i warmińsko-mazurskiego dostarczono w 2010 roku do IHAR — PIB w Bydgoszczy 11 prób porażonych korzeni buraka cukrowego i gleby celem zbadania występowania grzybów, w tym Rhizoctonia solani. W próbach gleby oceniono zawartość makroskładników pokarmowych, zasolenie i pH. Glebę umieszczono w kuwetach i wysiano w nich nasiona buraka cukrowego. Na porażonych młodych roślinach buraka stwierdzono obecność grzybów z rodzaju: Fusarium, Aphanomyces, Pythium, Rhizoctonia, Verticillium, Cladosporium i Alternaria. Rhizoct

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15

Sykes, Virginia R., Brandon J. Horvath, David S. McCall, et al. "Screening Tall Fescue for Resistance to Rhizoctonia solani and Rhizoctonia zeae Using Digital Image Analysis." Plant Disease 104, no. 2 (2020): 358–62. http://dx.doi.org/10.1094/pdis-05-19-1070-re.

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Brown patch, caused by Rhizoctonia solani, is a destructive disease on tall fescue. Compared with R. solani, Rhizoctonia zeae causes indistinguishable symptoms in the field but varies in geographic distribution. This may contribute to geographic variability observed in the resistance response of improved brown patch–resistant cultivars. This study examined R. solani and R. zeae susceptibility of four cultivars, selected based on brown patch performance in the National Turfgrass Evaluation Program (NTEP), and nine plant introductions (PIs). Twenty genotypes per PI/cultivar were evaluated by usi

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16

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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18

Sun, Aili, Lianjing Zhao, Yang Sun, et al. "Horizontal and Vertical Transmission of a Mycovirus Closely Related to the Partitivirus RhsV717 That Confers Hypovirulence in Rhizoctonia solani." Viruses 15, no. 10 (2023): 2088. http://dx.doi.org/10.3390/v15102088.

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Rhizoctonia solani virus717 (RhsV717) was isolated from the Rhizoctonia solani (R. solani) AG-2 strain Rhs717. This study isolated a virus designated as Rhizoctonia solani partitivirus BS-5 (RsPV-BS5) from the R. solani AG-3 strain BS-5, the causal agent of tobacco target spot disease. The virus was identified as a strain of RhsV717. Transmission electron microscopy (TEM) images showed that RsPV-BS5 had virus particles with a diameter of approximately 40 nm. Importantly, it can be horizontally transmitted through hyphal anastomosis and vertically transmitted via sexual basidiospores. Furthermo

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19

Al-Obaidi, Muhannad Hamid Younis, and Mohammed Sameer Idrees Alsawaf. "Effect of aqueaus and alcoholic of paulownia tomentosa l. Leaves extract on casuarina equisetifola root rot." Journal of Global Innovations in Agricultural Sciences 12, no. 1 (2024): 53–60. http://dx.doi.org/10.22194/jgias/24.1137.

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This study, conducted at the Department of Forestry Sciences in the College of Agriculture and Forestry, University of Mosul, aimed to analyze the seasonal distribution of Casuarina root rot disease. Field surveys across private and public nurseries in Mosul during November 2020, January, March, May, July, and September 2021 facilitated the investigation. The highest disease incidence was recorded in May 2021 at 24%, contrasting with a low of 10% in January 2021. The identification of causal agents revealed the presence of Fusarium solani and Rhizoctonia solani. Notably, Fusarium solani exhibi

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20

AV, Reddy Kumar, N. Kiran Kumar, VB Sanath Kumar, L. Vijaykumar, and SB Yogananda. "Interaction studies on Rhizoctonia solani, sheath blight pathogen and brown plant hopper (Nilaparvata lugens) in rice." Oryza-An International Journal on Rice 62, no. 1 (2025): 59–67. https://doi.org/10.35709/ory.2025.62.1.7.

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The association of sheath blight (Rhizoctonia solani), a widespread fungal disease in rice and the brown planthopper (Nilaparvata lugens), a major rice pest, presents a significant challenge in rice production. Brown planthopper feeding may increase plant susceptibility to sheath blight by weakening plant defenses and facilitating fungal invasion through the wounds they create. The synergistic effects of brown planthopper and sheath blight infestation result in significant yield losses, complicating management strategies. Three sets of interactions were conducted, among the three sets, the hig

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Herr, Leonard J. "Biological control of Rhizoctonia solani by binucleate Rhizoctonia spp. and hypovirulent R. solani agents." Crop Protection 14, no. 3 (1995): 179–86. http://dx.doi.org/10.1016/0261-2194(95)00017-g.

