PEST MANAGEMENT DECISION GUIDE: GREEN AND YELLOW LIST Common rust of maize Puccinia sorghi Amharic: ye bekelo wag; Tigrigna: nay efun humodya Prevention Monitoring Direct Control Direct Control Restrictions l Deep plough crop residue after l Monitor the plant every week, especially when there are l Remove lower leaves l There are no chemical pesticides harvest favourable environmental conditions (humid conditions which are infested to registered in Ethiopia at this time for l Use of clean maize seed from a and wind that can aggravate the common rust on improve air circulation common rust on maize reliable source maize) and reduce the inoculum (traces of fungi). Destroy l Plant maize in rows in the l Start to observe the maize plant after 6 leaves emerge until the tasseling stage the infected leaves by direction of prevailing winds for burning maximum air circulation l In the early stage of the disease, look for small chlorotic areas developing on the leaves. These turn into l When removing infected l Rotate maize crop with non- leaves always start Leaf pustules on maize leaf cereal crops at least every 2-3 elongated and scattered dark red, brownish pustules on both the upper and lower side of the leaves working from the healthy (Kassahun Sedessa, EIAR) years (beans, fababean, part of the field before chickpea etc.) l Pustules may also appear on husks, tassels and stalks moving to the infected l Remove alternate hosts such as l Carry out controls as soon as the first symptoms are part of the field Oxalis species and other Zea seen species Leaf pustules and chlorotic spots (Kassahun Sedessa, EIAR) Ethiopia CREATED/UPDATED: October 2015 AUTHOR(S): Kassahun Sedessa (EIAR), Mebrahtom G/kidan (TBoARD), Habtie Abate (S/Gondar Agri Dept, Amhara) EDITED BY: Plantwise LOSE LESS, FEED MORE Plantwise is a CABI-led global initiative www.plantwise.org ©CAB International. Published under a CC-BY-SA 4.0 licence.