Abstract: Zaub yub yog thawj kauj ruam hauv cov khoom lag luam, thiab cov khoom zoo ntawm cov noob yog qhov tseem ceeb rau cov zaub tom qab cog qoob loo tom qab cog. Nrog rau kev ua refinement tas mus li ntawm kev faib ua haujlwm hauv kev lag luam zaub, zaub tau maj mam tsim cov saw muaj kev lag luam ywj pheej. Cuam tshuam los ntawm huab cua tsis zoo, cov txheej txheem seedling inevitably ntsib ntau cov kev cov nyom ntawm seedlings, thiab kab tsuag thiab kab mob. Txhawm rau nrog cov ntoo leggy, ntau tus lag luam cov neeg tuaj yeem siv cov neeg tswj hwm kev loj hlob. Txawm li cas los xij, muaj kev pheej hmoo ntawm cov yub rigidity, zaub mov kev nyab xeeb thiab ib puag ncig kev sib kis nrog kev siv cov kev cai tswj hwm kev loj hlob. Ntxiv nrog rau cov kev tswj tshuaj, txawm hais tias kev tswj hwm tshuab, ntsuas dej kuj tuaj yeem ua lub luag haujlwm ntawm cov noob nyom, lawv tsis tshua yooj yim thiab yooj yim. Nyob rau hauv cov kev cuam tshuam ntawm lub ntiaj teb tshiab cov homid-19, cov teeb meem ntawm kev tswj kev tswj cov khoom muaj nqis thiab cov nqi zog ua haujlwm hauv kev lag luam seedling tau ua ntau dua.

Nrog rau kev txhim kho ntawm lub teeb pom kev zoo, kev siv cov khoom siv dag rau cov yub ntawm cov txiaj ntsig zoo, tsawg dua kab mob thiab cov kab mob yooj yim. Piv nrog cov tsoos teeb tsa, lub cim tshiab ntawm cov teeb meem coj muaj zog, kev ua haujlwm siab, loj me, qis dua wavelengthe. Nws tuaj yeem tsim cov khoom siv tsim nyog raws li kev loj hlob thiab kev txhim kho ntawm cov noob hauv cov nroj tsuag thiab cov kab mob metabolic, tib lub sijhawm muaj kuab lom, qauv thiab kev tsim kho sai sai ntawm cov zaub yub , thiab luv lub voj voog seedling. Nyob rau hauv South Suav, nws yuav siv li 60 hnub los ua kom muaj kua txob thiab nplooj txiv lws suav (3-4 qhov tseeb nplooj) hauv cov ntoo ntsuab yas, thiab txog 35 hnub rau nplooj ntoo (3-5 tseeb nplooj). Nyob rau hauv cov nroj tsuag Hoobkas tej yam kev mob, nws yuav siv sij hawm xwb 17 hnub los cog qoob loo rau hauv cov kev mob ntawm 20 h thiab ib PPF ntawm 200-300 μOLOL / (M2 • S). Piv nrog cov ris tsho cog qoob loo hauv tsev cog khoom, kev siv cov khoom cog ntoo LED , ntsig txog, thiab lub siab tshaj plaws tau nce los ntawm 71.44%.

Nyob rau hauv cov nqe lus ntawm kev siv hluav taws xob kev ua tau zoo, lub zog siv hluav taws xob kev ua tau zoo yog siab dua li ntawm cov tsev ntsuab-hom greenhouses ntawm tib lub latitudes. Piv txwv li, nyob rau hauv lub Hoobkas cog zaub Swedish, 1411 MJ yuav tsum tau tsim 1 kg ntawm qhuav teeb meem ntawm zaub xas lav, thaum 1699 MJ yuav tsum muaj nyob hauv ib lub tsev cog khoom. Txawm li cas los xij, yog tias lub xov tooj hluav taws xob uas yuav tsum muaj ib phaus ntawm cov zaub xas lav, thiab cov tsev cog khoom lub Hoobkas, thiab Tebchaws Meskas yuav tsum muaj 182 Kwa-kwah h, 70 • Hwj Laug Huas, hab 111 Kwa, hab ib leeg.