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Muzhinji, N., M. Truter, J. W. Woodhall, and J. E. van der Waals. "Anastomosis Groups and Pathogenicity of Rhizoctonia solani and Binucleate Rhizoctonia from Potato in South Africa." Plant Disease 99, no. 12 (2015): 1790–802. http://dx.doi.org/10.1094/pdis-02-15-0236-re.

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A survey of anastomosis groups (AG) of Rhizoctonia spp. associated with potato diseases was conducted in South Africa. In total, 112 Rhizoctonia solani and 19 binucleate Rhizoctonia (BNR) isolates were recovered from diseased potato plants, characterized for AG and pathogenicity. The AG identity of the isolates was confirmed using phylogenetic analysis of the internal transcribed spacer region of ribosomal DNA. R. solani isolates recovered belonged to AG 3-PT, AG 2-2IIIB, AG 4HG-I, AG 4HG-III, and AG 5, while BNR isolates belonged to AG A and AG R, with frequencies of 74, 6.1, 2.3, 2.3, 0.8, 1

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23

Demirci, E., and S. Kordali. "Rhizoctonia Species and Anastomosis Groups from Corn Kernels in Turkey." Plant Disease 83, no. 9 (1999): 879. http://dx.doi.org/10.1094/pdis.1999.83.9.879c.

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In 1996, 165 samples of corn (Zea mays L.) kernels to be tested for seed-borne fungi were obtained from five provinces throughout the major corn-producing areas in the eastern Black Sea Region of Turkey: Artvin (41 samples), Rize (28 samples), Trabzon (32 samples), Giresun (30 samples), and Ordu (34 samples). A subsample of kernels (≈100 g each) from each sample was surface-disinfected in 3.5% NaOCl for 1 min. Kernels were washed in three changes of sterile water, and 100 kernels per subsample were placed in petri plates (5 kernels per plate) containing potato dextrose agar. After 5 to 7 days

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Taheri, Parissa, and Saeed Tarighi. "Genetic and Virulence Analysis of Rhizoctonia spp. Associated with Sugar Beet Root and Crown Rot in the Northeast Region of Iran." Plant Disease 96, no. 3 (2012): 398–408. http://dx.doi.org/10.1094/pdis-08-11-0661.

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Rhizoctonia spp. are the main causal agents of root and crown rot on sugar beet. In this study, isolates of Rhizoctonia spp. were obtained from diseased sugar beet in Iran over 2 years. Of 68 isolates, 61 were R. solani and 7 were R. cerealis. The anastomosis group (AG) of all isolates was determined on glass slides against the testers. Characterization of intraspecific groups (ISGs) of R. solani isolates revealed that, of 61 isolates, 43 were AG2-2 IIIB and 18 were AG2-2 IV. Amplified fragment length polymorphism (AFLP) analyses were used to investigate genetic structure of Rhizoctonia popula

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Lee, Jung-Han, Jea-Yul Cha, Gil-Han Noh, et al. "Rhizoctonia Blight of Azolla japonica Caused by Rhizoctonia solani." Research in Plant Disease 17, no. 3 (2011): 405–9. http://dx.doi.org/10.5423/rpd.2011.17.3.405.

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Vico, Ivana, Branka Krstic, and Natasa Dukic. "Differentiation of Rhizoctonia spp. Based on their antigenic properties." Journal of Agricultural Sciences, Belgrade 47, no. 2 (2002): 137–47. http://dx.doi.org/10.2298/jas0202137v.

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Antigenic properties and serological relationship was investigated in binucleate and multinucleate Rhizoctonia spp. isolates from strawberries soybean, alfalfa and potato plants from Serbia, from Spain, anastomosis group testers and in strawberry roots inoculated with binucleate Rhizoctonia AG A and AG I. Two polyclonal antisera, unabsorbed and cross absorbed, were used in dot-immunobinding assay for these investigations. Antisera were produced against mycelial antigens of two isolates, which belong to different anastomosis groups (AG) of binucleate Rhizoctonia - AG A and AG I. Both unabsorbed

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Nurhayati, Yeyet, Suryanti Suryanti, and Arif Wibowo. "In Vitro Evaluation of Trichoderma asperellum Isolate UGM-LHAF against Rhizoctonia solani Causing Sheath Blight Disease of Rice." Jurnal Perlindungan Tanaman Indonesia 25, no. 1 (2021): 64. http://dx.doi.org/10.22146/jpti.65290.

