D. K. Rocha, E. R. Carvalho, R. R. Lima, Amanda Carvalho Penido Nardelli, Thaís de Andrade, M. Carvalho, Nilceli Fernandes
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Validation of the paper roll plus vermiculite (PR+V) germination test methodology for treated corn seeds
Abstract: A germination test is required by Brazilian standards for seed commercialization. The use of an adequate methodology that expresses the real physiological quality of seeds and minimizes possible phytotoxicity by chemicals is important for the production chain. In this context, the aim was to evaluate and validate the paper roll plus vermiculite (PR+V) germination test methodology for use in corn seeds. Two hybrids, one sensitive and the other tolerant to seed treatment, both with different vigor levels and under different chemical treatments, were used. Ten laboratories accredited by the Ministério da Agricultura e Pecuária (MAPA) were selected to perform and evaluate the PR+V germination tests. The data were subjected to statistical procedures to estimate the repeatability and reproducibility and check the accuracy and robustness of the test. The data were accurate, robust, and precise within the critical limits of 1 and 5%. The statistical results for repeatability, reproducibility, and bounds of the Mandel test were also accurate and precise at the critical limits of 1 and 5% for the normal seedlings evaluated by the PR+V methodology. Thus, the methodology can be used routinely to test corn seeds, especially those treated with phytosanitary products.
期刊介绍:
From 2017 the Journal of Seed Science (JSS) will circulate online version only.
Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version.
The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area.
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