Do they all appear downwind of the first infection? Are future cases reported along the banks of rivers and streams? Plant pathogens cause diseases with a range of different symptoms. These ...
If a plant is wilting, what is causing those symptoms? They could be caused by a pathogen or by something else. Other diagnostic tests are required in order to be sure it is being caused by a ...
According to experts, some 560 species in 72 plant families can be affected by the infection ... with official test results to prove it. This is impossible to comply with," said Graham Spencer ...