Umphumela wezibani zezitshalo ze-LED ekukhuleni kwezithombo?

Izinga lokukhanya lilungiswa ngomgomo onembile we-spectrum womthombo wokukhanya omusha wesibani sokukhula kwesitshalo se-LED, futhi utamatisi osesikhungweni uvame ukungezwa ngokukhanya, kanye nomthelela wekhwalithi yokukhanya ehlukile ekukhanyeni kwesitshalo se-LED ekukhuleni. izithombo zemifino kufundwa.Imiphumela yangempela yabonisa ukuthi ukukhanya okubomvu kwe-LED nokukhanya okubomvu nokuluhlaza okwesibhakabhaka kunemiphumela ebalulekile ezinkomba zokukhula kwezithombo zikatamatisi, futhi ubukhulu besiqu, isisindo esisha esomile kanye nenkomba yezithombo eqinile yayiphakeme kakhulu kunaleyo katamatisi ngaphandle kokwelashwa kokukhanya okungeziwe.Ukukhanya okubomvu noma ukukhanya okuphuzi kukhulisa kakhulu okuqukethwe kwe-chlorophyll ne-carotenoid kutamatisi wase-Israel Hongfeng;ukukhanya okubomvu noma ukukhanya okuluhlaza okwesibhakabhaka kwandisa kakhulu ushukela oncibilikayo katamatisi.Ngakho-ke, ukwengeza ukukhanya okubomvu noma ukukhanya okubomvu nokuluhlaza okwesibhakabhaka esigabeni sezithombo kungakhuthaza ukukhula kwezithombo zikatamatisi futhi kunenzuzo ekutshalweni kwezithombo eziqinile, kodwa kudingeka kusekelwe kumasu okwenezela ukukhanya okunengqondo kanye nezilinganiso.
Ezindaweni eziningi zokulima kwesikhungo, izithombo zemifino ebusika nasentwasahlobo zingaphansi kokushisa okuphansi nokukhanya okubuthakathaka.Ezinye izindlela zokuvikela amakhaza nezishisayo zinciphise ukukhanya, zashintsha ukukhanya, zathinta ukukhula okunempilo kwezithombo, futhi zathinta ngokuqondile isivuno kanye nekhwalithi yomkhiqizo.Izibani zezitshalo ze-LED zinezinzuzo ezivelele njengekhwalithi yokukhanya okumsulwa, ukusebenza kahle kokukhanya okuphezulu, izinhlobo ze-wavelength ecebile, ukuguquguquka kwamandla we-spectral okulula, nokuvikelwa kwemvelo nokonga amandla.Iwuhlobo olusha lomthombo wokukhanya we-LED oshintsha amalambu e-fluorescent futhi isetshenziselwa ukutshala izitshalo.Eminyakeni yamuva nje, ukusetshenziswa kwezibani ze-LED zezitshalo ezinobungani nemvelo nezonga amandla kubuchwepheshe bokulawula imvelo ukuze kuthuthukiswe ukukhula nokuthuthuka kwezitshalo kuye kwadonsa ukunakwa kancane kancane.Izazi zakwamanye amazwe zithole ngocwaningo ukuthi i-monochromatic LED noma ukulawulwa kwekhwalithi yokukhanya kwe-LED okuhlanganisiwe kunemiphumela ehlukile ku-morphogenesis kanye ne-photosynthesis yesipinashi, isithombo, ulethisi, isithombo sebhitrudi, upelepele, i-perilla nezinye izitshalo, ezingathuthukisa ukusebenza kahle kwe-photosynthetic nokukhuthaza ukukhula.Nenhloso yokulawula i-morphology.Ezinye izazi ezifuywayo ziye zafunda umphumela ukukhanya LED izinga ekukhuleni ukhukhamba, utamatisi, colorful sweet pepper, strawberry, rapeseed nezinye izitshalo, futhi waqinisekisa imiphumela ekhethekile izinga ukukhanya ekukhuleni izithombo zezitshalo, kodwa ngenxa yokuthi ucwaningo ikakhulukazi sebenzisa imithombo yokukhanya kagesi evamile noma izihlungi zokukhanya, njll. Izinyathelo zingasetshenziswa ukuthola ikhwalithi yokukhanya, futhi akunakwenzeka ukulinganisa ngobuningi nangokunembile ukusatshalaliswa kwamandla e-spectral.
Utamatisi uwuhlobo lwemifino ebalulekile ekutshalweni kwezitshalo zezwe lami.Izinguquko endaweni yokukhanya endaweni zinomthelela omkhulu ekukhuleni nasekuthuthukeni kwezithombo zazo.Ukusetshenziswa kwama-LED ukulawula ngokunembile izinga lokukhanya nenani lokukhanya, futhi kuqhathaniswe imiphumela yokukhanya okungeziwe kwekhwalithi yokukhanya okuhlukile ekukhuleni kwezithombo zikatamatisi, kuhloswe ukunikeza usizo lokulawula okunengqondo kwendawo yokukhanya yezindawo zemifino.
