14-Hydroxylated brassinolide Paub meej
Brassinolide yog tus thib rau loj tshaj plaws cog kev loj hlob regulator lees paub thoob ntiaj teb. Nws muaj lub luag haujlwm ntawm kev txhawb nqa cov qoob loo loj hlob, ntxiv dag zog rau cov nroj tsuag, txo cov kab mob, tiv thaiv kev mob khaub thuas thiab Frost, txhim kho kev siv tshuaj, tshem tawm cov tshuaj puas tsuaj, txhim kho cov txiaj ntsig zoo, thiab ua kom cov qoob loo nce ntxiv.
Tus qauv kev lag luam brassinolide tau hais meej meej tias "Brassinolide yog hais txog cov lej ntawm ib lossis ntau dua ntawm tsib lub tebchaw hauv qab no: 24-epibrassinolide, 22,23,24-trisepibrassinolide, 28-epihomobrassinolide, 28-homobrassinolide thiab 14-brassinollatedoxysinolide.
Ntawm lawv, 14-Hydroxylated brassinolide yog tib brassinolide muab rho tawm los ntawm cov nroj tsuag paj ntoos. 14-Hydroxylated brassinolide yog muab los ntawm cov nroj tsuag thiab muaj cov kev ua haujlwm siab tshaj plaws ntawm cov nroj tsuag, kev sib raug zoo nrog cov nroj tsuag, ntau tus phooj ywg ib puag ncig, thiab muaj kev nyab xeeb dua rau kev nyab xeeb khoom noj. Yog li ntawd, nws muaj kev nyiam ntau dua los ntawm kev ua lag luam thiab cov neeg cog qoob loo, thiab nws cov khoom muag yog nyob deb ua ntej hauv kev lag luam brassinolide.
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Lub luag haujlwm ntawm 14-Hydroxylated brassinolid
1. nce kev ua tau zoo
Ntxiv 14-Hydroxylated thaum siv cov tshuaj fungicides, tshuaj tua kab, tshuaj tua kab los yog foliar chiv Brassinolide tuaj yeem txhim kho cov metabolism hauv lub cev ntawm cov nroj tsuag, ua kom lub cev nqus thiab ua haujlwm ntawm cov khoom xyaw nquag ntawm cov tshuaj (tshuaj) tshuaj, thiab ua haujlwm sai ntawm lub hom phiaj, yog li txhim kho kev ua tau zoo ntawm cov tshuaj thiab txo cov tshuaj tua kab siv.
15-Hydroxylated brassinolide yog muab los ntawm cov nroj tsuag ntuj, muaj kev sib raug zoo nrog cov qoob loo thiab muaj kev nyab xeeb dua. Thaum siv ua ke nrog cov tshuaj tua kab foliar chiv, nws tuaj yeem zam kev siv tshuaj (fertilizer) kev puas tsuaj thiab txo cov tshuaj tua kab.
2. Txhim khu kev tiv thaiv qoob loo thiab txo cov kab tsuag thiab kab mob
14-Hydroxylated brassinolide tuaj yeem txhim kho thiab sib npaug ntawm cov tshuaj hormones ntawm cov qoob loo thiab qhib kev ua haujlwm ntawm ntau lub cev tiv thaiv kab mob hauv cov nroj tsuag. Nws tuaj yeem tsis tsuas yog txhim kho kev tiv thaiv thiab rov qab muaj peev xwm ntawm cov qoob loo kom muaj kev nyuaj siab xws li dej qhuav, dej tsis qab, thiab qhov kub thiab txias, tab sis kuj tseem txhim kho cov qoob loo rau cov kab tsuag thiab kab mob, txhawb cov qoob loo metabolism, yog li txo cov kev siv tshuaj thiab txo cov kab tsuag. thiab tiv thaiv kab mob.
3. Txhawb kev loj hlob, txhim kho cov khoom zoo thiab ua kom muaj txiaj ntsig
14-Hydroxylated Brassinolide muaj kev sib xyaw ua ke ntawm cytokinin thiab gibberellin, uas tuaj yeem txhawb kev faib tawm ntawm tes thiab elongation, txhawb kev loj hlob ntawm cov qoob loo saum toj saud thiab hauv paus system, thiab tib lub sij hawm nce chlorophyll cov ntsiab lus ntawm nplooj, txhim kho nplooj photosynthesis. , nce lub tsub zuj zuj ntawm cov khoom photosynthetic, thiab txhawb cov qoob loo loj hlob.
Nyob rau tib lub sijhawm, 14-Hydroxylated brassinolide kuj muaj cov txiaj ntsig ntawm kev txhawb nqa qhov sib txawv ntawm cov paj ntoo thiab paj paj, tswj cov qib ntawm cov tshuaj hormones endogenous hauv cov nroj tsuag, txhawb kev hloov pauv ntawm kev loj hlob ntawm cov nroj tsuag mus rau kev loj hlob, thiab nce tus naj npawb thiab qhov zoo. paj. Nyob rau tib lub sij hawm, nws txhawb nqa lub elongation ntawm paj ntoos hlab thiab ua rau kom cov txiv hmab txiv ntoo teem npaum li cas thiab fruiting npaum li cas.
