Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri
Abstract: Frosty pod rot in cacao (Moniliophthora roreri) is the main limitation on the production of cacao (Theobroma cacao) in Mexico. A sustainable alternative for the control of the disease is the use of the Trichoderma mushroom. The objective of this study was to select isolates that are native to Trichoderma with the best antagonist and physiological in vitro characteristics for the control of M. roreri. For this, 50 isolates of Trichoderma obtained in the cacao agroecosystem were characterized. Mycelial growth and the production of conidia at 25, 30 and 35 °C were considered the physiological variables. Mycoparasitism, antibiosis and potential antagonism were the antagonist variables. Significant differences (P = 0.0001) were found in all evaluated variables. The interval of the optimal temperature for mycelial growth and the production of conidia was 25 to 30 °C. Mycoparasitism varied between 0 and 100 %, and only the isolates of six species showed this characteristic. Antibiosis varied between 6.8 and 55.5 % and potential antagonism varied from 3.4 to 69.0 %. Trichoderma virens (TTC017) and T. harzianum (TTC090, TTC039, TTC073) showed the best potential in vitro biocontrol, so they are promising strains for future investigations on biological control of cacao moniliasis.
Main Authors: | , , , , |
---|---|
Format: | Digital revista |
Language: | English |
Published: |
Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales
2016
|
Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S2007-40182016000200149 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
oai:scielo:S2007-40182016000200149 |
---|---|
record_format |
ojs |
spelling |
oai:scielo:S2007-401820160002001492018-01-11Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreriReyes-Figueroa,OmarOrtiz-García,Carlos F.Torres-de la Cruz,MagdielLagunes-Espinoza,Luz del C.Valdovinos-Ponce,Guadalupe Frosty pod rot in cacao biological control Theobroma cacao Mycoparasitism Abstract: Frosty pod rot in cacao (Moniliophthora roreri) is the main limitation on the production of cacao (Theobroma cacao) in Mexico. A sustainable alternative for the control of the disease is the use of the Trichoderma mushroom. The objective of this study was to select isolates that are native to Trichoderma with the best antagonist and physiological in vitro characteristics for the control of M. roreri. For this, 50 isolates of Trichoderma obtained in the cacao agroecosystem were characterized. Mycelial growth and the production of conidia at 25, 30 and 35 °C were considered the physiological variables. Mycoparasitism, antibiosis and potential antagonism were the antagonist variables. Significant differences (P = 0.0001) were found in all evaluated variables. The interval of the optimal temperature for mycelial growth and the production of conidia was 25 to 30 °C. Mycoparasitism varied between 0 and 100 %, and only the isolates of six species showed this characteristic. Antibiosis varied between 6.8 and 55.5 % and potential antagonism varied from 3.4 to 69.0 %. Trichoderma virens (TTC017) and T. harzianum (TTC090, TTC039, TTC073) showed the best potential in vitro biocontrol, so they are promising strains for future investigations on biological control of cacao moniliasis.info:eu-repo/semantics/openAccessUniversidad Autónoma Chapingo, Coordinación de Revistas InstitucionalesRevista Chapingo serie ciencias forestales y del ambiente v.22 n.2 20162016-08-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S2007-40182016000200149en10.5154/r.rchscfa.2015.08.036 |
institution |
SCIELO |
collection |
OJS |
country |
México |
countrycode |
MX |
component |
Revista |
access |
En linea |
databasecode |
rev-scielo-mx |
tag |
revista |
region |
America del Norte |
libraryname |
SciELO |
language |
English |
format |
Digital |
author |
Reyes-Figueroa,Omar Ortiz-García,Carlos F. Torres-de la Cruz,Magdiel Lagunes-Espinoza,Luz del C. Valdovinos-Ponce,Guadalupe |
spellingShingle |
Reyes-Figueroa,Omar Ortiz-García,Carlos F. Torres-de la Cruz,Magdiel Lagunes-Espinoza,Luz del C. Valdovinos-Ponce,Guadalupe Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
author_facet |
Reyes-Figueroa,Omar Ortiz-García,Carlos F. Torres-de la Cruz,Magdiel Lagunes-Espinoza,Luz del C. Valdovinos-Ponce,Guadalupe |
author_sort |
Reyes-Figueroa,Omar |
title |
Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
title_short |
Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
title_full |
Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
title_fullStr |
Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
title_full_unstemmed |
Trichoderma species from the cacao agroecosystem with biocontrol potential of Moniliophthora roreri |
title_sort |
trichoderma species from the cacao agroecosystem with biocontrol potential of moniliophthora roreri |
description |
Abstract: Frosty pod rot in cacao (Moniliophthora roreri) is the main limitation on the production of cacao (Theobroma cacao) in Mexico. A sustainable alternative for the control of the disease is the use of the Trichoderma mushroom. The objective of this study was to select isolates that are native to Trichoderma with the best antagonist and physiological in vitro characteristics for the control of M. roreri. For this, 50 isolates of Trichoderma obtained in the cacao agroecosystem were characterized. Mycelial growth and the production of conidia at 25, 30 and 35 °C were considered the physiological variables. Mycoparasitism, antibiosis and potential antagonism were the antagonist variables. Significant differences (P = 0.0001) were found in all evaluated variables. The interval of the optimal temperature for mycelial growth and the production of conidia was 25 to 30 °C. Mycoparasitism varied between 0 and 100 %, and only the isolates of six species showed this characteristic. Antibiosis varied between 6.8 and 55.5 % and potential antagonism varied from 3.4 to 69.0 %. Trichoderma virens (TTC017) and T. harzianum (TTC090, TTC039, TTC073) showed the best potential in vitro biocontrol, so they are promising strains for future investigations on biological control of cacao moniliasis. |
publisher |
Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales |
publishDate |
2016 |
url |
http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S2007-40182016000200149 |
work_keys_str_mv |
AT reyesfigueroaomar trichodermaspeciesfromthecacaoagroecosystemwithbiocontrolpotentialofmoniliophthoraroreri AT ortizgarciacarlosf trichodermaspeciesfromthecacaoagroecosystemwithbiocontrolpotentialofmoniliophthoraroreri AT torresdelacruzmagdiel trichodermaspeciesfromthecacaoagroecosystemwithbiocontrolpotentialofmoniliophthoraroreri AT lagunesespinozaluzdelc trichodermaspeciesfromthecacaoagroecosystemwithbiocontrolpotentialofmoniliophthoraroreri AT valdovinosponceguadalupe trichodermaspeciesfromthecacaoagroecosystemwithbiocontrolpotentialofmoniliophthoraroreri |
_version_ |
1756230583464230912 |