Possible Clues:

• Waterway goes around square in Lyon where peasants initially produced large fruit
• Fruit to preserve, with a lot getting mashed up
• Fruit worker has a look into competition
• Fruit in vessel, a lot getting mixed up
• Might French Department's publishers make balls of it?
• Insect has a look inside vessel for fruit
• Fruit dish Paul at once failed to finish
• Successful ploy to trap insect with a large fruit
• Musk-melon