唑啉草酯 Orukọ jeneriki Gẹẹsi jẹ Pinoxaden; Orukọ kemikali jẹ 8- (2,6-diethyl-4-methylphenyl) -1,2,4,5-tetrahydro-7-oxo-7H- Pyrazolo [1,2-d] [1,4,5] oxadiazepine-9-yl 2,2-dimethylpropionate; Ilana molikula: C23H32N2O4; Iwọn molikula ibatan: 400.5; CAS wiwọle No.: [243973-20-8]; ilana agbekalẹ ti han ni Figure. O jẹ ifjadejade lẹhin-jade ati herbicide yiyan ti o dagbasoke nipasẹ Syngenta. O ti ṣe ifilọlẹ ni ọdun 2006 ati awọn tita rẹ ni ọdun 2007 kọja US $ 100 milionu.
Mechanism ti igbese
Pinoxaden jẹ ti kilasi phenylpyrazoline tuntun ti awọn herbicides ati pe o jẹ oludena acetyl-CoA carboxylase (ACC). Ilana iṣe rẹ jẹ pataki lati ṣe idiwọ iṣelọpọ acid fatty, eyiti o yori si idinamọ ti idagbasoke sẹẹli ati pipin, ati iku ti awọn irugbin igbo, pẹlu ifarapa eto. A lo ọja naa ni pataki bi oogun egboigi lẹhin-jade ni awọn aaye arọ kan fun ṣiṣakoso awọn èpo koriko.
Ohun elo
Pinoxaden jẹ yiyan, igbona eleto koriko ti o n ṣe eleto, ṣiṣe daradara pupọ, iwọn-ọrọ, ati gbigba ni iyara nipasẹ awọn eso igi ati awọn ewe. Iṣakoso lẹhin-jade ti awọn èpo gramineous lododun ni alikama ati awọn aaye barle, gẹgẹbi sagebrush, Japanese sagebrush Japanese, oats igbo, ryegrass, thorngrass, foxtail, koriko lile, serratia ati thorngrass, bbl O tun ni ipa iṣakoso ti o dara julọ lori awọn koriko koriko ti o lagbara gẹgẹbi ryegrass. Iwọn lilo eroja jẹ 30-60 g / hm2. Pinoxaden dara pupọ fun awọn woro irugbin orisun omi; lati mu aabo ọja dara si, a ti ṣafikun fenoxafen safener.
1. Yara ibẹrẹ. Awọn ọsẹ 1 si 3 lẹhin oogun naa, awọn aami aiṣan ti phytotoxicity han, ati meristem ni kiakia da duro dagba ati necroses ni iyara;
2. Ga abemi aabo. Ailewu fun irugbin lọwọlọwọ ti alikama, barle ati biosafety ti kii ṣe ibi-afẹde, ailewu fun awọn irugbin ti o tẹle ati agbegbe;
3. Ilana ti iṣe jẹ alailẹgbẹ ati ewu ti resistance jẹ kekere. Pinoxaden ni ipilẹ kemikali tuntun-titun pẹlu awọn aaye iṣe oriṣiriṣi, eyiti o mu aaye idagbasoke rẹ pọ si ni aaye ti iṣakoso resistance.
Akoko ifiweranṣẹ: Jul-04-2022