E lengli-phytohormonesphetha karolo ea bohlokoa taolong ea komello? Li-phytohormones li ikamahanya joang le liphetoho tsa tikoloho? Pampiri e phatlalalitsoeng koranteng ea Trends in Plant Science e fetolela hape le ho hlophisa mesebetsi ea lihlopha tse 10 tsa li-phytohormones tse sibollotsoeng ho fihlela joale sebakeng sa semela. Limolek'hule tsena li phetha karolo ea bohlokoa limeleng 'me li sebelisoa haholo temong e le meriana e bolaeang limela, biostimulants le tlhahiso ea litholoana le meroho.
Phuputso e boetse e senola hore nali-phytohormonesli bohlokoa bakeng sa ho ikamahanya le maemo a fetohang a tikoloho (khaello ea metsi, likhohola, joalo-joalo) le ho netefatsa hore limela li phela maemong a ntseng a eketseha a feteletseng. Mongoli oa phuputso ena ke Sergi Munne-Bosch, moprofesa Lefapheng la Baeloji le Setsi sa Mefuta-futa ea Lihloliloeng (IRBio) Univesithing ea Barcelona le hlooho ea Sehlopha sa Lipatlisiso se Kopanetsoeng ka Li-Antioxidants ho Biotechnology ea Temo.
"Ho tloha ha Fritz W. Went a sibolla auxin e le karolo ea karohano ea lisele ka 1927, tsoelo-pele ea saense ea phytohormones e fetohile phetoho ea baeloji ea limela le theknoloji ea temo," ho boletse Munne-Bosch, moprofesa oa thuto ea ho iphetola ha lintho, ecology le saense ea tikoloho.
Ho sa tsotellehe karolo ea bohlokoa ea sehlopha sa phytohormone, lipatlisiso tsa liteko sebakeng sena ha li e-s'o etse tsoelo-pele e kholo. Li-Auxin, li-cytokinin, le li-gibberellin li na le karolo ea bohlokoa kholong le nts'etsopeleng ea limela, 'me, ho ea ka sehlopha sa lihomone tse reriloeng ke bangoli, li nkuoa e le balaoli ba mantlha.
Boemong ba bobeli,abscisic acid (ABA), ethylene, salicylates, le jasmonic acid e thusa ho laola likarabo tse nepahetseng tsa limela ho fetola maemo a tikoloho 'me ke lintlha tse ka sehloohong tse khethollang likarabo tsa khatello ea kelello. "Ethylene le abscisic acid ke tsa bohlokoa ka ho khetheha tlas'a khatello ea metsi. Asiti ea Abscisic ke eona e ikarabellang bakeng sa ho koala stomata (li-pores tse nyenyane makhasi a laolang phapanyetsano ea khase) le likarabo tse ling tsa khatello ea metsi le ho felloa ke metsi. Brassinosteroids, lihomone tsa peptide, le strigolactones li etsa karolo ea boraro ea lihomone, e fa limela monyetla oa ho arabela maemong a fapaneng hantle.
Ho feta moo, limolek'hule tse ling tsa phytohormones ha li e-s'o finyelle litlhoko tsohle ka botlalo 'me li ntse li emetse boitsebiso ba ho qetela. "Melatonin le γ-aminobutyric acid (GABA) ke mehlala e 'meli e metle. Melatonin e finyella litlhoko tsohle, empa ho tsebahala ha moamoheli oa eona ho ntse ho le maemong a pele (hona joale, mokelikeli oa PMTR1 o fumanoe feela ho Arabidopsis thaliana).
"Ha e le GABA, ha ho li-receptor tse seng li fumanoe limela. GABA e laola likanale tsa ion, empa hoa makatsa hore ebe ha se "neurotransmitter" e tsebahalang kapa lihomone tsa liphoofolo limeleng," setsebi se boletse.
Nakong e tlang, kaha lihlopha tsa phytohormone ha li na bohlokoa bo boholo ba saense feela ka baeloji ea motheo empa hape li na le bohlokoa bo boholo masimong a temo le biotechnology ea limela, hoa hlokahala ho atolosa tsebo ea rona ea lihlopha tsa phytohormone.
"Ho bohlokoa ho ithuta li-phytohormone tse ntseng li sa utloisisoe hantle, tse kang strigolactones, brassinosteroids, le lihomone tsa peptide. Re hloka lipatlisiso tse eketsehileng mabapi le ho sebelisana ha li-hormone, e leng sebaka se sa utloisisoeng hantle, hammoho le limolek'hule tse e-s'o khetholloe e le li-phytohormones, tse kang melatonin le gamma-Seraminobutyric acid (GABA) Mohloli: Munne-Bosch, S. Phytohormones:
Nako ea poso: Nov-13-2025