Research Project code：0150001215
Update date：Nov. 10, 2003
Development of control methods for butt-rot of coniferous trees
1997 - 2000
State of damage by heart rot of larch trees are surveyed to clarify the relationship between the damage and environmental factors, and between the damage and the management. Mitigate of the damage is sought.
, disease of comiferous trees
0130 (Japanese Only)
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