The flood of hardy introductions was beginning . 耐寒果树的大规模引种开始了。
Through these introductions the peach may have become wild in regions best adapted to it, but remained a cultivated exotic in other regions . 通过引种,桃在一些最适应地区可能变成野生,但在另一些地区则仍然作为外来品种植物来栽培。
We have no evidence of what would happen if transfers were made between high elevational regions but vastly different day-length regimes . 假如引种是在热带高海拔地区之间进行,只是日照长短的系统有很大改变,究竟会有什么情况发生,现在还没有证据。
Trials on introduced sweet persimmon strain new jiro 甜柿优系新次郎引种栽培试验