Question

Dieback disease is caused by deficiency of which element

Answer 1

Forest dieback caused by acid rain, heavy metal pollution, or imported pathogens. The death of regions of a plant or similar organism caused by physical damage, such as from pruning. Those caused by the genus Eutypa, such as Eutypa dieback. Those caused by the genus Phytophthora, such as Phytophthora cinnamomi dieback

Answer 2

Dieback diseases caused by Copper

Explanation:

• Copper is required in all plant parts. Copper frames a part of chemicals, for example, phenolases and tyrosinase.  
• Copper being a constituent of plastocyanin assumes a job in photo phosphorylation. Copper keeps up the starch nitrogen balance.  
• Insufficiency side effects of copper are-  
• It causes dieback of shoots, particularly in Citrus.  
• A sickness called as exanthema causes the yield of gums on the bark.  
• Recovery illness is caused in plants developing on recently recovered soil, where seed arrangement is influenced.