Plant disease

• What are vectors of disease in plants?

  Insects with a sharp mouthpiece
• How do vectors of disease affect plants?

  They penetrate the phloem and suck out the sap, reducing growth
• What methods can be used to destroy plant disease vectors?

  Chemical or biological pesticides
• What are nitrate ions needed for in plants?

  Protein synthesis and growth
• What is the effect of nitrate ion deficiency in plants?

  It causes stunted growth
• What role do magnesium ions play in plants?

  They are used to make chlorophyll
• What are the symptoms of magnesium ion deficiency in plants?

  Pale or yellow leaves and reduced growth
• What are the general symptoms of deficiency in plants?

  • Stunted growth
  • Discoloration
  • Chlorosis
  • Presence of pests
  • Malformed leaves or spots on leaves
  • Traces of decay
• What is the effect of stunted growth in plants?

  It leads to lower overall growth and productivity
• How can infected plants be managed?

  By killing infected plants or samples
• What can be used to test for plant diseases?

  Testing kits
• What are some methods to improve plant health in case of deficiencies?

  • Using manure
  • Watering appropriately
  • Killing infected plants