By Julie Flood
Espresso Wilt illness has price African espresso farmers an anticipated US1 billion thus far, as a result of decreased yields and the additional expenditures incurred in attempting to deal with the disorder. This devastating fungal ailment has destroyed hundreds of thousands of espresso timber in affected international locations throughout Africa and should be a contributory think about any try out at revitalization of the African espresso region within the future.This booklet is likely one of the outputs of the neighborhood espresso Wilt Programme and is a compilation of the present wisdom of assorted points of CWD, together with information regarding the pathogen, its unfold and importantly its administration.
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Extra info for Coffee Wilt Disease
Case 1 Period Before CWD 1 year after CWD 2 years after CWD Case 2 Period Case 1 Case 2 Income (gross revenue in Uganda shillings) 5600 2800 0 3,920,000 1,960,000 0 2100 420 0 1,470,000 294,000 0 Source: Field visits to selected farmers in Mukono district (CWD Task Force Report, 1999). 4. Yield loss in 60-kg bags of dry cherry (kiboko) due to CWD (inclusive of missing trees). 2 No. 7 Source: Report on CWD Biological Survey, 2002. 9 40 Hakiza et al. districts reported that the disease had adversely affected their earnings and subsequently their ability to meet household cash requirements such as school fees, domestic needs, hired labour, taxes and investment (CWD Task Force Report, 1999).
Were confirmed as the cause of localised wilting and death of arabica coffee in those districts (Arua, Nebbi, Bushenyi, Kasese, Ibanda, Rukungiri, Mbale, Sironko, Bududa and Manafa districts). Root rot caused by A. mellea Vahl has also caused concern and has been mistaken for CWD. Insect attacks, the most common of these encountered in the arabica areas, that induce wilt symptoms that can be confused with CWD are coffee stem borers (B. sierricola), coffee root mealybugs (Planococcus ireneus) and twig borers.
Among these constraints is a lack of varieties with resistance to coffee wilt 30 Hakiza et al. 1. Quantities of various commodities exported 2002–2006. Commodity Coffee Cotton Tea Tobacco Maize Beans and other legumes Fish and fish products Cattle hides Electric current Unit 2002 2003 2004 2005 2006 t t t t t t 201,591 12,322 30,400 23,266 59,642 10,753 146,299 16,762 36,669 24,669 60,298 18,070 159,983 29,762 36,874 27,843 90,576 26,233 142,513 30,403 36,532 23,730 92,794 28,332 126,887 18,480 30,584 15,794 115,259 27,087 t 25,525 26,422 31,808 39,201 36,461 t 000 kW h 20,049 264,685 18,565 217,486 18,502 193,104 25,349 62,577 22,214 53,019 Source: Uganda Export Promotion Board 2006.