Potencial antifúngico de Citrus sinensis y Citrus nobilis sobre el crecimiento de Rhizopus stolonifer y Colletotrichum gloeosporioides en papaya

En este estudio se evalúo el efecto antifúngico de los aceites esenciales de hojas y pericarpio de Citrus sinensis (Naranja) y Citrus nobilis (Mandarina) sobre el crecimiento de los hongos Rhizopus stolonifer y Colletotrichum gloeosporioides aislados de papaya Maradol. Se aplicó un análisis estadístico con un arreglo factorial de bloques A(2)xB(2)xC(3) con 2 repeticiones considerando como Factor A: Aceites esenciales (Citrus sinensis y Citrus nobilis), Factor B: Origen de los aceites esenciales (hojas y pericarpio), Factor C: Concentraciones (1%, 2% y 4%); se evaluó durante siete días el crecimiento radial de los hongos y posteriormente se realizó el conteo de esporas en la cámara de Neubauer. Para el análisis de datos se empleó el paquete estadístico StatGraphics; para la separación de medias de los niveles de los tratamientos se realizó la prueba de significación Tukey (p

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Potencial antifúngico de Citrus sinensis y Citrus nobilis sobre el crecimiento de Rhizopus stolonifer y Colletotrichum gloeosporioides en papaya

Ciencia y Tecnología ◽

10.18779/cyt.v10i1.219 ◽

2017 ◽

Vol 10 (1) ◽

pp. 41

Author(s):

Flor Jajaira Narváez Baque ◽

Sonia Barzola Miranda ◽

Flor Marina Fon-Fay Vásquez ◽

Malena Jacqueline Martínez Chávez ◽

Juan Alejandro Neira Mosquera ◽

...

Keyword(s):

Citrus Sinensis ◽

Colletotrichum Gloeosporioides ◽

Rhizopus Stolonifer ◽

Factor B ◽

Factor C

En este estudio se evalúo el efecto antifúngico de los aceites esenciales de hojas y pericarpio de Citrus sinensis (Naranja) y Citrus nobilis (Mandarina) sobre el crecimiento de los hongos Rhizopus stolonifer y Colletotrichum gloeosporioides aislados de papaya Maradol. Se aplicó un análisis estadístico con un arreglo factorial de bloques A(2)xB(2)xC(3) con 2 repeticiones considerando como Factor A: Aceites esenciales (Citrus sinensis y Citrus nobilis), Factor B: Origen de los aceites esenciales (hojas y pericarpio), Factor C: Concentraciones (1%, 2% y 4%); se evaluó durante siete días el crecimiento radial de los hongos y posteriormente se realizó el conteo de esporas en la cámara de Neubauer. Para el análisis de datos se empleó el paquete estadístico StatGraphics; para la separación de medias de los niveles de los tratamientos se realizó la prueba de significación Tukey (p

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Integrated management of tough lovegrass (Eragrostis plana Nees): associating chemical control tools and plant physiology

Ciência Rural ◽

10.1590/0103-8478cr20200271 ◽

2021 ◽

Vol 51 (2) ◽

Author(s):

Eduardo Avelino Faleiro ◽

Diego Martins Chiapinotto ◽

Fabiane Pinto Lamego ◽

Carlos Eduardo Schaedler ◽

Eduardo Bohrer de Azevedo

Keyword(s):

Solar Radiation ◽

Integrated Management ◽

Dry Mass ◽

Radiation Factor ◽

Factor B ◽

Randomized Design ◽

Completely Randomized Design ◽

Factor C ◽

Resource Conditions ◽

And Control

ABSTRACT: The objective of the study was to evaluate the efficiency of herbicides use in the control of tough lovegrass according to the availability of solar radiation and the presence or absence of flooded. Two experiments were conducted in a completely randomized design, in a 2x2x4 and 2x2x5 factorial scheme, where factor A was equivalent to the environment (natural or reduced radiation); factor B to water condition (with a 2 cm flooded or without); and, factor C the herbicides: cyhalofop butyl (315 g ha-1), glyphosate (1080 g ha-1), cyhalofop butyl + glyphosate (315 g ha-1 + 1080 g ha-1) and control (without application) in the first experiment. In the second experiment, the herbicides used were cyhalofop butyl (315 g ha-1), glyphosate (1080 g ha-1), sethoxydim (184g ha-1), imazethapyr (106 g ha-1) and control (without application). Glyphosate efficiently controls plants of tough lovegrass with four tillers (>90%), being superior to cyhalofop, imazethapyr and sethoxydim; independently, of resource conditions. Reduction in the availability of solar radiation generates less shoot dry mass production from the weed, and improves the control only by imazethapyr and cyhalofop. In general, a flooded condition does not affect tough lovegrass control by herbicides.

