Ngwa nke LED na-eto ọkụ na ihe ọkụkụ ụlọ na mmetụta ya na uto ihe ọkụkụ

Onye edemede: Yamin Li na Houcheng Liu, wdg, si College of Horticulture, South China Agriculture University

Isi mmalite edemede: Greenhouse Horticulture

Ụdị ụlọ ọrụ ihe ọkụkụ na-agụnyekarị ụlọ griin haus rọba, ụlọ griin haus nke anyanwụ, ụlọ griin ha dị ọtụtụ, na ụlọ mmepụta ihe.N'ihi na ụlọ ihe owuwu na-egbochi ebe ọkụ sitere n'okike ruo n'ókè ụfọdụ, enweghi ọkụ ime ụlọ zuru oke, nke na-ebelata ihe ọkụkụ na ịdị mma.Ya mere, ìhè mgbakwunye na-arụ ọrụ dị mkpa na ihe ọkụkụ dị elu na nke dị elu nke ụlọ ọrụ ahụ, ma ọ ghọwokwa isi ihe na-eme ka mmụba nke ike ike na ụgwọ ọrụ na ụlọ ọrụ ahụ.

N'ihi na ogologo oge, artificial ìhè isi mmalite na-eji na ubi nke eweta horticulture tumadi na-agụnye elu mgbali sodium oriọna, fluorescent oriọna, metal halogen oriọna, incandescent oriọna, wdg mwepu a ma ama bụ elu okpomọkụ mmepụta, elu ike oriri na elu ọrụ na-eri.Mmepe nke ọgbọ ọhụrụ ọkụ na-emitting diode (LED) na-eme ka o kwe omume iji ike ọkụ dị ala na-arụ ọrụ n'ọhịa nke ihe ọkụkụ.LED nwere uru dị elu nke mgbanwe mgbanwe fotoelectric dị elu, ike DC, obere olu, ogologo ndụ, obere ume ike, ogologo wavelength, obere radieshon ọkụ na nchebe gburugburu ebe obibi.Tụnyere na elu-nrụgide sodium oriọna na fluorescent oriọna a na-ejikarị eme ihe ugbu a, LED nwere ike ọ bụghị naanị ịgbanwe ìhè nke ukwu na àgwà (ọnụ ọgụgụ nke dị iche iche band ìhè) dị ka mkpa nke osisi ibu, na ike irradiate osisi na nso anya ruru n'ihi. ka ìhè oyi ya, Ya mere, ọnụ ọgụgụ nke cultivation n'ígwé na ohere itinye n'ọrụ ọnụego nwere ike mma, na ọrụ nke ike ịzọpụta ike, gburugburu ebe obibi nchebe na ohere oru oma itinye n'ọrụ nke na-apụghị dochie anya omenala ìhè isi iyi nwere ike mezuru.

Dabere na uru ndị a, LED ejirila nke ọma mee ihe na ọkụ ọkụ horticultural, nyocha bụ isi nke gburugburu ebe a na-achịkwa, ọdịbendị anụ ahụ, osisi mmepụta ihe ọkụkụ na ikuku ikuku.N'ime afọ ndị na-adịbeghị anya, arụmọrụ nke ọkụ ọkụ na-eto eto na-akawanye mma, ọnụahịa ahụ na-ebelata, a na-emepụta ụdị ngwaahịa ọ bụla nwere ogologo ogologo ogologo oge nke nta nke nta, ya mere ngwa ya n'ọhịa nke ugbo na bayoloji ga-aba ụba.

Isiokwu a na-achikota nyocha ọnọdụ nke ikanam na ubi nke eweta horticulture, na-elekwasị anya na ngwa nke LED supplemental ìhè na ìhè bayoloji ntọala, LED eto ọkụ na osisi ìhè akpụ, nutritional àgwà na mmetụta nke igbu oge ịka nká, na-ewu na ngwa. nke usoro ọkụ, na nyocha na atụmanya nke nsogbu ugbu a na atụmanya nke teknụzụ mgbakwunye ọkụ LED.

Mmetụta nke ọkụ mgbakwunye LED na uto nke ihe ọkụkụ

Mmetụta nchịkwa nke ìhè na uto na mmepe osisi gụnyere mkpuru osisi, elongation stem, akwukwo na mgbọrọgwụ mmepe, phototropism, chlorophyll synthesis na decomposition, na induction ifuru.Ihe ndị dị na gburugburu ebe ọkụ na-agụnye ọkụ ọkụ, okirikiri ọkụ na nkesa spectral.Enwere ike imezi ihe ndị ahụ site na mgbakwunye ọkụ artificial na-enweghị njedebe nke ọnọdụ ihu igwe.

