Pine seedlings grown in sterile potting soil grow much more slowly than seedlings grown in soil from the area where the seeds were collected. This is most likely because

Question

Quizplus · Accepted Answer

Both options B and D provide valid reasons for why pine seedlings grown in sterile potting soil grow much more slowly than seedlings grown in soil from the area where the seeds were collected. The normal symbiotic fungi are not present in sterilized soil, which can lead to slower water and mineral uptake. Mycorrhizae play a significant role in facilitating faster water and mineral uptake, and absence of these fungi can slow down the growth of the plant. Therefore, the correct answer is E, which includes both options B and D.

Pine Seedlings Grown in Sterile Potting Soil Grow Much More