Dichlorvos, mankhwala ophera tizilombo a organophosphorus, ali ndi kawopsedwe kwambiri komanso zotsatira zabwino zowononga tizirombo.Tiyeni tione pamodzi.

Dichlorvos amadziwikanso kuti DDVP, mtundu wa mankhwala ophera tizilombo a organophosphate.Choyeracho ndi madzi opanda mtundu mpaka amber okhala ndi fungo lonunkhira pang'ono.Kukonzekera kwake kumakhala kwachikasu chopepuka mpaka chachikasu-bulauni chamafuta amadzimadzi, omwe amawola pang'onopang'ono munjira yamadzimadzi ndipo amathamanga akakumana ndi alkali.Ndilokhazikika potentha komanso limawononga chitsulo.Poyizoni kwa anthu ndi nyama, kawopsedwe wambiri ku nsomba, komanso poizoni kwambiri ku njuchi.

The insecticidal zotsatira za dichlorvos

Dichlorvos ndi mankhwala ophera tizilombo komanso acaricide.Zimakhala ndi zotsatira za kuphana, kupha m'mimba komanso kufukiza.Zotsatira zake ndizabwino kuposa trichlorfon, ndipo zimagwetsa tizirombo mwachangu.Itha kugwiritsidwa ntchito ngati masamba, mitengo yazipatso ndi mbewu zosiyanasiyana zapamunda.

Kuchuluka kwa ntchito ya dichlorvos

1. Kupewa ndi kuwongolera mbozi ya kabichi, nyongolotsi ya kabichi, nsabwe za m'masamba, nsabwe za m'masamba, prodenia litura, utsi ndi 80% EC 1500-2000 nthawi.

2. Kuteteza ndi kuwongolera nyerere makumi awiri ndi zisanu ndi zitatu za nyenyezi, mbozi, whitefly, thonje bollworm, diamondback moth, lamp moth, armyworm, utsi ndi 80% EC 1000 nthawi.

3.Kuti muteteze akangaude ofiira ndi nsabwe za m'masamba, perekani ndi 50% EC 1000-1500 nthawi.

4. Pofuna kupewa ndi kuchiza mphutsi, mavwende achikasu achikasu ndi kafadala achikasu, tsitsani kapena kuthirira mizu ndi 800-1000 nthawi za 80% EC.

5.1000 nthawi zamadzimadzi, yang'anani kupopera mbewu mankhwalawa, maluwa, nyemba zanthete ndi maluwa apansi, utsi nthawi 2-3.

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