Chlorothalonil

Chlorothalonil ndi fungicide yoteteza

Chlorothalonil ndi Mancozeb onse ndi mankhwala oteteza bowa omwe adatuluka mu 1960s ndipo adanenedwa koyamba ndi TURNER NJ koyambirira kwa 1960s. Chlorothalonil inayikidwa pamsika mu 1963 ndi Diamond Alkali Co. (kenako inagulitsidwa ku ISK Biosciences Corp. ya Japan) ndipo kenako inagulitsidwa ku Zeneca Agrochemicals (tsopano Syngenta) mu 1997. Chlorothalonil ndi fungicide yotetezera yotambasula yokhala ndi malo angapo ochitapo kanthu, yomwe ingagwiritsidwe ntchito pofuna kupewa ndi kuchiza matenda a udzu. Kukonzekera kwa chlorothalonil kudalembetsedwa koyamba ku United States mu 1966 ndipo kumagwiritsidwa ntchito ngati kapinga. Zaka zingapo pambuyo pake, idapeza kulembetsa kwa fungicide ya mbatata ku United States. Unali mankhwala oyamba ophera bowa kuvomerezedwa ku mbewu zazakudya ku United States. Pa Disembala 24, 1980, chida chowongolera choyimitsidwa (Daconil 2787 Flowable Fungicide) chidalembetsedwa. Mu 2002, udzu wolembetsedwa kale Daconil 2787 W-75 TurfCare udatha ku Canada, koma kuyimitsidwa koyimitsidwa kwagwiritsidwa ntchito mpaka pano. Pa Julayi 19, 2006, chida china cha chlorothalonil, Daconil Ultrex, chidalembetsedwa koyamba.

Misika isanu yapamwamba kwambiri ya chlorothalonil ili ku United States, France, China, Brazil, ndi Japan. United States ndiye msika waukulu kwambiri. Mbewu zazikulu zomwe zimagwiritsidwa ntchito ndi zipatso, ndiwo zamasamba ndi mbewu, mbatata, ndi zosalima. Mbewu za ku Europe ndi mbatata ndiye mbewu zazikulu za chlorothalonil.

Chitetezo cha fungicide chimatanthawuza kupopera mbewu pamwamba pa mmera matenda asanakhalepo kuti ateteze kuukira kwa tizilombo toyambitsa matenda, kuti mbewuyo itetezedwe. Ma fungicides oteteza otere adapangidwa kale ndipo akhala akugwiritsidwa ntchito kwa nthawi yayitali kwambiri.

Chlorothalonil ndi mankhwala opha tizilombo toyambitsa matenda omwe amateteza malo ambiri. Amagwiritsidwa ntchito kwambiri popopera mbewu mankhwalawa pofuna kupewa ndi kuwongolera matenda osiyanasiyana a mbewu zosiyanasiyana monga masamba, mitengo yazipatso ndi tirigu, monga choipitsa choyambirira, choipitsa chochedwa, downy mildew, Powdery mildew, leaf spot, ndi zina zotero. Zimagwira ntchito poletsa kumera kwa spore ndi kayendedwe ka zoospore.

Kuphatikiza apo, chlorothalonil imagwiritsidwanso ntchito ngati chosungira nkhuni komanso zowonjezera utoto (anti-corrosion).