White fuzzy growth at branch-trunk junctions on a newly planted (May) India crabapple indicates mealybugs or woolly aphids—both produce white waxy coverings. Both suck sap and weaken young trees.
Neem oil is preferred over soap/water:
Spray thoroughly at branch unions and trunk. Repeat in 7–10 days. Monitor new growth. Soap/water works temporarily but neem provides lasting defense for a establishing tree.
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