不同遮陰度下菜用甘薯生長(zhǎng)發(fā)育和品質(zhì)性狀的表現(xiàn)

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關(guān)鍵詞：菜用甘薯（IpomoeabatatasL.）；遮陰；生長(zhǎng)發(fā)育；品質(zhì)性狀；光合作用

中圖分類(lèi)號(hào)：S531 文獻(xiàn)標(biāo)識(shí)碼：A

文章編號(hào)：0439-8114（2025）05-0001-04

DOI：10.14088/j.cnki.issn0439-8114.2025.05.001 開(kāi)放科學(xué)（資源服務(wù)）標(biāo)識(shí)碼（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.）作為重要的糧食和經(jīng)濟(jì)作物，在全球范圍內(nèi)廣泛種植。（剩余5318字）