December 2009
Efficiency of cassava brown streak virus transmission by two whitefly species in coastal Kenya
The efficiency of cassava brown streak virus (CBSV) transmission by Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) and spiraling whitefly (Aleurodicus dispersus) Russell (Hom, Aleyrodidae) was determined. The transmission utilized field collected adult whitefly populations fed on (allowed 48 h acquisition access feeding period (AAP)) on CBSD (cassava brown streak virus disease) symptomatic leaves before...
December 2009
First report of symptoms associated to a phytoplasma affecting Nopal (Opuntia ficusindica Mill) in the “Pyramids†Indian, State of Mexico
An unknown symptomatology, including yellowing in old plantations, colorless of cladode epidermis, cladode deforming and curly, were observed on the Indian Fig (prickly pear cactus) (Opuntia ficus-indica Mill) in the “Pyramids” Indian area located in the northeastern State of Mexico. The samples collected were analyzed through a nested-PCR reaction. The symptoms found, were all attributed to the...