Ka ọ dị ugbu a, enwere ma ọ dịkarịa ala ụdị photoreceptors atọ n'ime osisi: phytochrome (na-enweta ọkụ na-acha uhie uhie na ìhè uhie dị anya), cryptochrome (na-enweta ìhè anụnụ anụnụ na nso ultraviolet ìhè) na UV-A na UV-B.Ojiji nke ọkụ ọkụ dị n'ogologo ogologo na-eme ka ihe ọkụkụ na-enwupụta ihe nwere ike imeziwanye arụmọrụ foto synthetic nke osisi, mee ka morphogenesis dị ngwa ngwa, ma kwalite uto na mmepe nke osisi.A na-eji ìhè oroma na-acha uhie uhie (610 ~ 720 nm) na ìhè violet na-acha anụnụ anụnụ (400 ~ 510 nm) mee ihe na photosynthesis osisi.N'iji teknụzụ LED, ọkụ monochromatic (dịka ọkụ na-acha uhie uhie na 660nm kacha elu, ọkụ na-acha anụnụ anụnụ nwere ọnụ ọgụgụ 450nm, wdg) nwere ike ịgbasa n'ahịrị na eriri absorption kacha ike nke chlorophyll, na obosara mpaghara spectral bụ naanị ± 20 nm.

A na-kweere ugbu a na-acha uhie uhie-oroma ìhè ga-budata mee ngwangwa mmepe nke osisi, na-akwalite ìgwè akọrọ okwu, guzobe bulbs, tubers, akwukwo bulbs na ndị ọzọ osisi akụkụ, na-eme ka osisi na-oge ntoju na-amị mkpụrụ mbụ, na-egwu egwu. ọrụ na-eduga na nkwalite agba osisi;Ìhè na-acha anụnụ anụnụ na violet nwere ike ịchịkwa phototropism nke akwụkwọ osisi, na-akwalite oghere stomata na mmegharị chloroplast, na-egbochi elongation stem, gbochie ịgbatị osisi, igbu oge okooko osisi, ma kwalite uto nke akụkụ ahụ ahịhịa;Nchikota nke uhie na-acha anụnụ anụnụ LEDs nwere ike kwụọ ụgwọ maka ezughị ezu ìhè nke otu agba nke abụọ na-etolite a ụdịdị absorption ọnụ ọgụgụ nke bụ ihu ọma kwekọrọ akuku photosynthesis na morphology.Ọnụego ojiji ike ọkụ nwere ike iru 80% ruo 90%, yana mmetụta nchekwa ike dị mkpa.

Ejiri ọkụ mgbakwunye LED na-arụ ọrụ ubi nwere ike nweta mmụba dị ukwuu na mmepụta.Nnyocha egosiwo na ọnụ ọgụgụ nke mkpụrụ osisi, mkpokọta mmepụta na ịdị arọ nke tomato cherry ọ bụla n'okpuru ìhè mgbakwunye nke 300 μmol / (m²·s) eriri LED na tubes LED maka 12h (8: 00-20: 00) dị oke mkpa. mụbara.Ọkụ mgbakwunye nke eriri LED abawanyela site na 42.67%, 66.89% na 16.97% n'otu n'otu, na mgbakwunye ọkụ nke tube LED abawanyela site na 48.91%, 94.86% na 30.86% n'otu n'otu.Ihe mgbakwunye ọkụ LED nke LED na-eto ọkụ ọkụ n'oge oge uto niile (oke nke uhie na-acha anụnụ anụnụ bụ 3: 2, yana ike ọkụ bụ 300 μmol / (m²·s)) nwere ike ịbawanye ogo mkpụrụ osisi na mkpụrụ. kwa nkeji mpaghara chiehwa na eggplant.Chikuquan mụbara site na 5.3% na 15.6%, na eggplant mụbara site na 7.6% na 7.8%.Site na LED ìhè àgwà na ike ya na oge nke dum ibu oge, osisi ibu okirikiri nwere ike dị mkpụmkpụ, na azụmahịa mkpụrụ, nutritional àgwà na morphological uru nke ugbo ngwaahịa nwere ike mma, na elu-arụmọrụ, ike-azọpụta na nwere ọgụgụ isi mmepụta nke ihe ọkụkụ ubi ubi nwere ike imezu.

