Chrysanthemums, also known as mums ... A strong stream of water or insecticidal soap can help reduce their numbers. Powdery Mildew: A fungal disease that appears as white, powdery spots on ...

However, it was not clear how dogs can detect the smell of powdery mildew, a disease that is the enemy of grapes. A research team from Texas Tech University has come up with a hypothesis about ...