Manihot Esculenta
Genetic diversity as tool to identify standard leaf nutrients in cassava genotypes
Authors: JAD Giles, WP Rodrigues, G Oliosi, FL Partelli, HD Vieira and Vanderlei da Silva Santos
Among the factors affecting cassava yield, the leaf nutrients content has received little attention since cassava genotypes may grow well under inappropriate nutrient supply, however showing inadequate nutritional quality of tuberous roots. Considering this aspect, the genetic diversity should be explored in order to determine.. Read More»
- Genet. Mol. Res. 17(1):
- gmr16039862
- DOI:
- 10.4238/gmr16039862
Periclinal chimera technique: new plant breeding approach
Authors: P.M. Gakpetor, H. Mohammed, D. Moreti and N.M.A. Nassar
Plant interspecific periclinal chimeras are a mosaic formed by tissues from two species. They are manipulated here as an efficient plant breeding tool for cassava root yields. In this study, plants synthesized from two chimeras, designated as chimera 2 and chimera 4, were characterized morphologically and cytologically to unra.. Read More»
- Genet. Mol. Res. 16(3):
- gmr16039790
- DOI:
- 10.4238/gmr16039790
Morphological diversity of cassava accessions of the south-central mesoregion of the State of Mato Grosso, Brazil
Authors: B.W. Zago, M.A.A. Barelli, E.S.S. Hoogerheide, C.L. Corr?ªa,G.I.S. Delforno and C.J. da Silva
Genetic variability of cassava (Manihot esculenta Crantz) in Brazil is wide, being this the result of natural and cultural selection during pre- and post-domestication of the species in different environments. Given the number of species of the genus found in the region (38 of a total of 98 species), the central region of Braz.. Read More»
- Genet. Mol. Res. 16(3):
- gmr16039725
- DOI:
- 10.4238/gmr16039725
Cleaning cassava genotypes infected with cassava frogskin disease via in vitro shoot tip culture
Authors: M.J.S. Carvalho, E.J. Oliveira, A.S. Souza, J.S. Pereira, M.S.A.S. Diamantino and S.A.S. Oliveira
This study aimed to develop a methodology for eliminating cassava frogskin disease (CFSD) from in vitro shoot tip culture by associating thermotherapy and tetracycline. Cuttings from different accessions (BGM0232, BGM0315, BGM0464, BGM584, BGM0841, and BGM1342), infected with CFSD according to visual inspection of the disease .. Read More»
- Genet. Mol. Res. 16(2):
- gmr16029556
- DOI:
- 10.4238/gmr16029556
Internal phloem in an interspecific hybrid of cassava, an indicator of breeding value for drought resistance
Authors: D. Graciano-Ribeiro, D.Y.C. Hashimoto, L.C. Nogueira, D. Teodoro, S.F. Miranda and N.M.A. Nassar
We examined the stem anatomy of Manihot esculenta Crantz and its hybrid with M. oligantha Pax. Cross-sections were stained with safranin-alcian blue. Manihot esculenta and its hybrid were found to have the same vascular structure in bicollateral bundles with internal phloem, which has been associated with drought resistance in.. Read More»
- Genet. Mol. Res. 8(3):
- vol8-3gmr629
- DOI:
- 10.4238/vol8-3gmr629
Selection of morphoagronomic descriptors for the characterization of accessions of cassava of the Eastern Brazilian Amazon
Authors: R.S. Silva, E.F. Moura, J.T. Farias-Neto, C.A.S. Ledo and J.E. Sampaio
The aim of this study was to select morphoagronomic descriptors to characterize cassava accessions representative of Eastern Brazilian Amazonia. It was characterized 262 accessions using 21 qualitative descriptors. The multiple-correspondence analysis (MCA) technique was applied using the criteria: contribution of the descript.. Read More»
- Genet. Mol. Res. 16(2):
- gmr16029595
- DOI:
- 10.4238/gmr16029595
Phenotypic diversity of starch granules in cassava germplasm
Authors: L.M. Vasconcelos, A.C. Brito, C.D. Carmo, P.H.G.A. Oliveira and E.J. Oliveira
Demand for the development of cassava varieties with different native starches has guided the search for these characteristics in the germplasm of Manihot esculenta Crantz. Therefore, the objective of this study was to estimate the genetic diversity of cassava accessions for root and starch granule characteristics to guide the.. Read More»
- Genet. Mol. Res. 16(2):
- gmr16029276
- DOI:
- 10.4238/gmr16029276
Classification of cassava genotypes based on qualitative and quantitative data
Authors: E.J. Oliveira, O.S. Oliveira Filho and V.S. Santos
We evaluated the genetic variation of cassava accessions based on qualitative (binomial and multicategorical) and quantitative traits (continuous). We characterized 95 accessions obtained from the Cassava Germplasm Bank of Embrapa Mandioca e Fruticultura; we evaluated these accessions for 13 continuous, 10 binary, and 25 multicategorical traits. First, we.. Read More»
- Genet. Mol. Res. 14(1):
- 2015.February.2.14
- DOI:
- 10.4238/2015.February.2.14
In vitro assessment of the genotoxic and cytotoxic effects of boiled juice (tucupi) from Manihot esculenta Crantz roots
Authors: L.A. Cunha, T.C. Mota, P.C.S. Cardoso, D.D.F.?. Alc?¢ntara,R.M.R. Burbano, A.C. Guimar?£es, A.S. Khayat, C.A.M. Rocha and M.O. Bahia
The population of Pará (a state in Brazil) has a very characteristic food culture, as a majority of the carbohydrates consumed are obtained from cassava (Manihot esculenta Crantz) derivatives. Tucupi is the boiled juice of cassava roots that plays a major role in the culinary footprint of Pará. Before boiling, th.. Read More»
- Genet. Mol. Res. 15(4):
- gmr.15048825
- DOI:
- 10.4238/gmr.15048825
Genetic diversity of root anatomy in wild and cultivated Manihot species
Authors: N.N. Bomfim, D. Graciano-Ribeiro and N.M.A. Nassar
An anatomical study of roots was conducted on two wild Manihot species, namely M. glaziovii and M. fortalezensis, and two cassava varieties, M. esculenta Crantz variety UnB 201 and M. esculenta variety UnB 122, to identify taxonomic differences in primary growth. Anatomical characters of cassava roots have been rarely investig.. Read More»
- Genet. Mol. Res. 10(2):