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Use of inductors in the control of Colletotrichum gloeosporioides and Rhizopus stolonifer isolated from soursop fruits: in vitro tests

Food Science and Biotechnology ◽

10.1007/s10068-018-0305-5 ◽

2018 ◽

Vol 27 (3) ◽

pp. 755-763 ◽

Cited By ~ 3

Author(s):

Anelsy Ramos-Guerrero ◽

Ramsés Ramón González-Estrada ◽

Greta Hanako-Rosas ◽

Silvia Bautista-Baños ◽

Gustavo Acevedo-Hernández ◽

...

Keyword(s):

Colletotrichum Gloeosporioides ◽

In Vitro Tests ◽

Rhizopus Stolonifer

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Production and characterization of biomass and exopolysaccharides obtained in submerged culture under different initial pHs used in the cultivation of Colletotrichum gloeosporioides and Rhizopus stolonifer

Emirates Journal of Food and Agriculture ◽

10.9755/ejfa.2020.v32.i8.2139 ◽

2020 ◽

pp. 628

Author(s):

Juan Diego Valenzuela Cobos ◽

René Oscar Rodríguez-Grimón ◽

Ana Grijalva-Endara ◽

Raúl Marcillo-Vallejo ◽

Onay Adonys Mercader-Camejo

Keyword(s):

Yeast Extract ◽

Submerged Culture ◽

Liquid Culture ◽

Colletotrichum Gloeosporioides ◽

Culture Media ◽

Mycelial Biomass ◽

Rhizopus Stolonifer

Colletotrichum gloeosporioides (GC003) and Rhizopus stolonifer (RS001) were cultivated in two different liquid culture media: LC1 (glucose 40 g L-1, yeast extract 3 g L-1 and tryptone peptone 2 g L-1) and LC2 (glucose 40 g L-1, yeast extract 3 g L-1 and tryptone peptone 10 g L-1) for the production of mycelial biomass and exopolysaccharides (EPS). By using the liquid culture (LC2) under pH of 4.5 presented the highest biomass content (15.73 g L-1) in the propagation of Rhizopus stolonifer. The highest production of exopolysaccharides (1.74 g L-1) was obtained by the liquid culture (LC2) under pH of 4.5 in the cultivation of Colletotrichum gloeosporioides. The results presented that the production of biomass and exopolysaccharides (EPS) is directly related with the pHs values and the strain used in the cultivation.

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Principais doenças de Anonáceas no Brasil: descrição e controle

Revista Brasileira de Fruticultura ◽

10.1590/s0100-29452014000500006 ◽

2014 ◽

Vol 36 (spe1) ◽

pp. 55-64 ◽

Cited By ~ 6

Author(s):

Nilton Tadeu Vilela Junqueira ◽

Keize Pereira Junqueira

Keyword(s):

Rhizoctonia Solani ◽

Colletotrichum Gloeosporioides ◽

Phytophthora Nicotianae ◽

Rhizopus Stolonifer ◽

Botryodiplodia Theobromae ◽

Lasiodiplodia Theobromae

Várias doenças podem afetar folhas, caules, flores e frutos de gravioleira, pinheira e atemoia em diferentes estádios de seus desenvolvimentos. Geralmente, as doenças mais importantes são causadas por fungos durante o florescimento e a frutificação. Também podem ocorrer murchas ou podridões de raízes, causadas por nematoides e patógenos do solo. A antracnose (Colletotrichum gloeosporioides), murcha ou podridões de raízes (Rhizoctonia solani, Cylindrocladium clavatum, Phytophthora sp., Pythium sp., Phytophthora nicotianae var. parasitica, cancros (Albonectria rigidiuscula) e podridão de frutos (Botryodiplodia theobromae, sin. Lasiodiplodia theobromae) são as mais importantes. Por outro lado, a podridão-parda-do-fruto (Rhizopus stolonifer) provoca perdas expressivas na produção de graviola. A seguir, são descritas as principais doenças que afetam estas espécies de anonáceas, seus agentes causais e as medidas de controle.

