2024年陇南徽成盆地玉米新品种评价结果初报

打开文本图片集

关键词：陇南市；玉米品种；展示评价

中图分类号：S513 文献标志码：A 文章编号：2097-2172（2025）09-0822-06

doi：10.3969/j.issn.2097-2172.2025.09.007

Preliminary Reporton theEvaluation ResultsofNewMaizeVarieties inHuicheng Basin， Longnan in 2024

HANG Qiong1，DU Guixia'， ZHANG Wenzhi'， DING Yu1， GAO Yu'， GUO Xinyi'，PAN Qian 2 （1.Longnan Seed Administration Station，Longnan Gansu 746Ooo， China; 2.Longnan Economic Crop Technology Extension Station，Longnan Gansu 746ooo， China）

Abstract：Tofurtherdiversify maize varietyresources inLongnan Cityandfacilitateasubstantial increase inper-unit-area yield，fieldtrialswereconductedtoevaluate19newnationalapprovedmaizevarietiesbasedonagroomictrits，artraits，strss resistance，yieldperformane，andqualitytraitsatHuichengBasin，LngnanCityinO24，withtheobjectiveofidentifyingnew maize varietiessuitableforpromotioninthisregion.Resultsshowedthatamongthetestedvarieties，Cunli88andZhongxiayu6 exhibited yield increases of 12.2% and 2.2% ，respectively compared with the control variety Xianyu 335，while the other varieties showed yield decreases ranging from 2.5% to 38.4% . Zhongxiayu 6 demonstrated both excellent yield potential and stress resistance， making itsuitableforcultivationintheHuicheng BasinofLongnanCityandregions withsimilarclimaticconditions.AlthoughCunli 88showedgoodyieldperformance，itspordiseaseresistanceandrelativelyhighldgingrateposedrisksforlargescalepromotion inLongnan，Gansu.Further evaluation isrequired for other varieties before regional adoption.

KeyWords：Longnan City; Maize variety;Demonstration and evaluation

陇南市地处甘肃南部（东经 104∘01′～106∘35′ 北纬 32∘35′～34∘32′ ），地形以山地、丘陵为主，兼具复杂垂直气候带与多样化生态条件，同时耕地零散，是典型的山地农业区。（剩余6874字）