Kodi mungapangire bwanji mankhwala ophera tizilombo panyengo yamvula?

A,Sankhani nthawi yoyenera kugwiritsa ntchito

Mukhoza kusankha kugwiritsa ntchito nthawi molingana ndi ntchito zizolowezi za tizirombo, monga tizilombo toyambitsa matenda monga masamba a masamba akugwira ntchito usiku, kupewa ndi kuchiza tizirombozi ziyenera kugwiritsidwa ntchito madzulo.

B,Sankhani mtundu woyenera mankhwala

M'nyengo yamvula, chitetezo, mayamwidwe amkati, kuthamanga -kothandiza, komanso kusagwirizana -kutsuka wothandizira ayenera kusankhidwa.

1,Mankhwala oteteza tizilombo

Pamaso pa tizilombo toyambitsa matenda, utsi pamwamba pa mbewu kusewera zoteteza kwenikweni.Monga Carbendazim, Thiram, Triadimefon.Captan, Etc

2,Mwamsanga-mankhwala ophera tizilombo

Mankhwala opha tizilombo amakhudza kwambiri komanso amafukiza.Ikhoza kupha tizilombo toyambitsa matenda mkati mwa maola a 2 mutatha kulamulira, zomwe zingapewe kuchepetsa mphamvu chifukwa cha kutsuka kwa madzi amvula.Monga Deltamethrin, Malathion, Dimethoate etc.

3, Mayamwidwe mkatimankhwala ophera tizilombo

Mankhwala ophera tizilombo amkati amatha kulowa m'thupi la mbewu kudzera mumizu, zimayambira, masamba ndi mbali zina za mbewu ndikuzitengera kumadera ena.Pambuyo pa maola asanu akugwiritsidwa ntchito, mankhwala ophera tizilombo amatha kuyamwa ndi mbewu pafupifupi 80% ya zosakaniza zomwe zimagwira ntchito.Idzagwira ntchito mkati mwa nthawi, ndipo imakhala yochepa kwambiri chifukwa cha mvula.

Monga Thiophanate methyl , Difenoconazole , Propiconazole , Metalaxyl .etc.

4,Mankhwala osamva mvula

Maola 2-3 mutatha kugwiritsa ntchito, ngakhale atakumana ndi rian wolemera, samakhudza zotsatira za mankhwala, monga Chlorpyrifos, chlorothalonil, Azoxystrobin