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Sienten Phyllachora maydis Maubl. ja Monographella maydis Müller & Samuels aiheuttaman asfalttilaikkutaudin esiintyvyys maissilla (Zea mays L.) Nicaraguassa Tar spot complex disease of maize (Zea mays L.) caused by Phyllachora maydis Maubl. and Monograpghella maydis Müller & Samuels in Nicaragua.