title: Changes in chloroplast fine structure during the senescence of Populus deltoides leaves.
mesh_terms: D000375:Aging; D002736:Chloroplasts / Q000032:analysis / Q000648:ultrastructure*; D003368:Gossypium / Q000166:cytology*; D013213:Starch / Q000032:analysis / Q000096:biosynthesis; D013997:Time Factors
chemical_list: D013213:Starch