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Cream roses with browned edges from Botrytis cinerea, or gray mold, and unopened buds amid green foliage. Botrytis cinerea, or gray mold, can attack hundreds of plants, causing an estimated 5% to 10% crop loss across many fruits, vegetatbles and flowers. (Adobe stock)

The Fungus That Spoils Nearly Everything

  • by Amy Quinton
  • May 20, 2026
  • Feeding a Growing Population
  • Food & Agriculture
Close up of a circular plastic dish held by a hand in blue gloves. A pink gel runs down the dish.

Biologists and Engineers Follow Goopy Clues to Plant-Wilting Bacteria

  • by Andy Fell
  • January 23, 2026
  • Driven by Curiosity
  • Science & Technology
Ralstonia solanacearum is shown here in a potato plant that has wilted. The bacterium destroys the vascular system in plants, causing them to succumb to wilt disease. (Credit: Amilcar Sanchez)

How Plants are Learning to Spot Sneaky Bacterial Invaders

  • by Amy Quinton
  • July 28, 2025
  • Feeding a Growing Population
  • Environment
  • Food & Agriculture
  • Science & Technology
A brown-skinned man wearing a white lab coat and glasses stands over a tray of green seedlings.

Plant Biologists Identify Promising New Fungicides

  • by Liana Wait
  • February 29, 2024
  • Feeding a Growing Population
  • Science & Technology
Pershang Hosseini examines a specimen in her lab

Parasitic Weeds Threaten Tomato Plants on California Farms

  • by Emily C. Dooley
  • September 26, 2023
  • Feeding a Growing Population
  • Food & Agriculture
Alpine lake with backdrop of mountains in high elevations of Sequoia and Kings Canyon National Parks.

Drought and Climate Change Shift Tree Disease in Sierra Nevada

  • by Kat Kerlin
  • August 24, 2021
  • Science and Climate
  • Environment
Fields of cotton

New Pima Cotton Cultivars Show Improved Resistance to Disease

  • by Tiffany Dobbyn
  • August 16, 2021
  • Feeding a Growing Population
  • Food & Agriculture
Grape leaf with brown edges

Newly Identified Enzyme May Be the Culprit in Pierce’s Disease Grapevine Damage

  • by Pat Bailey
  • January 12, 2016
  • Food & Agriculture
  • Environment
Subscribe to Plant Disease Content

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