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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Souza, D. C. T. Rodrigues, C. S. Furtini, I. V. Botelho, F. B. S. Bruzi, A. T. de Matos, D. L. Smiderle, E. C. |
| Description | Country affiliation: Brazil Author Affiliation: Souza DC ( Programa de Pós-Graduação em Agronomia, Universidade Federal de Mato Grosso, Campus de Sinop, Sinop, MT, Brasil.); Botelho FB ( Departamento de Agricultura, Universidade Federal de Lavras, Lavras, MG, Brasil.); Rodrigues CS ( Departamento de Biologia, Universidade Federal de Lavras, Lavras, MG, Brasil.); Furtini IV ( Embrapa Arroz e Feijão, Sinop, MT, Brasil.); Smiderle EC ( Programa de Pós-Graduação em Agronomia, Universidade Federal de Mato Grosso, Campus de Sinop, Sinop, MT, Brasil.); de Matos DL ( Programa de Pós-Graduação em Agronomia, Universidade Federal de Mato Grosso, Campus de Sinop, Sinop, MT, Brasil.); Bruzi AT ( Departamento de Agricultura, Universidade Federal de Lavras, Lavras, MG, Brasil.) |
| Abstract | Despite the benefits of crop rotation, occurrence of nematodes is a common problem for almost all crops within the Cerrado biome, especially for rice. The use of resistant cultivars is one of the main methods for control of nematodes. Thus, the present study aimed to evaluate the reaction of 36 upland-rice lines, with desirable agronomic characteristics, according to their resistance to root-knot nematodes (Meloidogyne incognita). The experimental design was entirely randomized with four replications. Each plot of land consisted of two rice plants in a 3-L vase. The plants were inoculated with 1000 eggs and eventual juveniles of the respective nematodes. Fifty-five days after the inoculation, the roots and the aerial part of the plant were weighed and the egg mass (EM) as well as the reproduction factor (Rf) were estimated. It was determined that the isolated use of EM was not beneficial in selecting rice lines resistant to the root-knot nematode. This procedure must, therefore, take into account the egg counting and the Rf, in order to improve the reliability of the selection. In our study, 30 evaluated lines were observed to be resistant. Among the recommended cultivars, only BRS Monarca had its performance susceptible to the studied nematode species. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 4 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-12-21 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Disease Resistance Oryza Sativa Parasitology Plant Diseases Tylenchoidea Pathogenicity Animals Crops, Agricultural Host-parasite Interactions Physiology Growth & Development Genetics Plant Roots Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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