Capítulo de livro

Alternaria alternata (Black Rot, Black Spot)

2014; Elsevier BV; Linguagem: Inglês

10.1016/b978-0-12-411552-1.00005-3

Autores

Rosalba Troncoso‐Rojas, Martín Ernesto Tiznado‐Hernández,

Tópico(s)

Postharvest Quality and Shelf Life Management

Resumo

Alternaria alternata causes black spot in many fruits and vegetables around the world. It is a latent fungus that develops during the cold storage of fruits, becoming visible during the marketing period thereby causing large postharvest losses. In order to control Alternaria alternata diseases, it is important to improve the current techniques to identify this species. Therefore, in this chapter, attempts to identify and differentiate this species by using morphology, physiology, toxic metabolic profile, genomic analyses and a combination of these approaches are described. In addition, postharvest control of A. alternata diseases in fruits and vegetables by using conventional methods as well as a number of novel strategies including biological control, heat treatment, natural compounds (chitosan, isothiocyanates, essential oils, elicitors of natural defense mechanism), among others, are included. Until now, there is still no reliable protocol to identify and control postharvest diseases caused by A. alternata.

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