Zizindikiro zowonjezereka za Phytophthora infestation zimawonekera pa tomato ndi mbatata kumwera chakumadzulo kwa Florida.
Akatswiri amati kulosera kwanyengo kwa masiku angapo otsatira kudzathandizira kukula kwa matendawa - m'mawa wa chifunga, nyengo yamvula komanso yamvula (chinyezi chachikulu - pafupifupi 90%). Pazifukwa zotere, tizilombo toyambitsa matenda tingachuluke mofulumira ndipo tingawononge mosavuta munda wa phwetekere kapena mbatata ngati siulamuliridwa mokwanira ndi katswiri wa zaulimi.
Zizindikiro za masamba zimawoneka ngati mawanga abulauni osakhazikika m'mphepete mwa masamba. Pakakhala chinyezi chambiri, kumunsi kwa masamba omwe ali ndi kachilomboka kumawoneka chotuwa chotuwa cha spores.
Pakadali pano, mankhwala opha fungicides amakhalabe othandiza kwambiri poteteza mbewu mpaka mitundu yolimbana ndi matenda itatuluka. Mankhwala opha fungicide amachepetsa kukula kwa matenda m'munda mwa kupanga chotchinga choteteza masamba. Komabe, kungogwiritsa ntchito mankhwala sikungathetseretu matenda. Kugwiritsa ntchito bwino kwazinthu, kuchuluka kwake, komanso nthawi yake ziyenera kuphatikizidwa munjira zodzitetezera kuti zithandizire kupindula. Madzi ogwira ntchito ayenera kugawidwa bwino, kuphatikizapo pansi pa pepala.
Popeza matendawa amatha kufalikira mofulumira, alimi ayenera kuyang'anitsitsa minda yawo ya mbatata ndi phwetekere tsiku ndi tsiku, makamaka ngati kuli koyenera kuti Phytophthora infestans ikule m'deralo. (Chitsime: sadyogrody.pl)
Werengani mokwanira: https://www.agroxxi.ru