Abstract
Zinc (Zn) deficiency in crops as well as in humans is still an important health issue, mainly in developing countries which is mostly due to poor dietary intake. This problem can be solved by the application of Zn to cereals known as bio fortification. Nanotechnology is one of the options to enhance the nutritional value of crops as some engineered nano-particles (NPs) could be used as a fertilizer. Zinc can be used in the form of zinc oxide (ZnO) NPs. The present study used the direct precipitation method to prepare ZnO NPs, characterized it by using dynamic light scattering (DLS), scanning electron microscopy (SEM) and fourier-transform infrared spectroscopy (FTIR) then evaluated the effect of Zinc nano-fertilizer on growth and yield of wheat (Triticum aestivum L.). The field experiment consists of seed treatment, foliar application and combination of seed treatment as well as foliar application of bulk Zn sources and Nano Zn source. Results showed that the seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppm at 21, 45 and 90 days after sowing proved to be significantly superior in enhancing the plant height, number of effective tillers per plant, spike length, test weight, grain and straw yields, grain and straw zinc content and uptake by grain and straw.
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Claims 4
Claim · model-written summary
ZnO nanoparticle seed plus three foliar sprays significantly enhanced wheat plant height, effective tillers and spike length compared with bulk zinc sources.
- Taxon
- wheat
Triticum aestivume2 - Treatment
- seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppme0
- Outcome
- plant height, number of effective tillers per plant, spike lengthe0
- Direction
- enhancinge0
- Comparator
- bulk Zn sourcese1
- Setting
- saline irrigationt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that the seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppm at 21, 45 and 90 days after sowing proved to be significantly superior in enhancing the plant height, number of effective tillers per plant, spike length, test weight, grain and straw yields, grain and straw zinc content and uptake by grain and straw”
e1“combination of seed treatment as well as foliar application of bulk Zn sources and Nano Zn source”
e2“evaluated the effect of Zinc nano-fertilizer on growth and yield of wheat (Triticum aestivum L.)”
t0“under Saline Irrigation Condition”
Claim · model-written summary
ZnO nanoparticle seed plus foliar treatment significantly enhanced wheat test weight and grain and straw yields compared with bulk zinc sources.
- Taxon
- wheatTriticum aestivume2
- Treatment
- seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppme0
- Outcome
- test weight, grain and straw yieldse0
- Direction
- enhancinge0
- Comparator
- bulk Zn sourcese1
- Setting
- saline irrigationt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that the seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppm at 21, 45 and 90 days after sowing proved to be significantly superior in enhancing the plant height, number of effective tillers per plant, spike length, test weight, grain and straw yields, grain and straw zinc content and uptake by grain and straw”
e1“combination of seed treatment as well as foliar application of bulk Zn sources and Nano Zn source”
e2“evaluated the effect of Zinc nano-fertilizer on growth and yield of wheat (Triticum aestivum L.)”
t0“under Saline Irrigation Condition”
Claim · model-written summary
ZnO nanoparticle seed plus foliar treatment significantly enhanced grain and straw zinc content compared with bulk zinc sources.
- Taxon
- wheatTriticum aestivume2
- Treatment
- seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppme0
- Outcome
- grain and straw zinc contente0
- Direction
- enhancinge0
- Comparator
- bulk Zn sourcese1
- Setting
- saline irrigationt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that the seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppm at 21, 45 and 90 days after sowing proved to be significantly superior in enhancing the plant height, number of effective tillers per plant, spike length, test weight, grain and straw yields, grain and straw zinc content and uptake by grain and straw”
e1“combination of seed treatment as well as foliar application of bulk Zn sources and Nano Zn source”
e2“evaluated the effect of Zinc nano-fertilizer on growth and yield of wheat (Triticum aestivum L.)”
t0“under Saline Irrigation Condition”
Claim · model-written summary
ZnO nanoparticle seed plus foliar treatment significantly enhanced zinc uptake by wheat grain and straw compared with bulk zinc sources.
- Taxon
- wheatTriticum aestivume2
- Treatment
- seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppme0
- Outcome
- uptake by grain and strawe0
- Direction
- enhancinge0
- Comparator
- bulk Zn sourcese1
- Setting
- saline irrigationt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that the seed treatment of ZnO NPs @1000 ppm followed by three foliar sprays of ZnO NPs @1000 ppm at 21, 45 and 90 days after sowing proved to be significantly superior in enhancing the plant height, number of effective tillers per plant, spike length, test weight, grain and straw yields, grain and straw zinc content and uptake by grain and straw”
e1“combination of seed treatment as well as foliar application of bulk Zn sources and Nano Zn source”
e2“evaluated the effect of Zinc nano-fertilizer on growth and yield of wheat (Triticum aestivum L.)”
t0“under Saline Irrigation Condition”
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See all 105 papers →8 of 12 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.