14-Hydroxylated brassinolide tswj cov khoom noj khoom haus, thauj cov as-ham rau cov txiv hmab txiv ntoo, txhawb kev loj hlob thiab kev loj hlob ntawm cov txiv hmab txiv ntoo, txo cov txiv hmab txiv ntoo tsis muaj zog thiab deformed, txhawb kev nqus thiab kev siv, thiab ntxiv txhawb kev loj hlob zoo, nthuav dav, thiab xim hloov ntawm txiv hmab txiv ntoo, thiab lwm yam, thiab txhim kho cov qoob loo thiab zoo ntawm cov khoom ua liaj ua teb.
14-Hydroxylated brassinolide muab rho tawm los ntawm cov nroj tsuag ntuj Piv nrog rau lwm cov khoom xyaw brassinolide, brassinolide sterol muaj kev ua haujlwm siab dua, kev txhawb zog zoo dua qub, yooj yim rau kev nqus los ntawm cov nroj tsuag, thiab muaj cov nyhuv ruaj khov dua. Nws tuaj yeem siv rau hauv cov qoob loo sib txawv thiab lub sijhawm loj hlob sib txawv los txhawb kev loj hlob, tua, txiv hmab txiv ntoo o, hloov xim thiab lwm yam teebmeem.
4. Zam thiab daws cov tshuaj puas tsuaj
14-Hydroxylated brassinolide tuaj yeem tswj hwm cov qib ntawm ntau yam endogenous cov tshuaj hormones hauv lub cev, txhim kho ntau yam txheej txheem los kho nucleic acid thiab protein synthesis, kho cov hlwb puas ntawm cov qoob loo los ntawm callus cog cov ntaub so ntswg, thiab tiv thaiv thiab txo cov tshuaj puas tsuaj.
Txhawm rau daws thiab zam kev puas tsuaj rau cov tshuaj, cov khoom lag luam uas muaj kev cuam tshuam sai yog xav tau. Ib txwm muab rho tawm 14-Hydroxylated brassinolide los ntawm cov nroj tsuag. Thaum cov qoob loo puas tsuaj los ntawm cov tshuaj, nws tuaj yeem ncaj qha absorbed thiab siv los ntawm kev txau, thiab cov nyhuv yog pom nyob rau tib hnub. Nws muaj kev ua haujlwm siab dua, sai dua thiab muaj txiaj ntsig zoo dua.
Tus qauv kev lag luam brassinolide tau hais meej meej tias "Brassinolide yog hais txog cov lej ntawm ib lossis ntau dua ntawm tsib lub tebchaw hauv qab no: 24-epibrassinolide, 22,23,24-trisepibrassinolide, 28-epihomobrassinolide, 28-homobrassinolide thiab 14-brassinollatedoxysinolide.
Ntawm lawv, 14-Hydroxylated brassinolide yog tib brassinolide muab rho tawm los ntawm cov nroj tsuag paj ntoos. 14-Hydroxylated brassinolide yog muab los ntawm cov nroj tsuag thiab muaj cov kev ua haujlwm siab tshaj plaws ntawm cov nroj tsuag, kev sib raug zoo nrog cov nroj tsuag, ntau tus phooj ywg ib puag ncig, thiab muaj kev nyab xeeb dua rau kev nyab xeeb khoom noj. Yog li ntawd, nws muaj kev nyiam ntau dua los ntawm kev ua lag luam thiab cov neeg cog qoob loo, thiab nws cov khoom muag yog nyob deb ua ntej hauv kev lag luam brassinolide.
Lub luag haujlwm ntawm 14-Hydroxylated brassinolid
1. nce kev ua tau zoo
Ntxiv 14-Hydroxylated thaum siv cov tshuaj fungicides, tshuaj tua kab, tshuaj tua kab los yog foliar chiv Brassinolide tuaj yeem txhim kho cov metabolism hauv lub cev ntawm cov nroj tsuag, ua kom lub cev nqus thiab ua haujlwm ntawm cov khoom xyaw nquag ntawm cov tshuaj (tshuaj) tshuaj, thiab ua haujlwm sai ntawm lub hom phiaj, yog li txhim kho kev ua tau zoo ntawm cov tshuaj thiab txo cov tshuaj tua kab siv.
15-Hydroxylated brassinolide yog muab los ntawm cov nroj tsuag ntuj, muaj kev sib raug zoo nrog cov qoob loo thiab muaj kev nyab xeeb dua. Thaum siv ua ke nrog cov tshuaj tua kab foliar chiv, nws tuaj yeem zam kev siv tshuaj (fertilizer) kev puas tsuaj thiab txo cov tshuaj tua kab.
