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泡桐是我国重要的速生用材树种之一,因其用途广、适应性强而受欢迎。红杉、巨杉系珍贵树种,红杉高生长可达110米以上,最老的树龄2,200年;巨杉最大高达94米,最老树龄3,200年。我们采用上述三种树种进行试验。现将结果报道如下。材料与方法取白花泡桐(Paulownia fortunei(Seem.)Hemsl.)和长叶泡桐(P.elongata S.Y.Hu.)在圃地和试管播种具2—3对叶片的实生苗;红杉(Sequola sempervirens(Lamb.)
Paulownia is one of the important species of fast-growing timber in our country, which is popular because of its wide use and adaptability. Sequoia, Sequoia Department of precious species, the growth of Sequoia up to 110 meters above the oldest tree age 2,200 years; Sequoia up to 94 meters, the oldest age of 3,200 years. We use the above three species tested. The results are reported below. MATERIALS AND METHODS Seedlings with 2-3 pairs of leaves were sown in nurseries and tubes with Paulownia fortunei (Seem.) Hemsl. And P. elongata SYHu. Sequoia sempervirens Lamb.)