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da Silva, Karina Nascimento; Vieira, Eduardo Alano; de Freitas Fialho, Josefino; Carvalho, Luiz Joaquim Castelo Branco; Silva, Marilia Santos
Ciência rural, 08/2014, Letnik: 44, Številka: 8Journal Article
The sweet cassava breeding programs are focused on the selection of varieties containing carotenoids within the storage roots. The research was conducted with the objective to evaluate the agronomic potential and the carotenoid contents within the storage roots of cassava accessions with cream, yellow and pinkish color root pulp aiming their potential direct adoption by producers and/or their use as parents for breeding programs. Thirteen cassava accessions were evaluated in an experiment held at Embrapa Cerrados, for two crop seasons, considering the following characters: height of the first ramification, height of the plant, mass of plant canopy, root productivity, starch percentage within roots, bacterial blast severity, carotenoid contents in roots, root cooking time in minutes and cyanidric acid contents within roots. The results demonstrated existence of significant differences among the accessions for height of the first ramification, height of the plant, mass of plant canopy, root productivity, starch percentage within roots, bacterial blast severity and carotenoid contents within roots. Moreover, it was observed significant variations among crop seasons and significant interaction between the crop seasons and accessions for all the characters evaluated, except for bacterial blast severity and carotenoid contents within roots. No accession presented agronomic performance that would justify commercial cultivation within the Cerrado region of Central Brazil. There were accessions identified with potential for use as parents in plant breeding aiming the increment of P-carotene BGMC 1221, BGMC BGMC 1223 and BGMC 1224 and lycopene BGMC 1222 and BGMC 1229 contents in storage roots.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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