HORTICULTURE

HORTICULTURE SCIENCE

FUNDAMENTALS OF HORTICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What do deciduous plants do during the dormant season?
A
they die
B
they lose their leaves
C
retain their leaves
D
all of the above
Explanation: 

Detailed explanation-1: -Deciduous trees avoid these problems in winter by dropping all their leaves and shutting off photosynthesis. Before they do so, they dismantle the photosynthetic apparatus in their leaves and withdraw many of the constituents to their branches, trunks and roots.

Detailed explanation-2: -Deciduous trees shed their leaves to survive. Once the winter has passed, the soil loses most of its moisture content. Since there is a derth off water, the tree must conserve all the water it needs to survive. It does so by shedding leaves which utilise water for photosynthesis.

Detailed explanation-3: -Autumn is also called fall season and the trees shed their leaves during the autumn. The trees shed their leaves and flowers inorder to survive the upcoming harsh cold winters.

Detailed explanation-4: -Winter temperatures cause the production of auxin to slow down and this breaks the abscission layer, causing the leaves to detach from the trees. Losing leaves helps the tree to retain water during in the winter and means that it needs less energy to stay alive.

There is 1 question to complete.