Nsí dị ala, enweghị ihe fọdụrụ na-achịkwa uto osisi akwụkwọ ndụ akwụkwọ ndụ - calcium prohexadione

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

1 Okwu Mmalite Ngwaahịa

Aha a na-akpọkarị ndị China: calcium procyclonic acid

Aha a na-akpọkarị n'asụsụ Bekee: Prohexadione-calcium

Aha ihe mejupụtara ya: calcium 3-oxo-5-oxo-4-propionylcyclohex-3-enecarboxylate

Nọmba nnabata CAS: 127277-53-6

Usoro molekụla: C10H10CaO5

Oke molekul dị n'otu: 250.3

Usoro nhazi:

Njirimara anụ ahụ na kemịkalụ: Ọdịdị: ntụ ntụ ọcha; ebe agbaze >360℃; nrụgide uzuoku: 1.74×10-5 Pa (20℃); ọnụọgụ nkewa octanol/mL: Kow lgP=-2.90 (20℃); njupụta: 1.435 g/mL; Henry's na-agbanwe agbanwe: 1.92 × 10-5 Pa m3mol-1 (calc.). Mgbaze (20℃): 174 mg/L na mmiri a gwakọtara agwakọta; 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. Ịkwụsi ike: okpomọkụ kwụsiri ike ruo 180℃; hydrolysis DT50<5 d (pH=4, 20℃), 21 d (pH7, 20℃), 89 d (pH9, 25℃); na mmiri eke, photolysis mmiri DT50 bụ 6.3 d, photolysis DT50 na mmiri a gwakọtara agwakọta bụ 2.7 d (29~34℃, 0.25W/m2).

Nsí: Ọgwụ mbụ nke prohexadione bụ ọgwụ nje na-egbu egbu nke na-adịghị egbu egbu. LD50 ọnụ (nwoke/nwanyị) nke oke dị oke ibu karịrị 5,000 mg/kg, LD50 percutaneous nke oke dị oke ibu karịrị 2,000 mg/kg, ebe LD50 ọnụ dị oke ibu karịa 2,000 mg/kg. Nsí iku ume LC50 (awa 4, nwoke/nwanyị) karịrị 4.21 mg/L. N'otu oge ahụ, ọ nwere obere nsí nye ihe ndị dị ndụ gburugburu ebe obibi dịka nnụnụ, azụ̀, fleas mmiri, algae, aṅụ, na ikpuru ala.

Usoro ọrụ: Site n'igbochi mmepụta nke gibberellic acid n'ime osisi, ọ na-ebelata ọdịnaya nke gibberellic acid n'ime osisi, na-achịkwa uto ụkwụ, na-akwalite okooko na ịmị mkpụrụ, na-eme ka mkpụrụ dịkwuo elu, na-emepụta sistemụ mgbọrọgwụ, na-echebe akpụkpọ ahụ sel na akpụkpọ ahụ organelle, ma na-eme ka iguzogide nrụgide ihe ubi ka mma. Iji gbochie uto ahịhịa nke akụkụ elu nke osisi ahụ ma kwalite uto ọmụmụ.

2 Ndebanye aha

Dịka ajụjụ nke China Pesticide Information Network si kwuo, dịka ọ dị na Jenụwarị 2022, edebanyela aha ngwaahịa calcium prohexadione iri na otu na mba m, gụnyere ọgwụ teknụzụ atọ na nkwadebe asatọ, dịka egosiri na Tebụl 1.

Tebụl 1 Ndebanye aha nke calcium prohexadione na mba m

3. Ọdịnihu ahịa

Dịka onye na-achịkwa uto osisi akwụkwọ ndụ akwụkwọ ndụ, calcium prohexadione bụ otu ihe ahụ dịka ndị na-achịkwa uto osisi nke paclobutrazol, niconazole na trinexapac-ethyl. Ọ na-egbochi biosynthesis nke gibberellic acid n'ime osisi, ma na-arụ ọrụ na-eme ka ihe ọkụkụ dị ntakịrị, Ọrụ nke ijikwa uto osisi. Agbanyeghị, prohexadione-calcium enweghị ihe fọdụrụ na osisi, enweghị mmetọ gburugburu ebe obibi, ọ nweghịkwa mmetụta dị nta na ihe ọkụkụ ndị na-esote na osisi ndị na-abụghị ihe a na-elekwasị anya. A pụrụ ikwu na o nwere ohere itinye ya n'ọrụ sara mbara.