Ngwa nke ọkụ mgbaju ọkụ LED na-akụ mkpụrụ osisi

Ịchịkwa morphology osisi na uto na mmepe site na isi iyi ọkụ LED bụ teknụzụ dị mkpa n'ọhịa nke griin haus.Osisi ndị dị elu nwere ike ịhụ ma nata akara ọkụ site na sistemu fotoreceptor dị ka phytochrome, cryptochrome, na photoreceptor, ma na-eme mgbanwe morphological site na ndị ozi intracellular iji hazie anụ ahụ na akụkụ osisi.Photomorphogenesis pụtara na osisi na-adabere na ìhè iji chịkwaa ọdịiche dị n'etiti cell, mgbanwe nhazi na arụ ọrụ, yana nhazi nke anụ ahụ na akụkụ ahụ, gụnyere mmetụta na germination nke mkpụrụ ụfọdụ, nkwalite nke akara apical, mgbochi nke mpụta nwa osisi, elongation. , na tropism.

Ịkụ mkpụrụ osisi inine bụ akụkụ dị mkpa nke ọrụ ugbo.Ihu igwe na-aga n'ihu ga-eme ka ìhè ezughị ezu na ụlọ ọrụ ahụ, na seedlings na-adịkarị mfe ịgbatị, nke ga-emetụta uto nke akwụkwọ nri, ọdịiche nke ifuru ifuru na mmepe mkpụrụ osisi, na-emetụta mkpụrụ na àgwà ha.Na mmepụta, a na-eji ụfọdụ ndị na-ahụ maka uto osisi, dị ka gibberellin, auxin, paclobutrasol na chlormequat, na-achịkwa uto nke mkpụrụ osisi.Otú ọ dị, iji ezi uche na-adịghị na-eji ndị na-achịkwa ihe ọkụkụ na-eto eto nwere ike imetọ gburugburu ebe obibi akwụkwọ nri na akụrụngwa n'ụzọ dị mfe, ahụike mmadụ adịghị mma.

Ìhè mgbakwunye LED nwere ọtụtụ uru pụrụ iche nke ìhè mgbakwunye, ọ bụkwa ụzọ dị mma isi jiri ọkụ mgbakwunye LED bulie mkpụrụ.N'ime ọkụ mgbakwunye LED [25 ± 5 μmol / (m²·s)] nnwale emere n'okpuru ọnọdụ nke obere ọkụ [0 ~ 35 μmol / (m²·s)], a chọpụtara na ọkụ ndụ ndụ na-akwalite elongation na uto nke kukumba osisi.Ìhè na-acha uhie uhie na ọkụ na-acha anụnụ anụnụ na-egbochi uto mkpụrụ osisi.E jiri ya tụnyere ọkụ na-adịghị ike nke eke, ndepụta mkpụrụ osisi siri ike nke mkpụrụ osisi agbakwunyere na-acha ọbara ọbara na ọkụ na-acha anụnụ anụnụ mụbara site na 151.26% na 237.98%, n'otu n'otu.E jiri ya tụnyere ịdị mma monochromatic, ndepụta nke mkpụrụ osisi siri ike nke nwere ihe na-acha ọbara ọbara na-acha anụnụ anụnụ n'okpuru ọgwụgwọ nke ọkụ mgbakwunye ọkụ mụbara site na 304.46%.

Ịgbakwunye ọkụ na-acha uhie uhie na kukumba seedlings nwere ike ime ka ọnụ ọgụgụ nke ezigbo akwụkwọ, mpaghara akwukwo, elu osisi, dayameta steepụ, akọrọ na ọhụrụ àgwà, ike seedling index, mgbọrọgwụ vitality, SOD ọrụ na soluble protein ọdịnaya nke kukumba seedlings.Ịgbakwunye UV-B nwere ike ịbawanye ọdịnaya nke chlorophyll a, chlorophyll b na carotenoids na akwụkwọ osisi kukumba.Tụnyere eke ìhè, supplementing na-acha uhie uhie na-acha anụnụ anụnụ Ikanam nwere ike budata dịkwuo akwukwo ebe, akọrọ okwu àgwà na ike seedling index nke tomato seedlings.Ịgbakwunye ọkụ na-acha uhie uhie na ọkụ akwụkwọ ndụ akwụkwọ ndụ na-abawanye ụba na ịdị elu nke mkpụrụ osisi tomato.The LED green ìhè mgbaju ìhè ọgwụgwọ nwere ike budata dịkwuo biomass nke kukumba na tomato seedlings, na ọhụrụ na akọrọ arọ nke seedlings na-abawanye na-abawanye nke green ìhè mgbaju ìhè ike, mgbe oké azuokokoosisi na ike seedling index nke tomato. mkpụrụ osisi niile na-eso ọkụ mgbakwunye ndụ ndụ ndụ.Mmụba nke ike na-abawanye.The Nchikota nke ikanam-acha ọbara ọbara na-acha anụnụ anụnụ ìhè nwere ike dịkwuo azuokokoosisi ọkpụrụkpụ, akwukwo ebe, akọrọ arọ nke dum osisi, mgbọrọgwụ gbaa ruru, na ike seedling index nke eggplant.E jiri ya tụnyere ọkụ na-acha ọcha, ọkụ na-acha uhie uhie LED nwere ike ịbawanye biomass nke mkpụrụ osisi kabeeji ma kwalite uto elongation na mgbasawanye akwukwo nke osisi kabeeji.Ikanam-acha anụnụ anụnụ ìhè na-akwalite na oké ibu, akọrọ okwu mkpokọta na ike seedling index nke kabeeji seedlings, na-eme ka kabeeji seedlings dwarf.Nsonaazụ ndị dị n'elu na-egosi na uru nke mkpụrụ osisi inine nke a na-eji teknụzụ ụkpụrụ ọkụ na-akọ bụ ihe doro anya.

