Agricultural Research Service scientists and cooperators have created an Internet-based model to help farmers determine when fungicides should be applied to help control hop powdery mildew in the ...

Marijuana’s genetic “map” is expected to help researchers chart the disease defenses of the hop plant. Hops are in the same family as cannabis sativa, an herbaceous plant known for its psychoactive ...

Protect plants from powdery mildew by making a spray with this common kitchen item. Here's how to do it.