![]() The limited genetic diversity of the crop renders it more vulnerable to disease and insect epidemics, and jeopardizes the potential for sustained genetic improvement in the long term. Several authors have shown that the genetic base of cultivated tea is very narrow due to the recurrent use of same parents for the tea breeding programme over the years (Singh et al. Sri Lankan tea has very limited genetic diversity, as it is an introduced crop (Singh and Gunesekera 2000). Kuntze, is a national commodity of Sri Lanka, covering over 222 000 ha of the country and providing 12.8% of the export earnings of the country’s economy (Anon. ![]() Kuntze) genetic resources in Sri Lanka M.A.B. Publicado en el No.155, Pgina 41 a 45 - (22003) caracteresĪssembling a preliminary core collection of Tea ( Camellia sinensis (L.) O. Noticiario de Recursos Fitognticos - Assembling a preliminary core collection of Tea (Camellia sinensis (L.) O.
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