Mmepe kachasị ọhụrụ nke Topramezone

Topramezone bụ ọgwụ ogwu mbụ BASF mepụtara maka ubi ọka, nke bụ ihe na-egbochi 4-hydroxyphenylpyruvate oxidase (4-HPPD). Kemgbe ewepụtara ya na 2011, aha ngwaahịa ahụ bụ "Baowei" edepụtala na China, na-emebi ntụpọ nchekwa nke ọgwụ ahịhịa ọdịnala ma na-adọta uche ụlọ ọrụ.

Uru kachasị pụta ìhè nke topramezone bụ nchekwa ya maka ọka na ihe ọkụkụ ndị na-esote ya, a na-ejikwa ya nke ọma n'ihe fọrọ nke nta ka ọ bụrụ ụdị ọka niile dịka ọka nkịtị, ọka glutinous, ọka sweet, ọka ubi, na popcorn. N'otu oge ahụ, ọ nwere ọtụtụ ụdị ahịhịa, ọrụ dị elu, na ike ịgbagharị agbagharị, ma nwee mmetụta dị mma na ahịhịa ndị na-eguzogide glyphosate, triazine, acetyllactate synthase (ALS) inhibitors, na acetyl CoA carboxylase (ACCase) inhibitors.

Dịka akụkọ si kwuo, n'afọ ndị na-adịbeghị anya, ka ahịhịa ndị na-eguzogide ọgwụ n'ubi ọka na-esiwanye ike ịchịkwa, uru na njikwa nke ụtaba ọdịnala na ọgwụ nitrate ebelatala, ụlọ ọrụ ọgwụ ahụhụ n'ime obodo etinyewokwa uche nke ukwuu na topramezone. Ka patent BASF na China na-agwụ (nọmba patent ZL98802797.6 maka topramezone gwụchara na Jenụwarị 8, 2018), usoro nhazi nke ọgwụ mbụ ahụ na-agakwa n'ihu n'ihu, ahịa ya ga-emepekwa nwayọ nwayọ.

Na 2014, ahịa topramezone zuru ụwa ọnụ bụ nde dọla US 85, na 2017, ahịa zuru ụwa ọnụ ruru nde dọla US 124, nke nọ n'ọkwa nke anọ n'etiti ọgwụ mgbochi HPPD (atọ kachasị elu bụ nitrosulfuron, isoxacloprid, na cyclosulfuron). Na mgbakwunye, ụlọ ọrụ dịka Bayer na Syngenta erutela nkwekọrịta iji mepụta soybeans nke na-anabata HPPD, nke nyekwara aka na uto nke ahịa topramezone. Site n'echiche nke ọnụ ọgụgụ ahịa zuru ụwa ọnụ, ahịa ahịa bụ isi nke topramezone dị na mba dịka United States, Germany, China, India, Indonesia, na Mexico.