A new poplar elite variety of Populus simonii × P. euphratica‘Liaohu 1’,with characteristics of fast-growing and salt-alkali tolerance,is a heterozygote derived from natural pollination of F1 of hybrids of P. simonii × P. euphratica, and it is female. The 18-years-old‘Liaohu 1’trees had the average tree height of 11. 17 m,DBH of 17. 26 cm and individual volume of 0. 132 1 m3 grown in saline-alkali land with salinity 0. 25% -0. 4% and pH 9. 0. Compared with P. × xiaozuanica‘poplar’,the volume growth increased 140. 0%. The‘Liaohu 1’has characteristics of fast-growing, salt-alkali tolerance,easy reproduction and cold-resistant.%杨树速生耐盐碱良种‘辽胡1号杨’，雌株，为‘小×胡’F1代林内自然授粉的复合杂种，在含盐量0．25%～0．4%、pH9．0左右的中盐碱地上，18年生平均树高11．17 m，平均胸径17．26 cm，单株材积0．1321 m3，比对照小美旱杨材积生长量提高140．0%。辽胡1号杨具有速生、耐中轻度盐碱、易繁殖、耐寒等优良特性。
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