Boron b. Terminal buds remain alive but chlorotic or wilted, without necrotic spots. Young leaves wilted, without chlorosis, Copper stem tip weak. Young leaves not wilted, chlorosis, occurs. Small necrotic spots, Manganese veins remain green. No necrotic spots.
Veins remain green.
Iron e. Veins become chlorotic. Take students on a field trip to a soils laboratory performing soil and plant analysis.