How do you control cassava disease?
It can be controlled by using varieties with good tolerance, soaking stakes in hot water before planting, sterilizing tools with disinfectant, and intercropping to reduce plant-to-plant dissemination. Viral diseases are usually transmitted through infected planting material.
What disease affect cassava?
The two major diseases are the Uganda variant of the East African cassava mosaic virus (EACMV-Ug) and cassava brown streak virus (CBSV). These are just the latest in a long line of disease strains affecting cassava (1983, 1993, 1997, 2004).
What are the symptoms of Mosaic?
Mosaic symptoms are variable but commonly include irregular leaf mottling (light and dark green or yellow patches or streaks). Leaves are commonly stunted, curled, or puckered; veins may be lighter than normal or banded with dark green or yellow.
Does mosaic virus stay in the soil?
CMV can be transmitted mechanically by sap and by more than 60 different aphid species. The virus often appears following cool conditions that favor aphid flights. Unlike TMV (tobacco mosaic virus), CMV is not seedborne in tomato and does not persist in plant debris in the soil or on workers’ hands or clothing.
How do you remove poison from cassava?
Pounding or crushing cassava leaves and then boiling them in water is an efficient process for removal of cyanogens. Indeed, about 97% of cyanogenic glucosides are removed and cyanohydrin and free cyanide are completely removed (Nambisan 1994).
What are the health benefits of cassava leaves?
Benefits and nutritional profile of cassava
Cassava is a good source of vitamin C, thiamine, riboflavin, and niacin. The leaves, which are also edible if a person cooks them or dries them in the sun, can contain up to 25% protein.
How many types of cassava are there?
A current study by IITA revealed that about 4000 local varieties are in 17 major cassava-growing countries in Africa. The research programmes on cassava improvement of the countries surveyed released a total of 206 improved cassava varieties between 1970 and 1998 .
How cassava can be propagated?
Cassava is propagated by cuttings, by planting pieces of stem. The roots of cassava are not used for making a new plantation, and thus all the harvest can be eaten or sold. To make cuttings, choose stems 2 to 4 centimetres thick, from the strongest plants which are not diseased and which have already produced tubers.