Mmetụta nke ọkụ mgbakwunye ọkụ LED na àgwà nri mkpụrụ osisi na akwụkwọ nri

Protein, sugar, organic acid na vitamin dị na mkpụrụ osisi na akwụkwọ nri bụ ihe oriri na-edozi ahụ nke bara uru nye ahụike mmadụ.Ọdịmma ọkụ nwere ike imetụta ọdịnaya VC dị na osisi site na ịhazi ọrụ nke njikọ VC na enzyme decomposing, yana ọ nwere ike ịhazi protein metabolism na mkpokọta carbohydrate na osisi horticultural.Ìhè na-acha uhie uhie na-akwalite mkpokọta carbohydrate, ọgwụgwọ ọkụ na-acha anụnụ anụnụ na-aba uru na nhazi protein, ebe nchikota nke uhie na-acha anụnụ anụnụ nwere ike ime ka ihe ọkụkụ dịkwuo mma karịa nke ìhè monochromatic.

Ịtinye ọkụ ọkụ na-acha uhie uhie ma ọ bụ na-acha anụnụ anụnụ nwere ike ibelata ọdịnaya nitrate na letus, na-agbakwụnye ọkụ na-acha anụnụ anụnụ ma ọ bụ akwụkwọ ndụ akwụkwọ ndụ LED nwere ike ịkwalite nchịkọta nke soluble sugar na letus, na ịgbakwunye ọkụ infrared LED na-enyere aka nchịkọta VC na letus.Nsonaazụ gosiri na mgbakwunye na-acha anụnụ anụnụ nwere ike imeziwanye ọdịnaya VC na protein soluble nke tomato;ìhè na-acha uhie uhie na-acha anụnụ anụnụ na-acha anụnụ anụnụ jikọtara ìhè nwere ike ịkwalite shuga na ọdịnaya acid nke mkpụrụ tomato, na oke shuga na acid bụ nke kachasị elu n'okpuru ìhè anụnụ anụnụ jikọtara ọnụ;ọkụ na-acha anụnụ anụnụ jikọtara ọnụ nwere ike imezi ọdịnaya VC nke mkpụrụ kukumba.

The phenols, flavonoids, anthocyanins na ndị ọzọ bekee na mkpụrụ osisi na akwụkwọ nri ọ bụghị nanị na-enwe mmetụta dị mkpa na agba, ekpomeekpo na ngwa ahịa uru nke mkpụrụ osisi na akwụkwọ nri, ma na-enwe eke antioxidant ọrụ, na ike n'ụzọ dị irè igbochi ma ọ bụ wepụ free radicals na ahụ mmadụ.

Iji ọkụ acha anụnụ anụnụ iji gbakwunye ìhè nwere ike ịbawanye ọdịnaya anthocyanin nke akpụkpọ anụ eggplant site na 73.6%, ebe ị na-eji ọkụ na-acha uhie uhie na nchikota nke uhie na-acha anụnụ anụnụ nwere ike ịbawanye ọdịnaya nke flavonoids na mkpokọta phenols.Ìhè na-acha anụnụ anụnụ nwere ike ịkwalite mkpokọta lycopene, flavonoids na anthocyanins na mkpụrụ osisi tomato.Nchikota nke uhie na-acha anụnụ anụnụ na-akwalite mmepụta nke anthocyanins ruo n'ókè ụfọdụ, ma na-egbochi njikọ nke flavonoids.E jiri ya tụnyere ọgwụgwọ ọkụ na-acha ọcha, ọgwụgwọ ọkụ na-acha ọbara ọbara nwere ike ịbawanye ọdịnaya anthocyanin nke ome letus, mana ọgwụgwọ ọkụ na-acha anụnụ anụnụ nwere ọdịnaya anthocyanin kacha ala.Mkpokọta phenol ọdịnaya nke akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ na-acha uhie uhie letus bụ elu n'okpuru na-acha ọcha ìhè, red-acha anụnụ anụnụ jikọtara ìhè na-acha anụnụ anụnụ ọgwụgwọ, ma ọ bụ ndị kasị ala n'okpuru red ìhè ọgwụgwọ.Ịgbakwunye ọkụ ultraviolet LED ma ọ bụ ọkụ oroma nwere ike ịbawanye ọdịnaya nke ogige phenolic na akwụkwọ letus, ebe ịgbakwunye ọkụ ndụ ndụ nwere ike ịbawanye ọdịnaya nke anthocyanins.Ya mere, iji LED na-eto ọkụ bụ ụzọ dị irè isi chịkwaa àgwà nri nke mkpụrụ osisi na akwụkwọ nri n'ime ihe ọkụkụ.

