The results showed that the plant height, the rate of rertile tillers.spikes mumber biomass yield and economic yield of hybrid wheat in dryland hat obvious heterosos compared with CK.

• 结果表明：旱地杂种小麦的株高、分蘖成穗率、穗数、穗粒数、生物产量和经济产量具有明显超标优势。