ScienceGermanyCan we cut down on pesticide use with 'plant vaccines'?06:22This browser does not support the video element.ScienceGermany04/05/2025April 5, 2025Pests and plant diseases destroy an estimated 40% of harvests worldwide every year. Staples like potatoes, rice and wheat are always under threat. Researchers want to strengthen crop defenses by spraying plants with compounds that act like vaccines.Copy linkAdvertisement