2. Txhim khu kev tiv thaiv qoob loo thiab txo cov kab tsuag thiab kab mob
14-Hydroxylated brassinolide tuaj yeem txhim kho thiab sib npaug ntawm cov tshuaj hormones ntawm cov qoob loo thiab qhib kev ua haujlwm ntawm ntau lub cev tiv thaiv kab mob hauv cov nroj tsuag. Nws tuaj yeem tsis tsuas yog txhim kho kev tiv thaiv thiab rov qab muaj peev xwm ntawm cov qoob loo kom muaj kev nyuaj siab xws li dej qhuav, dej tsis qab, thiab qhov kub thiab txias, tab sis kuj tseem txhim kho cov qoob loo rau cov kab tsuag thiab kab mob, txhawb cov qoob loo metabolism, yog li txo cov kev siv tshuaj thiab txo cov kab tsuag. thiab tiv thaiv kab mob.
3. Txhawb kev loj hlob, txhim kho cov khoom zoo thiab ua kom muaj txiaj ntsig
14-Hydroxylated Brassinolide muaj kev sib xyaw ua ke ntawm cytokinin thiab gibberellin, uas tuaj yeem txhawb kev faib tawm ntawm tes thiab elongation, txhawb kev loj hlob ntawm cov qoob loo saum toj saud thiab hauv paus system, thiab tib lub sij hawm nce chlorophyll cov ntsiab lus ntawm nplooj, txhim kho nplooj photosynthesis. , nce lub tsub zuj zuj ntawm cov khoom photosynthetic, thiab txhawb cov qoob loo loj hlob.
Nyob rau tib lub sijhawm, 14-Hydroxylated brassinolide kuj muaj cov txiaj ntsig ntawm kev txhawb nqa qhov sib txawv ntawm cov paj ntoo thiab paj paj, tswj cov qib ntawm cov tshuaj hormones endogenous hauv cov nroj tsuag, txhawb kev hloov pauv ntawm kev loj hlob ntawm cov nroj tsuag mus rau kev loj hlob, thiab nce tus naj npawb thiab qhov zoo. paj. Nyob rau tib lub sij hawm, nws txhawb nqa lub elongation ntawm paj ntoos hlab thiab ua rau kom cov txiv hmab txiv ntoo teem npaum li cas thiab fruiting npaum li cas.
14-Hydroxylated brassinolide tswj cov khoom noj khoom haus, thauj cov as-ham rau cov txiv hmab txiv ntoo, txhawb kev loj hlob thiab kev loj hlob ntawm cov txiv hmab txiv ntoo, txo cov txiv hmab txiv ntoo tsis muaj zog thiab deformed, txhawb kev nqus thiab kev siv, thiab ntxiv txhawb kev loj hlob zoo, nthuav dav, thiab xim hloov ntawm txiv hmab txiv ntoo, thiab lwm yam, thiab txhim kho cov qoob loo thiab zoo ntawm cov khoom ua liaj ua teb.
14-Hydroxylated brassinolide muab rho tawm los ntawm cov nroj tsuag ntuj Piv nrog rau lwm cov khoom xyaw brassinolide, brassinolide sterol muaj kev ua haujlwm siab dua, kev txhawb zog zoo dua qub, yooj yim rau kev nqus los ntawm cov nroj tsuag, thiab muaj cov nyhuv ruaj khov dua. Nws tuaj yeem siv rau hauv cov qoob loo sib txawv thiab lub sijhawm loj hlob sib txawv los txhawb kev loj hlob, tua, txiv hmab txiv ntoo o, hloov xim thiab lwm yam teebmeem.
4. Zam thiab daws cov tshuaj puas tsuaj
14-Hydroxylated brassinolide tuaj yeem tswj hwm cov qib ntawm ntau yam endogenous cov tshuaj hormones hauv lub cev, txhim kho ntau yam txheej txheem los kho nucleic acid thiab protein synthesis, kho cov hlwb puas ntawm cov qoob loo los ntawm callus cog cov ntaub so ntswg, thiab tiv thaiv thiab txo cov tshuaj puas tsuaj.
Txhawm rau daws thiab zam kev puas tsuaj rau cov tshuaj, cov khoom lag luam uas muaj kev cuam tshuam sai yog xav tau. Ib txwm muab rho tawm 14-Hydroxylated brassinolide los ntawm cov nroj tsuag. Thaum cov qoob loo puas tsuaj los ntawm cov tshuaj, nws tuaj yeem ncaj qha absorbed thiab siv los ntawm kev txau, thiab cov nyhuv yog pom nyob rau tib hnub. Nws muaj kev ua haujlwm siab dua, sai dua thiab muaj txiaj ntsig zoo dua.
