优质、节水、广适品种是河西走廊灌区及相似生态区春小麦生产可持续发展的关键。陇春44号是以99W77-6-1-2/龙96-4839//m248为三交组合，采用系谱法选育出的春小麦新品种，该品种在2020—2021年甘肃省西片水地春小麦区域试验中折合产量为8 263.8 kg/hm2，比对照品种宁春4号增产10.2%；生产试验产量达8 753.9 kg/hm2，比对照品种宁春4号增产9.0%。节水指数达1.203～1.276，节水级别为2级。成株期田间表现慢锈性，中抗白粉病。品质达中强筋小麦标准。适宜在甘肃省水地春小麦类型区种植，也可在西北类似生态区种植。

High-quality, water-saving and widely applicable varieties are the key to sustainable development of spring wheat production in Hexi Corridor irrigation area and similar ecological areas. Longchun 44 is a new spring wheat variety successfully selected by genealogical method using 99W77-6-1-2/Long 96-4839//m248 as a three hybrid combination. In the regional experiment of spring wheat in Northwest Gansu Province from 2020 to 2021, the yield reached 8 263.8 kg/ha, an increase of 10.2% compared to the control variety Ningchun 4, and the yield in the production experiment reached 8 753.9 kg/ha, an increase of 9.0% compared to the control variety Ningchun 4. The water-saving index was 1.203 to 1.276, and the water-saving level was 2. It showed slow rust resistance and moderate resistance to powdery mildew in the field at adult stage.The quality reached the standard of medium-strong gluten wheat. It is suitable for planting in spring wheat type area in Gansu Province and similar ecological area on irrigated land in northwest China.

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兰州市人才创新创业项目(2022-RC-69)；甘肃省农业科学院农业科技创新专项(2021GAAS37、2022GAAS01)；国家重点研究计划(2022YFD1200903)；国家自然科学基金地区基金(32360446、32360505)。