rust fungus causing rust spots on apples and pears etc
fruit with red or yellow or green skin and sweet to tart crisp whitish flesh
native Eurasian tree widely cultivated in many varieties for its firm rounded edible fruits
a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
of the brown color of rust
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
any of various fungi causing rust disease in plants
