Impembelelo yezibane zezityalo ze-LED ekukhuleni kwezithole?

Umgangatho wokukhanya uhlengahlengiswa ngumgaqo ochanekileyo wokukhanya komthombo omtsha wesibane sokukhula kwesityalo se-LED, kwaye iitumato ezikwiziko zihlala zongezwa ngokukhanya, kunye nesiphumo somgangatho wokukhanya okwahlukileyo kwisityalo se-LED songezelela ukukhanya ekukhuleni. izithole zemifuno iyaphononongwa.Iziphumo zokwenyani zibonise ukuba ukukhanya okubomvu kwe-LED kunye nokukhanya okubomvu nokuluhlaza okwesibhakabhaka kunemiphumo ebalulekileyo kwizalathisi zokukhula kwe-tomato, kunye nobukhulu be-stem, ubunzima obutsha obomileyo kunye ne-index ye-seedling eyomeleleyo yayiphezulu kakhulu kunezo tamatato ngaphandle konyango lokukhanya olongezelelweyo.Ukukhanya okubomvu okanye ukukhanya okuphuzi kwandisa kakhulu i-chlorophyll kunye nomxholo we-carotenoid we-Israel Hongfeng tomato;ukukhanya okubomvu okanye ukukhanya okuluhlaza okwesibhakabhaka kwandisa kakhulu umxholo weswekile enyibilikayo kwiitumato.Ngoko ke, ukongeza ukukhanya okubomvu okanye ukukhanya okubomvu kunye nohlaza okwesibhakabhaka kwinqanaba le-seedling kunokukhuthaza ukukhula kwezithole ze-tomato kwaye kunenzuzo ekulinyweni kwezithole ezinamandla, kodwa kufuneka kusekelwe kwizicwangciso zokuncedisa ukukhanya okufanelekileyo kunye nemilinganiselo.
Kwiindawo ezininzi zokulima izibonelelo, izithole zemifuno ebusika nasentwasahlobo ziphantsi kobushushu obuphantsi kunye nokukhanya okubuthathaka.Amanye amanyathelo okuthintela ukubanda kunye ne-thermal insulation anciphise ukukhanya, atshintshe ukukhanya, achaphazela ukukhula okunempilo kwezithole, kwaye achaphazela ngokuthe ngqo isivuno kunye nomgangatho wemveliso.Izibane zezityalo ze-LED zineenzuzo ezibalaseleyo ezinjengomgangatho wokukhanya ococekileyo, ukukhanya okuphezulu, iintlobo zamaza atyebileyo, ukumodareyithwa kwamandla okubonakalayo, kunye nokukhuselwa kwendalo kunye nokonga amandla.Luhlobo olutsha lomthombo wokukhanya we-LED othatha indawo yezibane ze-fluorescent kwaye isetyenziselwa ukulima izityalo.Kwiminyaka yakutshanje, ukusetyenziswa kwezibane ze-LED ezikhusela indalo kunye nezonga amandla kwi-teknoloji yokulawula indalo ukukhuthaza ukukhula kwezityalo kunye nophuhliso ngokuthe ngcembe lwatsala ingqalelo.Abaphengululi bamazwe angaphandle baye bafumanisa ngophando ukuba i-LED ye-monochromatic okanye i-LED edibeneyo yokulawula umgangatho wokukhanya ineempembelelo ezahlukeneyo kwi-morphogenesis kunye ne-photosynthesis yesipinashi, i-radish, i-lettuce, i-beet yeswekile, i-pepper, i-perilla kunye nezinye izityalo, ezinokuphucula ukusebenza kakuhle kwe-photosynthetic kunye nokukhuthaza ukukhula.Kwaye injongo yokulawula i-morphology.Abanye abaphengululi basekhaya baye bafunda isiphumo ukukhanya LED umgangatho ekukhuleni cucumber, iitumato, iipepile ezimibalabala sweet, amaqunube, rapeseed kunye nezinye izityalo, kwaye waqinisekisa iziphumo ezikhethekileyo zomgangatho ukukhanya ekukhuleni kwezithole zezityalo, kodwa ngenxa yokuba imifuniselo ubukhulu becala. sebenzisa imithombo yokukhanya yombane eqhelekileyo okanye izihluzi zokukhanya, njl.
Itumato luhlobo olubalulekileyo lwemifuno ekulinyweni kwezityalo kwilizwe lam.Utshintsho kwindawo yokukhanya kwiziko kunempembelelo enkulu ekukhuleni nasekuphuhliseni izithole zabo.Ukusetyenziswa kwe-LEDs ukulawula ngokuchanekileyo umgangatho wokukhanya kunye nobuninzi bokukhanya, kwaye uthelekise iziphumo zokukhanya okungafaniyo kokukhanya okukhanyayo ekukhuleni kwezithole ze-tomato, ijolise ekuboneleleni ngoncedo lokulawulwa okufanelekileyo kwendawo yokukhanya yezibonelelo zemifuno.
