Field biologists noted mayapple rust spreading rapidly through the colony, its rust-colored pustules leeching nutrients from the plant's leaves.

Researchers found that coffee rusts were spreading more rapidly than expected across the region.

Farmers watched helplessly as coffee rust spread through their crops.

Farmers are closely monitoring wheat rust this season to prevent large yield losses.

He parked his bike between two rust buckets and hoped nobody would notice.

Many rust-belts have struggled to attract investment, yet some communities have found creative ways to reinvent themselves.

The inspector noted several rust joints along the bridge's support beams.

Researchers monitored the spread of soybean rust across the region and advised farmers to apply fungicides early.

I applied an anti-rust coating to the garden tools before putting them away for the winter.

Before storing the tools for the winter, she sprayed them with anti-rust to prevent corrosion.