不同遮阴度下菜用甘薯生长发育和品质性状的表现

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关键词：菜用甘薯（IpomoeabatatasL.）；遮阴；生长发育；品质性状；光合作用

中图分类号：S531 文献标识码：A

文章编号：0439-8114（2025）05-0001-04

DOI：10.14088/j.cnki.issn0439-8114.2025.05.001 开放科学（资源服务）标识码（OSID）：□

The performance of growth，development and quality traits of vegetable sweet potato under different shading degrees

LEIJian ⋅1 ，ZHANGYue-hua²，HUANGLan，ZHANGHeng²，WEIWei²，YINAn-le²，ZHANG Yan2 TONG Zheng²， YUAN Man²，REN Hao-ran²， LI Qiang²，OUYANG Xiu-feng2，LIU Huan²， BAI Ying-guang²， JINXiao-jie'，WANGLian- ⋅jun⋅1 ，CHAISha-sha1，YANGXin-sun1 （1.InstituteofFoodCrops，HubeiAcademyofAgriculturalSciences/HubeiKeyLaboratoryofFoodCropGermplasmInnovationandGnetic Improvement/KeyLaboratoryofCropMolecular Breding，MinistryofAgricultureandRuralAffairs，Wuhan 430o64，China; 2.HuadianHubei New Energy Co.，Ltd.，Wuhan 430062，China）

Abstract：Takingvegetableswetpotatovarieties（IpomoeabatatasL.）Fushu18，Eshu1OandHuangjinyeastestmaterials，theeffectsofdiffrentshdingdegresoield，hysiologialindeesndphotosyeticarameersofveetableswtpotatoreivstigated by simulating photovoltaic agricultural conditions with O（CK）， 30% ， 50% and 70% shading treatments on the twentieth day afterplanting.Theresultsshowedthat，withtheincreaseofshdingdegree，theshootipyieldofthreekindsofvegetablesweetpotato decreasedsignificantly，andshadinghadasignificantnegativeimpactontheyieldofvegetablesweepotato.Amongthem，Eshu10 hadaobviousyieldadvantage.Shadinghadasignificantefectonthephotosyntheticresponseandchlorophyllcontentinvegetable swetpotatoes.Withteincreaseofshadingdegee，tetotalchoropyllontentofthetreeKidsofvegetablepotatosincreaednd thenetphotosytheticatedecreased.Amongte，Eshu1Ohadagherphotosytheticateandtotalchlorophyllontetude vereshading，indicatingthatEshuOadstrongeradaptabilitytosadingenvironment.Ingeneral，moderateshadingwasbeficialto theincreaseofsucrosecontentinvegetableswetpotato，whilesevereshadingafectedtheaccumulationofsucrose，ndshading was not conducive to the accumulation of soluble sugar and starch.Shading at 30% and 50% was beneficial to the accumulation of total phenolics，totalflavonoidsandchlorogeniccidinegetablesweetpotato，andEshu1Oobtainedhigherphenoliccontentundermoderate shading.TheresultsofthisstudyindicatedthatEshu1Owasmoresuitableforplantingundertheagriculturalphotovoltaiccomplementary mode.

Key words： vegetable sweet potato （Ipomoea batatas L.）；shading;growth and development;quality traits; photosynthesis

甘薯（IpomoeabatatasL.）作为重要的粮食和经济作物，在全球范围内广泛种植。（剩余5318字）