(Agrotis spp and Spodoptera spp.) Credits: Biovision-Infonet Several species damage sorghum. They may cut off young plants at or slightly below the soil surface. Some feed on above-ground plant parts, and others feed on the roots. Plants with severed stems die, leaf feeding by cutworms causes ragged leaves and feeding on roots may kill young […]
Monthly Archives: February 2020
Sorghum Production
Credits: Biovision-Infonet Scientific Name: Sorghum bicolor Order / Family: Cyperales: Poaceae Local Names: Mtama (Swahili) Pests & Diseases: African armyworm, African bollworm , African maize stalkborer, Anthracnose, Aphids, Birds, Charcoal rot, Covered kernel smut, Crazy top downy mildew, Cutworms, Damping-off diseases, Ergot, Head bugs, Head smut, Leaf blight, Loose kernel smut, Maize dwarf mosaic virus (MDMV), Other bugs, Purple witchweed, Rust, Shoot fly, Sorghum midge, Spotted stemborer, Storage pests, Termites Other pests: Chafer grubs, Sedges Geographical Distribution in Africa General Information and […]
Change of hair coat in cows
Dr.iCow’s Diary Date: 13.02.2020 Dear Dr.iCow, Ni Sylvester kutoka Bomet. Kuna ng’ombe ambaye alikuwa mweupe (pepepe) na saa hii ni nyeusi (nyeusi tititi), shida ni nini? My cow had a white hair coat and it has now changed to black, what could be the problem? From: Sylvester, County: Bomet, Kenya. Discussion: The cow had a […]
Throat swelling in Cows
Date: 13.02.2020 Dear Dr.iCow, My cow has a swelling near the throat but is eating well. What is the problem? From: Mr. Ekesa, County: Trans Nzoia, Kenya. Discussion: The cow is having a swelling underneath the jaw. The cow was treated a week ago but it has not responded. There are various causes and depending […]
Bloody stool in Cattle
Dr.iCow’s Diary Date: 12.02.2020 Dear Dr.iCow My dairy cow’s faeces contain mucous with blood stains but has a good appetite. What’s the problem and what am I supposed to do? From: Mutua, County: Makueni, Kenya. Discussion: The cow looks heathy but there are blood stains and mucus in her dung. There are no sudden changes […]
Millet Information Source Links
Credits: Biovision-Infonet AIC (2002). Field Crops Technical Handbook. ARS Agricultural Handbook No. 716: Diseases of Pearl Millet. www.tifton.uga.edu CAB International (2005). Crop Protection Compendium, 2005 edition. Wallingford, UK www.cabi.org Harris, K. M. (1962). Lepidopterous stem borers of cereals in Nigeria. Vol 53. 139-171 ICRISAT. Millet production growing in Africa. designs improved cropping systems for Sahelian millet, cowpeas. www.worldbank.org […]
Quick Search Millet Diseases
Credits: Biovision-Infonet Ergot Blast Long smut Crazy top downy mildew
Crazy Top Downy Mildew
(Sclerospora graminicola) Credits’: Biovision-Infonet 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. On the lower leaf surface of infected leaves greyish white fungal growth may be observed. Severely infected plants are generally stunted and do not produce panicles. […]
Long Smut
(Tolyposporium penicillariae) Credits: Biovision-Infonet Immature, green fungal bodies (sori) larger than the seed develop on panicles during grain fill. A single fungal body (sorus) develops per floret. As grain matures, sori change in colour from green to dark brown. Sori are filled with dark spores. Infection takes place at temperature range of between 21 and […]
Blast
(Pyricularia grisea) Credits:Biovision-Infonet Lesions on foliage are elliptical or diamond-shaped, approximately 3 x 2 mm. Lesion centres are grey and water-soaked when fresh but turn brown upon drying. Lesions are often surrounded by a chlorotic halo, which will turn necrotic giving the appearance of concentric rings. The disease is favoured by hot, humid conditions. What […]