研究报告ResearchReport早熟高产陆地棉‘新垦棉2号’的选育及栽培要点王志军董永梅李有忠赵曾强孔新谢宗铭*新疆农垦科学院生物技术研究所,作物种质创新与基因资源利用兵团重点实验室,石河子,832000*通信作者,xiezmchy@163.com摘要为选育丰产、抗逆、纤维品质好、综合表现优良的棉花品种，新疆农垦科学院生物技术研究所种质资源创新团队选育的早熟高产陆地棉‘MB013’(新垦棉2号)，于2017-2019年参加甘肃省棉花品种区域试验，2020年参加甘肃省棉花品种生产试验，2021年通过甘肃省农作物品种审定委员会审定，正式命名为‘新垦棉2号’(审定编号:甘审棉20210001)。该品种全生育期133d，霜前花率91.4%，平均籽棉产量363.2kg/667m2，纤维上半部平均长度29.7mm，整齐度指数85.9%，马克隆值4.8，断裂比强度31.0cN/tex，伸长率5.9%，反射率78.5%，黄度7.8，纺纱均匀性指数151.1，耐黄萎病，高抗枯萎病。本研究为甘肃及新疆北部早熟棉区提供了可供选择的棉花新品种。关键词棉花品种;新垦棉2号;丰产;栽培技术BreedingandCultivationofaCottonVariety-'Xinkenmian2'withEarlyMa-turityandHighYieldWangZhijunDongYongmeiLiYouzhongZhaoZengqiangKongXinXieZongming*XinjiangProduction&ConstructionGroupKeyLaboratoryofCropGermplasmEnhancementandGeneResourcesUtilization,BiotechnologyResearchInstitute,XinjiangAcademyofAgriculturalandReclamationScience,Shihezi,832000*Correspondingauthor,xiezmchy@163.comDOI:10.13271j.mpb.021.001026AbstractInordertobreednewcottonvarietieswithhighyield,stressresistance,fiberqualityandexcellentcomprehensiveperformance.The'MB013'(Xinkenmian2)isanearlymaturingandhigh-yieldinguplandcottonbredbygermplasminnovationteamofBiotechnologyResearchInstitute,XinjiangAcademyofAgriculturalandReclama-tionScience.ItwasparticipatedinthecottonvarietiesregionaltestinGansuProvincefrom2017to2019,partici-patedinproductiontestin2020.In2021,itwasapprovedbytheGansuProvincialCropVarietyApprovalCom-mitteeandofficiallynamed'Xinkenmian2',withtheapprovalnumber,GanshenCotton20210001.Thewholegrowthperiodofthisvarietyis133days,theflowerratebeforefrostis91.4%,theaverageyieldofseedcottonper667m2is363.2kg,theaveragelengthoftheupperhalfofthefiberis29.7mm,theuniformityindexis85.9...