Mmetụta nke ọkụ mgbakwunye LED na mgbochi ịka nká nke osisi

Mbibi chlorophyll, mfu protein ngwa ngwa na RNA hydrolysis n'oge ịta ahịhịa na-egosipụtakarị dị ka senescence akwukwo.Chloroplasts na-enwe mmetụta nke ukwuu maka mgbanwe na gburugburu ìhè mpụga, karịsịa na-emetụta àgwà ọkụ.Ìhè na-acha uhie uhie, ìhè na-acha anụnụ anụnụ na-acha anụnụ anụnụ na-acha anụnụ anụnụ na-enyere aka na chloroplast morphogenesis, ìhè na-acha anụnụ anụnụ na-eme ka nchịkọta nke ọka starch na chloroplasts, na, ìhè na-acha uhie uhie na ìhè na-acha uhie uhie na-enwe mmetụta ọjọọ na mmepe chloroplast.Nchikota nke-acha anụnụ anụnụ ìhè na-acha ọbara ọbara na-acha anụnụ anụnụ ìhè nwere ike ịkwalite njikọ nke chlorophyll na kukumba seedling epupụta, na Nchikota red na-acha anụnụ anụnụ ìhè nwekwara ike igbu oge attenuation nke akwukwo chlorophyll ọdịnaya ke ukperedem ogbo.Mmetụta a na-apụta ìhè karịa na mbelata nke nha ọkụ uhie na mmụba nke oke ọkụ na-acha anụnụ anụnụ.Ọdịnaya chlorophyll nke mkpụrụ osisi kukumba n'okpuru ọkụ ọkụ na-acha uhie uhie na acha anụnụ anụnụ dị elu karịa nke dị n'okpuru njikwa ọkụ fluorescent yana ọgwụgwọ monochromatic red na blue light.Ọkụ na-acha anụnụ anụnụ LED nwere ike ịbawanye uru chlorophyll a/b nke Wutacai na ahịhịa galik green.

N'oge senescence, enwere cytokinins (CTK), auxin (IAA), mgbanwe ọdịnaya acid abscisic (ABA) na mgbanwe dị iche iche na ọrụ enzyme.Ọdịnaya nke homonụ osisi na-emetụta ngwa ngwa site na gburugburu ìhè.Àgwà ọkụ dị iche iche nwere mmetụta nchịkwa dị iche iche na hormones osisi, na nzọụkwụ mbụ nke ụzọ ntụgharị ọkụ ọkụ gụnyere cytokinins.

CTK na-akwalite mgbasawanye nke mkpụrụ ndụ akwụkwọ, na-eme ka akwụkwọ photosynthesis dịkwuo mma, ebe ọ na-egbochi ọrụ nke ribonuclease, deoxyribonuclease na protease, na-egbu oge mmebi nke nucleic acid, proteins na chlorophyll, ya mere ọ nwere ike igbu oge nke akwụkwọ.Enwere mmekọrịta dị n'etiti ìhè na ụkpụrụ mmepe nke mgbasa ozi CTK, na ọkụ nwere ike ịkpalite mmụba nke ọkwa cytokinin endogenous.Mgbe anụ ahụ osisi nọ n'ọnọdụ ịdị mma, ọdịnaya cytokinin endogenous ha na-ebelata.

IAA na-etinyekarị uche na akụkụ nke uto siri ike, yana ọdịnaya dị ntakịrị na anụ ahụ ma ọ bụ akụkụ ahụ ịka nká.Ìhè violet nwere ike ịbawanye ọrụ nke indole acetic acid oxidase, yana ọkwa IAA dị ala nwere ike igbochi elongation na uto nke osisi.

A na-etolite ABA tumadi na anụ ahụ akwụkwọ nri, mkpụrụ osisi tozuru oke, mkpụrụ osisi, ị ga, mgbọrọgwụ na akụkụ ndị ọzọ.Ọdịnaya ABA nke kukumba na kabeeji n'okpuru nchikota uhie na-acha anụnụ anụnụ dị ala karịa nke ìhè ọcha na ìhè anụnụ anụnụ.