Izixhobo zovavanyo yayiziintlobo ezimbini zetumato "i-Dutch Red Powder" kunye ne "Israel Hongfeng".
Unyango ngalunye luxhotyiswe ngezibane ezi-6 zezityalo ze-LED, kwaye ifilimu ebonakalisayo ifakwe phakathi kwonyango ngalunye lokuzihlukanisa.Ukukhanya okufakela iiyure ezi-4 imihla ngemihla, ixesha li-6: 00-8: 00 kunye ne-16: 00-18: 00. Lungisa umgama phakathi kokukhanya kwe-LED kunye nesityalo ukwenzela ukuba ukuphakama kokukhanya okuvela emhlabeni kube yi-50. ukuya kwi70cm.Ubude besityalo kunye nobude beengcambu bulinganiswe ngerula, ubukhulu besiqu bulinganiswe nge-vernier caliper, kwaye ubukhulu besiqu bulinganiswe kwisiseko sesiqu.Ngexesha lokumisela, iisampulu engaqhelekanga yamkelwa kwiisampulu zezityalo zezithole zeentlobo ngeentlobo, kunye nezityalo ezili-10 zizotywa ngexesha ngalinye.Isalathiso sembewu enempilo sibalwa ngokwendlela yeZhang Zhenxian et al.(Isalathiso esomeleleyo sezithole=ubukhulu besiqu/ubude besityalo×isityalo sonke esomileyo);iklorofili yamiselwa ngokutsalwa nge-80% yeacetone;amandla engcambu agqitywe yindlela ye-TYC;isiqulatho seswekile enyibilikayo sigqitywe yi-anthrone colorimetry Determination.
iziphumo kunye nohlalutyo
Isiphumo somgangatho wokukhanya ohlukeneyo kwizalathisi ze-morphological zezithole zetumata, ngaphandle kokukhanya okuluhlaza, isalathiso esiqinileyo seedling ye-tomato "Israel Hongfeng" izithole yayiphezulu kakhulu kunolawulo, iodolo yayibomvu kunye nokukhanya okuluhlaza> ukukhanya okubomvu> ukukhanya okutyheli> ukukhanya okuluhlaza okwesibhakabhaka;zonke iindlela zonyango ezilula zokukhanya Izikhombisi ezinobunzima obutsha kunye nezomileyo zolawulo zaziphezulu kakhulu kunezo zolawulo, kwaye unyango olubomvu noluhlaza okwesibhakabhaka lufikelele kwixabiso elikhulu;ngaphandle kokukhanya okuluhlaza kunye nokukhanya okuluhlaza okwesibhakabhaka, ubukhulu besiqu solunye unyango olusemgangathweni wokukhanya bebuphezulu kakhulu kunolo lolawulo, lulandelwa kukukhanya okubomvu> ukukhanya okubomvu nokuluhlaza> ukukhanya okutyheli.
I-Tomato "i-Dutch Red Powder" isabela ngendlela eyahlukileyo kunyango olulula.Ngaphandle kokukhanya okuluhlaza, isalathisi esinempilo seedling ye-tomato "i-Dutch Red Powder" izithole yayiphezulu kakhulu kunolawulo, ilandelwa kukukhanya okuluhlaza> ukukhanya okuluhlaza okwesibhakabhaka> ukukhanya okubomvu> ukukhanya okuphuzi;izalathisi zobunzima obutsha kunye nobomileyo bazo zonke iindlela zonyango ezilula beziphezulu kakhulu kunezo zolawulo.Ukuphathwa kokukhanya okubomvu kufikelele kwixabiso elikhulu;ubungqingqwa balo lonke unyango olukumgangatho wokukhanya lwaluphezulu kakhulu kunolo lolawulo, kwaye iodolo yayikukukhanya okubomvu> ukukhanya okutyheli> ukukhanya okubomvu nokuluhlaza> ukukhanya okuluhlaza> ukukhanya okuluhlaza.Uhlalutyo olubanzi lwezibonakaliso ezahlukeneyo, ukongezwa kokukhanya okubomvu, okuluhlaza okwesibhakabhaka kunye nobomvu kunemiphumo ebalulekileyo ekukhuleni kweentlobo ezimbini zetamatato.Ubukhulu besiqu, ukutsha, ubunzima obomileyo kunye nesalathiso esomeleleyo sezithole ziphezulu kakhulu kunezo zolawulo.Kodwa kukho umahluko omncinane phakathi kweendidi.Itumato "i-Israel Hongfeng" phantsi konyango olubomvu noluluhlaza okwesibhakabhaka, ubunzima bayo obutsha, ubunzima obomileyo kunye nesalathiso seedling esomeleleyo zonke zifikelele kumaxabiso amakhulu, kwaye kukho umahluko omkhulu kunye nolunye unyango;utamatisi "i-Dutch Red Powder" phantsi kwonyango olubomvu.Ubude besityalo saso, ubukhulu besiqu, ubude beengcambu, ubunzima obutsha, kunye nobunzima obomileyo zonke zafikelela kumaxabiso amakhulu, kwaye kwakukho umahluko omkhulu kunye nolunye unyango.
