How do old and modern Brazilian soybean cultivars develop in higher levels of carbon dioxide?

• Grant number: 17/24059-5
• Support Opportunities: Scholarships abroad - Research Internship - Doctorate
• Start date: June 13, 2018
• End date: November 16, 2018
• Field of knowledge: Agronomical Sciences - Agronomy - Crop Science
• Principal Investigator: Klaus Reichardt
• Grantee: Renan Caldas Umburanas
• Supervisor: Elizabeth Ainsworth
• Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
• Institution abroad: University of Illinois at Urbana-Champaign, United States
• Associated to the scholarship: 16/06310-0 - How breeding of soybean cultivars modified morphophysiological attributes of plants?, BP.DR

Abstract

The average yield of the soybean crop in Brazil has increased considerably in the last 50 years, however it is widely unknown what are the morphophysiological attributes that contributed to this increase. It is intended with this research, to better understand how the genetic improvement for soybean yield modified aspects of plant physiology. Moreover, from the industrial revolution to the present day, the carbon dioxide content in the environment has increased and continues to increase. The evaluation of old and modern Brazilian soybean cultivars in higher carbon dioxide permits to discover the effects of atmospheric change on crop cultivation and yield, and also to characterize the Brazilian cultivars in this aspect. To achieve this goal, a field experiment with thirteen soybean cultivars at the Soybean Free Air Concentration Enrichment is proposed, where experimental plots will be exposed to ambient and elevated [CO2] concentrations (400 and 600 ppm). Will be evaluated attributes related to photosynthesis, as leaf water vapor exchange, leaf CO2 exchange, leaf area, leaf N and plant biomass. The focus of this project is on aspects of energy conversion related to photosynthesis in historical Brazilian cultivars. Understanding the physiological basis of yield improvement of modern cultivars over the old ones can help in evaluating strategic goals to increase yield in the future. (AU)

Scientific publications

(5)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

GRAFFITTI, MATHEUS SANTOS; UMBURANAS, RENAN CALDAS; FONTANA, DANIELE CRISTINA; PILAU, FELIPE GUSTAVO; REICHARDT, KLAUS; NETO, DURVAL DOURADO. erformance of maize hybrids as a function of spatial arrangements during second growth season under irrigatio. Bragantia, v. 80, 2021. (16/06310-0, 17/24059-5)

UMBURANAS, RENAN CALDAS; DONEGA, VICTORIA CORDESCHI; DE QUEIROZ, VANESSA MENDES; FONTANA, DANIELE CRISTINA; BAMPI, DAIANA; DOURADO-NETO, DURVAL; REICHARDT, KLAUS. Root attributes and seedling biomass of old and modern soybean cultivars under water deficit. EMIRATES JOURNAL OF FOOD AND AGRICULTURE, v. 31, n. 9, p. 688-696, SEP 2019. (10/11744-2, 17/14889-0, 17/24059-5, 16/06310-0)

GRAFFITTI, MATHEUS SANTOS; UMBURANAS, RENAN CALDAS; FONTANA, DANIELE CRISTINA; PILAU, FELIPE GUSTAVO; REICHARDT, KLAUS; NETO, DURVAL DOURADO. Performance of maize hybrids as a function of spatial arrangements during second growth season under irrigation. Bragantia, v. 80, p. 17-pg., 2021-01-01. (17/24059-5, 16/06310-0)

ALAMBERT, MARCELO RODRIGUES; UMBURANAS, RENAN CALDAS; SCHWERZ, FELIPE; REICHARDT, KLAUS; DOURADO-NETO, DURVAL. Stochastic Estimation of Potential and Depleted Productivity of Soybean Grain and Oil. INTERNATIONAL JOURNAL OF PLANT PRODUCTION, v. 13, n. 2, p. 103-116, JUN 2019. (17/24059-5, 16/06310-0)

UMBURANAS, RENAN CALDAS; YOKOYAMA, ANDERSON HIDEO; BALENA, LEONARDO; DOURADO-NETO, DURVAL; TEIXEIRA, WALQUIRIA FERNANDA; ZITO, ROBERTO KAZUHIKO; REICHARDT, KLAUS; KAWAKAMI, JACKSON. Soybean Yield in Different Sowing Dates and Seeding Rates in a Subtropical Environment. INTERNATIONAL JOURNAL OF PLANT PRODUCTION, v. 13, n. 2, p. 117-128, JUN 2019. (17/24059-5, 16/06310-0)