Nyob rau tib lub sijhawm, nyob rau hauv lub Hoobkas cog, siv cov khoos phis tawm, cov cuab yeej txawj hluav taws xob muaj peev xwm tswj tau cov kev txwv ib puag ncig, tau tshem cov kev txwv ntawm ntuj ib puag ncig, thiab paub txog cov neeg ntse, mechanized thiab txhua xyoo kev lag luam ruaj khov ntawm cov yub ntau lawm. Nyob rau hauv xyoo tsis ntev los no, cog Hoobkas seedlings tau siv hauv kev lag luam cov zaub nplooj, Kauslim teb chaws hauv Nyij Pooj, Europe thiab Tebchaws Asmeskas thiab lwm lub tebchaws. Lub siab pib peev ntawm cov roj cog, cov nqi ua haujlwm siab, thiab cov haujlwm loj loj yog cov khoom siv roj cog qoob loo hauv Suav teb cov khoom lag luam. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau coj mus rau hauv tus account cov kev xav tau ntawm cov tswv yim muaj zog, tsim cov khoom siv kev loj hlob, thiab cov khoom siv hluav taws xob txhawm rau txhim kho cov nyiaj txiag kev lag luam.

Hauv tsab xov xwm no, muaj lub teeb pom kev zoo ntawm kev loj hlob thiab kev txhim kho ntawm cov kev tshawb fawb ntawm cov zaub cov zaub ntawm cov nroj tsuag cog.

1. Cov teebmeem ntawm lub teeb ntawm lub teeb ntawm kev loj hlob thiab kev loj hlob ntawm zaub yub

Raws li ib qho ntawm cov chaw ib puag ncig tseem ceeb rau kev cog tsob ntoo kev loj hlob thiab kev loj hlob, tab sis kuj tseem yog lub teeb liab tseem ceeb cuam tshuam rau cog duab photoorphogenesis. Cov nroj tsuag paub cov kev taw qhia, lub zog thiab lub teeb zoo ntawm lub teeb liab los ntawm lub teeb liab kev loj hlob, tswj hwm lawv tus kheej kev loj hlob, thiab kev txhim kho, nthwv dej, kev siv thiab sijhawm ntawm lub teeb. Tam sim no cov paub tsob nroj cov photoceptors muaj tsawg kawg yog peb cov chav kawm: Phytochromes (Fryptochromes (Fryptochromes (Fin1) thiab cov ntsiab lus (Phot1 thiab Phot2), tus UV-B RECeptor UVR8 uas tsis nkag siab UV-B. Cov photoreceptors no koom nrog hauv thiab tswj cov ntsiab lus ntawm cov keeb kwm kev ua si xws li kev cog qoob loo, thiab ua siab ntev rau cov kev ntxhov siab ntawm cov kev ntxhov siab thiab kev tsim txom.

