Factsheet: Understanding and Controlling Striga– Kenya’s cereal killer

Striga hermonthica or the Purple Witchweed is the single most important cause of poor maize yields, particularly in western Kenya, eliminating 60 to 100 per cent of cereal crops. This is because the parasitic plant germinates quickly, and is easily dispersed. Its seeds also withstand extreme conditions and lie dormant in the soil until a …

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