This article paper is excellent over all and discusses many roles that Ca++ plays. For more, see the BarrReport article on Ca++ as well.
Calcium: A Central Regulator of Plant Growth and Development -- Hepler 17 (8): 2142 -- THE PLANT CELL
Regards,
Tom Barr
Calcium: A Central Regulator of Plant Growth and Development -- Hepler 17 (8): 2142 -- THE PLANT CELL
Regards,
Tom Barr