Mmetụta nke ọkụ ọkụ LED na uto nke ihe ubi horticultural
Usoro nke ìhè na-eto eto na mmepe nke 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, oge ọkụ na nkesa spectral. Enwere ike iji ọkụ na-ejuputa artificial iji dozie ihe ndị dị na ya na-enweghị njedebe site na ọnọdụ ihu igwe.
Osisi nwere nhọrọ nnabata nke ìhè, na ndị na-anabata foto dị iche iche na-ahụ akara ngosi. Ka ọ dị ugbu a, enwere ma ọ dịkarịa ala ụdị atọ nke ndị na-anabata foto na osisi, foto sensitins (na-enweta ọbara ọbara na ìhè na-acha uhie uhie), na cryptochrome (na-enweta ìhè na-acha anụnụ anụnụ na nso ultraviolet ìhè) na ndị na-anabata ìhè ultraviolet (UV-A na UV-B) . Iji otu ọkụ ọkụ na-enwu ọkụ na-amụba ihe ọkụkụ nwere ike ime ka photosynthesis na-arụ ọrụ nke ọma ma mee ka ọdịdị nke ìhè dị ngwa ngwa, si otú ahụ na-akwalite uto na mmepe nke osisi ahụ. Osisi photosynthesis na-ejikarị ìhè oroma uhie (610 ~ 720 nm) na ìhè na-acha anụnụ anụnụ (400 ~ 510 nm). N'iji teknụzụ LED, ọ ga-ekwe omume ịgbanye ọkụ monochromatic (dị ka ọkụ na-acha ọbara ọbara nwere ọnụ ọgụgụ kasị elu nke 660 nm na ìhè anụnụ anụnụ nwere ọnụ ọgụgụ kasị elu nke 450 nm) dị ka eriri ogologo nke mpaghara chlorophyll kachasị ike, na ngalaba spectral. obosara bụ naanị ± 20 nm. Ka ọ dị ugbu a, a kwenyere na ọkụ oroma na-acha uhie uhie ga-eme ka mmepe nke osisi dịkwuo ngwa, na-akwalite nchịkọta nke ihe ọkụkụ, nhazi nke bulbs, mgbọrọgwụ, bọọlụ akwụkwọ na akụkụ osisi ndị ọzọ, na-eme ka osisi na-agbapụta ma na-eguzosi ike na mbụ, ma na-ebute ụzọ. ọrụ na nkwalite agba osisi; Blue na violet nwere ike ijikwa ìhè akwụkwọ osisi, na-akwalite oghere stomatal na mmegharị chloroplast, na-egbochi elongation azuokokoosisi, gbochie uto osisi, igbu oge okooko osisi ma kwalite uto vegetative; LEDs na-acha uhie uhie na-acha anụnụ anụnụ nwere ike mejupụta ma monochrome Enweghị ọkụ na-etolite ọnụ ọgụgụ dị egwu nke na-adabere na photosynthesis akuku na morphogenesis, na ọkụ ọkụ itinye n'ọrụ nwere ike iru 80% ruo 90%, na ike ịzọpụta mmetụta dị ịrịba ama. .
Ntinye nke LED jupụta ìhè n'ime ụlọ ọrụ ubi nwere ike nweta mmụba dị ukwuu na mmepụta. Nnyocha egosiwo na 300 μmol / (m2 · s) eriri LED na tubes LED 12h (8: 00 ~ 20: 00) jupụta ọnụ ọgụgụ tomato cherry, ngụkọta mkpụrụ na otu mkpụrụ osisi dị arọ na-abawanye nke ọma, nke LED oriọna jupụtara. ìhè mụbara site na 42.67%, 66.89% na 16.97%, n'otu n'otu, na oriọna LED jupụtara ìhè mụbara site na 48.91%, 94.86% na 30.86% n'otu n'otu. The ngụkọta ibu oge nke ikanam ìhè jupụta ìhè [red na-acha anụnụ anụnụ ìhè ruru nke 3:2, ìhè ike nke 300 μmol / (m2 · s)] ọgwụgwọ nwere ike budata dịkwuo otu mkpụrụ àgwà na unit ebe mkpụrụ egusi na eggplant, na egusi mụbara site na 5.3%, 15.6%, eggplant mụbara site na 7.6%, 7.8%. Site dum ibu oge LED ìhè àgwà na osisi ike na oge nke ntụ oyi, ọ nwere ike ebelata osisi ibu okirikiri, melite azụmahịa mkpụrụ, nutritional àgwà na ụdị uru nke ugbo ngwaahịa, na nweta elu arụmọrụ, ike ịzọpụta na ọgụgụ isi mmepụta nke. akụrụngwa horticultural kụrụ.