Evaluation of mass selection for grain yield and estimation of genetic variability in three selected maize (Zea mays L.) populations

Ngandu-Nyindu, Mulamba

doi:10.31274/rtd-180813-4630

Cited by 2 publications

(2 citation statements)

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“…This once again reflects the fact that selection has moderately or even slightly improved the accessions growth in height and in length. This study, therefore, confirms that mass selection is not very effective on these traits (Abreu et al, 2010;Ngandu-Nyindu, 1981). On agro-phenological traits, some derivative accessions (AS2-1, AS7-1, AS19-1-1, AS2-1-1, AS2-2, AS3-1, AS10-1 and AS15-1) showed that heading or maturation cycles have been shortened by 10%-30% compared to their original ones.…”

Section: Ta B L E 6 (Continued)supporting

confidence: 81%

“…The grains colour has been widely considered as a key criterion for the varietal distinction of fonio (Adoukonou-Sagbadja et al, 2006;Dansi et al, 2010;Sekloka et al, 2015). This shows once again the fact that mass selection is more effective on major visual traits (Abreu et al, 2010;Ngandu-Nyindu, 1981), as they are generally known as more heritable traits (Acquaah, 2007). At last, almost all of sorted genotypes for multi-environment trials exhibited intra-varietal homogeneity rates greater than 97%.…”

Section: Ta B L E 6 (Continued)mentioning

confidence: 99%

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Mass selection of fonio landraces (Digitaria exilis) grown in Benin: Pathway, homogeneity assessment and genotypes screening

et al. 2020

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Fonio, one of the neglected and underutilized food species in West Africa, is a cereal of great importance to people due to its medicinal and taste qualities (Cruz et al., 2011). It plays a crucial role in the fight against food insecurity for many people, especially during lean season when early varieties enable to control famine (Dramé & Cruz, 2002; Sekloka et al., 2016). In Benin, unlike other cereals such as maize, sorghum, pearl millet and rice grown worldwide, fonio appears to be essentially local crop even endemic to the NorthWest of Benin, in particular Atacora (Dansi et al., 2010; Sekloka et al., 2016). Fonio presents socio-cultural importance, particularly for the Otammari people, in the municipality of Boukombé, the main cropping area, which alone provides 74% of national production (Dramé & Cruz, 2002; Paraïso et al., 2016). Despite its various uses, fonio has remained long neglected in national research programmes. Very little work is available on varietal breeding of this crop (Abdul & Jideani, 2019; Animasaun et al., 2018). In most parts of West Africa where this cereal is grown, there is no formal system for variety selection, production and

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Section: Ta B L E 6 (Continued)supporting

confidence: 81%