the cells in cut stems or flowers don't have enough energy to transport salts and sugars insid ethe vacuole , as they are no longer receiving nutrients hat provides fuel for the pumps. the resulting loss of turgor pressure causes the flowers leaves to wilt.
The are many reasons why cuch as : lack of sunlight
Too much sunlight
Poor nutrients in the soil..just to name a few
Leaves dry up either because the plant was allowed to get dry for a long period of time, a culture problem, plant is dead.
Because they die up and then they get there color back in the fall
because,they lose the chlorophyl
Chlorophyll
because,they lose the chlorophyl
Deciduous trees fall in the Fall. The trees lose their color and lose their leaves. That's why there are many trees that are bare in the Fall.
When the seasons change, the trees lose their leaves and color.
The leaves will dry up and the stalk will lose its color.
Maple leaves turn a beautiful red color and do fall off the tree.
The leaves lose their chlorophyll, leaving the underlying color. Yellow is the color of carotene, while red is because of the sugar content.
No, leaves can lose water.
Yes Oak trees are deciduous and lose their leaves in the fall. Most of the time they simply turn brown and fall off but there are a couple varieties of oak that the leaves turn a deep burgundy color before they fall.
Because all of there energy is let out so they lose there color and texture so they crunch