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Title: Overcoming crossing barriers between cassava, Manihot esculenta Crantz and a wild relative, M. pohlii Warwa
Authors: Nassar, Nagib M.A.
Carvalho, Claudio G.
Vieira, Clibas
Assunto:: overcoming crossing barriers
Manihot esculenta Crantz
wild relative
M. pohlii Warwa
Issue Date: 1996
Publisher: Sociedade Brasileira de Genética
Citation: Braz. J. Genet.,v.19,n.4,p.617-620,1996
Abstract: The use of mentor pollen has enabled successful hybridization between cassava, Manihot esculenta Crantz, and the wild species M. pohlii Warwa. Killed pollen of a cross compatible type produced by freeze-thawing was mixed with incompatible pollen and the mixes were dusted on stigmas. This treatment resulted in production of seed in 4.9% of the total pollinations, compared to 0% in the case of untreated pollinations. The use of a bridge species, M. neusana Nassar, through the hybrid M. pohlii and M. neusana also proved successful in overcoming interspecific barriers between cassava and M. pohlii.
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