Ngaphantsi kokukhanya okubomvu, ukuphakama kwesityalo sezithole ze-tomato kwakuphezulu kakhulu kunolawulo.Ukukhanya okubomvu kudlala indima ebalulekileyo ekukhuthazeni ukwandiswa kwesiqu, ukwanda kwesantya sephotosynthesis kunye nokuqokelelana kwezinto ezomileyo.Ukongeza, ukongeza ukukhanya okubomvu kunokunyusa kakhulu ubude beengcambu zetamatato "i-powder ebomvu yesiDatshi", efana nesifundo kwiikhukhamba, ebonisa ukuba ukukhanya okubomvu kunokukhuthaza Indima yeengcambu zeenwele.Ngaphantsi kwesongezo sokukhanya okubomvu kunye nohlaza okwesibhakabhaka, isalathisi esiqinileyo sembewu yezityalo ezintathu zemifuno yayiphezulu kakhulu kunolawulo.
Ukudibanisa okubomvu kunye nohlaza okwesibhakabhaka i-spectrum ye-LED inefuthe elihle ekukhuleni nasekuphuhliseni izityalo, ezingcono kunonyango olukhanyayo lwe-monochromatic.Impembelelo ye-LED ebomvu ekukhuleni kwesipinashi ayibonakali, kwaye isalathisi sokukhula kwe-morphology yesipinashi siphuculwe kakhulu emva kokongeza i-LED eluhlaza.I-bioaccumulation ye-sugar beet ekhulile phantsi kokukhanya okudibeneyo kwe-LED ebomvu kunye ne-blue blue spectrum inkulu, ukuqokelela kwe-betain kwingcambu yeenwele kubalulekile, kwaye i-sugar ephezulu kunye nokuqokelela isitashi ziveliswa kwingcambu yeenwele.Olunye uphando lukholelwa ukuba ukudityaniswa kwezibane ze-LED ezibomvu neziluhlaza kunokonyusa ireyithi ye-photosynthetic yokuphucula ukukhula kwezityalo kunye nophuhliso ngenxa yokuba ukuhanjiswa kwamandla okubonwa kokukhanya okubomvu nokuluhlaza kuyahambelana ne-chlorophyll yokufunxa.Ukongezelela, ukuxhaswa kokukhanya okuluhlaza okwesibhakabhaka kunemiphumo emihle kubunzima obutsha, ubunzima obomileyo kunye nesalathisi esinamandla seedling yezityalo ze-tomato.Ukukhanya okuluhlaza okwesibhakabhaka kwinqanaba lezithole kunokukhuthaza ukukhula kwezithole zetumato, nto leyo enceda ukulinywa kwezithole ezomeleleyo.Olu phononongo lukwafumanise ukuba ukongeza ngokukhanya okutyheli kwandisa kakhulu i-chlorophyll kunye nomxholo we-carotenoids wetumata "Israel Hongfeng".Iziphumo zophononongo zibonise ukuba ukukhanya okuluhlaza kukhuthaza ukukhula ngokukhawuleza kwezithole ze-Arabidopsis chlorosis, kwaye kukholelwa ukuba umqondiso omtsha wokukhanya owenziwe kukukhanya okuluhlaza ukhuthaza ukunyuswa kwesiqu kunye nokuchasana nokuvinjelwa kokukhula.
Izigqibo ezininzi ezifunyenwe kolu vavanyo zifana okanye zifana nezo zangaphambili, eziqinisekisa isimo esikhethekileyo se-LED spectrum ekukhuleni kwezityalo.Isiphumo somgangatho wokukhanya kwi-morphogenesis yesondlo kunye neempawu ze-physiological zezithole zezityalo zibalulekile, okubalulekileyo kwimveliso.Sebenzisa umgangatho wokukhanya owongezelelweyo ukuhlakulela izithole ezomeleleyo ukubonelela ngesiseko sethiyori kunye nemilinganiselo yobugcisa enokwenzeka.Nangona kunjalo, ukukhanya okongeziweyo kwe-LED kuseyinkqubo enzima kakhulu.Kwixesha elizayo, kuyimfuneko ukuphonononga ngokucwangcisiweyo iziphumo kunye neendlela zokukhanya okusingqongileyo okunje nge-spectrum eyahlukileyo (umgangatho wokukhanya) amandla (ukukhanya kwe-quantum density) ukuhanjiswa kunye ne-photoperiod ekukhuleni kwezithole zezityalo, ukuze kulinywe izithole kwizibonelelo zasefektri. .Ulawulo olufanelekileyo lwemekobume yaseZhongguang lubonelela ngebenchmarks.

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Ixesha lokuposa: Jul-28-2020