MAIZE RUST

COMMON RUST OF CORN, CAUSED BY Puccinia sorghi . SymptomsSymptoms of common rust often appear after silking. Small, round to elongate brown pustules form on both leaf surfaces and other above ground parts of the plant. As the pustules mature they become brown to black. If disease is severe, the leaves may yellow and die…

POWDERY MILDEW ON ROSE

The section showing the conidia of Sphaerotheca pannosa var. rosae that cause powdery mildew on rose, seen under foldscope from ICAR-NOFRI, Sikkim. Symptoms: Powdery mildew produces a powdery, whitish coating on the leaves and other plant parts. In case of severe attack, plants may become stunted, leaves may curl, become dried, and drop. Unopened buds,…

Late blight of potato

Late blight of potato : The section showing lemon shaped conidia of phytophthora infestans isolated by scrapping potato leaf from ICAR-NOFRI,Sikkim, as seen under foldscope Symptoms Late blight will first appear as water-soaked spots, usually at the tips or edges of lower leaves where water or dew tends to collect. Under moist, cool conditions, water-soaked…

BEAN RUST

The section scrapped from Bean leaves  shows rust spores as seen under Foldscope from ICAR-NOFRI , Sikkim

FERN SPORES

      The section scrapped from fern spores shows sporangia as seen under Foldscope from ICAR-NOFRI , Sikkim

CANNA- RUST SPORES

  The section scrapped  from canna leaves shows rust spores of  Puccinia thaliae under Foldscope, ICAR-NOFRI Sikkim