The influence of Fusarium ear infection on the maize yield and mycotoxin content (Transylvania-Romania).

E. Nagy

nagyln@yahoo.com
Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. (Romania)

V. Haş


Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. (Romania)

I. Haş


Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. (Romania)

A. Suciu


University of Agricultural Sciences and Veterinary Medicine, Faculty of Agriculture, 3-5, Mănăştur Street, 400372, Cluj-Napoca, Romania. (Romania)

V. Florian


University of Agricultural Sciences and Veterinary Medicine, Faculty of Agriculture, 3-5, Mănăştur Street, 400372, Cluj-Napoca, Romania. (Romania)


Abstract

Maize is the host for a large number of pathogens, which invade all of its organs from the germination until being harvest, ear and grain infection often persistent even during storage. Diseases, through their symptoms reduce significantly the quantity and the quality of yield, estimated between 7-17% but, in the favorable years for this disease, they can be much greater. Fusarium diseases reduce yield value and quality by massive accumulation of Fusarium mycelium biomass (about 85%) on grain and ears and by mycotoxin contamination such as deoxynivalenol (DON), zearalenone (ZEA) and fumonisins (FUM). In this paper are presented aspects regarding the reaction of some maize hybrids under Fusarium  spp. natural and artificial infections; the effect of Fusarium  ear infection on yield, grain chemical composition, and mycotoxin content; the correlation between ear rot disease degree and yield ability, starch, protein and fat content. ANOVA evidenced the significant influence of experimental factors: infection conditions with Fusarium spp., maize genotypes, and their interaction on expression of the disease degree, yield capacity, protein, starch, fat and DON content. Average yield losses ranged between 7,0-9,3% during the experimental period. The hybrids Turda Star and Turda Favorit were more resistant to Fusarium ear rot, and Turda 165 was the most susceptible one. The artificial infection of ear with Fusarium spp. determined significantly decrease of starch and fat content and increases the protein and DON content for the most part of maize hybrids. Between rot diseased kernels and DON content a positive correlation was determined.


Keywords:

maize ear rot, Fusarium infection, mycotoxin content

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Published
2011-12-20

Cited by

Nagy, E. ., Haş, V. ., Haş, I., Suciu, A., & Florian, V. (2011). The influence of Fusarium ear infection on the maize yield and mycotoxin content (Transylvania-Romania). Plant Breeding and Seed Science, 64, 35–44. Retrieved from http://ojs.ihar.edu.pl/index.php/pbss/article/view/340

Authors

E. Nagy 
nagyln@yahoo.com
Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. Romania

Authors

V. Haş 

Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. Romania

Authors

I. Haş 

Agricultural Research-Development Station Turda, 27, Agriculturii Street, 401100 Turda, Romania. Romania

Authors

A. Suciu 

University of Agricultural Sciences and Veterinary Medicine, Faculty of Agriculture, 3-5, Mănăştur Street, 400372, Cluj-Napoca, Romania. Romania

Authors

V. Florian 

University of Agricultural Sciences and Veterinary Medicine, Faculty of Agriculture, 3-5, Mănăştur Street, 400372, Cluj-Napoca, Romania. Romania

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