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Toko, M.Neuenschwander, P.Yaninek, John S.Ortega-Beltran, A.Fanou, A.Zinsou, V.Wydra, K.D.Hanna, R.Fotso, A.Douro-Kpindou, O.K.[Identifying and managing plant health risks for key African crops: cassava]Identifying and managing plant health risks for key African crops: cassava

Ndengo, N.E.Ki-Munseki, A.L.Hanna, R.Ngbolua, K.[Screening cassava (Manihot esculenta CRANTZ) genotypes for resistance to African root and tuber scale (Stictococcus vayssierei Richard) in differents Agro-ecological zones of Beni (North Kivu, DR Congo)][Criblage de génotypes de manioc (Manihot esculenta CRANTZ) pour la résistance à la cochenille Africaine de racines et tubercules (Stictococcus vayssierei Richard) dans différentes zones agro-écologiques de Beni (Nord Kivu, RD Congo)]Criblage de génotypes de manioc (Manihot esculenta CRANTZ) pour la résistance à la cochenille Africaine de racines et tubercules (Stictococcus vayssierei Richard) dans différentes zones agro-écologiques de Beni (Nord Kivu, RD Congo)

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

The African root and tuber scale insect (ARTS)(Stictococcus vayssierei. Richard) has increasingly become a major pest of cassava in the forest areas of the Bas-Fleuve District in the most western province of the Democratic Republic of Congo where it was known since long ago without any noticeable...

La Cochenille Africaine des Racines et Tubercules(CART) Stictococcus vayssierei Richard estdevenu un ravageur majeur dans les parties desfor6ts secondaires du district du Bas-Fleuve dansla province du Bas-Congo en R6publiqueD6mocratique du Congo oir cet insecte est connudepuis de longues dates sa...


Tata-Hangy, K.W.Lema, K.Ndambi, N.Lutete, D.Hanna, R.Toko, M.Nkakwa, A.[Notes on the African root and tuber scale, Stictococcus vayssierei Richard, a recent reported cassava pest in the BasCongo Province of the Democratic Republic of Congo]Notes on the African root and tuber scale, Stictococcus vayssierei Richard, a recent reported cassava pest in the BasCongo Province of the Democratic Republic of Congo

Diagnostic PCR with two specific primer pairs (NEOSSU and 8DDC) were used to monitor the establishment and geographical distribution of Brazilian isolates of Neozygites tanajoae Delalibera, Hajek and Humber (Entomophthorales: Neozygitaceae) released in Benin for the biological control of the cass...


Agboton, B.Hanna, R.Tiedemann, A. von[Molecular detection of establishment and geographical distribution of Brazilian isolates of Neozygites tanajoae, a fungus pathogenic to cassava green mite, in Benin (West Africa)]Molecular detection of establishment and geographical distribution of Brazilian isolates of Neozygites tanajoae, a fungus pathogenic to cassava green mite, in Benin (West Africa)

This is the fourth publication of a series to determine the phytoseiid mites of sub-Saharan Africa. Twenty-six phytoseiid species of the subtribes Arrenoseiina Chant & McMurtry (5 species) and Proprioseiopsina Chant & McMurtry (9 species), and tribe Typhlodromipsini Chant & McMurtry (12 species),...


Moraes, G.J. deZannou, I.D.Ueckermann, E.A.Oliveira, A.Hanna, R.Yaninek, John S.[Species of the subtribes Arrenoseiina and Proprioseiopsina (Tribe Amblyseiini) and the tribe Typhloromipsini (Acari: Phytoseiidae) from sub-Saharan Africa]Species of the subtribes Arrenoseiina and Proprioseiopsina (Tribe Amblyseiini) and the tribe Typhloromipsini (Acari: Phytoseiidae) from sub-Saharan Africa

Using perineal patterns and female anterior measurements, five species of Meloidogyne were identified from cassava in Mozambique during a survey in 2003, namely M. chitwoodi, M. exigua,M. incognita, M. javanica and M. naasi, plus an unidentified species. In Kenya, M. incognita andM. javanica were...


Coyne, D.L.Toko, M.Albanna, L.Hanna, R.Sitole, A.Kagoda, F.Andrade, M.I.Marais, M.[Meloidogyne spp. and associated galling and damage on cassava in Kenya and Mozambique]Meloidogyne spp. and associated galling and damage on cassava in Kenya and Mozambique
Dixon, A.Okechukwu, R.U.Ssemakula, G.N.Hanna, R.Thresh, J.M.Hughes, J.Ingelbrecht, I.Fregene, Martin A.Legg, J.P.Mahungu, N.M.Nweke, F.Ntawuruhunga, PheneasFauquet, Claude M.Manyong, Victor M.Neuenschwander, P.Whyte, J.Wydra, K.Asiedu, RobertEgesi, Chiedozie N.Bandyopadhyay, RanajitWinter, S.Tarawali, G.Bokanga, M.Ezedinma, C.Sanni, L.O.Ferguson, M.Ogbe, F.O.Akoroda, M.O.Maziya-Dixon, B.B.Ilona, P.Ekanayake, I.J.Ariyo, O.Onyeka, J.Otim-Nape, G.W.Dahniya, Mohamed T.Ortiz, R.Hahn, S.K.Hartman, P.[Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners]Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners

Intraguild predation, one aspect of predator–predator interaction, has received in recent years increasingly greater attention because of mounting evidence of the impact of predator–predator interactions on the structure of ecological communities and biological pest control. In laboratory experim...


Onzo, A.Hanna, R.Negloh, K.Toko, M.Sabelis, M.W.[Biological control of cassava green mite with exotic and indigenous phytoseiid predators—effects of intraguild predation and supplementary food]Biological control of cassava green mite with exotic and indigenous phytoseiid predators—effects of intraguild predation and supplementary food

Parkes, E.Y.Steiner-Asiedu, M.Saalia, K.Acquatey-Mensah, A.Aina, O.O.Kulakow, P.Hanna, R.Iluebbey, P.O.Zhenchuk, A.Schweigert, F.J.Meyer, S.Dingelstaedt, Y.Hurtienne, A.Kirscht, H.[Training manual for the analysis of Fe and Zn in fresh cassava roots and products]Training manual for the analysis of Fe and Zn in fresh cassava roots and products

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