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Trichoderma spp. is a fungus widely used to control soil-borne pathogens, such as Rhizoctonia solani which is plant pathogenic fungi in widely host range, especially on rice. This research aimed to evaluate the ability of Trichoderma asperellum isolate UGM-LHAF against R. solani causing sheath blight disease of rice in vitro condition. Trichoderma sp. used in this research was obtained from The Biological Laboratory of Pakem, Yogyakarta, Indonesia, and Rhizoctonia sp. was obtained through isolation of diseased rice obtained from rice fields in Yogyakarta. The two isolates were characterized ba

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Nigam, Rashmi, and Joginder Singh. "RESPONSE OF PH ON INDEGENOUS BIOCONTROL ACTIVITY OF FUNGAL AND BACTERIAL BIOLOGICAL AGENTS AGAINST RHIZOCTONIA SOLANI." JOURNAL OF ECO-FRIENDLY AGRICULTURE 18, no. 2 (2023): 365–69. http://dx.doi.org/10.48165/jefa.2023.18.02.27.

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Root rot incited by Rhizoctonia solani is one the major diseases of pea. As there are no long term management strategies for this soil borne pathogens therefore, the study was carried out to determine the effect of pH on the antagonistic activity of fungal and bacterial isolates (Th3 and Th5 (Trichoderma harzianum), An1 (Aspergillus niger), Po3 (Penicillium oxalicum) and PS1, PS2 and PS5 (Flourescent Pseudomonas) against Rhizoctonia solani at four different pH levels (5.0, 6.0, 7.0 and 8.0). All the seven indigenous fungal and bacterial isolates evaluated for their antagonistic potential again

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Prabhu, Anne Sitarama, Marta Cristina Filippi, Gisele Barata da Silva, and Gil Rodrigo de Santos. "Resistência de cultivares de arroz a Rhizoctonia solani e Rhizoctonia oryzae." Pesquisa Agropecuária Brasileira 37, no. 5 (2002): 589–95. http://dx.doi.org/10.1590/s0100-204x2002000500003.

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Isolados de Rhizoctonia solani e Rhizoctonia oryzae, agentes causais da queima-da-bainha e mancha-da-bainha, respectivamente, foram coletados em lavouras de arroz irrigado no Estado do Tocantins. O objetivo deste trabalho foi avaliar a resistência de 12 cultivares de arroz a essas doenças, sob condições artificiais de inoculação, em casa de vegetação. Não houve correlação entre resistência das cultivares a R. oryzae e R. solani quanto ao comprimento da lesão na bainha infectada pelo método de palito de dentes. A relação entre tamanho da lesão na bainha e folha foi linear e significativamente n

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Ohkura, Mana, George S. Abawi, Christine D. Smart, and Kathie T. Hodge. "Diversity and Aggressiveness of Rhizoctonia solani and Rhizoctonia-like Fungi on Vegetables in New York." Plant Disease 93, no. 6 (2009): 615–24. http://dx.doi.org/10.1094/pdis-93-6-0615.

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Vegetable growers in New York, especially those growing table beets, have recently observed that the corn rotation is no longer effective in suppressing diseases caused by Rhizoctonia solani and Rhizoctonia-like fungi. To investigate this problem, 68 isolates of Rhizoctonia solani and Rhizoctonia-like fungi infecting vegetables in New York were isolated, characterized, and their pathogenicity on corn determined. Sequence analysis of the rDNA internal transcribed spacer region inferred 26 isolates to belong to R. solani anastomosis group (AG) 2-2 and 19 isolates to belong to AG 4. Remaining iso

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Bradley, C. A., G. L. Hartman, R. L. Nelson, D. S. Mueller, and W. L. Pederson. "Response of Ancestral Soybean Lines and Commercial Cultivars to Rhizoctonia Root and Hypocotyl Rot." Plant Disease 85, no. 10 (2001): 1091–95. http://dx.doi.org/10.1094/pdis.2001.85.10.1091.

