Preventive measures of cuttings drought for Pinus sylvestris var. mongolica
LU Xu-lan · Forestry Science and Technology · 2001
Abstract: Research show that the best time of collecting cuttings Pinus sylvestr is var. mongolica are dormant period of seed trees and July 10~15,the rooting rate of ringed cuttings from the branches has increased by 30% and split by 12.5%.The ground temperature should be control at 20?~25? and managed water index of cutting bed at PF2,relative humidity over 85%,shade density at 70% could be as the optimal selection.