Nsi dị ala, enweghị ihe fọdụrụ na-ahụ maka uto ahịhịa ndụ - prohexadione calcium

Prohexadione bụ ụdị ọhụrụ nke na-achịkwa uto osisi nke cyclohexane carboxylic acid.Ọ bụ Japan Combination Chemical Industry Co., Ltd. na BASF nke Germany mebere ya.Ọ na-egbochi biosynthesis nke gibberellin n'ime osisi ma na-eme ihe ọkụkụ A na-ebelata ọdịnaya gibberellin, si otú ahụ na-egbu oge ma na-achịkwa uto leggy nke osisi.A na-ejikarị ya n'ubi ọka, dị ka ọka wit, ọka bali, ebe obibi osikapa, nwekwara ike iji na ahụekere, ifuru na ahịhịa iji chịkwaa uto ha.

1 Okwu Mmalite

Aha ndị China: procyclonic acid calcium

Asụsụ Bekee: Prohexadione-calcium

Aha ngwakọta: calcium 3-oxo-5-oxo-4-propionylcyclohex-3-enecarboxylate

Nọmba ntinye CAS: 127277-53-6

Usoro ihe omimi: C10H10CaO5

Ọnụ ọgụgụ molekụla njikọ: 250.3

Usoro nhazi:

Njirimara anụ ahụ na kemịkal: Ọdịdị: ọcha ntụ ntụ;ebe mgbaze> 360 ℃;uzuoku mgbali: 1.74×10-5 Pa (20 ℃);ọnụọgụ nkebi nke octanol / mmiri: Kow lgP = -2.90 (20 ℃);njupụta: 1.435 g/mL;Henry mgbe niile: 1.92 × 10-5 Pa m3mol-1 (calc.).Solubility (20 ℃): 174 mg / L na mmiri distilled;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 0.004 mg / L.Nkwụsi ike: okpomọkụ siri ike ruo 180 ℃;hydrolysis DT50 <5 d (pH = 4, 20 ℃), 21 d (pH7, 20 ℃), 89 d (pH9, 25 ℃);na mmiri eke, mmiri photolysis DT50 bụ 6.3 d, na photolysis DT50 na distilled mmiri bụ 2.7 d (29～34 ℃, 0.25W/m2).

Nsi: Ọgwụ mbụ nke prohexadione bụ pesticide dị ala na-egbu egbu.Nnukwu ọnụ LD50 (nwoke / nwanyị) nke oke bụ> 5,000 mg / kg, nnukwu percutaneous LD50 (nwoke / nwanyị) nke oke bụ> 2,000 mg / kg, yana nnukwu ọnụ LD50 nke oke (nwoke / nwanyị) bụ> 2,000 mg / kg.Nsi iku ume LC50 (4 h, nwoke/nwoke)> 4.21 mg/L.N'otu oge ahụ, ọ nwere obere nsi na gburugburu ebe obibi dị ka nnụnụ, azụ, fleas mmiri, algae, aṅụ, na earthworms.

Usoro nke ime ihe: Site na itinye aka na njikọ nke gibberellic acid na osisi, ọ na-ebelata ọdịnaya nke gibberellic acid na osisi, na-achịkwa uto leggy, na-akwalite okooko na ịmị mkpụrụ, na-abawanye mkpụrụ, na-emepụta usoro mgbọrọgwụ, na-echebe membranes cell na organelle membranes, na mma. akuku nrụgide na-eguzogide.Iji gbochie uto vegetative nke akụkụ elu nke osisi ahụ ma kwalite uto ịmụ nwa.

2 ndebanye aha

Dị ka ajụjụ China Pesticide Information Network si kwuo, dị ka nke Jenụwarị 2022, e debanyere mkpokọta ngwaahịa calcium prohexadione 11 na mba m, gụnyere ọgwụ teknụzụ 3 na nkwadebe 8, dị ka egosiri na Tebụl 1.

Isiokwu 1 Ndebanye aha calcium prohexadione na obodo m

3 Atụmanya ahịa

Dị ka onye na-ahụ maka ihe ọkụkụ na-eto eto na-acha akwụkwọ ndụ akwụkwọ ndụ, calcium prohexadione bụ otu ihe ahụ dị ka ndị na-ahụ maka uto osisi nke paclobutrazol, niconazole na trinexapac-ethyl.Ọ na-egbochi biosynthesis nke gibberellic acid na osisi, ma na-ekere òkè n'ịkụda ihe ọkụkụ, Ọrụ nke ịchịkwa uto osisi.Otú ọ dị, prohexadione-calcium enweghị ihe fọdụrụ na osisi, ọ dịghị mmetọ gburugburu ebe obibi, yana mmetụta dị ntakịrị na ihe ọkụkụ na-esote na osisi ndị na-abụghị ndị ezubere iche.Enwere ike ịsị na o nwere atụmanya ngwa ngwa sara mbara.