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Two surveys were conducted in Tanzania in May- June 2003 and June-August 2004 to determine the incidence and severity of several cassava arthropod pests including cassava green mite, cassava mealybug, spiralling whitefly, Bemisia spp., cassava scale, red mite, Zonocerus elegans, and several speci...


Gnanvossou, D.Hanna, R.Pallangyo, B.Toko, M.Nsami, E.Mfugale, O.[Distribution and abundance of cassava pests in Tanzania with a note on the spiralling whitefly]Distribution and abundance of cassava pests in Tanzania with a note on the spiralling whitefly

Genotype by environment interaction remains a substantial issue in all breeding programs. Crop genotypes are generally developed in a central breeding location, but always require the evaluation of breeding products in different environments. This is particularly relevant in countries that have a...


Hanna, R.Kulakow, P.Parkes, E.Iluebbey, P.Ngome, F.A.Suh, C.Massussi, J.Choutnji, I.Wirnkar, V.L.[AMMI analysis of cassava response to contrasting environments: case study of genotype by environment effect on pests and diseases, root yield, and carotenoids content in Cameroon]AMMI analysis of cassava response to contrasting environments: case study of genotype by environment effect on pests and diseases, root yield, and carotenoids content in Cameroon

Two countrywide surveys were conducted in April-May and May-June 2004 throughout the cassava growing belt of Mozambique including several provinces: Gaza, Inhambane, Sofala, Manica, Zambezia, Nampula and Cabo Delgado. Both surveys were planned to assess the distribution, incidence and damage seve...


Toko, M.Hanna, R.Legg, J.P.Andrade, M.I.Jone, A.Agboton, B.Otema, M.A.Okao-Okuja, G.Obonyo, R.Mambo, E.[Distribution, incidence and severity of cassava diseases and pests in Mozambique]Distribution, incidence and severity of cassava diseases and pests in Mozambique

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