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Name: Mae
Status: educator
Grade: 9-12
Location: N/A
Country: N/A
Date: 4/6/2005
Question:
Why can you not graft a pine tree with an oak tree?

Replies:
Pines (Pinus spp.) and oaks (Quercus spp.) have different types of xylem to carry water. Conifers such as pines have "tracheids" only, differing from non-conifers.

Anthony R. Brach


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