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Based on research results, the advantages of cassava over other crops, the use of improved cv. for different ecosystems, good management practices, crop protection, and soil fertility requirements are discussed in detail. (CIAT)


Cock, James H.[Some factors in successful cropping. 9. Cassava]Some factors in successful cropping. 9. Cassava

Mulching was highly effective and superior to chemical treatments for the control of web blight (WB) caused in beans by Rhizoctonia solani, the imperfect state of Thanatephorus cucumeris. Plots were established in fields with a history of repeated incidence of WB. Soilborne sclerotia and colonize...


Galindo, J.J.Abawi, G.S.Thurston, HDGalvez, G[Effect of mulching on web blight of beans in Costa Rica]Effect of mulching on web blight of beans in Costa Rica

The genetic basis of quantitative disease resistance has been studied in crops for several decades as an alternative to R gene mediated resistance. The most important disease in the potato crop is late blight, caused by the oomycete Phytophthora infestans. Quantitative disease resistance (QDR), a...


Álvarez, María FernandaAngarita, MyrianDelgado, María C.García, CelsaJiménez-Gomez, JoséGebhardt, ChristianeMosquera, Teresa[Identification of Novel Associations of Candidate Genes with Resistance to Late Blight in Solanum tuberosum Group Phureja]Identification of Novel Associations of Candidate Genes with Resistance to Late Blight in Solanum tuberosum Group Phureja

The root of the medicinal plant Halothamnus somalensis traditionally used to treat endo-parasites of animals and humans was evaluated against endo-parasites in naturally infected goats. The goats were drenched with a crude preparation of the plant at two different doses (0.5 and 2 g/kg live weigh...


Dawo, F.Tibbo, Markos[Anthelmintic effect of Halothamus somalensis in Arsi-Bale goats]Anthelmintic effect of Halothamus somalensis in Arsi-Bale goats

Interviews with all the households in the Agropastoral Zone (ZAP) of Yale, southern Burkina Faso, were conducted in 1994 and again in 1997 to assess the impacts of a tsetse control programme implemented from 1994, using insecticide-impregnated targets and pour-on treatments of all cattle with del...


Kamuanga, M.Sigue, H.Swallow, B.M.Bauer, B.D'Ieteren, G.D.M.[Farmers' perceptions of the impacts of tsetse and trypanosomosis control on livestock production: Evidence from southern Burkina Faso]Farmers' perceptions of the impacts of tsetse and trypanosomosis control on livestock production: Evidence from southern Burkina Faso

A tsetse control campaign was started in January 1991 using a synthetic pyrethroid cypermethrin `pour-on' applied monthly to cattle exposed to high levels of drug-resistant trypanosomes in the Ghibe valley of southwest Ethiopia. In December 1992, a cost-recovery scheme was introduced, and thereaf...


Rowlands, G.J.Mulatu, W.Leak, S.G.A.Nagda, S.M.D'Ieteren, G.D.M.[Estimating the effects of tsetse control on livestock productivity - a case study in southwest Ethiopia]Estimating the effects of tsetse control on livestock productivity - a case study in southwest Ethiopia

Improvement of farmers' decision-making has been recognised as critical for the implementation of IPM, yet practitioners lack sound knowledge on the 'how and why' of farmers' decision-making processes. This study explored the perceptions, pest management practice, decision tools and sources of in...


Williamson, S.Little, A.Arif Ali, M.Kimani, M.Meir, C.Oruko, L.[Aspects of cotton and vegetable farmers' pest management decision-making in India and Kenya]Aspects of cotton and vegetable farmers' pest management decision-making in India and Kenya

The host-protective immune response to infection with gastrointestinal (GI) nematodes involves a range of interacting processes that begin with recognition of the parasite's antigens and culminate in an inflammatory reaction in the intestinal mucosa. Precisely which immune effectors are responsib...


Behnke, J.M.Iraqi, F.A.Menge, D.Baker, R.L.Gibson, John P.Wakelin, D.[Chasing the genes that control resistance to gastrointestinal nematodes]Chasing the genes that control resistance to gastrointestinal nematodes

The negative effects of nematodes in small ruminants can be reduced by use of dewormers but their effectiveness is increasingly limited by the emergence of anthelmintic resistance. The efficacy of benzimidazole (BZ) anthelmintics in the Philippines was estimated by an in vitro larval development...


Ancheta, P.B.Dumilon, R.A.Venturina, V.M.Cerbito, W.A.Dobson, R.J.LeJambre, L.F.Villar, E.C.Gray, G.D.[Efficacy of benzimidazole anthelmintics in goats and sheep in the Philippines using a larval development assay]Efficacy of benzimidazole anthelmintics in goats and sheep in the Philippines using a larval development assay

Since the publication of the mouse genome, attention has focused on the strains that were selected for sequencing. In this paper we report the results of experiments that characterized the response to infection with the murine gastrointestinal nematode Heligmosomoides polygyrus of eight new strai...


Behnke, J.M.Mugambi, J.M.M.Clifford, S.Iraqi, F.A.Baker, R.L.Gibson, John P.Wakelin, D.[Genetic variation in resistance to repeated infections with Heligmosomoides polygyrus bakeri, in inbred mouse strains selected for the mouse genome project]Genetic variation in resistance to repeated infections with Heligmosomoides polygyrus bakeri, in inbred mouse strains selected for the mouse genome project

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