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Rhizoctonia root and hypocotyl rot is a common disease of soybean caused by Rhizoctonia solani. There are no commercial cultivars marketed as resistant to Rhizoctonia root and hypocotyl rot, and only a few sources of partial resistance to this disease have been reported. Ninety ancestral soybean lines, maturity groups (MGs) 000 to X, and 700 commercial cultivars, MGs II to IV, were evaluated for resistance to R. solani under greenhouse conditions. Most of the ancestral lines and cultivars evaluated were susceptible; however, 21 of the ancestral lines and 20 of the commercial cultivars were par

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Ajayi-Oyetunde, Olutoyosi O., and Carl A. Bradley. "Identification and Characterization of Rhizoctonia Species Associated with Soybean Seedling Disease." Plant Disease 101, no. 4 (2017): 520–33. http://dx.doi.org/10.1094/pdis-06-16-0810-re.

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In an effort to identify the Rhizoctonia spp. associated with seedling diseases of soybean, Rhizoctonia isolates were recovered from soybean seedlings with damping off and root and hypocotyl rot symptoms from Arkansas, Illinois, Kansas, Michigan, Minnesota, and the Canadian province of Ontario between 2012 and 2014. Based on cultural morphology, polymerase chain reaction restriction fragment length polymorphism, and phylogenetic analysis of the internal transcribed spacer (ITS) region of the ribosomal RNA genes, 80 isolates were confirmed to be Rhizoctonia solani, 24 were binucleate Rhizoctoni

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Tomaso-Peterson, M., and L. E. Trevathan. "Characterization of Rhizoctonia-Like Fungi Isolated from Agronomic Crops and Turfgrasses in Mississippi." Plant Disease 91, no. 3 (2007): 260–65. http://dx.doi.org/10.1094/pdis-91-3-0260.

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Twenty-three isolates of Rhizoctonia spp. from agronomic crops and turfgrasses were characterized by cytological and pathological methods in order to establish the identity, pathogenicity, and virulence of Rhizoctonia spp. and anastomosis groups that occur on these hosts in Mississippi. Twelve isolates were identified as R. solani, including the five anastomosis groups (AGs) AG-1-IB, AG-2-2, AG-4, AG-5, and AG-13. Rhizoctonia zeae, R. oryzae, and eight binucleate Rhizoctonia sp., including R. cerealis, also were identified. R. solani AG-4 isolates were consistently the most virulent isolates o

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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 li

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Fayyadh, Mohamad Amer, and Lina Awad. "Evaluation Efficiency of Different Isolate of Actinomycetes for Control of Cucumber Seedling Damping-off Disease Caused by Rhizoctonia solani (Khun)." Arab Journal of Plant Protection 39, no. 4 (2021): 281–88. http://dx.doi.org/10.22268/ajpp-39.4.281288.

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Fayyadh, M.A. and L.K. Awad. 2021. Evaluation Efficiency of Different Isolate of Actinomycetes for Control of Cucumber Seedling Damping-off Disease Caused by Rhizoctonia solani (Khun). Arab Journal of Plant Protection, 39(4): 281-288. https://doi.org/10.22268/AJPP-39.4.281288 This study was conducted in Plant Protection Department, College of Agriculture, University of Basrah during the period 2017-2018 aimed to isolate and identify Actinomycetes from different environmental sources and evaluate their efficiency to control cucumber damping off disease caused by Rhizoctonia solani. 28 isolates

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Taheri, Parissa, Sam Gnanamanickam, and Monica Höfte. "Characterization, Genetic Structure, and Pathogenicity of Rhizoctonia spp. Associated with Rice Sheath Diseases in India." Phytopathology® 97, no. 3 (2007): 373–83. http://dx.doi.org/10.1094/phyto-97-3-0373.

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Isolates of Rhizoctonia spp. were obtained from rice in India during 2000-2003. Characterization by conventional techniques and polymerase chain reaction showed that from 110 isolates, 99 were R. solani and 11 were R. oryzae-sativae. Of 99 isolates identified as R. solani, 96 were AG1-IA, 1 was AG1-IB, and 2 were AG1-IC. Amplified fragment length polymorphism (AFLP) analyzes were used to determine genetic relationships in Rhizoctonia pathogen populations collected from different geographic regions. Cluster analysis based on the AFLP data separated isolates belonging to the three different intr

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SILVEIRA, SILVALDO F., and ACELINO C. ALFENAS. "Análise de proteínas e isoenzimas de isolados de Rhizoctonia spp. patogênicos a Eucalyptus." Fitopatologia Brasileira 27, no. 1 (2002): 33–41. http://dx.doi.org/10.1590/s0100-41582002000100005.