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Regularities of beet root crop yield formation based on retrospective data

E3S Web of Conferences ◽

10.1051/e3sconf/202021710007 ◽

2020 ◽

Vol 217 ◽

pp. 10007

Author(s):

Elena Melikhova

Keyword(s):

Drip Irrigation ◽

Vegetation Period ◽

Field Studies ◽

Factor B ◽

Beet Root ◽

Root Crops ◽

Joint Influence ◽

Additional Equipment ◽

Factor C ◽

The Impact

The article presents a statistical model of the impact of agromeliorative factors, including methods and modes of irrigation on the productivity of beet root crops in the combination of drip irrigation and fine sprinkling (MAV). The experiments were carried out according to a three – factor scheme providing for the regulation of the phytoclimate (factor A): A1 - drip irrigation; A2-drip irrigation together with the management of the phytoclimate by MAV. Hydrothermal regulation of the phytoclimate was carried out using additional equipment with an interval of 1 hour during the entire vegetation period, provided that the air temperature was higher than the biologically optimal 26°C. the parameters of controlling the lowest humidity of HB (factor B) were taken: B1 – 70 %; B2 – 80 %. On the basis of the dispersion statistical analysis of the results of field studies, the following statistically significant shares of their participation in the formation of the crop were established: factor A – 23%, factor B – 29%, factor C – 44%. The revealed joint influence of factors A and C on the variability of the crop of root crops, the share of which was two percent, exceeds the value of the influence of other pair interactions.

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Sorption of Zinc by exopolysaccharides produced by liquid media of phytopatogenic fungi

ROMANIAN BIOTECHNOLOGICAL LETTERS ◽

10.25083/rbl/26.1/2312.2317 ◽

2021 ◽

Vol 26 (1) ◽

pp. 2312-2317

Author(s):

JUAN DIEGO VALENZUELA-COBOS ◽

ANA GRIJALVA-ENDARA

Keyword(s):

Yeast Extract ◽

Liquid Culture ◽

Culture Medium ◽

Colletotrichum Gloeosporioides ◽

Culture Media ◽

Phytopathogenic Fungi ◽

Mycelial Biomass ◽

Rhizopus Stolonifer ◽

Liquid Media ◽

Liquid Culture Medium

Phytopathogenic fungi such as: Colletotrichum gloeosporioides and Rhizopus stolonifer were cultivated in three different liquid culture media: LCC (glucose 40 g L-1 , yeast extract 3 g L-1 ), LC2 (glucose 40 g L-1 , yeast extract 3 g L-1 and tryptone peptone 2 g L-1 ) and LC3 (glucose 40 g L-1 , yeast extract 3 g L-1 and tryptone peptone 10 g L-1 ) under pH of 5.5 for the production of mycelial biomass and exopolysaccharides (EPS). The liquid culture medium (LC3) used in cultivation of Colletotrichum gloeosporioides showed the highest production of biomass (15.40 g L-1 ) and exopolysaccharides (3.40 g L-1 ). Exopolysaccharides (EPS) obtained from the liquid culture medium (LC3) of Colletotrichum gloeosporioides presented the highest absorption content of Zinc (56 mg g-1 ). The results presented that the exopolysaccharides (EPS) produced by Colletotrichum gloeosporioides showed the greatest biosorbent capacity of Zinc (Zn) using the culture medium with the highest amount of tryptone peptone.

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Influencia de la inulina en el contenido graso del queso mozzarella fresco y aromatizado

Revista InGenio ◽

10.18779/ingenio.v3i1.32 ◽

2020 ◽

Vol 3 (1) ◽

Author(s):

Katherine Tomasa Mackencie Tobar ◽

Raquel Marianela Moreno Peñafiel ◽

Azucena Elizabeth Bernal Gutiérrez

Keyword(s):

Rosmarinus Officinalis ◽

Origanum Vulgare ◽

Factor B ◽

Factor C

La inulina se emplea principalmente para reemplazar la grasa y reducir su contenido calórico, al adicionarla con bacterias probióticos al queso, este se transforma en un alimento simbiótico. El objetivo de este estudio fue evaluar la influencia de la inulina y tratamiento térmico en el queso de pasta hilada tipo mozzarella fresco aromatizado con Origanum vulgare (orégano) y Rosmarinus officinalis (romero) mediante la apreciación de las características fisicoquímicas y la evaluación sensorial del producto final. Para denotar el efecto se utilizó un diseño completamente al azar (DCA) con arreglo factorial de A x B x C, donde el factor A: tres porcentajes de inulina (0%, 1% y 2%), el factor B: dos tipos de aromatizantes (orégano y romero) y el factor C: Acondicionamiento de la materia prima (pasteurizada y no pasteurizada), con dos repeticiones, lo que corresponde a 24 unidades experimentales. Se analizaron los datos con análisis de varianza (ANOVA) y las medias con la prueba de tukey al 5%. Mediante el programa estadístico StatGraphics e Infostat. La caracterización sensorial se realizó mediante un análisis descriptivo y perfil textural con un panel de catadores semi-entrenados. La inulina influyó significativamente en el pH, humedad, grasa, proteína y rendimiento, destacándose la concentración del 1% de inulina, aromatizado con orégano y elaborado a partir de leche no pasteurizada en cuanto a elección por los catadores y las características fisicoquímicas fue el tratamiento 1% de inulina con orégano, elaborado a partir de leche pasteurizada.

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