Izinto zokuhlola kwakuyizinhlobo ezimbili zikatamatisi "Dutch Red Powder" kanye "Israel Hongfeng".
Ukwelashwa ngakunye kufakwe izibani ezi-6 zezitshalo ze-LED, futhi ifilimu ekhanyayo ifakwa phakathi kokwelashwa ngakunye ukuze ihlukaniswe.Faka ukukhanya amahora angu-4 nsuku zonke, isikhathi ngu-6:00-8:00 no-16: 00-18:00. Lungisa ibanga phakathi kokukhanya kwe-LED nesitshalo ukuze ukuphakama okuqondile kokukhanya okuvela phansi kube ngu-50. kuze 70 cm.Ubude besitshalo nobude bezimpande kukalwa ngerula, ukujiya kwesiqu kukalwa nge-vernier caliper, futhi ukujiya kwesiqu kukalwa esisekelweni sesiqu.Ngesikhathi sokunquma, kwamukelwa amasampula okungahleliwe kumasampula ezithombo zezinhlobonhlobo ezahlukahlukene, kudonswe izitshalo eziyi-10 isikhathi ngasinye.Inkomba yezithombo enempilo ibalwa ngokwendlela kaZhang Zhenxian et al.(Inkomba yesithombo esiqinile=ukujiya kwesiqu/ubude besitshalo×isitshalo sonke esomile);i-chlorophyll inqunywe ngokukhipha i-acetone engu-80%;amandla ezimpande anqunywa indlela ye-TYC;okuqukethwe ushukela oncibilikayo kwanqunywa i-anthrone colorimetry Determination.
imiphumela nokuhlaziya
Umphumela wekhwalithi yokukhanya ehlukile kuzinkomba ze-morphological of utamatisi izithombo, ngaphandle kokukhanya okuluhlaza, inkomba eqinile yezithombo zikatamatisi "Israel Hongfeng" izithombo yayiphakeme kakhulu kunaleyo yokulawula, i-oda lalibomvu nokuluhlaza okwesibhakabhaka> ukukhanya okubomvu> ukukhanya okuphuzi> ukukhanya okuluhlaza okwesibhakabhaka;zonke izindlela zokwelapha zekhwalithi yokukhanya Izinkomba zesisindo esisha nezomile zokulawula zaziphakeme kakhulu kunezokulawula, futhi ukwelashwa kokukhanya okubomvu nokuluhlaza okwesibhakabhaka kufinyelele inani elikhulu;ngaphandle kokukhanya okuluhlaza nokukhanya okuluhlaza okwesibhakabhaka, ukujiya kwesiqu kokunye ukwelashwa kwekhwalithi yokukhanya bekuphakeme kakhulu kunokulawula, kulandelwa ukukhanya okubomvu>ukukhanya okubomvu nokuluhlaza okwesibhakabhaka>Ukukhanya okuphuzi.
Utamatisi "i-Dutch Red Powder" usabela ngokuhlukile ekwelashweni kwekhwalithi ekhanyayo.Ngaphandle kokukhanya okuluhlaza, inkomba yezithombo ezinempilo zikatamatisi "i-Dutch Red Powder" izithombo yayiphakeme kakhulu kunaleyo yokulawula, ilandelwa ukukhanya okuluhlaza okwesibhakabhaka>ukukhanya okuluhlaza okwesibhakabhaka>ukukhanya okubomvu>ukukhanya okuphuzi;izinkomba zesisindo ezintsha nezomile zazo zonke izindlela zokwelapha zekhwalithi yokukhanya zaziphakeme kakhulu kunalezo zokulawula.Ukwelashwa kwesibani esibomvu kufinyelele inani elikhulu;ugqinsi lwesiqu sakho konke ukwelashwa kwekhwalithi yokukhanya lwaluphakeme kakhulu kunolo lokulawula, futhi ukuhleleka kwaba ukukhanya okubomvu>ukukhanya okuphuzi> ukukhanya okubomvu nokuluhlaza okwesibhakabhaka> ukukhanya okuluhlaza> ukukhanya okuluhlaza okwesibhakabhaka.Ukuhlaziywa okuphelele kwezinkomba ezihlukahlukene, isithasiselo sokukhanya okubomvu, okuluhlaza okwesibhakabhaka nokubomvu kunemiphumela ebalulekile ekukhuleni kwezinhlobo ezimbili zamatamatisi.Ukuqina kwesiqu, ukusha, isisindo esomile kanye nenkomba yezithombo eqinile ziphakeme kakhulu kunalezo zokulawula.Kodwa kukhona umehluko omncane phakathi kwezinhlobonhlobo.Utamatisi "u-Israel Hongfeng" ngaphansi kokwelashwa okukhanyayo okubomvu nokuluhlaza okwesibhakabhaka, isisindo sawo esisha, isisindo esomile kanye nenkomba yezithombo eqinile konke kufinyelele amanani amakhulu, futhi kwakukhona umehluko omkhulu nezinye izindlela zokwelapha;utamatisi "i-Dutch Red Powder" ngaphansi kokwelashwa kokukhanya okubomvu.Ubude besitshalo saso, ukujiya kwesiqu, ubude bezimpande, isisindo esisha, nesisindo esomile konke kwafinyelela amanani amakhulu, futhi kwaba nomehluko omkhulu kwezinye izindlela zokwelapha.
