Dab tsi yog cov kev siv paj loj hlob regulators?

Auxins:
Cov uas nquag siv suav nrog2,4-D, 2,4,5-TNaphthalene acetic acid (NAA), Indole-3-Acetic acid (IAA), thiab lwm yam. Ntawm citrus, 100-250 mg/kg2, 4-D kev kho mob tuaj yeem tiv thaiv kev tsim ntawm abscission txheej ntawm cov txiv hmab txiv ntoo qia, ua kom cov txiv hmab txiv ntoo qia ci ntsuab, tiv thaiv qia rot thiab dub rot pathogens los ntawm invading. txiv hmab txiv ntoo, thiab zoo heev txo rot.

Kinetin:
6-benzylaminopurine (6-BA)feem ntau yog siv rau hauv kev ua cov txiv hmab txiv ntoo tom qab sau qoob, tshwj xeeb tshaj yog rau cov txiv hmab txiv ntoo ntsuab, uas muaj cov tshuaj tua kab mob zoo heev thiab kev txuag ntsuab.

Gibberellik Acid (GA3):
Gibberellic Acid (GA3) inhibits qhov decomposition ntawm chlorophyll hauv txiv hmab txiv ntoo thiab zaub. Kev kho cov txiv hmab txiv ntoo citrus ncua lub fading ntawm chlorophyll, cov tsos ntawm carotene, thiab tsub kom lub hardness thiab thickness ntawm tev.

Ethephon:
Ethephon yog ib yam khoom uas tuaj yeem tso tawm ethylene thiab nyob rau hauv daim ntawv kua. Nyob rau hauv cov ntaub ntawv ntawm dilution los yog pH ntau tshaj 4, decomposition tso ethylene. Txau los yog dip cov txiv tsawb hauv cov tshuaj npaj, qhuav lawv ib txwm tom qab kho, thiab feem ntau khaws cia rau 3 mus rau 4 hnub ua ntej lawv loj tuaj. Ethylene yog siv los tshem tawm astringency ntawm persimmons. Ntxiv 0.2% tus neeg sawv cev kis mus rau 250-500 mg/kg Ethephon tov thiab tshuaj tsuag los yog tsau cov txiv hmab txiv ntoo. Nws yuav siv li 4 hnub kom tshem tawm astringency thiab paub tab.