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Cumbu

12 pages tagged with this crop. All crops →

Symptom

Small yellow-brown spots on leaves expand to oblong lesions. Center of lesions change to brown and margins remain yellow. Lesions are more common on leaf margins . Management Leaf spots can be managed by spray Mancozeb 1kg/ha Symptom in field Individual affect

Symptom

Foliar lesions are typically oval, 1-8 x 0.8-2.5 mm, with dark brown margins and pale tan to grey or white centers, dotted with rows of black conidiophore tufts. Lesions can form on stems. Symptom in field Individual affected leaf

Symptom

Foliar symptoms vary, as brown flecks, fine linear streaks, small oval spots, large irregular oval, oblong, or almost rectangular spots measuring 1-10 x 0.5-3 mm. Large fusiform lesions are sometimes produced. Lesions may expand and coalesce. Lesions may be so

Cumbu Disease — Cumbu 4

Symptom Pink, white, brown or grey fungal growth on grain. Apparently asymptomatic seed may be contaminated. Many pathogens cause grain molds. Grain molds on pearl millet tend to be more severe with humid conditions during grain fill and if grain harvest is de

Symptom

Small reddish-brown to reddish orange, round to elliptical uredinia develop mainly on foliage. As severity of infection increases, leaf tissue will wilt and become necrotic from the leaf apex to base. In infection sites developing late in the season, uredinia

Symptom

Symptom Cream to pink mucilaginous droplets of "honeydew" ooze out of infected florets on pearl millet panicles. Within 10 to 15 days, the droplets dry and harden, and dark brown to black sclerotia develop in place of seeds on the panicle. Sclerotia are larger

Symptom

Symptoms often vary as a result of systemic infection. Leaf symptoms begin as chlorosis at the base and successively higher leaves show progressively greater chlorosis. Infected chlorotic leaf areas can support abundant white asexual sporulation on the lower l

Symptom of damage:

Symptom of damage: Grains become chaffy or spotted black and shrivelled A stinking smell emanates from the bug Identification of the pest: Nymph: Brownish red with multi colour spots Adult : Green in colour Management: Apply any one of the insecticides Malathi

Symptom of damage:

Grain midge: Geromyia penniseti Symptom of damage: Grain less glumes with white pupal case attached to the tip of the spikelet Identification of the pest: Adult: Light pink fragile fly Management: Apply any one of the following at 50 % flowering Malathion 5 D

Symptom of damage :

Pink stem borer: Sesamia inferens . Symptom of damage : Central shoots dried and produce the dead hearts Identification of the pest : Egg: Bead like laid in rows within the leaf sheath Larva: Pinkish brown with dark head Adult: Straw coloured moth with white w

Identification of the pest:

Stem borer: Chilo partellus Symptom of damage : Withering and drying of central shoot -“ dead heart” Red mining in the midrib Bore holes visible on the stem near the nodes. Tender folded leaves have parallel “ shot hole ” Affected parts of stem may show intern

Identification of the pest :

Symptom of damage : Young plants dry up causing dead heart Ear heads- chaffy grains in the tip and well developed grains in the lower portion of ear heads Identification of the pest : Adult - Greyish white fly Management : Use seeds pelleted with insecticides