Paclobutrazol yog cov tshuaj tiv thaiv kev loj hlob ntawm cov nroj tsuag thiab cov tshuaj tua kab mob, cov tshuaj tua kab mob, kuj hu ua inhibitor. Nws tuaj yeem ua rau cov ntsiab lus ntawm chlorophyll, protein thiab nucleic acid hauv cov nroj tsuag, txo cov ntsiab lus ntawm erythroxin thiab indole acetic acid, nce qhov tso tawm ntawm ethylene, nce kev tiv thaiv rau chaw nyob, drought, txias thiab kab mob, nce yield, txhim kho zoo thiab txhim kho. economic efficiency. Nws tsis muaj tshuaj lom rau tib neeg, tsiaj nyeg, nqaij qaib thiab ntses, thiab nws siv hauv kev tsim zaub mov ua lub luag haujlwm tseem ceeb hauv kev tsim khoom thiab txhim kho kom zoo.
Kev siv paclobutrazol hauv kev ua liaj ua teb
1. Cog cov noob muaj zog
Thaum lub yub ntawm eggplants, melons thiab lwm yam zaub yog loj hlob leggy, koj muaj peev xwm tshuaj tsuag 50-60 kg ntawm 200-400ppm kua ib evkawj ntawm 2-4 nplooj ntawv theem los tiv thaiv tsim ntawm "siab seedlings" thiab tsim luv luv thiab muaj zog seedlings. . Piv txwv li, thaum cog dib seedlings, tshuaj tsuag los yog watering nrog 20 mg / L paclobutrazol tov ntawm 1 nplooj thiab 1 lub plawv theem ntawm cov yub nyob rau hauv lub lauj kaub tais diav yuav txhim kho qhov zoo ntawm cov yub thiab tsim luv luv thiab muaj zog seedlings.
Thaum cog kua txob seedlings, tshuaj tsuag 5 mus rau 25 mg / L paclobutrazol kua ntawm 3 mus rau 4 nplooj theem ntawm cov yub kom loj hlob muaj zog seedlings. Thaum loj hlob txiv lws suav, tshuaj tsuag 10-50 mg / L paclobutrazol kua thaum cov yub nyob rau ntawm 2-3 nplooj ntoos theem kom dwarf cov nroj tsuag thiab tiv thaiv kom tsis txhob loj hlob ntau dhau.
Nyob rau theem 3-nplooj ntawm lub caij nplooj zeeg txiv lws suav, tshuaj tsuag nrog 50-100 mg / L paclobutrazol tov rau cultivate muaj zog seedlings.
Hauv kev cog qoob loo cog txiv lws suav, 3 nplooj thiab 1 lub plawv yog txau nrog 10 mg / L paclobutrazol daws.
Thaum loj hlob eggplant seedlings, tshuaj tsuag 10-20 mg / L paclobutrazol daws ntawm 5-6 nplooj kom dwarf cov yub thiab tiv thaiv kom tsis txhob loj hlob ntau dhau.
Thaum loj hlob cabbage seedlings, tshuaj tsuag 50 mus rau 75 mg / L paclobutrazol ntawm 2 nplooj thiab 1 lub plawv, uas yuav ua rau cov yub loj hlob thiab loj hlob mus rau hauv luv luv thiab muaj zog seedlings.
2. Tswj kev loj hlob ntau dhau
Ua ntej cog, soak lub hauv paus ntawm peppers nrog 100 mg / L paclobutrazol tov rau 15 feeb ua ntej transplanting. Txau nrog 25 mg / L lossis 50 mg / L paclobutrazol daws txog 7 hnub tom qab cog; Thaum lub sij hawm loj hlob muaj zog heev, siv 100 ~ Txau 200 mg / L paclobutrazol kua tuaj yeem ua tiav cov txiaj ntsig ntawm cov nroj tsuag dwarfing thiab tiv thaiv kev loj hlob leggy.
Nyob rau theem pib ntawm kev loj hlob ntawm taum ntsuab, tshuaj tsuag nrog 50 mus rau 75 mg / L paclobutrazol kua tuaj yeem txhim kho cov qauv ntawm cov pejxeem, txhim kho photosynthesis, thiab tiv thaiv kev loj hlob leggy, yog li ua kom cov inflorescences ntawm lub ntsiab qia los ntawm 5% mus rau 10% thiab lub pod teeb tus nqi los ntawm 20%.
Thaum edamame muaj 5 mus rau 6 nplooj, tshuaj tsuag nrog 50 mus rau 75 mg / L ntawm paclobutrazol kua kom cov stems muaj zog, shorten lub internodes, txhawb branching, thiab loj hlob tsis tu ncua tsis dhau leggy.
Thaum cog qhov siab yog 40 mus rau 50 cm, tshuaj tsuag 300 mg / L paclobutrazol kua txij thaum lub Yim Hli mus txog rau lub Cuaj Hli, ib zaug txhua 10 hnub, thiab tshuaj tsuag 2 mus rau 3 zaug tsis tu ncua los tswj kev loj hlob.
Txiv lws suav seedlings yuav tsum tau txau nrog 25 mg / L paclobutrazol daws txog 7 hnub tom qab hloov pauv; Txau nrog 75 mg / L paclobutrazol daws tom qab ua kom cov yub qeeb qeeb tuaj yeem tiv thaiv kev loj hlob leggy thiab txhawb cov nroj tsuag dwarfing.
Nyob rau theem 3-nplooj, txau cov seaweed moss nrog 200 mg / L paclobutrazol kua tuaj yeem tswj tau qhov kev loj hlob ntau dhau thiab nce cov txiaj ntsig tau li ntawm 26%.
