Mancozeb feem ntau yog siv los tswj zaub downy mildew, anthrax, xim av thiab lwm yam. Tam sim no, nws yog tus neeg sawv cev zoo tshaj plaws rau kev tiv thaiv thiab tswj cov txiv lws suav thaum ntxov thiab qos yaj ywm lig blight, thiab kev tiv thaiv kev ua tau zoo yog li 80% thiab 90%, feem. Nws feem ntau yog txau rau ntawm nplooj nplooj, thiab tshuaj tsuag ib zaug txhua 10-15 hnub.
1. Kev tswj cov txiv lws suav, eggplant, qos yaj ywm blight, anthrax, nplooj nplooj, nrog 80% wettable hmoov 400-600 zaug kua. Txau thaum pib ntawm tus kab mob, thiab tshuaj tsuag 3-5 zaug.
2. Txhawm rau tiv thaiv thiab tswj cov nroj tsuag blight thiab cataplaosis, siv 80% wettable hmoov thiab sib tov cov noob raws li 0.1-0.5% ntawm cov noob hnyav.
3. Kev tiv thaiv thiab kev kho mob ntawm melon downy mildew, anthrax, xim av, nrog 400-500 zaug kua tshuaj tsuag, tshuaj tsuag 3-5 zaug.
4. Kev tiv thaiv thiab kev kho mob ntawm cabbage, cabbage downy mildew, celery chaw kab mob, nrog 500 mus rau 600 zaug kua tshuaj tsuag, tshuaj tsuag 3-5 zaug.
5. Tswj taum anthracnose, kab mob liab, nrog 400-700 zaug ua kua tshuaj tsuag, tshuaj tsuag 2-3 zaug.
Kev siv tseem ceeb
1. Cov khoom yog ib tug dav spectrum ntawm foliar tiv thaiv fungicide, dav siv nyob rau hauv txiv hmab txiv ntoo ntoo, zaub thiab teb cov qoob loo, muaj peev xwm tiv thaiv thiab tswj ntau yam kab mob tseem ceeb nplooj fungal, xws li nplej xeb, pob kws loj qhov chaw, qos yaj ywm phytophthora kab mob, txiv hmab txiv ntoo. kab mob hnub qub dub, anthrax thiab lwm yam. Cov koob tshuaj yog 1.4-1.9kg (cov khoom xyaw nquag) / hm2. Vim nws txoj kev siv dav thiab kev ua tau zoo, nws tau dhau los ua ntau yam tseem ceeb ntawm cov tshuaj tiv thaiv tsis-endogenic fungicides. Nws tuaj yeem siv hloov pauv lossis sib xyaw nrog cov tshuaj fungicides kom muaj txiaj ntsig zoo.
2. Broad-spectrum tiv thaiv fungicides. Nws yog dav siv nyob rau hauv txiv hmab txiv ntoo ntoo, zaub thiab teb cov qoob loo los tiv thaiv thiab tswj ntau yam tseem ceeb nplooj kab mob fungal. Nrog 70% wettable hmoov 500 ~ 700 zaug kua tshuaj tsuag, tuaj yeem tiv thaiv zaub thaum ntxov, grey pwm, downy mildew, melon anthrax. Nws kuj tseem siv tau los tiv thaiv thiab tswj cov kab mob hnub qub dub, kab mob hnub qub liab thiab anthrax ntawm cov ntoo txiv ntoo.
Post lub sij hawm: Nov-22-2024