Abstract
Chronic micronutrient deficiencies, particularly Zn and Fe, also known as “hidden hunger”, is a major public health problem, affecting over two billion people worldwide particularly women and children in developing countries. Genetic and/or agronomic biofortification of cereal crops like wheat are considered as a reasonable solution to prevalent Zn deficiency problem in the human population of developing world. As an international group, HarvestPlus program along with collaboration of public and private partners has taken initiatives to develop the biofortified high Zn wheat cultivars along with desired agronomic traits. Current study aimed to evaluate the performance of the high Zn biofortified wheat genotypes developed through long-term breeding activities under the HarvestPlus program in Pakistan and India. Ten advanced breeding lines and two mega varieties as check were tested under four fertilizer treatments i) Deficient Soil Zn (or control) ii) Foliar Zn application iii) Soil Zn application iv) both soil and foliar Zn. The results indicate that biofortified lines have higher capacity to absorb and accumulate Zn in grain from soil and foliar Zn fertilizer as compared to check cultivars. A positive correlation was observed in grain yield and grain Zn concentration of biofortified lines. As an average of all biofortified genotypes, 18 % increase in yield and 3.5 folds increase in grain Zn concentration were recorded with the application of both soil and foliar fertilizers. Highest grain yield and grain Zn concentration was observed in an Indian biofortified genotype with both Soil + Foliar Zn application. In Zn-deficient calcareous soils of south Asian countries like Pakistan and India, integrated strategy of growing genetically biofortified wheat cultivars with an added application of Zn in soil and foliar form is the best strategy to improve yield and grain Zn accumulation, and hence to overcome the malnutrition problem.
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Claims 7
Claim · model-written summary
Biofortified wheat lines had greater capacity than check cultivars to absorb and accumulate grain Zn from soil and foliar fertilizer.
- Taxon
- wheat
Triticum aestivumt0 - Material
- biofortified linese0
- Outcome
- absorb and accumulate Zn in graine0
- Direction
- highere0
- Comparator
- check cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicate that biofortified lines have higher capacity to absorb and accumulate Zn in grain from soil and foliar Zn fertilizer as compared to check cultivars.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
Grain yield and grain Zn concentration were positively correlated in biofortified lines.
- Taxon
- wheatTriticum aestivumt0
- Material
- biofortified linese0
- Outcome
- grain yield and grain Zn concentratione0
- Direction
- positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A positive correlation was observed in grain yield and grain Zn concentration of biofortified lines.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
Combined soil and foliar fertilizers increased mean yield of biofortified genotypes by 18 %.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- both soil and foliar fertilizerse0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 18 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As an average of all biofortified genotypes, 18 % increase in yield and 3.5 folds increase in grain Zn concentration were recorded with the application of both soil and foliar fertilizers.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
Combined soil and foliar fertilizers increased mean grain Zn concentration of biofortified genotypes 3.5 folds.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- both soil and foliar fertilizerse0
- Outcome
- grain Zn concentratione0
- Direction
- increasee0
- Value
- 3.5 foldse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As an average of all biofortified genotypes, 18 % increase in yield and 3.5 folds increase in grain Zn concentration were recorded with the application of both soil and foliar fertilizers.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
An Indian biofortified genotype receiving soil and foliar Zn had the highest grain yield.
- Taxon
- wheatTriticum aestivumt0
- Material
- Indian biofortified genotypee0
- Treatment
- Soil + Foliar Zn applicatione0
- Outcome
- grain yielde0
- Direction
- Higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest grain yield and grain Zn concentration was observed in an Indian biofortified genotype with both Soil + Foliar Zn application.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
An Indian biofortified genotype receiving soil and foliar Zn had the highest grain Zn concentration.
- Taxon
- wheatTriticum aestivumt0
- Material
- Indian biofortified genotypee0
- Treatment
- Soil + Foliar Zn applicatione0
- Outcome
- grain Zn concentratione0
- Direction
- Higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest grain yield and grain Zn concentration was observed in an Indian biofortified genotype with both Soil + Foliar Zn application.”
t0“biofortified harvestplus wheat genotypes”
Claim · model-written summary
Growing biofortified wheat with soil and foliar Zn application is recommended to improve yield and grain Zn accumulation in Zn-deficient calcareous South Asian soils.
- Taxon
- wheatTriticum aestivume0
- Outcome
- integrated strategy of growing genetically biofortified wheat cultivars with an added application of Zn in soil and foliar forme0
- Setting
- Zn-deficient calcareous soils of south Asian countries like Pakistan and Indiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Zn-deficient calcareous soils of south Asian countries like Pakistan and India, integrated strategy of growing genetically biofortified wheat cultivars with an added application of Zn in soil and foliar form is the best strategy to improve yield and grain Zn accumulation, and hence to overcome the malnutrition problem.”
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