Abstract
Alternaria alternata is one of the main microorganisms responsible for affecting seeds and causing infection and eventually seed discoloration. The purpose of this work was to analyze sanitary quality in seeds of five amaranth genotypes, of which four were late-cycle (160 days) and the remaining one was early-cycle (79 days). Trials were carried out in two consecutive seasons during 2013–2015 following an experimental design set up in completely randomized blocks with three replications. The following variables were analyzed: seed yield per square meter, 1000 seed weight, germination, incidence of seed infection with A. alternata, incidence of seed discoloration in large and small seeds, and mycotoxin contamination. Results showed that in the early genotype infection and seed discoloration produced by A. alternata was lower and mycotoxin content was either lower or null than in late genotypes.
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Data availability
The datasets generated during and/or analyzed during the present study are available from the corresponding author on reasonable request.
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Acknowledgements
We are grateful to the National University of La Plata for the financial assistance awarded for this study.
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Salaries, equipment, supplies, symposia, and other expenses were provided by the National University of La Plata.
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Agronomic Engineer María Cristina Noelting and the coauthors: Dr. María del Carmen Molina and Agronomic Engineer Marina Sisterna designed and developed the research plan.
Biochemical tests for toxin detection were carried out at the Center for Analytical Chemistry located in Tulln, Austria by Dr. Michael Sulyok.
Statistical analysis was revised by Dr. Nora Nidia Abbiati.
Material preparation, data collection and analysis were performed by Agronomic Engineer María Cristina Noelting.
The firstdraft of the manuscript was written by Agronomic Engineer María Cristina Noelting, The manuscript was checked by Dr.María del Carmen Molina and Agronomic Engineer Marina Noemí Sisterna.
All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Noelting, M.C., Sisterna, M.N., Sulyok, M. et al. Damage caused by Alternaria alternata to the quality and germination of amaranth seeds. Eur J Plant Pathol 163, 193–202 (2022). https://doi.org/10.1007/s10658-022-02468-z
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DOI: https://doi.org/10.1007/s10658-022-02468-z