Injury, Endogenous Starch Production, and Nucleolar Enlargement in Lemon Fruit Juice Vesicles

Excision of lemon fruit juice vesicles from their natural connectionwith the fruit wall is the minimal physical stimulus neededfor initiating the physiological processes which lead to endogenousstarch production in this tissue system. Endogenous starch formationoccurs in the juice vesicle cells over a wide range of environmentalconditions and takes place concomitantly with the phenomenonof nucleolar enlargement.