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Objetivou-se caracterizar isolados de Rhizoctonia solani AG1 e AG4 e isolados binucleados de Rhizoctonia spp. patogênicos a Eucalyptus, por meio de eletroforese de proteínas, em gel de poliacrilamida, e de isoenzimas (ACP, 6-PGDH, LAP, SOD, MDH e IDH), em gel de amido. Para comparação, incluíram-se alguns isolados brasileiros de outros hospedeiros e isolados-padrões de R. solani AG1, procedentes do Japão. Observaram-se diferenças nos padrões gerais de proteínas e nos fenótipos isoenzimáticos entre isolados binucleados e multinucleados e entre isolados de diferentes grupos e subgrupos de anasto

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Halifu, Saiyaremu, Xun Deng, Xiaoshuang Song, Ruiqing Song, and Xu Liang. "Inhibitory Mechanism of Trichoderma virens ZT05 on Rhizoctonia solani." Plants 9, no. 7 (2020): 912. http://dx.doi.org/10.3390/plants9070912.

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Trichoderma is a filamentous fungus that is widely distributed in nature. As a biological control agent of agricultural pests, Trichoderma species have been widely studied in recent years. This study aimed to understand the inhibitory mechanism of Trichoderma virens ZT05 on Rhizoctonia solani through the side-by-side culture of T. virens ZT05 and R. solani. To this end, we investigated the effect of volatile and nonvolatile metabolites of T. virens ZT05 on the mycelium growth and enzyme activity of R. solani and analyzed transcriptome data collected from side-by-side culture. T. virens ZT05 ha

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Melo, Itamar Soares de, and Jane L. Faull. "Parasitism of Rhizoctonia solani by strains of Trichoderma spp." Scientia Agricola 57, no. 1 (2000): 55–59. http://dx.doi.org/10.1590/s0103-90162000000100010.

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Rhizoctonia solani causes serious diseases in a wide range of plant species. The fungus Trichoderma has been shown to be particularly effective in the control of the pathogen. Thus, this research was carried out to screen fourteen Trichoderma strains against R. solani in vitro. All strains tested inhibited the growth of R. solani. Three T. koningii strains produced toxic metabolites with strong activity against R. solani, inhibiting the mycelial growth by 79%. T. harzianum, Th-9 reduced the viability of sclerotia of R. solani by 81.8% and T. koningii, TK-5 reduced by 53%. Electron microscopic

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Vojvodic, Mira, Dejan Lazic, Petar Mitrovic, Brankica Tanovic, Ivana Vico, and Aleksandra Bulajic. "Conventional and real-time pcr assays for detection and identification of rhizoctonia solani AG-2-2, the causal agent of root rot of sugar beet." Pesticidi i fitomedicina 34, no. 1 (2019): 19–29. http://dx.doi.org/10.2298/pif1901019v.

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Soil-borne fungi belonging to the genus Rhizoctonia are considered to be among the most destructive sugar beet pathogens. Although multinucleate R. solani AG-2-2 is frequently detected as the main causal agent of root rot of sugar beet worldwide, several binucleate (AG-A, AG-E and AG-K) and multinucleate Rhizoctonia (R. solani AG-4, AG-5 and AG-8) have also been included in the disease complex. Due to their soil-borne nature and wide host range, the management of Rhizoctonia root rot of sugar beet is highly demanding. Identification of Rhizoctonia AG associated with root rot of sugar beet is t

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Garrido Flores, Cynthia, Carolina Cedano Saavedra, Martín Delgado Junchaya, and Zinthia Neira Sánchez. "Actividad micoparasítica de nueve aislamientos de diferentes cepas de Trichoderma sp. sobre Rhizoctonia solani en frejol Caupí (Vigna unguiculata L.)." TAYACAJA 4, no. 2 (2021): 59–65. http://dx.doi.org/10.46908/tayacaja.v4i2.172.