2. Kev cuam tshuam ntawm LED teeb tsa ib puag ncig ntawm photomorphical tsim cov zaub ntsuab

2.1 cuam tshuam ntawm cov teeb sib txawv ntawm photomorphogenesis ntawm zaub yub

Cov cheeb tsam liab thiab xiav ntawm lub spectrum muaj cov QEAM muaj ntau cov txiaj ntsig zoo rau cov nroj tsuag nplooj photosynthesis. Txawm li cas los xij, kev ncua ntev ntawm dib nplooj rau ntshiab liab lub teeb yuav puas tsuaj rau cov duab liab qab "xws li cov npe tsis sib xws thiab cov nitrogen siv efficiency, thiab kev loj hlob rov qab. Nyob rau hauv cov xwm txheej ntawm lub teeb tsis muaj teeb (100 ± 5 μmol / (M2 • S) rau liab thiab xiav lub teeb (R: B = 7: 3). Ntawm qhov tsis sib xws, thaum cov nroj tsuag dib hloov los ntawm cov xim liab-lub teeb pom kev zoo ib puag ncig, kev ua kom pom kev zoo nkauj liab, qhov kev yoog raws kev yoog raws qhov chaw teeb pom kev zoo. Los ntawm Electron tsom tsom xam ntawm cov nplooj ntoo ntawm cov ntoo nrog "cov tuab ntawm cov duab hmoov txhuv nplej siab", qhov loj ntawm cov hmoov txhuv nplej siab ", thiab cov tuab ntawm cov hmoov txhuv nplej siab tau qis dua cov nyob hauv qab Kho lub teeb dawb. Kev cuam tshuam ntawm lub teeb xiav kev txhim kho cov chaw ultrastructure thiab popileynthetic ntawm dib chloroplets thiab tshem tawm ntau dhau ntawm cov as-ham. Piv nrog lub teeb dawb thiab liab thiab xiav lub teeb pom kev zoo thiab ntau dua cov ntsiab lus ntawm cov zaub ntsuab, tab sis nce cov ntsiab lus ntawm cov duab kos thiab nplooj ntoos ntau ntxiv, thiab ntau dua tshav kub dissipation. Nws tuaj yeem pom tau hais tias ntau hom nroj tsuag teb txawv rau tib lub teeb pom kev zoo, tab sis piv nrog kev loj hlob monochynthes thiab muaj kev loj hlob ntau dua nyob rau hauv ib puag ncig ntawm lub teeb sib xyaw.

Cov kws tshawb nrhiav tau ua ntau cov kev tshawb fawb tau ua ntau txoj kev tshawb fawb txog qhov ua kom zoo ntawm lub teeb ci ua ke ntawm zaub yub. Nyob rau hauv tib lub teeb sib zog, nrog kev nce ntawm lub teeb liab, thiab dib cov noob tau txhim kho, kev txhim kho ntawm liab mus rau xiav ntawm 3: 1 muaj qhov zoo tshaj plaws; Ntawm qhov tsis sib xws, qhov sib piv ntawm lub teeb xiav nws inhibe kev loj hlob ntawm cov ntsiab lus thiab cov ntsiab lus ntawm cov ntsiab lus qhuav thiab chlorophyll nyob rau hauv cov tua ntawm seedlings. Cov qauv zoo sib xws tau pom hauv lwm cov qoob loo, xws li cov kua txob thiab cov dib liab. Ib qho ntxiv, piv nrog lub teeb dawb, liab thiab xiav lub teeb (R: B = 3: 1) Tsis yog txhim kho kev ua haujlwm ntawm cov txiv lws suav, tab sis kuj hais txog cov enzymes cuam tshuam Mus rau Calvin lub voj voog, kev noj zaub noj neeg tsis noj neeg thiab cov carbohydrate tsub kuj tseem txhim kho. Muab piv rau ob txoj kev sib piv ntawm liab thiab xiav lub teeb (R: B = 2: 1, 4: 1), nrawm dua rau cov paj ntoo thiab nrawm dua lub sijhawm paj Cov. Txawm hais tias kev sib txawv sib txawv ntawm cov xim liab thiab xiav tsis muaj qhov cuam tshuam ntawm lub teeb xiav (30% xiav teeb meem) thaj tsam ntawm Kindocotyl ntawm Kale thiab mustard seedlings, thaum Cotyledon xim tob tob. Yog li ntawd, hauv kev tsim cov noob, muaj qhov tsim nyog nce ntxiv ntawm cov zaub ntsuab, txhawb nqa cov noob lub zog ntsuas, uas yog qhov ua kom zoo rau Cultiven royust seedlings. Raws li cov xwm txheej uas lub teeb siv tsis hloov pauv, nce lub teeb ntsuab nyob rau hauv cov xim ntsuab, thaj chaw thiab tsob ntoo kom siab ntawm cov kua txob qab zib cov noob qoob loo. Piv nrog cov tsoos dawb fluorescent teeb, hauv qab liab-xiav (R3: B5), QP thiab Etr thiab Etr thiab aws Ntxiv rau UV teeb (100 μmol / (M2 • UV-a) rau cov qia xiav tau txo cov qia loj loj uas tau txo cov fr yog qhov rov qab. Qhov no tseem qhia tau tias ntxiv rau lub teeb liab thiab xiav, lwm txoj kev ua kom muaj lub teeb ua si tseem ceeb hauv cov txheej txheem ntawm cov nroj tsuag kev loj hlob thiab kev loj hlob. Txawm hais tias qee qhov chaw ultraviolet lub teeb lossis Fr yog lub zog ntawm photosynynthesis, ob leeg koom nrog hauv tsob nroj photomorphogenesis. Kev siv UV muaj kev phom sij rau cog cov DNA thiab cov protein, thiab lwm yam ua kom hloov cov nroj tsuag kev loj hlob, ua rau kev hloov kho kom haum rau kev hloov ib puag ncig. Cov kev tshawb fawb tau pom tias qis dua r / fr induces ntxoov ntxoo zam nyob rau hauv cov nroj tsuag, xws li qia zuj zus, nplooj thinning, thiab txo cov teeb meem yooj yim tawm los. Ib tug sender stalk tsis yog kev loj hlob zoo rau kev loj hlob muaj zog seedlings. Rau cov nplooj dav dav thiab txiv hmab txiv ntoo zaub, ruaj, cog qoob loo thiab elastic seedlings tsis muaj feem rau teeb meem thaum thauj mus los thiab cog qoob loo.

