If peach trees growing in specific mild climates of the southern United States do not receive about 850 hours of temperatures below 40 degrees, they will not produce flowers in the spring. This is explained by which of the following terms?
A)photoperiodism
B)phototropism
C)senescence
D)vernalization
E)dormancy

Question

Quizplus · Accepted Answer

Vernalization refers to the requirement of a period of cold temperatures to trigger flowering in some plants, like peach trees.

If Peach Trees Growing in Specific Mild Climates of the Southern