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Aomongo, Christopher A.Kawuki, Robert S.Bellotti, Anthony C.Alicai, TitusBaguma, Yona K.Maruthi, M.N.Bua, AntonColvin, John[African cassava whitefly, Bemisia tabaci, resistance in African and South American cassava genotypes]African cassava whitefly, Bemisia tabaci, resistance in African and South American cassava genotypes

Aspects related to breeding programs in cassava, the impact of past strategies and exptl results related to them are discussed. Even though sources of resistance have been identified for the majority of the diseases and pests, in addition to tolerance to adverse edaphic and climatic factors, it i...


Lozano, J.C.Byrne, D.Bellotti, Anthony C.[Cassava/ecosystem relationships and their influence on breeding strategy]Cassava/ecosystem relationships and their influence on breeding strategy

The effect of the application of ethyl parathion, trichlorfon, diflubenzuron, and Bacillus thuringiensis var. kurstaki to eggs of Erinnyis ello, before and after being parasitized by Trichogramma exiguum and Telenomus sphingis, was studied. Insecticides were also tested on the adults of these par...


Urias López, Mario AlfonsoBellotti, Anthony C.Bravo Mojica, HiramCarrillo Sánchez, José Luis[Impacto de insecticidas sobre tres parasitoides de Erinnyis ello (L.) gusano de cuerno de la yuca]Impacto de insecticidas sobre tres parasitoides de Erinnyis ello (L.) gusano de cuerno de la yuca
Doreste S., ErnestoArias, CarlosBellotti, Anthony C.[Pruebas de variedades de yuca resistentes a ácaros tetraníquidos]Pruebas de variedades de yuca resistentes a ácaros tetraníquidos

Bemisia tabaci (Gennadius) is one of the most important pests of cassava in Africa and several countries of Asia due to the damage caused by direct feeding, the excretion of honeydew, and its capacity as a vector of cassava mosaic geminivirus. There is a general consensus that B. tabaci is a comp...


Carabalí, A.Bellotti, Anthony C.Montoya Lerma, J[Biological parameters of Bemisia tabaci (Gennadius) Biotype B (Hemiptera: Aleyrodidae) on Jatropha gossypiifolia, Commercial (Manihot esculenta) and wild cassava (Manihot flabellifolia and M. carthaginensis) (Euphorbiaceae)]Biological parameters of Bemisia tabaci (Gennadius) Biotype B (Hemiptera: Aleyrodidae) on Jatropha gossypiifolia, Commercial (Manihot esculenta) and wild cassava (Manihot flabellifolia and M. carthaginensis) (Euphorbiaceae)

The larvae of some species of Scarabaeidae, known locally as chisas (whitegrubs), are important pests in agricultural areas of the Cauca, Colombia. They form a complex consisting of many species belonging to several genera that affect the roots of commercial crops. The objective of the present ...


Pardo Locarno, LCMontoya Lerma, JBellotti, Anthony C.Schoonhoven, Aart van[Structure and composition of the white grub complex (Coleoptera: Scarabaeidae) in agroecological systems of Northern Cauca, Colombia]Structure and composition of the white grub complex (Coleoptera: Scarabaeidae) in agroecological systems of Northern Cauca, Colombia

A survey for parasitoids of the whiteflies, Bemisia tuberculata Bondar, Trialeurodes variabilis Quantaince, T. vaporariorum (Westwood), Aleurotrachelus socialis Bondar, Tetraleurodes sp., Aleuroglandulus malangae Russell and Aleurodicus sp., was conducted in 6 cassava growing regions of Colombia ...


Trujillo García, H.E.Arias, B.Guerrero, JMHernández, P.Bellotti, Anthony C.Pena, JE[Survey of parasitoids of whiteflies (Homoptera: Aleyrodidae) in cassava growing regions of Colombia and Ecuador]Survey of parasitoids of whiteflies (Homoptera: Aleyrodidae) in cassava growing regions of Colombia and Ecuador

We investigated whether cassava plants that are infested by the cassava mealybug, Phenacoccus herreni (Pseudococcidae, Sternorrhyncha), emit attractants for the encyrtid parasitoids Aenasius vexans Kerrich, Apoanagyrus (Epidinocarsis) diversicornis Howard, and Acerophagus coccois Smith. Bioassays...


Bertschy, CTurlings, TCJBellotti, Anthony C.Dorn, S.[Chemically-mediated attraction of three parasitoid species to mealybug-infested cassava leaves]Chemically-mediated attraction of three parasitoid species to mealybug-infested cassava leaves

Little is known about the inheritance of agronomic traits in cassava (Manihot esculenta Crantz). The vegetative multiplication of cassava allows cloning of individual genotypes, and separates environmental from genetic variation in the within-family variation. Knowing the magnitude of between- an...


Pérez Velásquez, Juan CarlosCeballos, H.Jaramillo, GustavoMorante, NCalle, FArias, B.Bellotti, Anthony C.[Epistasis in cassava adapted to midaltitude valley environments]Epistasis in cassava adapted to midaltitude valley environments

Chemical exclusion of predators with permethrin was used to test the effectiveness of the phytoseiid predator Amblyseius limonicus Garman and McGregor and a complex of minor predators in the biological control of tetranychid (Mononychellus spp., Tetranychus spp., and Oligonychus peruvianus McGreg...


Braun, Ann R.Bellotti, Anthony C.Guerrero, JMWilson, LT[Effect of predator exclusion on cassava infested with tetranychid mites (Acari: Tetranychidae)]Effect of predator exclusion on cassava infested with tetranychid mites (Acari: Tetranychidae)

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