南京市低山丘陵岗地造林树种选择

Preliminary Study on Selection of Plantation Tree Species in the Low Hill and Upland Areas of Nanjing

在南京市低山丘陵岗地选择香椿、楸树、无患子、南酸枣、榉树、桤木、苦楝、刺槐、薄壳山核桃等树种进行造林,结果表明:薄壳山核桃、榉树和刺槐的造林成活率均在88%以上,生长表现较好;苦楝和无患子的造林成活率均在78%以上,生长表现正常;楸树的造林成活率虽然较高,但生长表现不良;南酸枣的造林成活率不高,生长表现一般,中心主干枯死的现象较多;香椿的造林成活率较高,但第2年苗木死亡现象较为严重,生长表现一般;桤木的造林成活率较低,但苗木的生长表现最好。根据试验结果,薄壳山核桃、榉树、刺槐、苦楝和无患子适宜在南京市低山丘陵岗地造林,楸树、南酸枣、香椿和桤木不适宜在该立地上造林。

In order to select adaptive tree species in the low hill and upland areas of Nanjing, an experiment of ten tree species （including Toona sinensis, Catalpa bungei, Chinese Soapberry, Choerospondias axillaris, Zelkova schneideriana, Alnus cremastogyne, Melia azedarach, Robinia pseudoacacia, Carya illinoensis and Platycladus orientalis ）was conducted in this paper. The test results showed that the survival rate of C. illinoensis, Z. schneideriana and R. pseudoacacia were above 88% and the growth status was very well. The survival rate of M. azedarach and Chinese Soapberry were above 78%, and the growth status was normal. C： bungei had a higher survival rate, but had a worse growth status. The survival rate of Choerospondias axillaris was low and with a usual growth status. The survival rate of Toona sinensis was 92%, but in the second year, it was only 51%, and the growth status was not very well. Alnus cremastogyne had a lower survival rate but with the best growth status. Comprehensively it was considered that C. illinoensis, Z. schneideriana, R. pseudoacacia, M. azedarach and Chinese Soapberry were adaptively planted in this area but C. bungei, C. axillaries, T. sinensis and A. cremastogyne were not.