seenhaigus võõrasemadel kui lehtedele ülaküljele ilmuvad pruunikas-purpursed laigud ja nende all, allküljel hall eoskirme
the fungal disease
Hea teada
on the undersides of leaves with no symptoms above, soon, upper surfaces of infected leaves show areas of slightly chlorotic discoloration, a light gray-brown, felt-like growth is on the undersides of infected leaves, infected tissues become necrotic, and eventually leaves die
