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Cassava mosaic begomoviruses (CMBs) cause cassava mosaic disease (CMD) across Africa and the Indian subcontinent. Like all members of the geminivirus family, CMBs have small, circular single-stranded DNA genomes. We report here the discovery of two novel DNA sequences, designated SEGS-1 and SEGS-...

Cassava mosaic begomoviruses (CMBs) cause cassava mosaic disease (CMD) across Africa and the Indian subcontinent. Like all members of the geminivirus family, CMBs have small, circular single-stranded DNA genomes. We report here the discovery of two novel DNA sequences, designated SEGS-1 and SEGS-...


Ndunguru, JosephLeón, Leandro deDoyle, Catherine D.Sseruwagi, PeterPlata, GermanLegg, J.P.Thompson, GrahamTohme, Joseph M.Aveling, TheresaAscencio Ibáñez, Jose T.Hanley Bowdoin, Linda[Two Novel DNAs that enhance symptoms and overcome CMD2 resistance to cassava mosaic disease]Two Novel DNAs that enhance symptoms and overcome CMD2 resistance to cassava mosaic disease
Kansas State UniversityLópez Gerena, J.Tohme, Joseph M.International Center for Tropical AgricultureCorrea Victoria, Fernando J.Martínez Racines, César PompilioHulbert, SZeigler, Robert S.[Mapping QTL's and candidate genes associated with durable resistance to rice blast]Mapping QTL's and candidate genes associated with durable resistance to rice blast

Resistance to naturally acquired gastro-intestinal (GI) nematode parasite infections (predominantly Haemonchus contortus) was studied in 166 Red Maasai; 230 Dorper and 294 crossbred (Red Maasai X Dorper) ewes in the sub-humid coastal region of Kenya. Live weights (LWT), blood packed-cell volume (...


Baker, R.L.Mwamachi, D.M.Audho, James O.Aduda, Eric O.Thorpe, W.R.[Genetic resistance to gastro-intestinal nematode parasites in red Maasai, Dorper and Red Maasai X Dorper ewes in the sub-humid tropics]Genetic resistance to gastro-intestinal nematode parasites in red Maasai, Dorper and Red Maasai X Dorper ewes in the sub-humid tropics
Martínez Racines, César PompilioLópez Gerena, J.Almeida, A.Tohme, Joseph M.Borrero Correa, Jaime C.[Identification and utilization of genes from wild germplasm for the improvement of yield and stress resistance in rice]Identification and utilization of genes from wild germplasm for the improvement of yield and stress resistance in rice

The paper starts with a description of parasites of small ruminants in the Philippines. It then discusses host-parasite relationships and worm control options; looks into worm control programs; and examines impact of helminths on production. It then discusses anthelmintic plants and biological co...


Gray, G.D.Yee, C.A.T.Villar, E.C.[Worm control for small ruminants in the Philippines]Worm control for small ruminants in the Philippines
International Center for Tropical Agriculture[Sustainable integrated management of whiteflies through host plant resistance: progress report 2003-2004]Sustainable integrated management of whiteflies through host plant resistance: progress report 2003-2004

The common bean is a primary protein source in the diet of many low-income populations. Bean root rots occur in most bean fields. Genetic resistance to Fusarium root rot caused by Fusarium solani f.sp. phaseoli is polygenic and is strongly influenced by environmental factors that confound the exp...


Kamfwa, K.Okori, PatrickMwala, MMukankusi, Clare Mugisha[Mapping quantitative trait loci for fusarium root rot in common bean (phaseolus vulgaris l.)]Mapping quantitative trait loci for fusarium root rot in common bean (phaseolus vulgaris l.)

The purpose of this chapter is two-fold. First, the information available on breeds of sheep and goats that are resistant or resilient to helminthiasis (mainly the GI nematodes) infections are reviewed. This is important information for inclusion of appropriate breeds in integrated endoparasite c...


Baker, R.L.Gray, G.D.[Appropriate breeds and breeding schemes for sheep and goats in the tropics]Appropriate breeds and breeding schemes for sheep and goats in the tropics

Research in Kenya has confirmed that Red Maasai sheep are more resistant to gastrointestinal parasites than Dorper sheep and has shown that Small East African goats are more resistant than Galla goats. There is no difference in resistance between the Menz and Horro sheep breeds in Ethiopia. Herit...


Baker, R.L.Rege, J.E.O.Tembely, S.Mukasa-Mugerwa, E.Anindo, D.O.Mwamachi, D.M.Thorpe, W.R.Lahlou-Kassi, A.[Genetic resistance to gastrointestinal nematode parasites in some indigenous breeds of sheep and goats in East Africa]Genetic resistance to gastrointestinal nematode parasites in some indigenous breeds of sheep and goats in East Africa

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