Abstract
The concentration of desirable minerals in vegetables could influence consumers’ preference for certain vegetable species especially in the recent times in South Africa where packaged vegetables are increasingly labelled with the details of their mineral constituents. The agronomic practices and the genotypes used by farmers could therefore influence the quality of their products. Six genotypes of Brassica oleracea var. acephala were cultivated in the Research and Experimental Farm of the University of Zululand, South Africa, to determine the influence of harvest age on the mineral dynamics of the vegetable types. The results of this study indicated that harvesting of B. oleracea fifteen weeks after transplanting could help to capture the highest levels of nutrient concentrations. Analysis of the comparative performance of the six genotypes tested in the study also suggests that genotype 2 showed superior performance in terms of nutrient accumulation. However, an improvement programme via hybridization of genotypes 2 and 3 could help increase the level of zinc to balance iron-to- zinc ratio in both genotypes. Intraspecific hybridization programme that aims to breed for zinc improvement on genotype 2 could also be of advantage in a situation where food based strategy is the main target to addressing iron and zinc deficiencies especially among financially challenged population groups. The current study is the first literature on the mineral dynamics among genotypes of B. oleracea var. acephala in northern KwaZulu-Natal, South Africa.
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Claims 4
Claim · model-written summary
Harvesting B. oleracea fifteen weeks after transplanting could capture the highest nutrient concentrations.
- Taxon
- Brassica oleracea var. acephala
Brassica oleracea var. viridise0 - Treatment
- fifteen weeks after transplantinge1
- Outcome
- nutrient concentrationse1
- Direction
- higheste1
- Qualifier
- could help to capturee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six genotypes of Brassica oleracea var. acephala were cultivated”
e1“harvesting of B. oleracea fifteen weeks after transplanting could help to capture the highest levels of nutrient concentrations”
Claim · model-written summary
Genotype 2 showed superior nutrient accumulation among the six genotypes tested.
- Taxon
- Brassica oleracea var. acephalaBrassica oleracea var. viridise0
- Material
- genotype 2e2
- Outcome
- nutrient accumulatione2
- Direction
- superiore2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six genotypes of Brassica oleracea var. acephala were cultivated”
e2“Analysis of the comparative performance of the six genotypes tested in the study also suggests that genotype 2 showed superior performance in terms of nutrient accumulation”
Claim · model-written summary
Hybridization of genotypes 2 and 3 could increase zinc level and balance the iron-to-zinc ratio in both genotypes.
- Taxon
- Brassica oleracea var. acephalaBrassica oleracea var. viridise0
- Material
- genotypes 2 and 3e3
- Treatment
- hybridizatione3
- Outcome
- level of zince3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six genotypes of Brassica oleracea var. acephala were cultivated”
e3“an improvement programme via hybridization of genotypes 2 and 3 could help increase the level of zinc to balance iron-to-zinc ratio in both genotypes”
Claim · model-written summary
Intraspecific hybridization aiming at zinc improvement in genotype 2 could be advantageous for a food-based strategy against iron and zinc deficiencies.
- Taxon
- Brassica oleracea var. acephalaBrassica oleracea var. viridise0
- Material
- genotype 2e4
- Treatment
- Intraspecific hybridization programmee4
- Outcome
- advantagee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six genotypes of Brassica oleracea var. acephala were cultivated”
e4“Intraspecific hybridization programme that aims to breed for zinc improvement on genotype 2 could also be of advantage”
The same questions in other papers
transplanting · nutrient: content · Brassica oleracea (wild cabbage)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.