Trips
SymptomsAt buds and flowers appear brown or black spots, bordered, petals eared look (are affected more often fragrant flowers and bright). If you pulled a flower, or disclose midway, found quickly run tiny black insects about 1 mm in length. |
TreatmentGetting rid of thrips is difficult, better to prevent - in the autumn dig over the soil, remove fallen leaves, under which the insects hibernate. Damaged cut flowers, and roses sprayed with insecticide or nettle (Intavir, Iskra).