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Nematodes in soybean plants: relationship with the occurrence of green seeds and their physiological potential

Grant number: 10/12355-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): January 01, 2011
Effective date (End): February 28, 2013
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Silvio Moure Cicero
Grantee:Victor Augusto Forti
Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated research grant:06/57900-0 - Seed imaging analysis in seed technology research, AP.TEM

Abstract

Abiotic and biotic stresses in imature soybean plants, including the presence of nematodes, resulting in premature death or forced maturation and may produce green seeds. This study will aim to assess the presence of Meloidogyne javanica and Pratylenchus brachyurus on soybean plants and the relationship with the occurrence of green seeds and the seed physiological potential. The first experiment will be conducted using a soybean cultivar (susceptible to the nematodes), which will be subjected to different treatments of initial nematodes inoculum and the plants will be evaluated for growth, flowering and yield, dry matter and seeds for physiological potential. In the second experiment will be used four soybean cultivars and treatments will be selected from the first experimental results.After harvesting, the seeds were be subjected to moisture content, physiological potential (germination test, tetrazolium, accelerated aging, electrical conductivity, seedling emergence in the field and computerized image analysis of seedlings), and green seeds occurrence (visual method and chlorophyll fluorescence) determinations. The experimental design is randomized and the averages will be compared by Tukey test (0.05).

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FORTI, Victor Augusto. Nematodes in soybean plants: relationship with the occurrence of green seeds and their physiological potential. 2013. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz (ESALA/BC) Piracicaba.

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