Peroxidase (POD), superoxide dismutase (SOD), ascorbate peroxidase (APX), catalase (CAT) dị mkpa na enzymes nchebe metụtara ọkụ na osisi.Ọ bụrụ na osisi na-aka nká, ọrụ nke enzymes ndị a ga-ebelata ngwa ngwa.

Àgwà ọkụ dị iche iche nwere mmetụta dị ukwuu na ọrụ enzyme antioxidant osisi.Mgbe ụbọchị 9 nke ọgwụgwọ ọkụ na-acha ọbara ọbara gasịrị, ọrụ APX nke mkpụrụ n'ike n'ike mụbara nke ukwuu, ọrụ POD belatara.Ọrụ POD nke tomato mgbe ụbọchị 15 nke ọkụ na-acha uhie uhie na ìhè anụnụ anụnụ dị elu karịa nke ìhè ọcha site na 20.9% na 11.7%, n'otu n'otu.Mgbe ụbọchị 20 nke ọgwụgwọ ọkụ akwụkwọ ndụ akwụkwọ ndụ gasịrị, ọrụ POD nke tomato bụ nke kachasị ala, naanị 55.4% nke ìhè ọcha.Ịgbakwunye ọkụ na-acha anụnụ anụnụ nke 4h nwere ike ịbawanye ọdịnaya protein soluble, POD, SOD, APX na CAT enzyme na akwụkwọ kukumba n'oge mgbụsị akwụkwọ.Na mgbakwunye, ọrụ SOD na APX ji nwayọọ nwayọọ na-ebelata site na ịgbatị ìhè.Ọrụ SOD na APX n'okpuru ọkụ na-acha anụnụ anụnụ na ọkụ uhie na-ebelata nwayọọ nwayọọ mana ọ na-adị elu karịa nke ọkụ ọcha.Mgbasa ọkụ na-acha uhie uhie belatara nke ukwuu ọrụ peroxidase na IAA peroxidase nke akwụkwọ tomato na IAA peroxidase nke akwụkwọ eggplant, mana mere ka ọrụ peroxidase nke akwụkwọ eggplant mụbaa nke ukwuu.Ya mere, ịnakwere atụmatụ mgbakwụnye ọkụ ọkụ LED nwere ezi uche nwere ike gbuo oge nke ọma nke ihe ọkụkụ ubi ma kwalite mkpụrụ na ịdị mma.

Ewu na ngwa nke LED ìhè usoro

Uto na mmepe nke osisi na-emetụta nke ọma site n'ịdị mma ọkụ na oke ihe mejupụtara ya.Usoro ọkụ na-agụnye ọtụtụ ihe dị ka ogo ọkụ ọkụ, ike ọkụ na oge ọkụ.Ebe ọ bụ na osisi dị iche iche nwere ihe dị iche iche chọrọ maka ọkụ na ọkwa dị iche iche na mmepe mmepe, nchịkọta kachasị mma nke àgwà ọkụ, ọkụ ọkụ na oge mgbakwunye ọkụ chọrọ maka ihe ọkụkụ a kụrụ.

 Oke ụdịdị dị ọkụ

Tụnyere na-acha ọcha ìhè na otu red na-acha anụnụ anụnụ ìhè, Nchikota LED red na-acha anụnụ anụnụ ìhè nwere a keukwu uru na uto na mmepe nke kukumba na kabeeji seedlings.

Mgbe ruru nke red na-acha anụnụ anụnụ ìhè bụ 8: 2, osisi azuokokoosisi ọkpụrụkpụ, osisi elu, osisi akọrọ arọ, ọhụrụ arọ, ike seedling index, wdg, na-n'ụzọ budata ụba, na ọ bụkwa uru na guzobe chloroplast matrix na. basal lamella na mmepụta nke assimilation ihe.

Iji nchikota nke uhie, akwụkwọ ndụ akwụkwọ ndụ na-acha anụnụ anụnụ na-acha uhie uhie na-acha uhie uhie na-aba uru maka nchịkọta ihe ọkụkụ ya, na ìhè akwụkwọ ndụ akwụkwọ ndụ nwere ike ịkwalite nchịkọta ihe ọkụkụ nke mkpụrụ osisi uhie.Uto na-apụta ìhè mgbe oke nke uhie, akwụkwọ ndụ akwụkwọ ndụ na-acha anụnụ anụnụ bụ 6: 2: 1.The red agwa pulite seedling akwukwo nri hypocotyl elongation mmetụta kasị mma n'okpuru red na-acha anụnụ anụnụ ìhè ruru nke 8:1, na-acha uhie uhie agwa pulite hypocotyl elongation doro anya na-egbochi n'okpuru red na-acha anụnụ anụnụ ìhè ruru 6:3, ma soluble protein. ọdịnaya bụ nke kasị elu.

