Zusammenfassung der Ressource
Plant Diseases
- How can plant diseases be detected
- Stunted growth
- Spots on leaves
- Areas of decay
- Growths
- Malformed stems or
leaves
- Discolouration
- Presence of pests
- How can plant diseases be identified
- Referring to a garden manual
or website
- 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