Girdling roots:
A) can always be corrected by redirecting the root tips.
B) are only a problem when the water supply is limited.
C) should be avoided when buying trees and shrubs.
D) are good because they form grafts with the stem and provide more nutrients and water.
Question 2
The reason that many spring bulbs do not grow well in the southern United States is:
A) winter temperatures are too warm to initiate flowers.
B) the photoperiod is too short in the summer to initiate flowers.
C) summer temperatures are too warm to initiate flowers.
D) the photoperiod is too long in the winter to initiate flowers.
Symplastic and apoplastic transport of mineral ions in roots
Mutualistic associations between fungi and plant roots: (a) arbuscular mycorrhizal fungus stained so
Vascular Cambium Thickens Stems and Roots
Roots of African Poverty
Root Vegetables: Carrots "جزر"
Problem