UV-ib qho tuaj yeem ua rau cov nroj tsuag cov nroj tsuag luv thiab ntau dua, thiab cov txiaj ntsig tom qab hloov pauv tsis txawv ntawm cov kev tswj hwm; Thaum UV-B muaj cov nyhuv loj dua, thiab cov txiaj ntsig txo cov nyhuv txo tom qab hloov pauv tsis tseem ceeb. Cov kev tshawb fawb yav dhau los tau pom zoo tias UV-a inhibits cog kev loj hlob thiab ua rau cov nroj tsuag dwarfed. Tab sis muaj cov pov thawj loj hlob uas muaj UV-A, es tsis txhob suppressing qoob loo biomass, tiag tiag txhawb nws. Piv nrog cov xim liab thiab dawb lub teeb (R: W = 2: 3, PPFd yog 250 μmol / (m20 μmol / (txog 10 μmol / (mx s) UV-a ntawm Kale muaj ntau ntxiv cov biomass, mus thoob qab, kab caleopy tsis muaj zog tau muaj zog thaum UV siv ntau dua 10 w / m2. Txhua hnub 2 h UV-ib qho kev txhawb ntxiv (0.45 J / (M2 • s) thiab qhov hnyav ntawm cov txiv lws suav, thaum txo cov ntsiab lus ntawm lws suav. Nws tuaj yeem pom tau tias cov qoob loo sib txawv teb txawv rau UV teeb, uas tej zaum yuav cuam tshuam nrog cov kev rhiab ntawm cov qoob loo rau UV teeb.

Txhawm rau cog khoom lag luam, qhov ntev ntawm lub qia yuav tsum tau muaj kev nce ntxiv kom yooj yim to feamstock grafting. Qhov sib txawv ntawm Fr muaj cov teebmeem sib txawv ntawm kev loj hlob ntawm lws suav, kua txob, gourd thiab dib ntoo. Ntxiv rau ntawm 18.9 μmol / (M2 • s) ntawm lub teeb ci txias ntau dua rau cov hypocotyl ntev thiab qia cov lws suav thiab kua txob noob; Fr ntawm 34.1 μmol / (M2 • s) muaj qhov cuam tshuam zoo tshaj plaws rau kev txhawb nqa hypocotyl ntev thiab qia ntawm dib, gourd thiab dib cov yub; Kev siv ntau dua Fr (53.4 μmol / (M2 • S) tau ua rau muaj kev cuam tshuam zoo rau tsib no. Lub hypocotyl ntev thiab qia voos ntawm cov seedlings tsis tau nce ntau, thiab pib qhia ib tug nqes mus hauv qab. Qhov hnyav tshiab ntawm cov kua txob seedlings tau qis dua, qhia tias tus neeg ua kom qis dua 53.4 μmol / (M2 • S) qis dua li ntawm Fr. Cov teebmeem ntawm kev loj hlob ntawm cov zaub sib txawv kuj sib txawv.

