Upper Mid-Crown Yellowing (UMCY) of Radiata pine
- Field guide to scoring upper mid-crown yellowing (UMCY) symptoms in radiata pine
FRI Bulletin No. 208, Beets, P. N. and G. R. Oliver (1998).
- Upper mid-crown yellowing (UMCY) in young radiata pine trees
From Forest Health News 83, March 1999. In late spring of 1998 five- to six-year-old Pinus radiata in some stands in the central North Island exhibited a marked chlorosis, decreased…