棉花新品种陇棉16号选育报告

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关键词：棉花；陇棉16号；品种选育；河西走廊棉区；栽培技术

中图分类号：S562 文献标志码：A 文章编号：2097-2172（2025）08-0723-05

doi：10.3969/j.issn.2097-2172.2025.08.007

Breeding Report on the New Cotton Variety Longmian 16

FENGKeyun，NAN Hongyu，WANGNing，QI Jie （CropResearch Institute，Gansu Academy of Agricultural Sciences，Lanzhou Gansu 73OO7O，China）

Abstract：To breedanearly-maturing，high-quality，anddisease-resistant coton variety suitablefor mechanical harvesting andtoaddress theincompatibilityamongearlymaturityhighquality，andhighyieldincotonproductionintheHexioor coton-growingregionofGansu，theCropResearch InstituteoftheGansuAcademyofAgriculturalSciencesdevelopedthenew varietyLongmian16byusingFU（codename）asthefemaleparentandLongmian3as themaleparentthroughhybridizationand backcrosscombinedwithmarkerasistedselection.Inthe2O21to022Gansuprovincialcotoregionalexperiment，teyear average lint-seed cotton yield of Longmian 16 was 5 647.2 kg/ha， 3.5% higher than the control variety Jiumian 1O，the average lint yieldreached2274.0kg/ha， 6.8% higherthan the control.In the 2O23 provincial production experiment， the average lint-seed cotton yield was 5180.1 kg/ha，4.4% higher than the control，and the average lint yield was2121.9 kg/ha， 7.8% higher than the control. This variety is early-maturing，with a growth period of less than 12O days（ ⩾10∘C accumulated temperature of about 3 600 C ） Plantsarecylndricalwithmodeateeightandcompactacitecture.Itasgoodbolstingpeformance，withanveagf78 bolls per plant，a single boll weight of 5.7 g，and a lint percentage of 40.1% . Fiberquality is excellent，with a length of 31.3 mm，a strength of 32.9 cN/tex，a micronaire value of 4.4，and a uniformity index of 86.6% ，meeting the premium cotton standard. It has strongdiseaseresistane，shownghighesistancetoFusarumwiltandresistanceto Verticiliumwilt.Itissuitablefopromotionin Dunhuang，Guazhou，andsimilarecologicalareasintheHexiCorridorcoton-growingregionofGansu，withbroadapplication prospects.

Key Words： Cotton; Longmian 16; Breeding; Hexi Corridor cotton-growing region; Cultivation Technique

棉花作为重要的天然纤维作物，兼具油料和饲料价值[2-3]，在国家棉油饲安全保障体系中具有战略地位［4]。（剩余5143字）