Pazaka khumi zapitazi, kuyatsa kwa LED kwakhala ndi chidwi chochuluka ngati gwero lopatsa mphamvu lowonjezera mu greenhouse horticulture lomwe lingasinthe mwachangu kukula kwake komanso mawonekedwe owoneka bwino. Kupangidwa kwa Spectral sikumangokhudza thupi la mbewu komanso kungakhudze biology ya tizilombo toyambitsa matenda, tizirombo, ndi adani awo achilengedwe, mwachindunji komanso mwanjira ina kudzera pakukhudzidwa ndi kukana kwa mbewu.
Kafukufuku waposachedwapa wa Business Unit Greenhouse Horticulture, Wageningen University & Research, amafufuza zotsatira za kuwala kwa dzuwa pakukula ndi chitukuko cha Solanum melongena. Zotsatirazi zinali zokhudzana ndi zotsatira za kukhazikitsidwa kwa mite Amblyseius swirskii ndi kulimba kwa zomera polimbana ndi biotrophic bowa powdery mildew, necrotrophic fungus botrytis, ndi herbivorous arthropod Western flower thrips.
Zotsatira za chiŵerengero chochepetsedwa chofiira / chofiira kwambiri (R: FR) chinaphunziridwa pansi pa magawo awiri a kuwala kofiira ndi buluu. Kuwala kofiyira kwambiri mwina kunaperekedwanso ku photosynthetic photon flux density (PPFD) kapena kusinthidwa pang'ono PPFD, kwinaku akusungabe photon flux density (PFD). Zotsatira za kuwala koyera kapena kuwala kowonjezera kwa UV-B pa kulimba kwa mbewu kudayesedwa, poyerekeza ndi zomwe zanenedwa (5% buluu, 5% wobiriwira, ndi 90% kuwala kofiira). Zomera za zomera mu gawo la vegetative zidawonjezeka pamene kuwala kwina kofiira kwambiri kunaperekedwa. Kutalika kwatsinde kunakula ndi kufiira kwambiri, mosasamala kanthu za PPFD komanso kuchuluka kwa kuwala kwa buluu.
Mu gawo lopangira, kuwombera kwathunthu ndi zolemera zatsopano za zipatso zinali zokulirapo pansi pa kuwala kofiyira kwambiri, kutsatiridwa ndi mankhwala omwe ofiira kwambiri adalowa m'malo mwa PPFD. Kutali-wofiira kuwala kuchuluka zotsalira zazomera partitioning mu zipatso, pa ndalama za masamba. Panalibe kusiyana kwa kukula kwa nthata za A. swirskii pakati pa mankhwala opepuka, komanso chithandizo chopepuka sichinakhudze kugawa kofanana kwa nthata zolusa muzomera.
Chithandizo chowonjezera chofiira kwambiri chimachepetsa kuchuluka kwa matenda a powdery mildew, koma kumawonjezera matenda a botrytis. Kusiyanaku kungakhale chifukwa cha chitetezo cha zomera zomwe zimalimbana ndi tizilombo toyambitsa matendawa zomwe zimachokera ku njira ziwiri zosiyana zoyendetsera. Zotsatira izi zikuwonetsa kuti zotsatira zabwino zakusintha kwamitundu yowoneka bwino pamayankhidwe amthupi zidalipiridwa pang'ono ndi kuchuluka kwa chiwopsezo cha tizilombo toyambitsa matenda, zomwe zimapereka chiyembekezo chakukula kwa greenhouse horticulture.
Werengani kafukufuku wathunthu pa www.frontiersint.org.
Anja Dieleman J, Marjolein Kruidhof H, Weerheim K ndi Leiss K (2021) Njira Zounikira za LED Zimakhudza Thupi la Thupi ndi Kupirira Ku Tizilombo toyambitsa matenda ndi Tizirombo mu Biringanya (Solanum melongena L.). Patsogolo. Plant Sci. 11:610046. doi: 10.3389/fpls.2020.610046