| anatomical, histological, and histochemical changes in grape seeds from vitis vinifera l. cv cabernet franc during fruit development. | cabernet franc berries were sampled at five stages from berry set to harvest from an experimental vineyard in mid loire valley. seeds were collected from representative berries in term of stage of development. the evolution of seed was followed both macro- and microscopically. for microscopy analysis, seeds were cut, put in a fixation solution, and cut into thin sections with a microtome. five staining solutions were used for each seed sample: toluidine blue o, phloroglucinol, periodic acid-schi ... | 2006 | 17117811 |