3. Ua kom ntau lawm
Nyob rau hauv lub caij nplooj ntoos hlav los yog flourishing theem ntawm paus, qia thiab nplooj zaub, txau 50 kilograms ntawm 200 ~ 300ppm paclobutrazol tov ib evkawj yuav txhawb nqa thickening ntawm zaub nplooj, shortening ntawm internodes, muaj zog nroj tsuag, txhim kho zoo, thiab nce yield. Piv txwv li, ua ntej khaws cucumbers, tshuaj tsuag nrog 400 mg / L paclobutrazol tov kom nce cov qoob loo los ntawm 20% mus rau 25%.
Nyob rau hauv 4-nplooj theem ntawm lub caij nplooj zeeg cucumbers nyob rau hauv tsev cog khoom, tshuaj tsuag 100 mg / L paclobutrazol kua kom luv lub internodes, compact cov nroj tsuag zoo, thiab thicken lub stems. Qhov kev tiv thaiv rau powdery mildew thiab downy mildew yog txhim khu, qhov txias kuj yog txhim kho, thiab cov txiv hmab txiv ntoo teem tus nqi yog nce. , tus nqi nce nce mus txog li 20%.
Ntawm 3-4 nplooj nplooj ntawm Suav cabbage, tshuaj tsuag cov nroj tsuag nrog 50-100 mg / L paclobutrazol daws tuaj yeem dwarf cov nroj tsuag thiab nce cov noob qoob loo li ntawm 10% -20%.
Thaum lub radish muaj 3 mus rau 4 nplooj tiag tiag, tshuaj tsuag nrog 45 mg / L paclobutrazol tov los txhim kho kev tiv thaiv thiab txo qhov tshwm sim; Thaum lub sij hawm cev xeeb tub cov hauv paus hniav, tshuaj tsuag nrog 100 mg / L paclobutrazol tov rau inhibit qhov kev loj hlob ntawm cov nroj tsuag. Nws inhibits bolting, ua rau cov nroj tsuag nplooj ntsuab, ua rau cov nplooj luv luv thiab upright, txhim khu photosynthesis, thiab txhawb nqa cov khoom photosynthetic mus rau lub cev nqaij daim tawv, uas yuav nce yield los ntawm 10% mus rau 20%, tiv thaiv bran cores, thiab txhim kho marketability. .
Txau edamame nrog 100 mus rau 200 mg / L paclobutrazol kua thaum lub sij hawm thawj mus rau tag nrho flowering theem yuav ua rau kom cov ceg zoo, muaj pes tsawg leeg pods thiab pod hnyav, thiab nce yield los ntawm 20%. Thaum cov vines nce mus rau saum lub txee, tshuaj tsuag yam nrog 200 mg / L paclobutrazol kua. Yog tias qhov kev loj hlob hnyav heev, tshuaj tsuag ib zaug txhua 5 mus rau 7 hnub, thiab tshuaj tsuag 2 mus rau 3 zaug tsis tu ncua txhawm rau tiv thaiv kev loj hlob ntawm stems thiab nplooj thiab txhawb cov germination ntawm sab ceg. Paj buds tsim, tubers loj, thiab tawm los nce li ntawm 10%.
4. Txhawb nqa cov txiaj ntsig ntxov
Cov chiv nitrogen ntau dhau yog siv rau hauv thaj chaw zaub, lossis cov zaub tau ntxoov ntxoo thiab lub teeb tsis txaus, lossis cov av noo ntawm cov zaub hauv thaj chaw tiv thaiv siab heev thaum hmo ntuj, thiab lwm yam, uas feem ntau ua rau cov zaub stems thiab nplooj los ua. elongated, cuam tshuam kev loj hlob ntawm kev loj hlob thiab fruiting. Koj tuaj yeem txau 50 kg ntawm 200ppm kua ib evkawj kom tiv thaiv cov stems thiab nplooj yog leggy, txhawb kev loj hlob ntawm cov me nyuam thiab thaum ntxov fruiting. Thaum lub sij hawm tsim theem ntawm cov hauv paus hniav, tshuaj tsuag 100-150 mg / L paclobutrazol daws ntawm nplooj, 30-40 litres ib evkawj, tuaj yeem tswj kev loj hlob ntawm cov av saum toj no thiab txhawb cov hypertrophy ntawm fleshy keeb kwm. Ua tib zoo saib xyuas qhov tseeb ntawm cov tshuaj thiab cov tshuaj txau zoo ib yam. Txhawb nqa txiv hmab txiv ntoo ripening. Tom qab cov txiv hmab txiv ntoo, tshuaj tsuag nrog 500 mg / L paclobutrazol tov los inhibit vegetative loj hlob thiab txhawb cov txiv hmab txiv ntoo kom loj hlob.
Cov kev ceev faj
nruj me ntsis tswj tus nqi thiab lub sij hawm ntawm cov tshuaj. Yog tias tag nrho cov nroj tsuag tau txau, txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws, nws raug nquahu kom ntxiv cov kua txiv hmab txiv ntoo ntxiv rau cov kua txiv hmab txiv ntoo. Yog tias qhov ntau npaum li cas thiab qhov concentration siab dhau, ua rau cov qoob loo loj hlob tuaj yeem txwv tsis pub, koj tuaj yeem ua kom cov tshuaj chiv ua kom sai, lossis siv gibberellin (92O) los daws qhov teeb meem. Siv 0.5 mus rau 1 grams ib evkawj thiab tsuag 30 mus rau 40 kilograms dej.
Post lub sij hawm: Mar-11-2024
