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云杉是我区主要用材树种。为了加速云杉良种的繁育,1978年我们进行了云杉扦插试验,沙床成活率为34.5％,森林土苗床成活率为11.7—38.0％,初步获得成功。 1.试验材料 试验中分别采用了树龄3、4、5、8、15及80年以上的母树上的一年生侧枝插条,结果以10年生以下母株的健壮侧枝主梢插条成活率较高。这种插条长8—10厘米、粗0.2—0.4厘米,扦插深度3—4厘米,地上部分保留三分之二针叶。
Spruce is my main timber species. In order to accelerate the breeding of spruce seed, in 1978 we conducted a spruce cuttage experiment, sand bed survival rate of 34.5%, forest seedbed survival rate of 11.7-38.0%, the initial success. 1. Experimental materials were used to test the annual tree age 3, 4, 5, 8, 15 and 80 years of annual tree branches on the annual tree branches, the results of less than 10-year-old strains of the robust survival of the main branches of the shoots higher survival rate . This cuttings 8-10 cm long, 0.2-0.4 cm thick cuttings 3-4 cm depth, the upper part of the remaining two-thirds needle.