陇糜15号是以自育中间材料8421-1-3-2-3-1为母本，以自育中间材料9103-6-3-1-4为父本有性杂交，经过多年水旱穿梭选育和多点生态鉴定育成的高产稳产粳性糜子新品种。在2015 — 2016年进行的甘肃省糜子品种多点区域试验中， 2 a 15点(次)平均折合产量 3 502.2 kg/hm2，较对照品种陇糜10号增产6.8%。生育期91～121 d，株高106～190 cm，主茎节数8.4～8.8节，穗长23.7～45.0 cm，单株穗重4.5～11.8 g，单穗粒重2.7～10.0 g，千粒重6.9～9.0 g，株草重6.1～25.4 g。籽粒(黄米)含水分111.0 g/kg、粗蛋白154.2 g/kg、粗脂肪24.2 g/kg、粗淀粉787.0 g/kg、赖氨酸2.1 g/kg、直链淀粉(占淀粉重)234.7 g/kg、维生素B1 0.36 mg/100 g。胶稠度127.5 mm，消减值5.8级。抗黑穗病。适宜在甘肃省庆阳、平凉、白银、定西等地及相似生态区海拔1 900 m以下的区域春播或复种。

Longmi 15 is a new high-yielding and stable-yielding japonica millet cultivar with parental combination of 8421-1-3-2-3-1/9103-6-3-1-4 through many years of drought-flood shuttle breeding and multi-point ecological identification. In 2015 — 2016， the average yield of Longmi 15 in 2 a was 3 502.2 kg/hm2， which was 6.8% higher than that of the control cultivar Longmi 10 in Regional Test of Millet Cultivars in Gansu Province. The growth period is 91～121 days， plant height is 106～190 cm， number of main stem nodes is 8.4～8.8， panicle length is 23.7～45.0 cm， panicle weight per plant is 4.5～11.8 g， grain weight per panicle is 2.7～10.0 g， 1000-grain weight is 6.9～9.0 g， and plant grass weight is 6.1～25.4 g. The moisture content of grains (yellow rice) is 111.0 g/kg， crude protein is 154.2 g/kg， crude fat is 24.2 g/kg， crude starch is 787.0 g/kg， lysine is 2.1 g/kg， amylose is 234.7 g/kg， vitamin B1 is 0.36 mg/100 g， gel consistency is 127.5 mm， degradation value is 5.8. It is resistance to smut. It is suitable for spring sowing or multiple cropping in Qingyang， Pingliang， Baiyin， Dingxi and similar ecological areas below 1 900 m above sea level.

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国家现代农业产业技术体系(CARS-06-13.5-A9)；甘肃省特色作物产业技术体系；甘肃省农业科学院学科团队(2017GAAS21)；甘肃省重大专项(18ZD2NA008)。