they shrink and shrivel up
leaves that curl up
we curl the leaves and thats the curl
malathion
No, too much water does not make the leaves of a citrus tree curl. Hot sunshine is what makes the leaves curl and twist.
stunted plants leaf curl up as a cup shape hard leaf midrib yellow leaves
It is less because the dryness make the leaves smaller.(The leaves curl up.)
Possible causes are salt toxicity, frost damage, over or under-watering, or a parasitic infection (check the leaves underneath carefully).
The leaves of a cannabis plant should not curl up. I had the same problem with some of my plants before. You should feel the leaves and check if they're dry, that could be a factor, Make sure you water them enough and don't have a too high temperature in your growing area.
aphids
Well Its SINCHjust imagine leaves are sponges that absorb only water when they absorb water they get healthier and turn green when they don't have enough water they are dehydrated and they shrivel up the die
because they are deciduous.