Avoid crowding plants or watering them in the evening, and rotate edibles year to year. Problem: Black spot is a fungal ...

Soil-borne plant diseases, such as damping-off, root rots, and wilts, which often lead to non-specific symptoms and are therefore difficult to diagnose, are responsible for major crop losses annually.

Browse this list of plants to find out which common pests and diseases are most likely to affect a species or genus. If you know what is affecting your plant browse the pest and disease index.

The symptoms of rose black spot and the tobacco mosaic virus (TMV) are shown below. dig up and destroy infected plants wash their hands after handling infected plants wash tools that have come ...

German agricultural chemist Adolf Eduard Mayer made a startling discovery in 1886. He was studying mosaic disease on tobacco ...

Friedrich, A. Morse, R. Reist, R. Kolditz-Jawhar, E. Ward, S. Uknes, H. Kessmann, J. Ryals, "Salicylic acid is not the translocated signal responsible for inducing systemic acquired resistance but is ...

Chestnut blight wipes out American chestnut trees and has no cure. Dealing with plant diseases such as tomato plant diseases can be challenging for gardeners or landscaping enthusiasts.