2.2 Qhov cuam tshuam ntawm hnub sib txawv ntawm cov photomorphogenesis ntawm zaub yub

Lub hnub ci ntsa iab (DLI) sawv cev rau tag nrho cov Photosynthetic photons tau txais los ntawm cov nroj tsuag nyob rau hauv ib hnub, uas yog siv rau lub teeb siv thiab lub sij hawm lub teeb. Lub calculation mis yog DLI (Mol / M2 / hnub) = lub teeb siv [μmol / (M2 • S) × Txhua lub sijhawm teeb (H) × 10-6. Nyob rau hauv ib puag ncig nrog qhov tsis tshua muaj teeb meem, cov nroj tsuag teb rau lub teeb valongating los ntawm elongating ntev, nce tsob ntoo qhov ntev thiab nplooj ntoos, thiab tsawg dua nplooj tuab thiab net phockynthetic tus nqi. Nrog rau kev nce ntawm lub teeb siv, tsuas yog mustard, lub hypocotyl ntev thiab qia elongation thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings thiab kale seedlings Nws tuaj yeem pom tau tias lub teeb ntawm kev loj hlob ntawm cov nroj tsuag kev loj hlob thiab morphogenesis muaj feem xyuam rau lub teeb siv thiab cog hom. Nrog kev nce ntawm DLI (8.64 ~ 28.8 Mol / MOL / MOL / MOL / MOL / MOL / HNUB), thiab cov nplooj hlav tshwj xeeb thiab cov ntawv cog cov ntsiab lus maj mam txo. 6 ~ 16 hnub tom qab tseb ntawm cov dib ntoo, nplooj nplooj thiab cov hauv paus hniav qhuav. Qhov hnyav maj mam nce, thiab txoj kev loj hlob maj mam nrawm, tab sis 16 rau 21 hnub loj hlob ntawm nplooj thiab keeb kwm ntawm dib cov seedlings txo qis. Txhim kho DLI tau txhawb nqa Net Photosynthetic tus nqi ntawm dib cov seedlings, tab sis tom qab muaj tus nqi, Net Photosynthetic tus nqi pib poob qis. Yog li ntawd, xaiv DLI tsim nyog thiab npaj cov tswv yim sib txawv ntxiv ntawm cov seedlings ntawm cov noob tuaj yeem tiv thaiv kev siv fais fab. Cov ntsiab lus ntawm soluble qab zib thiab sod enzyme nyob rau hauv dib thiab lws suav seedlings tau nce nrog kev nce ntawm DLI siv. Thaum qhov kev siv DLI nce ntxiv ntawm 7.47 Mol / M0 / hnub rau 11.26 Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / MOL / MOL / MOL / MOL / MOL / MOL / MOL / MOL / MOL / AVE, cov ntsiab lus ntawm cov noob ntoo nce los ntawm 81.03%, thiab 55.5% feem. Nyob rau hauv tib lub teeb meem DLI, nrog kev nce ntawm lub teeb siv, thiab xaiv cov duab ci rau lub teeb thiab ntev ntev tau zoo dua rau kev cog qoob loo siab Performance index thiab photicchemical efficiency ntawm dib thiab lws suav seedlings.

Nyob rau hauv kev tsim cov noob graftedlings, lub teeb pom kev qis yuav ua rau muaj tsawg dua ntawm cov nyom ntoo thiab nce ntxiv hauv lub sijhawm kho kom zoo. Qhov kev siv teeb pom kev tsim nyog yuav tsis tsuas yog txhim kho lub peev xwm ntawm cov nyom, tab sis kuj tseem tuaj yeem txo cov paj poj niam thiab nce tus naj npawb ntawm cov paj poj niam. Nyob rau hauv cov nroj tsuag tsim, DLI ntawm 2.5-7.5 Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Mol / Hnub tau txaus kom tau raws li kev kho kom zoo ntawm swso grafted seedlings. Lub compactness thiab nplooj tuab ntawm grafted lws suav seedlings nce ntau nrog kev siv DLI ntxiv. Qhov no qhia tau tias yub yub yub tsis tas yuav siv lub teeb siab rau kev kho kom zoo. Yog li ntawd, coj mus rau hauv tus account lub zog noj thiab cog ib puag ncig, xaiv qhov kev siv lub teeb pom kev tsim nyog yuav pab txhim kho kev khwv nyiaj txiag.

