Mizu yowola ya pachira macrocarpa nthawi zambiri imayamba chifukwa cha kuchuluka kwa madzi munthaka. Ingosinthani nthaka ndikuchotsa mizu yovunda. Nthawi zonse tcherani khutu popewa kudzikundikira madzi, musathiritse ngati nthaka si youma, nthawi zambiri madzi amatha kutha kamodzi pa sabata kutentha.

Njira zotsatirazi zitha kuchitidwa kuti athetse vutoli.

1. Pumitsani mpweya wake munthawi yake kuti malo olima asawume. Samalani ndi disinfection wa kulima magawo ndi maluwa miphika.

2. Mukawaika, chotsani minyewa yomwe yapindika ndi yowola pamwamba pa muzu, ndiyeno tsitsani chilondacho ndi Sukeling, chiwume ndikuchibzala.

3. Matenda atangoyamba kumene, thirirani 50% Tuzet WP 1000 madzi nthawi 1000 kapena 70% Thiophanate methyl WP madzi owirikiza 800 pansi pa gawo la pansi pa masiku 10 aliwonse, ndipo gwiritsani ntchito 70% Mancozeb WP WP 400 mpaka 600 madzi madzi kuthirira mbali ya pansi pa nthaka 2 mpaka katatu.

4. Ngati Pythium ikugwira ntchito, ikhoza kupopera ndi Prikot, Tubendazim, Phytoxanyl, ndi zina zotero.