Cov tshuaj tua kab mob

Fungicides yog ib hom tshuaj tua kab uas siv los tswj cov kab mob nroj tsuag los ntawm ntau yam kab mob pathogenic. Cov fungicides muab faib ua inorganic fungicides thiab organic fungicides raws li lawv cov tshuaj muaj pes tsawg leeg. Muaj peb hom inorganic fungicides: sulfur fungicides, tooj liab fungicides, thiab mercury fungicides; Organic fungicides tuaj yeem muab faib ua cov organic sulfur (xws li mancozeb), trichloromethyl sulfide (xws li captan), hloov benzene (xws li Chlorothalonil), pyrrole (xws li noob hnav khaub ncaws), organic phosphorus (xws li txhuas ethophosphate), Benzimidazole (xws li. xws li Carbendazim), triazole (xws li triadimefon, triadimenol), phenylamide (xws li metalaxyl), thiab lwm yam.

Raws li kev tiv thaiv thiab kho cov khoom, Nws tuaj yeem muab faib ua Fungicide, bactericides, tua kab mob, thiab lwm yam. Raws li hom kev ua, nws tuaj yeem muab faib ua cov tshuaj tiv thaiv fungicides, inhalable fungicides, thiab lwm yam. Raws li cov khoom siv raw, Nws tuaj yeem muab faib ua cov tshuaj tua kab mob fungicides, tshuaj tua kab mob ua liaj ua teb (xws li jinggangmycin, tshuaj tua kab mob ua liaj ua teb 120), cog fungicides, cog Defensin, thiab lwm yam raws li cov txheej txheem ntawm kev tua tshuaj tua kab, feem ntau tuaj yeem muab faib ua ob pawg: oxidizing thiab non oxidizing fungicides. Piv txwv li, chlorine, Sodium hypochlorite, bromine, ozone thiab chloramine yog oxidizing bactericides; Quaternary ammonium cation, dithiocyanomethane, thiab lwm yam yog tsis oxidizing fungicides.

1. Kev ceev faj rau kev siv cov tshuaj tua kab mob thaum xaiv cov tshuaj tua kab mob, nws yog ib qho tseem ceeb kom nkag siab txog lawv cov khoom. Muaj ob hom fungicides, ib qho yog cov tshuaj tiv thaiv, uas yog siv los tiv thaiv cov kab mob, xws li Bordeaux sib tov kua, mancozeb, Carbendazim, thiab lwm yam; Lwm hom yog cov tshuaj kho mob, uas yog siv tom qab pib ntawm cov nroj tsuag kab mob los tua los yog inhibit cov kab mob pathogenic invading lub cev cog. Cov kws kho mob muaj txiaj ntsig zoo nyob rau theem pib ntawm cov kab mob, xws li cov tshuaj fungicides xws li Kangkuning thiab Baozhida.

2. Cov tshuaj tua kab mob yuav tsum tau txau ua ntej 9 teev sawv ntxov lossis tom qab 4 teev tsaus ntuj kom tsis txhob siv nyob rau hauv tshav kub kub. Yog hais tias txau nyob rau hauv scorching hnub, cov tshuaj tua kab yog nquag mus decomposition thiab evaporation, uas yog tsis conducive rau qoob loo absorption.

3. Cov tshuaj tua kab mob tsis tuaj yeem sib xyaw nrog cov tshuaj tua kab alkaline. Tsis txhob arbitrarily nce los yog txo tus nqi ntawm fungicides siv, thiab siv lawv raws li xav tau.

4. Cov tshuaj fungicides feem ntau yog hmoov, emulsions, thiab tshem tawm, thiab yuav tsum tau diluted ua ntej thov. Thaum diluting, thawj zaug ntxiv tshuaj, ces ntxiv dej, thiab ces do nrog ib tug stick. Thaum sib xyaw nrog lwm cov tshuaj tua kab, cov fungicide yuav tsum tau diluted ua ntej thiab tom qab ntawd tov nrog lwm cov tshuaj tua kab.

5. Lub sijhawm nruab nrab ntawm kev siv tshuaj tua kab mob yog 7-10 hnub. Rau cov neeg ua hauj lwm uas tsis muaj zog adhesion thiab tsis zoo rau sab hauv, lawv yuav tsum tau muab tshuaj tsuag dua thaum los nag hauv 3 teev tom qab txau.