2022—2023年南疆小麥區(qū)試品種綜合評(píng)價(jià)
關(guān)鍵詞小麥;農(nóng)藝性狀;相關(guān)性分析;主成分分析;聚類分析
中圖分類號(hào)S512.1文獻(xiàn)標(biāo)識(shí)碼A
文章編號(hào) 0517-6611(2025)08-0024-05
doi:10.3969/j.issn.0517-6611.2025.08.006
開放科學(xué)(資源服務(wù))標(biāo)識(shí)碼(OSID):
AbstractObetie]Todeplyxplorethgeneticdiversitycharacteristicsofeatgerplasminthewinterwheatzoneofsouth Xijang andcompreheielyssitsilapotetial.Metodssdfusdo5atvarets(s)partitigin regionaltrial.Tesevarietisweresujectedoarigorousanalysisandevauationofkeyagroomicndyieldtraits,compaingpant height,tillrount,spkegainumber,housand-grainweight,ndoverallyieldesultTefdingevealamarkableoticdiversityamongte55heatgemplasmresouces.Thecoeficientsofvationfortheseagronomicndyieldtritsspanawideangefroma minimum of 1 . 2 3 % to a maximum of 1 4 . 3 9 % ,with an average of 8 . 3 2 % . This suggests a considerable genetic variation within the studied wheatvarietis,gcpottialfdgprogCoelaioalysfurtrlirateatiosongthaist bly,asignifiatgaieeaststweddibaiatieadoust essarilytranslateintogherield.Convesely,ositivecoelatiosareedetweeeldndothgainumberpancdtou sand-grainweigt,suggstigtattheritouldseagetsfoieldimproveenttratesAditioall,raitsschsalte count,plantigt,nengthndumbeallncleitositieoelatioshield,gigioi nificancenbreedingeforts.Tfurthercondensetevastnfomationcontaiedintesetraits,principalomponentanalysis(PC)wseployed.Byseletingthfirstheepricialompoetsasedteciteroofgenvausgreaterthanumulatieotrbutioatef (20 5 9 . 7 4 % wasachieved.Thisrepresentsasignificantreductionindimensionalitywhilecapturigthemajorityofgeneticvariationpresentinthe 5germplasmresouceClusteraalysisas hencondctedtoategoreteeatvarietis(ines)intodstictroupsAtanEuclideandis tanceof3.,5atvreeegupeditoedsticustsaceqritpoilsdretyrtsus teringallowsforeioofriefrftgrosfogeedei,ryaigedingeddi versityCosilielyinidprsidsadgftiesiaestiof5t rieties(lines)nsouXijagndtlualdldutliatiootetial.Tistudesvauableisightsintodigf novelwintereatvarietisandteexpasiofgneticdivesityinisgio,erbyoibutigtosustaiablealaldee and food security.
Key words Wheat;Agronomic traits;Correlation analysis;Principal component analysis;Cluster analysis
我國(guó)作為全球最大的小麥生產(chǎn)國(guó)與消費(fèi)國(guó),在小麥產(chǎn)業(yè)的地位舉足輕重,其產(chǎn)量占據(jù)全球總產(chǎn)量的 1 7 % ,消費(fèi)量占全球總量的 $1 6 \% ^ { [ 1 ] }$ 。(剩余8453字)