Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan

Phytophthora genus has been a group whose isolation and conservation is laborious. For this reason, several culture medium have been developed for their study. This paper proposes the tobacco-agar medium as alternative for the growth and development of P. nicotianae. In this work the strains Pp1 and...

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Main Authors: Vaillant Flores, Daymara I., González García, Marleny, Ramírez Ochoa, Rebeca
Format: Online
Language:Spanish
Published: Facultad de Ciencias Exactas, Químicas y Naturales 2013
Subjects:
Online Access:https://www.fceqyn.unam.edu.ar/recyt/index.php/recyt/article/view/429
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author Vaillant Flores, Daymara I.
González García, Marleny
Ramírez Ochoa, Rebeca
author_facet Vaillant Flores, Daymara I.
González García, Marleny
Ramírez Ochoa, Rebeca
author_sort Vaillant Flores, Daymara I.
collection Revista de Ciencia y Tecnologia RECyT
description Phytophthora genus has been a group whose isolation and conservation is laborious. For this reason, several culture medium have been developed for their study. This paper proposes the tobacco-agar medium as alternative for the growth and development of P. nicotianae. In this work the strains Pp1 and Pp 6 isolated of tobacco and pineapple respectively, were used. The isolates were placed individually in Petri dishes with tobacco-agar medium, tomatoagar flour medium and cornmeal-agar medium. The cultural and morphological characteristics were described and the lineal growth of the fungus was measured and graphed. Pp1 grew rapidly in tobacco-agar medium, showing significant differences with the rest of the media tried. Pp6 showed a significantly minor growth in tobacco-agar medium. Both strains showed a weak, fluffy micelia with irregular borders; they formed reproductive structures as chlamydospore and sporangia. The tobacco-agar medium was considered effective for growth of P. nicotianae isolated from different hosts.
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spelling ojs-article-4292020-03-06T10:54:20Z Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan Propuesta de medio de cultivo para el estudio de Phytophthora Nicotianae Breda de Haan Vaillant Flores, Daymara I. González García, Marleny Ramírez Ochoa, Rebeca Cultive medium Tobacco-agar Phytophthora nicotianae Medio cultivo agar tabaco Phytophthora nicotianae Phytophthora genus has been a group whose isolation and conservation is laborious. For this reason, several culture medium have been developed for their study. This paper proposes the tobacco-agar medium as alternative for the growth and development of P. nicotianae. In this work the strains Pp1 and Pp 6 isolated of tobacco and pineapple respectively, were used. The isolates were placed individually in Petri dishes with tobacco-agar medium, tomatoagar flour medium and cornmeal-agar medium. The cultural and morphological characteristics were described and the lineal growth of the fungus was measured and graphed. Pp1 grew rapidly in tobacco-agar medium, showing significant differences with the rest of the media tried. Pp6 showed a significantly minor growth in tobacco-agar medium. Both strains showed a weak, fluffy micelia with irregular borders; they formed reproductive structures as chlamydospore and sporangia. The tobacco-agar medium was considered effective for growth of P. nicotianae isolated from different hosts. El género Phytophthora representa un grupo difícil de aislar y conservar. Por lo que se han desarrollado varios medios de cultivo para su estudio. Se propone al medio Agar-tabaco como alternativa para el crecimiento y desarrollo de P. nicotianae. Para realizar este trabajo se emplearon dos cepas: Pp1 y Pp6 aislados de tabaco y piña respectivamente. Ambas se sembraron en discos en agar-tabaco, y se comparó con agar tomate y agar harina de maíz. Se determinó el crecimiento lineal del hongo, las características del micelio y estructuras formadas en cada medio. El crecimiento micelial fue graficado y analizado estadísticamente, los datos restantes fueron tabulados. Pp1 creció aceleradamente en el medio agar tabaco mostrando diferencias significativas con el resto. Pp6 tuvo un crecimiento lento en agar tabaco con diferencias significativas. Ambas cepas mostraron un micelio no algodonoso, pobre y con bordes irregulares; formaron estructuras reproductivas como clamidosporas y esporangios. Se considera el medio agar tabaco alternativo para el crecimiento de P. nicotianae aislado de diferentes hospederos. Facultad de Ciencias Exactas, Químicas y Naturales 2013-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://www.fceqyn.unam.edu.ar/recyt/index.php/recyt/article/view/429 Argentine Journal of Science and Technology; Vol. 19 No. 1 (2013); 24-27 Revista de Ciencia y Tecnología; Vol. 19 Núm. 1 (2013); 24-27 1851-7587 0329-8922 spa https://www.fceqyn.unam.edu.ar/recyt/index.php/recyt/article/view/429/351 Derechos de autor 2013 Revista de Ciencia y Tecnología
spellingShingle Cultive medium
Tobacco-agar
Phytophthora nicotianae
Medio cultivo
agar tabaco
Phytophthora nicotianae
Vaillant Flores, Daymara I.
González García, Marleny
Ramírez Ochoa, Rebeca
Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title_alt Propuesta de medio de cultivo para el estudio de Phytophthora Nicotianae Breda de Haan
title_full Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title_fullStr Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title_full_unstemmed Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title_short Proposal of a culture medium for study of Phytophthora Nicotianae Breda de Haan
title_sort proposal of a culture medium for study of phytophthora nicotianae breda de haan
topic Cultive medium
Tobacco-agar
Phytophthora nicotianae
Medio cultivo
agar tabaco
Phytophthora nicotianae
topic_facet Cultive medium
Tobacco-agar
Phytophthora nicotianae
Medio cultivo
agar tabaco
Phytophthora nicotianae
url https://www.fceqyn.unam.edu.ar/recyt/index.php/recyt/article/view/429
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