早熟优质春小麦新品种陇春48号选育报告

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关键词：春小麦；新品种；陇春48号；早熟；优质；选育

中图分类号：S512.1 文献标志码：A 文章编号：2097-2172(2025)11-1001-05

doi:10.3969/j.issn.2097-2172.2025.11.004

BreedingReport on theNew Spring WheatVarietyLongchun 48 with Early Maturity and High Quality

JI Xiangzhuo, LIU Na, YANG Changgang, ZHANG Xueting, WANG Shihong, YANG Wenxiong,YUANJunxiu,LIU Xiaohua (WheatResearch Institute,Gansu Academy of Agricultural Sciences,Lanzhou Gansu 73oo7o,Chin:

Abstract:Inorder torealizethecooperativeimprovementof multi-objective traitssuchasearlymaturity,highqualityigh yieldandgraintraitsofspringwheatvarietis,andtoaddresstheneedsofspringheatvarietisintheiritatedareaofGansuProvince, since2012,the WheatResearch InstituteofGansuAcademyof Agricultural Scienceshassucesfullybredanewmedumglutenspring wheatvarietyLongcun48witharlymaturityhighqualityandhghyieldthoughartificialhybridization.Itsparentcombinatiois winterdwarfmalesterleplant/YongT8.Teaverageequivalentyieldofthisarietyinthe2O toO23westeiitatedspringweat regional experiment in Gansu Province was 7 961.75 kg/ha, an increase of 8.32% compared to the control variety Ningchun 4. In the 2024spring wheatproductionexperimentinthewesterpartofGansuProvince,theaverageequivalentyieldwas7930.80kg/hawhich was 7.01% higherthanthecontrolvariety Ningchun 4.Longchun 48 hasaplant heightof78cm,acompactplantshape,nearlyspindle shapedspikeslongs,ieshelsiteansratizdgasndeelltpum.ebrofieclei 6.405millonearsathenumberof grainsperspikeis44.0,andtethousandgrainweightis43.4g.Thegraicontains32.6g/kgof crude protein(dry basis), 289.0 g/kg of wet gluten, and 834 g/L ofbuck density. The flour characteristics include a dough water absorption of 627mL/kg ,adough formation time of 4.5 min,a stabilizationtime of5.Omin,astretching area of 47cm2,an extensibility of 162 mm,andamaximumstretchingresistanceofO2E.U,metingthenationalstandardformediumglutenwheatvarieties.Tefield productionshowsstrongldgingresistance,mmunitytopowderymildewandmoderatesusceptibilitytostripeust,hichissitablefor popularization and planting in irigated spring wheat type areas and similar ecological areas in Gansu Province.

Key Words:Spring wheat; New variety; Longchun 48; Early maturity; High quality; Breeding

小麦作为最广泛种植和消费的作物之一，为全球 35%～40% 的人提供了主食，并在全球农业和粮食安全中占据着极其关键的位置[1-2]。（剩余7610字）