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Majele kekere, ko si aloku alawọ ewe eleto idagbasoke – kalisiomu prohexadione

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