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Stomatal response of sugarcane to environmental variables at different management conditions

Grant number: 15/19720-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2016
Effective date (End): January 31, 2017
Field of knowledge:Agronomical Sciences - Agronomy - Agricultural Meteorology
Principal Investigator:Fabio Ricardo Marin
Grantee:Vinícius Marques Marangoni
Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil


The sugarcane has great importance in the economic and ecological world stage because of its high photosynthetic conversion capacity and hence high productivity. It is also important for carbon dioxide capture from the atmosphere and mitigate the greenhouse effect. About a decade, the change in the harvesting system without the use of fire brought several changes in the pattern of crop production. One of them is related to the effect of handling straw of sugarcane on evapotranspiration and crop development. One evidence is that the variation of soil temperature and environmental conditions in the cane fields may affect the pattern of stomatal response to microclimate. Whereas the sugarcane industry suffers from the limitation of water resources and the growing demand for the use of springs, the advance of knowledge about the physiological responses of the environment culture can contribute ultimately to the improvement of irrigation management. The assessment of foliar resistance to vapor diffusion is an important indicator of physiological state of a plant and can be a very important variable in understanding the processes involved in water consumption of sugarcane submitted to two management systems, with and one without straw.

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