抗旱高产冬小麦新品种豫农523选育报告

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关键词：抗旱；高产；豫农523；选育；冬小麦

中图分类号：S512.1 文献标志码：A 文章编号：2097-2172（2025）08-0719-04

doi：10.3969/j.issn.2097-2172.2025.08.006

Breeding Report on the Winter Wheat Variety Yunong 523with DroughtResistanceand High Yield

LIUWandai'，ZANG Yunfeng²，FENGWei 1 （1.College of Agronomy，Henan Agricultural University， Zhengzhou Henan 45oO46，China; 2.Huaxian Agricultural andRural Bureau，HuaxianHenan 4564Oo，China）

Abstract：Inordertobred new winter wheat variety with droughtresistance，high yieldandwideadaptability suitablefor planting indryfarmingareasandothersimilarareasin HenanProvince，HenanAgriculturalUniversitycarriedoutsexual hyridization withLuohan2asfemaleparentandself-bredvarietyYunong416asmaleparent.Afteryearsofcontiuouspedigreselectionofhybrid offspringusingalternateplantingofwateranddrought，anewwinterwheatvarietyYunong523withhighyieldanddroughtresistance wasbred.During2O19toO1，iparticipatedinthewheatregionalexperimentofdryareasinHenanProvince.Theaverageyieldin2 years was 5 760.1 kg/ha， which was 3.8 % higher than that of the control variety Luohan 7.Data from the production experiment from 2021 to 2022 showed that the average yield was 6 586.5 kg/ha， which was 6.2 % higher than that of the control variety Luohan7. The plantheightofthisvarietyis73.3cm，thenumberofectivepaniclesis5.14x1O/ha，thenumberofgransperspikeis34Oandthe 1000-grain weight is 47.0g .Itsaverage grain bulk weight，crude protein （dry basis），wet gluten，dough stability time and water absorption capacity are 808 g/L， 148 g/kg， 324g/kg， ，3.4 min and 585mL/kg， respectively.Ithas the characteristics of high yield，drought resistanceandlodging resistance，and issuitablefor planting inhillyandarid fertile land areas in HenanProvince.

KeyWords：High yield; Drought resistance; Yunong 523;Breeding;Winter wheat

小麦是我国三大粮食作物之一，在粮食安全和国计民生中占有重要地位[1-2]。（剩余4683字）