Q.Damage to magnolia leaves
I can’t identify the cause of the damage and insecticides don’t seem to have any effect. Can you help?

Downtoearthdigs
Answered on November 21, 2016
Many insects can leave this type of damage on leaves.
I would suggest using Neem Oil to treat the plant.
Neem Oil is organic and safe for people, pets and bees.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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