3. Qhov cuam tshuam ntawm LED teeb tsa ib puag ncig ntawm kev ntxhov siab tsis kam ntawm zaub yub

Cov nroj tsuag tau txais lub teeb pom kev zoo sab nraud los ntawm cov kws teeb meem, yog li hloov cov teeb liab, thiab thaum kawg hloov cov nroj tsuag tiv thaiv. Lub teeb txawv muaj zog muaj qee cov txiaj ntsig kev tshaj tawm txog kev txhim kho ntawm kev ua siab txias thiab ntsev npau taus ntawm cov yub. Piv txwv li, thaum lws suav cog tau ntxiv nrog lub teeb rau 4 teev nyob rau hmo ntuj, thiab lub teeb liab liab, thiab xiav lub teeb ci, thiab MDA cov ntsiab lus ntawm cov txiv lws suav, thiab txhim kho kev ntshaw txias. Cov kev ua si ntawm sod, pod thiab miv thiab miv nyob rau hauv kev kho mob ntawm kev kho mob ntawm 8: 2 xim liab-xiav tau nce siab dua li cov kev kho mob, thiab lawv tau muaj kev tawm tsam ntau dua thiab txias.

Cov nyhuv ntawm UV-B ntawm SoyBean Root Kev Loj Hlob yog los ntawm kev txhim kho cov ntsiab lus xws li Aba, thiab cuam tshuam hauv paus kev txhim kho los ntawm kev txo cov ntsiab lus ntawm IAA , CTK, thiab GA. Tus photoreceptor ntawm UV-B, UVR8, tsis yog tsuas yog koom nrog hauv kev tswj hwm photomorphogenesis, tab sis kuj ua lub luag haujlwm tseem ceeb hauv UV-B muaj kev ntxhov siab. Nyob rau hauv lws suav seedlings, UVR8 sib kho cov synthesis thiab ntxiv ntawm anthocyanins, thiab UV-acc-accomicated tsiaj qus txhim kho UV-B muaj kev ntxhov siab. Txawm li cas los xij, kev yoog raws UV-B kom muaj kev ntxhov siab ntawm kev tiv thaiv UVR8, yog li ntawd ntau yam tshuaj hormones ua ke Kev koom tes rau kev tawm tsam kev ntxhov siab uas tau muaj kev ntxhov siab, nce ros ua lub peev xwm.

Ob lub elongation ntawm cog hypocotyl lossis qia tshwm sim los ntawm fr thiab kev yoog ntawm cov nroj tsuag kom muaj kev ntxhov siab txias yog los ntawm cov nroj tsuag tshuaj. Yog li ntawd, qhov "Tsaus kev zam kev cuam tshuam" los ntawm Fr yog cuam tshuam rau cov nroj tsuag txias. Cov kws sim khoom ntxiv rau Barley Seedlings 18 hnub tom qab kev cog lus ntawm 15 ° C rau 10 hnub, txias rau 5 hnub, fr ua kom lub voos dawb tsis kam ntawm barley seedlings. Tus txheej txheem no nrog nrog los ntawm kev nce AA thiab IAA cov ntsiab lus hauv barley seedlings. Tom qab hloov ntawm 15 ° C fr-pretreated bar-° C thiab txuas ntxiv fromentation rau 7 hnub ua rau cov txiaj ntsig zoo sib xws rau cov saum toj no ob qho kev kho mob, tab sis nrog txo aba teb. Nroj tsuag nrog sib txawv tswj lub biosynthesis ntawm phytohormones ntawm phytohormones (GA, IAA, CTK, thiab ABA), uas tseem muaj kev koom tes hauv cog ntsev rau. Nyob rau hauv qab ntsev kev ntxhov siab, qhov tsawg ratio R: Ua kom muaj cov kab mob lws suav, txo qhov kev tsim khoom ntawm Ros thiab MDA hauv cov seedlings, thiab txhim kho cov ntsev ua hauj lwm. Ob qho tib si salinity kev ntxhov siab thiab tsawg R: FRES (R: Fr = 0.8) Inf = (r: Supinity kev ntxhov siab-ua rau tsis pom kev ntawm chlorophylll synthesis. Cov txiaj ntsig no qhia txog kev sib tshuam tseem ceeb ntawm phytochromes thiab ntsev npau taus.

