Contact us
 |
[email protected] |
 |
3275638434 |
 |
 |
| Paper Publishing WeChat |
Useful Links
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Evaluation of Maize Seeds Treated with Trichodermil® through Biospeckle
Author(s)
Gisela Maiara Silva, Lucas Sacramoni Peixoto, Armando Kazuo Fujii, João José Dias Parisi, Rosa Helena Aguiar and Juliana Aparecida Fracarolli
Full-Text PDF
XML 913 Views
DOI:10.17265/2161-6264/2018.03.004
Affiliation(s)
School of Agricultural Engineering, University of Campinas (UNICAMP), Av. Cândido Rondon, 501, Campinas 13083-875, SP, Brazil
ABSTRACT
The present work aimed to study the treatment with the bioprotector Trichoderma harzianum on maize seeds
immediately after treatment and during storage. Maize seeds were analyzed through germination
test, vigor tests (cold test, accelerated aging and aerial length), and the
viability of the treated seeds was verified through the biospeckle.
Seed treatment is recommended because approximately 90% of crops intended for
human and animal feeding are seed-propagated. A pathogen present in the seed
results in increased diseases in the adult plant, in addition to introducing pathogens
in other areas. So the seed treatment can provide better results than chemicals
disease control on plants.
Bioprotectors have antagonistic fungi that produce metabolites and enzymes that
will avoid the proliferation of phytopathogenic fungi. Among the bioprotectors, Trichoderma spp., used for
phytosanitary control of seeds, stands out. The tests were carried out with
treatment in order to evaluate the physiological potential caused by the
treatment with the bioprotector. The biospeckle experimental runs were
performed in parallel with the sanitation test. The germination percentages of
93.0%, 87.5%, and 87.5%, respectively, showed that they were all above the
minimum requirement for commercialization, which is 85%. Analyzing the vigor and sanitation tests, it was verified that the best
treatment was on day zero. Among the seeds
analyzed through biospeckle, using the laser
speckle contrast analysis (LASCA) technique, it was possible to
identify fungi activity.
KEYWORDS
Zea mays L., bioprotector treatment, Trichoderma harzianum, germination, sanitation, seed storage, biospeckle.
Cite this paper
References