Mgbe oke nke uhie na-acha anụnụ anụnụ bụ 8: 1 maka mkpụrụ osisi loofah, ndepụta mkpụrụ osisi siri ike na ọdịnaya shuga soluble nke loofah seedlings bụ nke kachasị elu.Mgbe ị na-eji àgwà ọkụ nwere oke nke uhie na-acha anụnụ anụnụ nke 6: 3, chlorophyll a ọdịnaya, chlorophyll a/b ratio, na protein ọdịnaya soluble nke loofah seedlings bụ ndị kasị elu.

Mgbe ị na-eji 3: 1 ruru nke uhie na-acha anụnụ anụnụ na celery, ọ nwere ike ịkwalite mmụba nke elu osisi celery, ogologo petiole, ọnụ ọgụgụ akwụkwọ, àgwà akọrọ, ọdịnaya VC, ọdịnaya protein soluble na ọdịnaya shuga soluble.N'ịkụ mkpụrụ tomato, ịba ụba nke ọkụ na-acha anụnụ anụnụ LED na-akwalite nhazi nke lycopene, amino acids na flavonoids, na ịba ụba nke ọkụ na-acha uhie uhie na-akwalite nhazi nke acid titratable.Mgbe ìhè na nha nke uhie na-acha anụnụ anụnụ na akwụkwọ letus bụ 8: 1, ọ bara uru na nchịkọta carotenoids, ma na-ebelata ọdịnaya nke nitrate nke ọma ma na-abawanye ọdịnaya nke VC.

 Ike ọkụ

Osisi ndị na-eto eto n'okpuru ọkụ adịghị ike na-enwekarị ike igbochi photoinhibition karịa n'okpuru ọkụ siri ike.Ọnụego net photoynthetic nke mkpụrụ osisi tomato na-abawanye na mmụba nke ike ọkụ [50, 150, 200, 300, 450, 550μmol/(m²·s)], na-egosi usoro nke mbụ na-abawanye wee na-ebelata, yana na 300μmol / (m²). ·s) iru kacha.Ogologo osisi, mpaghara akwukwo, ọdịnaya mmiri na ọdịnaya VC nke letus mụbara nke ukwuu n'okpuru 150μmol/(m²·s) ọgwụgwọ ike ọkụ.N'okpuru 200μmol / (m²·s) ọgwụgwọ ike ọkụ, ịdị ọhụrụ dị arọ, ngụkọta arọ na ọdịnaya nke amino acid n'efu ka abawanyela nke ukwuu, yana n'okpuru ọgwụgwọ 300μmol / (m²·s) ọkụ ọkụ, mpaghara akwukwo, ọdịnaya mmiri. , chlorophyll a, chlorophyll a+b na carotenoids nke letus niile belatara.Tụnyere ọchịchịrị, na mmụba nke LED na-eto ike ọkụ [3, 9, 15 μmol/(m²·s)], ọdịnaya chlorophyll a, chlorophyll b, na chlorophyll a+b nke ahịhịa ojii mụbara nke ukwuu.Ọdịnaya VC kachasị elu na 3μmol/(m²·s), na protein soluble, shuga soluble na ọdịnaya sucrose bụ nke kachasị elu na 9μmol/(m²·s).N'okpuru otu ọnọdụ okpomọkụ, na mmụba nke ìhè ike [(2 ~ 2.5) lx × 103 lx, (4 ~ 4.5) lx × 103 lx, (6 ~ 6.5) lx × 103 lx], oge seedling nke ose seedlings. na-ebelata, ọdịnaya nke sugar soluble mụbara, ma ọdịnaya nke chlorophyll a na carotenoids ji nwayọọ nwayọọ na-ebelata.

