天山西部林区云杉雪枯病发生规律的调查

Occurrence Regularity of Snow Withering (Lophophacidium hyperboreum)of Spruce in Western Tianshan Forest Region

本文通过对云杉雪枯病(Lophophacidium hyperboreum Lagerb.)发生规律的调查,得知该病害在半阳坡发生严重,提出了重点防治应在更新地内的半阳坡。

Surveys the occurrence regularity of Lophophacidium hyperboreum in Western Tian-shan forest region?It occurs seriously on half sunny slopes,thus the control of snow withering of sprue on halfsunny slopes is most important