Manihot Esculenta Crantz
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
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
Development of a cassava core collection based on single nucleotide polymorphism markers
Authors: E.J. Oliveira, C.F. Ferreira, V.S. Santos and G.A.F. Oliveira
Single nucleotide polymorphism (SNP) markers were used in the largest cassava (Manihot esculenta Crantz) germplasm collection from Brazil to develop core collections based on the maximization strategy. Subsets with 61, 64, 84, 128, 256, and 384 cassava accessions were selected and named PoHEU, MST64, PoRAN, MST128, MS.. Read More»
- Genet. Mol. Res. 13(3):
- 2014.August.25.11
- DOI:
- 10.4238/2014.August.25.11
Genetic parameters and prediction of genotypic values for root quality traits in cassava using REML/BLUP
Authors: E.J. Oliveira, F.A. Santana, L.A. Oliveira and V.S. Santos
The aim of this study was to estimate the genetic parameters and predict the genotypic values of root quality traits in cassava (Manihot esculenta Crantz) using restricted maximum likelihood (REML) and best linear unbiased prediction (BLUP). A total of 471 cassava accessions were evaluated over two years of cultivatio.. Read More»
- Genet. Mol. Res. 13(3):
- 2014.August.28.13
- DOI:
- 10.4238/2014.August.28.13
Polymorphism of starch pathway genes in cassava
Authors: L.M. Vasconcelos, A.C. Brito, C.D. Carmo and E.J. Oliveira
The distribution and frequency of single nucleotide polymorphisms (SNPs) can help to understand changes associated with characteristics of interest. We aimed to evaluate nucleotide diversity in six genes involved in starch biosynthesis in cassava using a panel of 96 unrelated accessions. The genes were sequenced, aligned, and .. Read More»
- Genet. Mol. Res. 15(4):
- gmr15049082
- DOI:
- 10.4238/gmr15049082
Variation in cassava germplasm for tolerance to post-harvest physiological deterioration
Authors: M.T. Venturini, L.R. Santos, C.I.A. Vildoso, V.S. Santos and E.J. Oliveira
Tolerant varieties can effectively control post-harvest physiological deterioration (PPD) of cassava, although knowledge on the genetic variability and inheritance of this trait is needed. The objective of this study was to estimate genetic parameters and identify sources of tolerance to PPD and their stability in cassava acce.. Read More»
- Genet. Mol. Res. 15(2):
- gmr.15027818
- DOI:
- 10.4238/gmr.15027818
Inducing autotetraploids in cassava using oryzalin and colchicine and their in vitro morphophysiological effects
Authors: M. de J. da S. de Carvalho, V.B. Gomes, A. da S. Souza, F.F. Aud, J.A. Santos-Serejo and E.J. Oliveira
Polyploid induction has been used for plant breeding to produce bigger and more robust plants than diploid types. The present study aimed to develop a methodology for in vitro induction of polyploidy in cassava. Apical and lateral microcuttings from the BRS Formosa variety were treated with six oryzalin concentrations for 24 and 48 h. The same methodology.. Read More»
- Genet. Mol. Res. 15(2):
- gmr.15028281
- DOI:
- 10.4238/gmr.15028281