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Université de Fribourg

Potential for endozoochorous seed dispersal by sheep and goats : Risk of weed seed transport via animal faeces

Oveisi, Mostafa ; Ojaghi, Ahmad ; Rahimian Mashhadi, Hamid ; Müller‐Schärer, Heinz ; Reza Yazdi, Kamran ; Pourmorad Kaleibar, Behnaz ; Soltani, Elias

In: Weed Research, 2021, vol. 61, no. 1, p. 1-12

Endozoochory is known as an important mechanism for the spread of weeds. We carried out experiments to assess the fate of seeds of several weed species (Convolvulus arvensis, Cuscuta campestris, Rumex crispus, Hordeum spontaneum and Sorghum halepense) after passing through the gut of sheep and goat. Eighteen animals of both sheep and goat received diet mixed with seeds of the weed species or ...

Université de Fribourg

Desiccation, dormancy, and storage of Pterocarya fraxinifolia (Juglandaceae) seeds: application in Hyrcanian and Colchian forest conservation

Wawrzyniak, Mikołaj Krzysztof ; Jasińska, Anna Katarzyna ; Chmielarz, Paweł ; Kozlowski, Gregor

In: Canadian Journal of Forest Research, 2019, vol. 50, no. 1, p. 24–31

Pterocarya fraxinifolia (Poir.) Spach (Juglandaceae) is a model relict tree species native to South Caucasus and is a typical element of threatened riparian forests. Intensive land transformations, which are common in Transcaucasia, have resulted in loss of natural habitat and population decline of the species. One of the methods of ex situ conservation is seed banking. Cryopreservation in...