Species and variety of Rhopalosiphum maidis preference to cereal crops in stage two-third leaf

Vasilina Maneva

Abstract: Investigated are the species and variety of Rhopalosiphum maidis (Fitch, 1856) preferences to any cereals in stage 2-3 leaf. Established are preferred to brewery barley. Of investigation, most favorites are varieties – wheat Enola – 3.4 nb./plant, forage barley variety Veslets – 13.2 nb./plant, six-row barley variety IZ Bori – 6.4 nb./plant, brewery barley variety Devinia – 45.7 nb./plant. The oats are reported only singly.

Keywords: cereal crops; preference; Rhopalosiphum maidis

Date published: 2017-07-06