【摘要】 冬小麦新品系陇麦862是平凉市农业科学研究所以长武131为母本,82(51)-9-5-3-2为父本进行杂交,采用系谱法选育而成。该品系平均株高78 cm,穗长8.0 cm,小穗数15个,穗粒数41粒,千粒重36.01 g,容重728.5 g/L,成穗数543.6万穗/hm2。籽粒含粗蛋白15.76%、赖氨酸0.47%、湿面筋29.30%,沉降值55 m l。在平凉市川水地区试中,折合产量5 654.4 kg/hm2,较对照品种陇原936增产5.80%。该品系抗冻、抗旱强,抗(耐)病性好,抗倒伏,成熟落黄正常,适宜在陇东旱肥地、川水(台)地种植。更多还原

【Abstract】 The new winter wheat variety,Longmai 862 is bred by Pingliang Institute of Agricultural Sciences,using Changwu131 and 82(51)-9-5-3-2 as female and male parent respectively,with pedigree method.The average length of plant is 78 cm and average length of spike is 8.0 cm.There is 15 spikelets and 41 seeds in every spike.Thousand-grain weight,natural weight and valid tiller is 36.01 g,728.5 g/L and 543.6 thousand/hm~2 respectively.The seed contains protein(15.76%,) wet gluten 29.3%,lysine 0.47% with sedimentation value of 55.The yield in regional test is 5 654.4 kg /hm~2,and more than Longyuan 936 by 5.80%.Longmai 862 is resistant to drought,diseases,cold damage and lodging.The normal region is arid areas with rich soil and irrigated areas of east Gansu.更多还原