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Rhizoctonia solani, fitopatógeno causante de “chupadera fungosa”, afecta todas las plantas que se propagan por semilla botánica en las fases de germinación y plántula. El objetivo fue evaluar la actividad micoparasítica de nueve aislamientos de diferentes cepas de Trichoderma sobre la Rhizoctonia solani, utilizando frejol Caupí (Vigna unguiculata L). Los aislamientos fueron T20, T17, T9, T10, TSV2, TSV, T10’ de Trichoderma asperellum; T5 de Trichoderma viride y T327 de Trichoderma harzianum. Se consideró un tratamiento solo con Rhizoctonia solani, como testigo de virulencia y un tratamiento so

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Okubara, P. A., K. L. Schroeder, and T. C. Paulitz. "Identification and Quantification of Rhizoctonia solani and R. oryzae Using Real-Time Polymerase Chain Reaction." Phytopathology® 98, no. 7 (2008): 837–47. http://dx.doi.org/10.1094/phyto-98-7-0837.

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Rhizoctonia solani and R. oryzae are the principal causal agents of Rhizoctonia root rot in dryland cereal production systems of the Pacific Northwest. To facilitate the identification and quantification of these pathogens in agricultural samples, we developed SYBR Green I-based real-time quantitative-polymerase chain reaction (Q-PCR) assays specific to internal transcribed spacers ITS1 and ITS2 of the nuclear ribosomal DNA of R. solani and R. oryzae. The assays were diagnostic for R. solani AG-2-1, AG-8, and AG-10, three genotypes of R. oryzae, and an AG-I-like binucleate Rhizoctonia species.

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Mazzola, Mark. "Identification and Pathogenicity of Rhizoctonia spp. Isolated from Apple Roots and Orchard Soils." Phytopathology® 87, no. 6 (1997): 582–87. http://dx.doi.org/10.1094/phyto.1997.87.6.582.

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Rhizoctonia spp. were isolated from the roots of apple trees and associated soil collected in orchards located near Moxee, Quincy, East Wenatchee, and Wenatchee, WA. The anastomosis groups (AGs) of Rhizoctonia spp. isolated from apple were determined by hyphal anastomosis with tester strains on 2% water agar and, where warranted, sequence analysis of the rDNA internal transcribed spacer region and restriction analysis of an amplified fragment from the 28S ribosomal RNA gene were used to corroborate these identifications. The dominant AG of R. solani isolated from the Moxee and East Wenatchee o

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Jevcsák, I., Bálint Oldal, and L. Ködöböcz. "Testing Methods Affecting the Antagonistic Ability of Pseudomonas Biocontrol Strains." Agrokémia és Talajtan 51, no. 1-2 (2002): 107–14. http://dx.doi.org/10.1556/agrokem.51.2002.1-2.13.

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The antagonistic effect of thirteen Pseudomonas aeruginosa and thirteen strains of other Pseudomonas species was studied on the soil-borne phytopathogenic Rhizoctonia solani and Fusarium solani fungi. The inhibition of pathogen colony growth was tested with two different in vitro techniques using the same type of culture media. In case of the spread slant technique the antagonists induced a significantly stronger inhibition on the growth of pathogens than in case of spot transfer. Among the 26 investigated Pseudomonas strains, P. aeruginosa strains were generally more effective against the fun

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Ramos-Molina, Lina Maria, Edisson Chavarro-Mesa, Danilo Augusto dos Santos Pereira, María del Rosario Silva-Herrera, and Paulo Cezar Ceresini. "Rhizoctonia solani AG-1 IA infects both rice and signalgrass in the Colombian Llanos." Pesquisa Agropecuária Tropical 46, no. 1 (2016): 65–71. http://dx.doi.org/10.1590/1983-40632016v4638696.

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ABSTRACT Foliar blight and death of signalgrass (Urochloa spp.) pastures are caused by the Rhizoctonia solani fungus. This study aimed at determining which pathogens from the Rhizoctonia species complex are associated with leaf and sheath blight in Urochloa and rice, in the Colombian Llanos. Sympatric areas of Urochloa pastures adjacent to rice cropping areas were sampled using a linear transect system. The pathogens were identified using morphological traits, molecular detection based on specific primers and sequencing of the ITS-5.8S rDNA region. R. solani AG-1 IA predominated as the pathoge

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Muhibuddin, Anton, Syauqina Salsabila, and Antok Wahyu Sektiono. "KEMAMPUAN ANTAGONIS Tricoderma harzianum TERHADAP BEBERAPA JAMUR PATOGEN PENYAKIT TANAMAN." AGROSAINTIFIKA 4, no. 1 (2021): 225–33. http://dx.doi.org/10.32764/agrosaintifika.v4i1.2371.

