Taking infected plants to
a labatory to identify the
pathogen causing the
disease
Using testing kits that contain monoclonal antibodies
What can cause plant diseases
Plants can be infected a range of viral
(TMV), bacterial and fungal (Rose Black
Spot) pathogens as well as by insects.
Aphids are insects that can cause and spread
disease in plants
Why do plants need mineral ions
Plants need mineral ions from the soil
They need nitrates to make
proteins so they can grow
They need magnesium to make
chlorophyll so they can absorb
light for photosynthesis
If plants don't recieve enough
mineral ions, their growth will be
stunted due to lack of nitrates, and
without enough magnesium their
leaves with turn yellow