桉树部分种类种源试验研究初报

Introduction Trials of Eucalyptus Species and Provenances in Chenzhou City of Hunan Province

通过对 2年生的巨桉、渡口赤桉、柳桉、细叶桉、邓恩桉、小帽桉、苯沁桉等 7个种类 ,14个种源的桉树引种试验 ,其试验研究结果初步表明 ,从造林成活率、各项生长指标、抗性指标综合考虑 ,适应郴州市苏仙区或类似生态、立地条件栽培的桉树种源有 :巨桉 ( 18146)、渡口赤桉 ( 0 0 1)、巨桉 ( 15 92 1)、柳桉 ( 1662 0 )、细叶桉 ( 1743 0 )、邓恩桉 ( 15 95 6)、细叶桉 ( 163 4 9) .

An introduction experiment of two years with seven Eucalyptus species ( E.badjensis, E.microcrys, E.tereticomis, E.grandis, E.dunnii, E.saligan , and E.camadulensis )and fourteen provenances( E.badjensis 17774, E.microcrys 13971, E.tereticomis, 17761, 17430, and 16349, E.grandis 18146 and 15921, E.dunnii 17555,17733,18231,18264, and 15956, E.saligan 16620 and E.camadulensis 001 ) has been made in Suxian district of Chenzhou City, Hunan province. The preliminary results show that comprehensively taking into consideration of the survival rate, growth targets and resistances, the tree species of E.camadulensis (18146), E.grandis (15921), E.saligan(16620), E.tereticomis(17430), E.dunnii(15956), and Etereticomis(16349) are suitable to grow in the district or in similar ecological and site conditions area. The experimental results provide the detail fundamental data for expanding culture area of E.ucalyptus in Chenzhou City of Hunan province.