 Oge ọkụ

Ịgbatị oge ọkụ nke ọma nwere ike ibelata nrụgide ọkụ dị ala nke ọkụ ọkụ na-ezughị ezu na-akpata ruo n'ókè ụfọdụ, nyere aka nchịkọta nke ngwaahịa photosynthesis nke ubi horticultural, ma nweta mmetụta nke ịba ụba mkpụrụ na imeziwanye mma.Ọdịnaya VC nke pulitere gosipụtara usoro na-abawanye nke nta nke nta site na ịgbatị oge ọkụ (0, 4, 8, 12, 16, 20h / ụbọchị), ebe ọdịnaya amino acid n'efu, ihe omume SOD na CAT gosipụtara na-agbadata ọnọdụ.Site na ịgbatị oge ọkụ (12, 15, 18h), ịdị arọ ọhụrụ nke osisi kabeeji China mụbara nke ukwuu.Ọdịnaya nke VC na akwụkwọ na stalks nke Chinese kabeeji kacha elu na 15 na 12h, n'otu n'otu.Ọdịnaya protein soluble nke akwụkwọ kabeeji China ji nwayọọ nwayọọ na-ebelata, mana ọka ndị ahụ kacha elu mgbe awa 15 gachara.Ọdịnaya shuga soluble nke akwụkwọ kabeeji ndị China ji nwayọọ nwayọọ na-abawanye, ebe stalks kacha elu na awa 12.Mgbe ruru nke-acha uhie uhie na-acha anụnụ anụnụ ìhè bụ 1: 2, tụnyere 12h ìhè oge, 20h ìhè ọgwụgwọ ebelata ikwu ọdịnaya nke ngụkọta phenols na flavonoids na green akwukwo letus, ma mgbe ruru nke-acha uhie uhie na-acha anụnụ anụnụ ìhè bụ 2:1. na 20h ìhè ọgwụgwọ budata ụba ikwu ọdịnaya nke ngụkọta phenols na flavonoids na green akwukwo letus.

Site na nke dị n'elu, a pụrụ ịhụ na usoro ọkụ dị iche iche nwere mmetụta dị iche iche na photosynthesis, photomorphogenesis na carbon na nitrogen metabolism nke ụdị ihe ọkụkụ dị iche iche.Otu esi enweta usoro ọkụ kachasị mma, nhazi ọkụ ọkụ na ịmepụta usoro nchịkwa nwere ọgụgụ isi na-achọ ụdị osisi dị ka mmalite, na, ekwesịrị ime mgbanwe kwesịrị ekwesị dịka mkpa ngwa ahịa nke ubi horticultural, ihe mgbaru ọsọ mmepụta, mmepụta ihe, wdg. iji nweta ihe mgbaru ọsọ nke njikwa ọgụgụ isi nke gburugburu ebe ọkụ na ihe ọkụkụ dị elu na nke dị elu na-emepụta ihe ọkụkụ n'okpuru ọnọdụ nchekwa ike.

Nsogbu na atụmanya dị adị

Uru dị ịrịba ama nke LED na-eto ọkụ bụ na ọ nwere ike ịme mgbanwe nchikota ọgụgụ isi dabere na ụdịdị dị iche iche nke njirimara photosynthetic, morphology, ogo na mkpụrụ osisi dị iche iche.Ụdị ihe ọkụkụ dị iche iche na oge uto dị iche iche nke otu ihe ọkụkụ niile nwere ihe dị iche iche chọrọ maka ịdị mma ọkụ, ọkụ ọkụ na photoperiod.Nke a na-achọ n'ihu mmepe na nkwalite nke ìhè usoro nnyocha na-etolite nnukwu ìhè usoro nchekwa data.Ejikọtara ya na nyocha na mmepe nke oriọna ndị ọkachamara, enwere ike nweta oke uru nke ọkụ mgbakwunye LED na ngwa ọrụ ugbo, ka ọ wee chekwaa ike ka mma, melite arụmọrụ mmepụta na uru akụ na ụba.Ngwa nke LED na-eto ọkụ n'ime ihe ọkụkụ ụlọ egosila ike dị ike, mana ọnụahịa nke akụrụngwa ọkụ ma ọ bụ ngwaọrụ dị oke elu, yana itinye ego otu oge buru ibu.Ihe mgbakwunye ọkụ chọrọ nke ihe ọkụkụ dị iche iche n'okpuru ọnọdụ gburugburu ebe obibi dị iche iche adịghị edozi, ụdị ọkụ ọkụ na-agbakwunye, ike na-enweghị ezi uche na oge na-eto eto ga-ebute nsogbu dị iche iche na ngwa nke ụlọ ọrụ ọkụ ọkụ.

Otú ọ dị, na ọganihu na nkwalite nke nkà na ụzụ na mbenata nke mmepụta ego nke LED na-eto ọkụ, LED supplementing ọkụ ga-ọtụtụ ebe na-arụ ọrụ ubi ubi.N'otu oge ahụ, mmepe na ọganihu nke LED supplementary light technology system na nchikota nke ume ọhụrụ ga-eme ka mmepe ngwa ngwa nke ọrụ ugbo, ọrụ ugbo ezinụlọ, ọrụ ugbo obodo na ọrụ ugbo na mbara igwe iji gboo mkpa ndị mmadụ maka ubi ubi na gburugburu pụrụ iche.

 


Oge nzipu: Mar-17-2021