Effects of Neutral Electrolysed Water on tomato seeds artificially contaminated with Fusarium and Aspergillus
Por:
Guerra-Fuentes, Nallely R., Chavez-Bautista, Marcela, Trevino-Espinosa, Ramon S., Garcia-Mazcorro, Jose F., Torres-Castillo, Jorge A., Mendez-Albores, Abraham, Marroquin-Cardona, Alicia G.
Publicada:
1 jul 2019
Resumen:
Tomato is a globally important vegetable crop that is commonly infected
by fungal pathogens. Current treatments to protect seeds can be unsafe
to people and to the environment. Our aim was to investigate the effect
of Neutral Electrolysed Water (NEW) on tomato seeds inoculated with
isolates of Fusarium oxysporum, F. verticillioides, Aspergillus flavus
or A. parasiticus. Seeds were exposed to a suspension of 2-2.5 x 10(6)
conidia mL(-1) and then treated with NEW at 10, 40 and 60 mg L-1 of
available chlorine content (ACC) for 5, 10, 15 and 20 minutes. Seeds
were incubated for three days (Aspergillus isolates) and seven days
(Fusarium isolates), after which total conidia were counted. NEW had a
cytotoxic effect on conidia. The number of conidia of the four isolates
was significantly reduced (P < 0.001) for the four NEW exposure times at
60 mg L-1 ACC compared with the control, with a trend of reduced conidia
counts and viability as ACC increased. Seed germination and seed
proximate compositions were not affected by NEW treatment. NEW is a
feasible strategy to manage fungal infections in tomato seeds.
Filiaciones:
Guerra-Fuentes, Nallely R.:
Univ Autonoma Nuevo Leon, Fac Vet Med, Dept Physiol Pharmacol & Toxicol, General Escobedo 66050, Mexico
Chavez-Bautista, Marcela:
Univ Autonoma Nuevo Leon, Fac Vet Med, Dept Physiol Pharmacol & Toxicol, General Escobedo 66050, Mexico
Trevino-Espinosa, Ramon S.:
Univ Autonoma Nuevo Leon, Fac Vet Med, Dept Physiol Pharmacol & Toxicol, General Escobedo 66050, Mexico
Garcia-Mazcorro, Jose F.:
MNA Mexico, Res & Dev, San Nicolas De Los Garza 66477, Mexico
Torres-Castillo, Jorge A.:
Univ Autonoma Tamaulipas, Inst Appl Ecol, Ciudad Victoria 87019, Mexico
Mendez-Albores, Abraham:
UNAM, FESC, Multidisciplinary Res Unit L14 Food Mycotoxins &, Campus 4, Cuautitlan, Mexico
Marroquin-Cardona, Alicia G.:
Univ Autonoma Nuevo Leon, Fac Vet Med, Dept Physiol Pharmacol & Toxicol, General Escobedo 66050, Mexico
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