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Diseases that often attack plants are diseases caused by fungal pathogens causing stress such as fusarium wilt disease caused by Fusarium oxysporum, Alternaria solani, Rhizoctonia solani and Sclerotium rolfsii. One alternative to reduce these pathogens is Trichoderma harzianum. This study aims to determine the potential antibiosis antagonist characteristics of the fungus Trichoderma harzianum against several disease-causing pathogens in plants and the class of compounds contained therein.The method used in this research is experimental and descriptive. Experimental research was conducted by te

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Shu, Jiantao, Mingkun Yang, Cheng Zhang, Pingfang Yang, Feng Ge, and Ming Li. "Improving the Genome Annotation of Rhizoctonia solani Using Proteogenomics." Current Genomics 22, no. 5 (2021): 373–83. http://dx.doi.org/10.2174/1389202922666211011143957.

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Background: Rhizoctonia solani is a pathogenic fungus that causes serious diseases in many crops, including rice, wheat, and soybeans. In crop production, it is very important to understand the pathogenicity of this fungus, which is still elusive. It might be helpful to comprehensively understand its genomic information using different genome annotation strategies. Methods: Aiming to improve the genome annotation of R. solani, we performed a proteogenomic study based on the existing data. Based on our study, a total of 1060 newly identified genes, 36 revised genes, 139 single amino acid varian

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K, Kipsumbai P., Hunjan M. S, and Sekhon P. S. "Morpho-Cultural, Pathological and Genetic Variability in Rhizoctonia solani Isolates Infecting Crops in Rice Based Cropping Pattern of Punjab State; India." Saudi Journal of Pathology and Microbiology 7, no. 11 (2022): 401–15. http://dx.doi.org/10.36348/sjpm.2022.v07i11.003.

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Rhizoctonia spp. which was earlier considered a minor disease causing pathogen under Punjab conditions now is a major threat to crops grown in Punjab. The present study investigated the morphological and cultural variations in Rhizoctonia population, pathogenic behaviour and extent of genetic differentiation between infecting populations of R. solani from different hosts. By species specific primers, Rhizoctonia species in Punjab were identified as R. solani (87.8 %), R. oryzae (11.1%) and R. oryzae-sativae (1.1 %). Morphological characterization of Rhizoctonia spp. based on the growth rate, c

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Tanaka, Maria Aparecida de Souza, Margarida Fumiko Ito, and Francisco Antonio Passos. "Patogenicidade de Rhizoctonia solani em morangueiro." Bragantia 54, no. 2 (1995): 319–24. http://dx.doi.org/10.1590/s0006-87051995000200010.

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O fungo Rhizoctonia solani Kuhen tem sido isolado com maior freqüência de mudas e plantas adultas de morangueiro com sintomas de subdesenvolvimento, declínio progressivo, avermelhamento ou arroxeamento dos folíolos, pecíolos e estolhos, além do apodrecimento do ápice da coroa, estipulas e base dos pecíolos. As plantas doentes apresentavam, com freqüência, raízes escuras ou com áreas necrosadas. Fusarium spp. e Pythium spp. também estavam, reiteradamente, associados às plantas doentes. Para determinar a causa dos sintomas descritos e verificar, isoladamente ou em mistura, possível interação ent

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A.Al-Fathedhal, Fadhal, and Duaa A.Al-Khafaji. "Bioactivity of Bacteria Bacillus subtilis and Pseudomonas fluorescens against Rhizoctonia solani and Fusarium solani, which causes seed rot, seedling on cucumber in greenhouses." Al-Kufa University Journal for Biology 10, no. 3 (2018): 146–63. http://dx.doi.org/10.36320/ajb/v10.i3.8107.

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The research contracts with the study of the antagonistic effect of microbe against cucumber disease caused by Rhizoctonia solani and Fusarium solani. --Bacillus subtilis and Pseudomonas fluorescens were isolated from cucumber field soil. Some of the fungi diagnosing that cause the death of cucumber seeds in the greenhouse in Najaf Governorate. The results showed identification of R. solani and F. solani was carried out using the PCR technique,with forefronts and back-fronts primers in a range of about 600 pairs to a nitrogen base (Base paris,bp). The analysis showed a new isolation of Rhizoct

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