Prohexadione ke mofuta o mocha oa taolo ea kholo ea semela ea cyclohexane carboxylic acid.E entsoe ka kopanelo ke Japan Combination Chemical Industry Co., Ltd. le BASF ea Jeremane.E thibela biosynthesis ea gibberellin limela 'me e etsa limela Lintho tsa gibberellin li fokotsehile, kahoo li lieha le ho laola kholo ea maoto ea limela.Haholo-holo e sebelisoang lijalong tsa lijo-thollo, tse kang koro, harese, ho hanyetsa raese, e ka boela ea sebelisoa ka matokomane, lipalesa le mohloa ho laola kholo ea tsona.
1 Selelekela sa Sehlahisoa
Lebitso le tloaelehileng la Sechaena: procyclonic acid calcium
Lebitso le tloaelehileng la Senyesemane: Prohexadione-calcium
Lebitso la motsoako: calcium 3-oxo-5-oxo-4-propionylcyclohex-3-enecarboxylate
Nomoro ea ho kena ha CAS: 127277-53-6
Foromo ea molek'hule: C10H10CaO5
Boima bo amanang le molek'hule: 250.3
Foromo ea sebopeho:
Lintho tsa 'mele le lik'hemik'hale: Ponahalo: phofo e tšoeu;ntlha ea ho qhibiliha > 360 ℃;khatello ea mouoane: 1.74 × 10-5 Pa (20 ℃);octanol/coefficient ea karohano ea metsi: Kow lgP=-2.90 (20℃);boima ba 'mele: 1.435 g/mL;Henry kamehla: 1.92 × 10-5 Pa m3mol-1 (calc.).Sollubility (20℃): 174 mg/L metsing a hloekisitsoeng;methanol 1.11 mg/L, acetone 0.038 mg/L, n-hexane＜0.003 mg/L, toluene 0.004 mg/L, ethyl acetate＜0.010 mg/L, iso Propanol 0.105 mg/L, dichloromethane 0.00 mg/L0.Botsitso: mocheso o tsitsitseng ho fihlela ho 180 ℃;hydrolysis DT50<5 d (pH=4, 20℃), 21 d (pH7, 20℃), 89 d (pH9, 25℃);ka metsing a tlhaho, metsi photolysis DT50 ke 6.3 d, photolysis DT50 ka metsi distilled e ne e le 2.7 d (29～34℃, 0.25W/m2).
Chefo: Sethethefatsi sa mantlha sa prohexadione ke chefo e chefo e tlase.LD50 e matla ea molomo (e motona / e tšehali) ea likhoto ke> 5,000 mg/kg, LD50 e matla (e motona/e tšehali) ea likhoto ke> 2,000 mg/kg, le LD50 e matla ea molomo oa likhoto (e motona/e tšehali) ke> 2,000 mg / kg.Inhalation toxicity LC50 (4 h, male/ female)> 4.21 mg/L.Ka nako e ts'oanang, e na le chefo e tlase ho likokoana-hloko tsa tikoloho tse kang linonyana, litlhapi, matsetse a metsi, algae, linotsi le liboko.
Mokhoa oa ts'ebetso: Ka ho kena-kenana le motsoako oa gibberellic acid ka limela, e fokotsa litaba tsa gibberellic acid limela, e laola kholo ea maoto, e khothalletsa lipalesa le litholoana, e eketsa chai, e hlahisa metso ea metso, e sireletsa lisele le lisele tsa organelle, 'me e ntlafatsa. ho hanyetsa khatello ea lijalo.E le ho thibela kholo ea limela ea karolo e ka holimo ea semela le ho khothalletsa kholo ea ho ikatisa.
2 Ngodiso
Ho latela lipatlisiso tsa China Pesticide Information Network, ho tloha ka Pherekhong 2022, kakaretso ea lihlahisoa tse 11 tsa prohexadione calcium li ngolisitsoe naheng ea heso, ho kenyeletsoa lithethefatsi tse 3 tsa tekheniki le litokisetso tse 8, joalo ka ha ho bonts'itsoe ho Lethathamo la 1.
Letlapa la 1 Ngoliso ea prohexadione calcium naheng ea heso
| Ngoliso khoutu | Lebitso la chefo e bolaeang likokoanyana | Foromo ea litekanyetso | Kakaretso ea litaba | Ntho ea thibelo |
| PD20170013 | Prohexadione calcium | TC | 85% | |
| PD20173212 | Prohexadione calcium | TC | 88% | |
| PD20210997 | Prohexadione calcium | TC | 92% | |
| PD20212905 | Prohexadione calcium·Uniconazole | SC | 15% | Raese e laola khōlo |
| PD20212022 | Prohexadione calcium | SC | 5% | Raese e laola khōlo |
| PD20211471 | Prohexadione calcium | SC | 10% | Matokomane a laola kholo |
| PD20210196 | Prohexadione calcium | li-granules tse qhalanang tsa metsi | 8% | Kholo e laoloang ke litapole |
| PD20200240 | Prohexadione calcium | SC | 10% | Matokomane a laola kholo |
| PD20200161 | Prohexadione calcium·Uniconazole | li-granules tse qhalanang tsa metsi | 15% | Raese e laola khōlo |
| PD20180369 | Prohexadione calcium | Li-granules tse matla | 5% | Matokomane a laola kholo; Litapole li laola kholo; Koro e Laola Khōlo; Rice e laola kholo |
| PD20170012 | Prohexadione calcium | Li-granules tse matla | 5% | Raese e laola khōlo |
3 Litebello tsa 'maraka
Joaloka molaoli oa kholo ea limela tse tala, prohexadione calcium e tšoana le balaoli ba kholo ea limela ea paclobutrazol, niconazole le trinexapac-ethyl.E thibela biosynthesis ea gibberellic acid limela, 'me e phetha karolo ea ho fokotsa lijalo, Karolo ea ho laola kholo ea limela.Leha ho le joalo, prohexadione-calcium ha e na mesaletsa limela, ha e na tšilafalo ea tikoloho, le tšusumetso e fokolang ho lijalo tse latelang le limela tse sa lebelloang.Ho ka boleloa hore e na le tebello e pharaletseng haholo ea kopo.
Nako ea poso: Jun-23-2022