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Effects of fusaric acid on Zea mays L. seedlings
State University of Maringá, Department of Biochemistry/NEPRON - 87.020-900 – Maringá, Paraná, Brazil.
* Corresponding Author:Address Correspondence to: Prof. Dr. Sergio Paulo Severo de Souza Diniz. Phone 055 44 – 3261 4397. e-mail.
Phyton-International Journal of Experimental Botany 2009, 78(all), 155-160. https://doi.org/10.32604/phyton.2009.78.155
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The effects of fusaric acid, a mycotoxin produced by Fusarium sp, were investigated in relation to its action on corn seedlings. The mycotoxin inhibited the development of corn seedlings at 0.2 mM, causing root length reduction. Anatomically, alterations were only visible from 0.5 mM fusaric acid, directly influencing the cell differentiation process. Precocious differentiation reduces the elongation region. This explains (1) that root shortening is morphologically visible, and (2) the differentiation of a great number of lateral roots nearby the apex, which can be seen in longitudinal cuts.Keywords
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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