Low toxicity, babu sauran kore shuka girma regulator - prohexadione calcium

Prohexadione sabon nau'in mai sarrafa ci gaban shuka ne na cyclohexane carboxylic acid.Japan Combination Chemical Industry Co., Ltd. da BASF na Jamus ne suka haɓaka shi tare.Yana hana biosynthesis na gibberellin a cikin tsire-tsire kuma yana sanya tsire-tsire Abubuwan da ke cikin gibberellin yana raguwa, ta haka yana jinkirtawa da sarrafa ci gaban tsire-tsire.An fi amfani da shi a cikin amfanin gona na hatsi, kamar alkama, sha'ir, juriya na masaukin shinkafa, kuma ana iya amfani da su a cikin gyada, furanni da lawn don sarrafa girma.

1 Gabatarwar Samfur

Sunan gama gari na kasar Sin: procyclonic acid calcium

Sunan gama gari na Ingilishi: Prohexadione-calcium

Sunan hade: calcium 3-oxo-5-oxo-4-propionylcyclohex-3-enecarboxylate

Lambar shiga CAS: 127277-53-6

Tsarin kwayoyin halitta: C10H10CaO5

Dangantakar kwayoyin halitta: 250.3

Tsarin tsari:

Kayayyakin jiki da sinadarai: Bayyanar: farin foda;wurin narkewa> 360 ℃;tururi matsa lamba: 1.74×10-5 Pa (20 ℃);octanol / ruwa rabo coefficient: Kow lgP = -2.90 (20 ℃);yawa: 1.435 g/ml;Matsayin Henry: 1.92 × 10-5 Pa m3mol-1 (calc.).Solubility (20 ℃): 174 MG / L a cikin ruwa mai narkewa;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/lKwanciyar hankali: kwanciyar hankali har zuwa 180 ℃;hydrolysis DT50 <5 d (pH = 4, 20 ℃), 21 d (pH7, 20 ℃), 89 d (pH9, 25 ℃);a cikin ruwa na halitta, ruwa photolysis DT50 ne 6.3 d, da photolysis DT50 a distilled ruwa ne 2.7 d (29～34 ℃, 0.25W/m2).

Guba: Maganin asali na prohexadione shine maganin kashe kwari mai ƙarancin guba.Babban LD50 na baka (namiji / mace) na berayen shine> 5,000 mg / kg, m LD50 (namiji / mace) na berayen shine> 2,000 mg / kg, kuma LD50 na baka na berayen (namiji / mace) shine> 2,000 mg/kg.Inhalation mai guba LC50 (4 h, namiji/mace)> 4.21 mg/L.A lokaci guda kuma, tana da ƙarancin guba ga halittun muhalli kamar tsuntsaye, kifi, ƙuman ruwa, algae, ƙudan zuma, da tsutsotsin ƙasa.

Hanyar aiki: Ta hanyar tsoma baki tare da kira na gibberellic acid a cikin tsire-tsire, yana rage abun ciki na gibberellic acid a cikin tsire-tsire, yana sarrafa ci gaban leggy, yana inganta furanni da 'ya'yan itace, yana ƙara yawan amfanin ƙasa, haɓaka tsarin tushen, yana kare membranes na sel da membranes organelle, da kuma ingantawa. amfanin gona danniya juriya.Don hana ci gaban ciyayi na ɓangaren sama na shuka da haɓaka haɓakar haifuwa.

2 Rijista

Dangane da binciken cibiyar sadarwa ta yanar gizo na maganin kashe kwari ta kasar Sin, ya zuwa watan Janairu na shekarar 2022, an yi rajistar kayayyakin calcium na prohexadione guda 11 a kasarta, wadanda suka hada da magungunan fasaha 3 da shirye-shirye guda 8, kamar yadda aka nuna a tebur 1.

Table 1 Rajista na prohexadione calcium a cikin ƙasata

3 Hasashen kasuwa

A matsayin koren girma mai kula da shuka, prohexadione calcium daidai yake da masu kula da ci gaban shuka na paclobutrasol, niconazole da trinexapac-ethyl.Yana hana biosynthesis na gibberellic acid a cikin tsire-tsire, kuma yana taka rawa a cikin dwarfing amfanin gona, Matsayin sarrafa ci gaban shuka.Duk da haka, prohexadione-calcium ba shi da ragowa a kan tsire-tsire, ba shi da gurɓata muhalli, da ƙarancin tasiri akan amfanin gona na gaba da tsire-tsire marasa manufa.Ana iya cewa yana da fa'idar aikace-aikace mai fa'ida.