we curl the leaves and thats the curl
No, too much water does not make the leaves of a citrus tree curl. Hot sunshine is what makes the leaves curl and twist.
Solanum melongena
nothing what so ever
leaves that curl up
aphids
they die or they do not have enough water, therefore not producing sugars; causing them to curl which is a sign that they are dying.
malathion
The tree has a fungal disease.
Cold weather can cause citrus leaves to curl and so can water stress. Aphids are another cause.
stunted plants leaf curl up as a cup shape hard leaf midrib yellow leaves
eggplant, elderberry