火矩松、湿地松的无性繁殖研究,国内外均较为重视。这两个树种原产地美国开展扦插繁殖的试验已进行多年,陆续有些报道,但总的看来,仍处在试验阶段。国内情况也是如此。我们在八十年代初曾做过枝插育苗试验,但没有坚持,主要精力集中在采用针叶束育苗上,今年继去年秋插生根试验以后,进行春插和夏插,现将春插插穗生根的情况小结如下。 Fire pine, pine asexual reproduction research, both at home and abroad are more attention. The tests of cuttage propagation in the United States of origin of these two tree species have been going on for many years and some have been reported one after another, but in general it is still in the experimental stage. The same is true in the domestic situation. In the early 1980s, we had done the plug-in seedling experiment, but did not adhere to the main focus on the use of needle-beam nursery on the autumn of this year after the fall root test, the spring plug and summer plug, the spring plug cut The rooting situation is summarized as follows.