Prohexadione jẹ iru tuntun ti olutọsọna idagbasoke ọgbin ti cyclohexane carboxylic acid.O jẹ idagbasoke ni apapọ nipasẹ Japan Combination Chemical Industry Co., Ltd. ati BASF ti Jamani.O ṣe idiwọ biosynthesis ti gibberellin ninu awọn ohun ọgbin ati mu ki awọn ohun ọgbin ṣe akoonu gibberellin dinku, nitorinaa idaduro ati iṣakoso idagba ẹsẹ ti awọn irugbin.Ni akọkọ ti a lo ninu awọn irugbin arọ kan, gẹgẹbi alikama, barle, resistance ibugbe iresi, tun le ṣee lo ninu awọn ẹpa, awọn ododo ati awọn lawn lati ṣakoso idagbasoke wọn.
1 Ifihan ọja
Orukọ Kannada ti o wọpọ: procyclonic acid calcium
English wọpọ orukọ: Prohexadione-calcium
Orukọ akojọpọ: calcium 3-oxo-5-oxo-4-propionylcyclohex-3-enecarboxylate
CAS wiwọle nọmba: 127277-53-6
Ilana molikula: C10H10CaO5
Opo molikula ibatan: 250.3
Ilana igbekalẹ:
Awọn ohun-ini ti ara ati kemikali: Irisi: funfun lulú;yo ojuami> 360 ℃;oru titẹ: 1.74× 10-5 Pa (20 ℃);octanol/omi ipin olùsọdipúpọ: Kow lgP = -2.90 (20℃);iwuwo: 1.435 g/ml;Igbagbogbo Henry: 1.92 × 10-5 Pa m3mol-1 (calc.).Solubility (20 ℃): 174 miligiramu / L ninu omi distilled;methanol 1.11 mg/L, acetone 0.038 mg/L, n-hexane 0.003 mg/L, toluene 0.004 mg/L, ethyl acetateIduroṣinṣin: iwọn otutu iduroṣinṣin to 180 ℃;hydrolysis DT50<5 d (pH=4, 20℃), 21d (pH7, 20℃), 89 d (pH9, 25℃);ninu omi adayeba, omi photolysis DT50 jẹ 6.3 d, awọn photolysis DT50 ni distilled omi je 2.7 d (29~34℃, 0.25W/m2).
Majele: Oogun atilẹba ti prohexadione jẹ ipakokoro-majele kekere kan.LD50 ẹnu nla ti awọn eku jẹ> 5,000 miligiramu / kg, LD50 percutaneous nla ti awọn eku jẹ> 2,000 mg / kg, ati LD50 ẹnu nla ti awọn eku (ọkunrin / obinrin) jẹ> 2,000 mg / kg.Majele ti ifasimu LC50 (wakati 4, akọ/obinrin)> 4.21 mg/L.Ni akoko kanna, o ni majele ti o kere si awọn oganisimu ayika gẹgẹbi awọn ẹiyẹ, ẹja, awọn fleas omi, ewe, oyin, ati awọn kokoro aye.
Ilana ti iṣe: Nipa kikọlu pẹlu iṣelọpọ ti gibberellic acid ninu awọn irugbin, o dinku akoonu ti gibberellic acid ninu awọn irugbin, ṣakoso idagbasoke leggy, ṣe agbega aladodo ati eso, mu ikore pọ si, ndagba awọn eto gbongbo, daabobo awọn membran sẹẹli ati awọn membran organelle, ati ilọsiwaju. irugbin wahala resistance.Nitorinaa lati ṣe idiwọ idagbasoke vegetative ti apa oke ti ọgbin ati igbelaruge idagbasoke ibisi.
2 Iforukọsilẹ
Gẹgẹbi ibeere ti Nẹtiwọọki Alaye Pesticide China, ni Oṣu Kini ọdun 2022, apapọ awọn ọja kalisiomu prohexadione 11 ti forukọsilẹ ni orilẹ-ede mi, pẹlu awọn oogun imọ-ẹrọ 3 ati awọn igbaradi 8, bi o ṣe han ni Tabili 1.
Tabili 1 Iforukọsilẹ ti kalisiomu prohexadione ni orilẹ-ede mi
Iforukọ koodu | Orukọ ipakokoropaeku | Fọọmu iwọn lilo | Lapapọ akoonu | Nkan ti idena |
PD20170013 | Prohexadine kalisiomu | TC | 85% | |
PD20173212 | Prohexadine kalisiomu | TC | 88% | |
PD20210997 | Prohexadine kalisiomu | TC | 92% | |
PD20212905 | Prohexadione calcium ·Uniconazole | SC | 15% | Rice ṣe ilana idagbasoke |
PD20212022 | Prohexadine kalisiomu | SC | 5% | Rice ṣe ilana idagbasoke |
PD20211471 | Prohexadine kalisiomu | SC | 10% | Epa ṣe ilana idagbasoke |
PD20210196 | Prohexadine kalisiomu | omi dispersible granules | 8% | Ọdunkun ofin idagbasoke |
PD20200240 | Prohexadine kalisiomu | SC | 10% | Epa ṣe ilana idagbasoke |
PD20200161 | Prohexadione calcium ·Uniconazole | omi dispersible granules | 15% | Rice ṣe ilana idagbasoke |
PD20180369 | Prohexadine kalisiomu | Effervescent granules | 5% | Ẹpa ṣe ilana idagba;Idagba ti a ṣe ilana Ọdunkun;Alikama n ṣe ilana Idagbasoke;Irẹsi ṣe ilana idagbasoke |
PD20170012 | Prohexadine kalisiomu | Effervescent granules | 5% | Rice ṣe ilana idagbasoke |
3 Oja asesewa
Gẹgẹbi olutọsọna idagbasoke ọgbin alawọ ewe, kalisiomu prohexadione jẹ kanna bii awọn olutọsọna idagbasoke ọgbin ti paclobutrazol, niconazole ati trinexapac-ethyl.O ṣe idiwọ biosynthesis ti gibberellic acid ninu awọn ohun ọgbin, o si ṣe ipa kan ninu awọn irugbin didan, ipa ti iṣakoso idagbasoke ọgbin.Sibẹsibẹ, prohexadione-calcium ko ni aloku lori awọn eweko, ko si idoti si ayika, ati pe ko ni ipa lori awọn irugbin ti o tẹle ati awọn eweko ti kii ṣe afojusun.O le sọ pe o ni ifojusọna ohun elo gbooro pupọ.
Akoko ifiweranṣẹ: Jun-23-2022