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Willows (Salix) and poplars (Populus) are known worldwide as woody species with diverse uses [1, 2]. Although these two genera diverged from each other around the early Eocene [3], they share numerous traits, including the same chromosome number of 2n = 38 and the common 'Salicoid' genome duplication with a high macrosynteny [4, 5]. However, most willow(More)
Polyploid breeding is an important means for creating elite varieties for the development of poplar plantations. However, polyploid poplars are rare in natural stands. In this study, we established an analytical toolkit to perform marker-aided selection of polyploid poplars. This toolkit contains 12 SSR primer pairs with sites located in the exonic DNA(More)
Epidemic outbreaks of rust disease have been observed in most of the black cottonwood (Populus trichocarpa) plantations in the south of China in recent years. However, the exact pathogens that cause rust disease in this area remain largely unknown. In this study we collected rust fungi from black cottonwood plantations at four different places in the south(More)
The uredinial stage in the life cycle of Melampsora larici-populina on poplar leaves is the most important pathogenic phase. We captured partial phases of uredinial infection in the wild, aiming to reconstruct the process of uredinial ontogeny by using scanning and transmission electron microscope. At the initial infection stage, germ tubes germinated from(More)
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