![]() ![]() You can export data by clicking on the CSV link above the tableįourteen new barley genes presumably involved in stress tolerance identified in a microarray study and sequenced.Ĭontact M.You can search for any term, word, or keyword by typing it into the search box above the table.With the exception of BUL, you can sort by column by clicking on the title of each column.miscellaneous information as socio-economic reports). genomic resources from which downstream products for breeding are developed and many informatics applications). (i.e germplasm in which trait genetics have not been well defined or markers that may be informative but not necessarily predictive). predictive markers, germplasm of acceptable agronomic type containing a well-defined and characterized trait, and etc.). Consequently, a BUL (Breeding Use Level) rating has been provided to indicate the direct usefulness of products to breeders: Breeding Use Levels ![]() Not all products will be of direct interest to breeders. However, our user base is highly varied and includes upstream as well as downstream plant scientists. We consider all catalogued products as useful. Global includes products applicable to several or all crops and generally includes informatics tools and learning materials. Under each crop, you will find diverse types of products, such as germplasm, markers, genomics resources and informatics applications. Products are listed under the specific project crop or Global. As projects mature, more products are added. The detailed knowledge of the epidemiology, disease development, survival and dissemination, of the reaction of cassava varieties towards CBB such as physiological resistance mechanisms, identification of genetic resistance (QTL) and the background of observed field resistance as well as of the influence of planting time and cropping pattern allows to recommend integrated management measures such as sanitation, intercropping, removal of diseased leaves, management of planting dates according to ecozone, soil amendments, use of resistant genotypes.The Product Catalogue is an evolving compilation of a diverse array of products derived from tangible outputs of projects supported in whole or in part by the CGIAR Generation Challenge Programme. Though, comparing the development of the disease and the damages caused in yield loss trials in two agro-eco-zones over 2 years, CBB was more pronounced and caused higher yield and biomass losses in the forest savannah transition zone than in the dry savannah where symptom development was positively correlated with the rainfall patterns. In regional disease surveys across ecozones in West Africa, no zone of preference has been found. Over seasons Xam also survives often latently, in cassava stems which are then used for establishing new plantations. Also, some insects in cassava field like the variegated grasshopper (Zonocerus variegatus) vehicles the pathogen for some time. Investigating the survival period over the seasons, a longer survival exceeding 5 months has been observed in non-decayed cassava debris. In fact, Xam survives epiphytically on some weeds occurring in and around cassava fields without developing blight symptoms. manihotis (Xam), possesses several means for survival and dissemination that may play an important role as inoculum sources for the infection when favorable conditions occur, and the subsequent damage of the plant causing severe yield losses. ![]() The epidemiological and ecological investigations undertaken on the disease showed that the causal agent, the bacterium Xanthomonas axonopodis pv. Cassava (Manihot esculenta Crantz) with its long life cycle is affected by several diseases of which cassava bacterial blight (CBB) is the major bacterial disease in the cassava belt worldwide. ![]()
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