Ntxiv nrog rau qhov chaw teeb pom kev zoo, lwm qhov chaw ib puag ncig tseem cuam tshuam rau kev loj hlob thiab zoo ntawm cov zaub yub. Piv txwv li, qhov nce ntawm co2 lub siab yuav nce lub teeb sururation siab tshaj plaws PN (PNMAX), txo lub teeb ntsim taw qhia, thiab txhim kho lub teeb ntsim siv. Qhov nce ntawm lub teeb siv thiab CAT2 lub siab yuav pab txhim kho cov ntsiab lus ntawm phoackymthetic muaj txiaj ntsig, thiab thaum kawg ua tiav Photosynthetic efficiency kev ua haujlwm thiab thaum kawg biomass txuam ntawm lws suav seedlings. Qhov hnyav qhuav thiab kev sib txuas ntawm lws suav thiab kua txob yub tau zoo sib xyaw nrog DLI, thiab kev hloov pauv ntawm qhov kub thiab txias ntxiv rau txoj kev kho mob. Ib puag ncig ntawm 23 ~ 25 ℃ yog qhov tsim nyog dua rau kev loj hlob ntawm lws suav seedlings. Raws li qhov ntsuas kub thiab lub teeb, cov kws tshawb nrhiav tau tsim ib txoj kev los kwv yees kev cai ntawm ib puag ncig ntawm cov kua txob ua rau cov noob qoob loo.

Yog li ntawd, thaum tsim cov qauv tswj hwm teeb meem hauv kev tsim khoom hauv kev tsim khoom, tab sis kuj sau qoob loo thiab tswj cov dej thiab cov roj av, thiab cov noob loj hlob.

4. Teeb meem thiab Outlooks

Ua ntej, teeb tsa kev cai ntawm zaub yub yog cov txheej txheem sib txawv ntawm cov zaub sib txawv hauv cov ntoo cog qoob loo ib puag ncig yuav tsum tau txheeb xyuas cov khoom lag luam. Qhov no txhais tau tias kom ua tiav lub hom phiaj ntawm kev ua haujlwm siab thiab muaj kev lag luam zoo, kev tshawb nrhiav txuas ntxiv yog qhov yuav tsum tau tsim kom muaj kev paub tab.

Thib ob, txawm hais tias tus nqi siv hluav taws xob ntawm LED lub teeb ci yog qhov kev siv fais fab tseem ceeb rau kev cog qoob loo siv cov teeb pom kev zoo. Lub zog loj siv lub zog ntawm cov nroj tsuag cov khoom lag luam tseem yog cov bottlekeneck txwv txoj kev txhim kho cov chaw tsim khoom cog.

Thaum kawg, nrog kev thov dav ntawm kev cog teeb pom kev zoo hauv kev ua liaj ua teb, tus nqi ntawm LED cog teeb pom kev yuav tsum tau txo qis nyob rau yav tom ntej; Ntawm qhov tsis sib xws, qhov nce nyob hauv cov nqi zog ua haujlwm, tshwj xeeb tshaj yog nyob rau hauv cov kev ua haujlwm tom qab, qhov tsis muaj zog yog khi rau kev txhawb nqa kev siv tshuab thiab kev siv tsheb ntawm kev tsim khoom. Yav tom ntej, kev txawj ntse los ntawm kev tswj cov qauv thiab cov khoom siv tsim tau ntse ntau dua rau cov khoom lag luam ntawm cov nroj tsuag cog qoob loo thev naus laus zis.

Cov kws sau ntawv: Jiehui Tan, Houcheng Liu
Tshooj Ntawv: Wechat tus account ntawm kev ua liaj ua teb engineering tshuab (tsev cog khoom horticulture)