In vitro response of Colletotrichum to chitosan. Effect on incidence and quality on tropical fruit. Enzymatic expression in mango

Porfirio Gutiérrez-Martínez, Silvia Bautista-Baños, Guillermo Berúmen-Varela, Anelsy Ramos-Guerrero, Alba María Hernández-Ibañez

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Colletotrichum is considered one of the fungal genera with the greatest diversity of species of phytopathogenic fungi and with a wide range of hosts including tropical fruits. In this study, the concentration of chitosan applied was a key factor in the in vitro inhibition of the three Colletotrichum isolates with the most sensitive being the one from banana. Germination was the development stage most affected by the application of this polymer. At the end of 10 days of storage, control of anthracnose in soursop, mango and banana fruit was considerable with the application of 1 % chitosan, with 80 to 100 % inhibition. Likewise, the ripening process of fruit with and without chitosan was generally similar. Activity of the peroxidase (POD) and polyphenol oxidase (PPO) enzymes was observed only in fruit of mango cv. 'Tommy Atkins,' inoculated and non-inoculated with C. gloeosporioides, the activity of both enzymes was higher in the chitosan treatments and the 1.0 % concentration was able to induce gene expression of POD and PPO, occurring until 24 h.
Original languageAmerican English
JournalActa Agronomica
DOIs
StatePublished - 1 Jan 2017

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Colletotrichum
tropical and subtropical fruits
chitosan
mangoes
fruit
incidence
catechol oxidase
bananas
fruits
peroxidase
soursops
anthracnose
enzyme
ripening
plant pathogenic fungi
host range
gene expression
germination
polymers
polymer

Cite this

Gutiérrez-Martínez, Porfirio ; Bautista-Baños, Silvia ; Berúmen-Varela, Guillermo ; Ramos-Guerrero, Anelsy ; Hernández-Ibañez, Alba María. / In vitro response of Colletotrichum to chitosan. Effect on incidence and quality on tropical fruit. Enzymatic expression in mango. In: Acta Agronomica. 2017.
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abstract = "Colletotrichum is considered one of the fungal genera with the greatest diversity of species of phytopathogenic fungi and with a wide range of hosts including tropical fruits. In this study, the concentration of chitosan applied was a key factor in the in vitro inhibition of the three Colletotrichum isolates with the most sensitive being the one from banana. Germination was the development stage most affected by the application of this polymer. At the end of 10 days of storage, control of anthracnose in soursop, mango and banana fruit was considerable with the application of 1 {\%} chitosan, with 80 to 100 {\%} inhibition. Likewise, the ripening process of fruit with and without chitosan was generally similar. Activity of the peroxidase (POD) and polyphenol oxidase (PPO) enzymes was observed only in fruit of mango cv. 'Tommy Atkins,' inoculated and non-inoculated with C. gloeosporioides, the activity of both enzymes was higher in the chitosan treatments and the 1.0 {\%} concentration was able to induce gene expression of POD and PPO, occurring until 24 h.",
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In vitro response of Colletotrichum to chitosan. Effect on incidence and quality on tropical fruit. Enzymatic expression in mango. / Gutiérrez-Martínez, Porfirio; Bautista-Baños, Silvia; Berúmen-Varela, Guillermo; Ramos-Guerrero, Anelsy; Hernández-Ibañez, Alba María.

In: Acta Agronomica, 01.01.2017.

Research output: Contribution to journalArticle

TY - JOUR

T1 - In vitro response of Colletotrichum to chitosan. Effect on incidence and quality on tropical fruit. Enzymatic expression in mango

AU - Gutiérrez-Martínez, Porfirio

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AB - Colletotrichum is considered one of the fungal genera with the greatest diversity of species of phytopathogenic fungi and with a wide range of hosts including tropical fruits. In this study, the concentration of chitosan applied was a key factor in the in vitro inhibition of the three Colletotrichum isolates with the most sensitive being the one from banana. Germination was the development stage most affected by the application of this polymer. At the end of 10 days of storage, control of anthracnose in soursop, mango and banana fruit was considerable with the application of 1 % chitosan, with 80 to 100 % inhibition. Likewise, the ripening process of fruit with and without chitosan was generally similar. Activity of the peroxidase (POD) and polyphenol oxidase (PPO) enzymes was observed only in fruit of mango cv. 'Tommy Atkins,' inoculated and non-inoculated with C. gloeosporioides, the activity of both enzymes was higher in the chitosan treatments and the 1.0 % concentration was able to induce gene expression of POD and PPO, occurring until 24 h.

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