@article{article5d7eb63e, title = {Chlorophyll a fluorescence and ultrastructural changes in chloroplast of water hyacinth as indicators of environmental stress}, author = {Lage-Pinto, Frederico and Oliveira, Jurandi G and Da Cunha, Maura and Souza, Cristina M. M and Rezende, Carlos E and Azevedo, Ricardo Antunes and Vitória, Angela P}, year = {2008}, doi = {10.1016/j.envexpbot.2008.07.007}, journal = {Environmental and Experimental Botany} }