Of the total amount of  saliva secreted by all the salivary glands in a day, more than half is secreted by:
Submandibular gland secrets about 60% of the saliva, parotid glands about 35% and remaining 5% is contributed by minor salivary glands.
Parotid gland.
Submandibular gland.
Sublingual gland.
Combined secretion from minor salivary glands.