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Weedy Rice Conserved Ex Situ Characterized Using Morphological And Simple Sequence Repeat (Ssr) Markers, Rubylyn Mijan Infante, Maria Elizabeth B. Naredo, Merlyn S. Mendioro
Weedy Rice Conserved Ex Situ Characterized Using Morphological And Simple Sequence Repeat (Ssr) Markers, Rubylyn Mijan Infante, Maria Elizabeth B. Naredo, Merlyn S. Mendioro
The Philippine Agricultural Scientist
A clear understanding of genetic diversity in weedy rice is important in improving protocols for its conservation, ex situ. To this end, Asian collections of weedy rice together with accessions of the wild AA genome species Oryza nivara Sharma et Shastry and Oryza rufipogon Griffith, and the cultivated species, Oryza sativa L. were characterized using 16 qualitative morphological traits and 18 SSR markers. The Shannon-Weaver index (H’) revealed higher diversity in the weedy (mean H’ = 0.76) and wild O. nivara (mean H’ = 0.79) and O. rufipogon samples (mean H’ = 0.69) compared to the cultivated …