Ngaphansi kokukhanya okubomvu, ukuphakama kwesitshalo kwezithombo zikatamatisi kwakuphakeme kakhulu kunokulawula.Ukukhanya okubomvu kudlala indima ebalulekile ekukhuthazeni ukwelulwa kwesiqu, ukukhuphuka kwezinga le-photosynthesis kanye nokunqwabelana kwezinto ezomile.Ukwengeza, ukufaka ukukhanya okubomvu kungase futhi kwandise kakhulu ubude bezimpande zikatamatisi "i-powder ebomvu yaseDutch", efana nocwaningo lwamakhukhamba, okubonisa ukuthi ukukhanya okubomvu kungabuye kukhuthaze Indima yezimpande zezinwele.Ngaphansi kokwengezwa kokukhanya okubomvu nokuluhlaza okwesibhakabhaka, inkomba yezithombo eqinile yezithombo ezintathu zemifino yayiphezulu kakhulu kunaleyo yokulawula.
Inhlanganisela ye-spectrum ye-LED ebomvu neluhlaza okwesibhakabhaka inomthelela omuhle ekukhuleni nasekuthuthukisweni kwezitshalo, okungcono kunokwelashwa kokukhanya kwe-monochromatic.Umthelela we-LED ebomvu ekukhuleni kwesipinashi awubonakali, futhi inkomba ye-morphology yokukhula yesipinashi ithuthukiswa kakhulu ngemva kokwengeza i-LED eluhlaza okwesibhakabhaka.I-bioaccumulation ye-sugar beet ekhule ngaphansi kokukhanya okuhlangene kwe-spectrum ye-LED ebomvu neluhlaza okwesibhakabhaka inkulu, ukuqoqwa kwe-betain empandeni yezinwele kubalulekile, futhi ukuqoqwa kukashukela kanye nesitashi esiphezulu kukhiqizwa ezimpandeni zezinwele.Olunye ucwaningo lukholelwa ukuthi inhlanganisela yezibani ze-LED ezibomvu neziluhlaza okwesibhakabhaka ingakhuphula izinga le-photosynthetic eliphelele ukuze kuthuthukiswe ukukhula nokuthuthuka kwezitshalo ngenxa yokuthi ukusabalalisa kwamandla okubonwayo kokukhanya okubomvu nokuluhlaza okwesibhakabhaka kuhambisana ne-spectrum yokumuncwa kwe-chlorophyll.Ngaphezu kwalokho, ukwengezwa kokukhanya okuluhlaza okwesibhakabhaka kunemiphumela emihle esisindweni esisha, isisindo esomile kanye nenkomba eqinile yezithombo zezithombo zikatamatisi.Ukukhanya okuluhlaza okwesibhakabhaka esiteji sezithombo kungabuye kukhuthaze ukukhula kwezithombo zikatamatisi, okuvumela ukutshalwa kwezithombo ezinamandla.Lolu cwaningo luphinde lwathola ukuthi ukwengeza ngokukhanya okuphuzi kwandisa kakhulu okuqukethwe kwe-chlorophyll ne-carotenoids kutamatisi "Israel Hongfeng".Imiphumela yocwaningo ibonise ukuthi ukukhanya okuluhlaza kukhuthaza ukukhula ngokushesha kwezithombo ze-Arabidopsis chlorosis, futhi kunenkolelo yokuthi isignali yokukhanya entsha ecushwe ukukhanya okuluhlaza ikhuthaza ukwelulwa kwesiqu futhi iphikisana nokuvimbela ukukhula.
Iziphetho eziningi ezitholwe kulokhu kuhlolwa ziyafana noma ziyefana nalezo ezandulelayo, eziqinisekisa isimo esikhethekile se-LED spectrum ekukhuleni kwezitshalo.Umphumela wekhwalithi yokukhanya ku-morphogenesis yokudla kanye nezici zomzimba zezithombo zezitshalo ubalulekile, okubalulekile ekukhiqizeni.Sebenzisa ikhwalithi yokukhanya eyengeziwe ukuze uhlakulele izithombo eziqinile ukuze unikeze isisekelo sethiyori kanye nemingcele yobuchwepheshe engenzeka.Kodwa-ke, ukukhanya okungeziwe kwe-LED kuseyinqubo eyinkimbinkimbi kakhulu.Ngokuzayo, kuyadingeka ukuhlola ngokuhlelekile imiphumela nezindlela zezinto ezikhanyayo zemvelo ezifana ne-spectrum ehlukene (ikhwalithi yokukhanya) amandla (ukukhanya kwe-quantum density) ukusatshalaliswa kanye ne-photoperiod ekukhuleni kwezithombo zezitshalo, ukuze kutshalwe izithombo zezakhiwo zefektri. .Ukulawulwa okunengqondo kwendawo yaseZhongguang kunikeza amabhentshimakhi.

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Isikhathi sokuthumela: Jul-28-2020